feat: ble uart feature

2. dev mode commands (except those already available to users) start with 3xxxFFFF

.gitignore

@@ -2,3 +2,5 @@
 /.visualgdb/
 /VisualGDB/
 *.vgdbsettings.*.user
+*.zip
+/build/

FreeRTOSConfig.h

@@ -26,7 +26,6 @@
  * 1 tab == 4 spaces!
  */
 
-
 #ifndef FREERTOS_CONFIG_H
 #define FREERTOS_CONFIG_H
 
@@ -38,8 +37,8 @@
 /*-----------------------------------------------------------
  * Possible configurations for system timer
  */
-#define FREERTOS_USE_RTC      0 /**< Use real time clock for the system */
-#define FREERTOS_USE_SYSTICK  1 /**< Use SysTick timer for system */
+#define FREERTOS_USE_RTC                        0 /**< Use real time clock for the system */
+#define FREERTOS_USE_SYSTICK                    1 /**< Use SysTick timer for system */
 
 /*-----------------------------------------------------------
  * Application specific definitions.
@@ -53,155 +52,152 @@
  * See http://www.freertos.org/a00110.html.
  *----------------------------------------------------------*/
 
-#define configTICK_SOURCE                                                         FREERTOS_USE_RTC
+#define configTICK_SOURCE                       FREERTOS_USE_RTC
 
-#define configUSE_PREEMPTION                                                      1
-#define configUSE_PORT_OPTIMISED_TASK_SELECTION                                   0
-#define configUSE_TICKLESS_IDLE                                                   0
-#define configUSE_TICKLESS_IDLE_SIMPLE_DEBUG                                      1 /* See into vPortSuppressTicksAndSleep source code for explanation */
-#define configCPU_CLOCK_HZ                                                        ( SystemCoreClock )
-#define configTICK_RATE_HZ                                                        1024
-#define configMAX_PRIORITIES                                                      ( 5 )
-#define configMINIMAL_STACK_SIZE                                                  ( 160 )
-#define configTOTAL_HEAP_SIZE                                                     ( 8192 )
-#define configMAX_TASK_NAME_LEN                                                   ( 12 )
-#define configUSE_16_BIT_TICKS                                                    0
-#define configIDLE_SHOULD_YIELD                                                   1
-#define configUSE_MUTEXES                                                         1
-#define configUSE_RECURSIVE_MUTEXES                                               1
-#define configUSE_COUNTING_SEMAPHORES                                             1
-#define configUSE_ALTERNATIVE_API                                                 0    /* Deprecated! */
-#define configQUEUE_REGISTRY_SIZE                                                 2
-#define configUSE_QUEUE_SETS                                                      0
-#define configUSE_TIME_SLICING                                                    0
-#define configUSE_NEWLIB_REENTRANT                                                0
-#define configENABLE_BACKWARD_COMPATIBILITY                                       1
+#define configUSE_PREEMPTION                    1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
+#define configUSE_TICKLESS_IDLE                 0
+#define configUSE_TICKLESS_IDLE_SIMPLE_DEBUG    1 /* See into vPortSuppressTicksAndSleep source code for explanation */
+#define configCPU_CLOCK_HZ                      (SystemCoreClock)
+#define configTICK_RATE_HZ                      1024
+#define configMAX_PRIORITIES                    (6)
+#define configMINIMAL_STACK_SIZE                (192)
+#define configTOTAL_HEAP_SIZE                   (48 * 1024)
+#define configMAX_TASK_NAME_LEN                 (16)
+#define configUSE_16_BIT_TICKS                  0
+#define configIDLE_SHOULD_YIELD                 1
+#define configUSE_MUTEXES                       1
+#define configUSE_RECURSIVE_MUTEXES             0
+#define configUSE_COUNTING_SEMAPHORES           0
+#define configUSE_ALTERNATIVE_API               0 /* Deprecated! */
+#define configQUEUE_REGISTRY_SIZE               2
+#define configUSE_QUEUE_SETS                    0
+#define configUSE_TIME_SLICING                  0
+#define configUSE_NEWLIB_REENTRANT              1
+#define configENABLE_BACKWARD_COMPATIBILITY     1
 
 /* Hook function related definitions. */
-#define configUSE_IDLE_HOOK                                                       0
-#define configUSE_TICK_HOOK                                                       0
-#define configCHECK_FOR_STACK_OVERFLOW                                            0
-#define configUSE_MALLOC_FAILED_HOOK                                              0
+#define configUSE_IDLE_HOOK                     0
+#define configUSE_TICK_HOOK                     0
+#define configCHECK_FOR_STACK_OVERFLOW          0
+#define configUSE_MALLOC_FAILED_HOOK            0
 
 /* Run time and task stats gathering related definitions. */
-#define configGENERATE_RUN_TIME_STATS                                             0
-#define configUSE_TRACE_FACILITY                                                  0
-#define configUSE_STATS_FORMATTING_FUNCTIONS                                      0
+#define configGENERATE_RUN_TIME_STATS           0
+#define configUSE_TRACE_FACILITY                0
+#define configUSE_STATS_FORMATTING_FUNCTIONS    0
 
 /* Co-routine definitions. */
-#define configUSE_CO_ROUTINES                                                     0
-#define configMAX_CO_ROUTINE_PRIORITIES                                           ( 2 )
+#define configUSE_CO_ROUTINES                   0
+#define configMAX_CO_ROUTINE_PRIORITIES         (2)
 
 /* Software timer definitions. */
-#define configUSE_TIMERS                                                          1
-#define configTIMER_TASK_PRIORITY                                                 ( 2 )
-#define configTIMER_QUEUE_LENGTH                                                  32
-#define configTIMER_TASK_STACK_DEPTH                                              ( 80 )
+#define configUSE_TIMERS                        1
+#define configTIMER_TASK_PRIORITY               (2)
+#define configTIMER_QUEUE_LENGTH                32
+#define configTIMER_TASK_STACK_DEPTH            (80)
 
 /* Tickless Idle configuration. */
-#define configEXPECTED_IDLE_TIME_BEFORE_SLEEP                                     2
+#define configEXPECTED_IDLE_TIME_BEFORE_SLEEP   2
 
 /* Tickless idle/low power functionality. */
 
-
 /* Define to trap errors during development. */
 #if defined(DEBUG_NRF) || defined(DEBUG_NRF_USER)
-#define configASSERT( x )                                                         ASSERT(x)
+#define configASSERT(x) ASSERT(x)
 #endif
 
 /* FreeRTOS MPU specific definitions. */
-#define configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS                    1
+#define configINCLUDE_APPLICATION_DEFINED_PRIVILEGED_FUNCTIONS 1
 
 /* Optional functions - most linkers will remove unused functions anyway. */
-#define INCLUDE_vTaskPrioritySet                                                  1
-#define INCLUDE_uxTaskPriorityGet                                                 1
-#define INCLUDE_vTaskDelete                                                       1
-#define INCLUDE_vTaskSuspend                                                      1
-#define INCLUDE_xResumeFromISR                                                    1
-#define INCLUDE_vTaskDelayUntil                                                   1
-#define INCLUDE_vTaskDelay                                                        1
-#define INCLUDE_xTaskGetSchedulerState                                            1
-#define INCLUDE_xTaskGetCurrentTaskHandle                                         1
-#define INCLUDE_uxTaskGetStackHighWaterMark                                       1
-#define INCLUDE_xTaskGetIdleTaskHandle                                            1
-#define INCLUDE_xTimerGetTimerDaemonTaskHandle                                    1
-#define INCLUDE_pcTaskGetTaskName                                                 1
-#define INCLUDE_eTaskGetState                                                     1
-#define INCLUDE_xEventGroupSetBitFromISR                                          1
-#define INCLUDE_xTimerPendFunctionCall                                            1
+#define INCLUDE_vTaskPrioritySet                               0
+#define INCLUDE_uxTaskPriorityGet                              0
+#define INCLUDE_vTaskDelete                                    1
+#define INCLUDE_vTaskSuspend                                   1
+#define INCLUDE_xResumeFromISR                                 0
+#define INCLUDE_vTaskDelayUntil                                1
+#define INCLUDE_vTaskDelay                                     1
+#define INCLUDE_xTaskGetSchedulerState                         1
+#define INCLUDE_xTaskGetCurrentTaskHandle                      0
+#define INCLUDE_uxTaskGetStackHighWaterMark                    0
+#define INCLUDE_xTaskGetIdleTaskHandle                         0
+#define INCLUDE_xTimerGetTimerDaemonTaskHandle                 0
+#define INCLUDE_pcTaskGetTaskName                              0
+#define INCLUDE_eTaskGetState                                  0
+#define INCLUDE_xEventGroupSetBitFromISR                       1
+#define INCLUDE_xTimerPendFunctionCall                         0
 
 /* The lowest interrupt priority that can be used in a call to a "set priority"
 function. */
-#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY         0xf
+#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY                0xf
 
 /* The highest interrupt priority that can be used by any interrupt service
 routine that makes calls to interrupt safe FreeRTOS API functions.  DO NOT CALL
 INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
 PRIORITY THAN THIS! (higher priorities are lower numeric values. */
-#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY    _PRIO_APP_HIGH
-
+#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY           _PRIO_APP_HIGH
 
 /* Interrupt priorities used by the kernel port layer itself.  These are generic
 to all Cortex-M ports, and do not rely on any particular library functions. */
-#define configKERNEL_INTERRUPT_PRIORITY                 configLIBRARY_LOWEST_INTERRUPT_PRIORITY
+#define configKERNEL_INTERRUPT_PRIORITY                        configLIBRARY_LOWEST_INTERRUPT_PRIORITY
 /* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
 See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
-#define configMAX_SYSCALL_INTERRUPT_PRIORITY            configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY                   configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY
 
 /* Definitions that map the FreeRTOS port interrupt handlers to their CMSIS
 standard names - or at least those used in the unmodified vector table. */
 
-#define vPortSVCHandler                                                           SVC_Handler
-#define xPortPendSVHandler                                                        PendSV_Handler
-
+#define vPortSVCHandler                                        SVC_Handler
+#define xPortPendSVHandler                                     PendSV_Handler
 
 /*-----------------------------------------------------------
  * Settings that are generated automatically
  * basing on the settings above
  */
 #if (configTICK_SOURCE == FREERTOS_USE_SYSTICK)
-    // do not define configSYSTICK_CLOCK_HZ for SysTick to be configured automatically
-    // to CPU clock source
-    #define xPortSysTickHandler     SysTick_Handler
+// do not define configSYSTICK_CLOCK_HZ for SysTick to be configured automatically
+// to CPU clock source
+#define xPortSysTickHandler SysTick_Handler
 #elif (configTICK_SOURCE == FREERTOS_USE_RTC)
-    #define configSYSTICK_CLOCK_HZ  ( 32768UL )
-    #define xPortSysTickHandler     RTC1_IRQHandler
+#define configSYSTICK_CLOCK_HZ (32768UL)
+#define xPortSysTickHandler    RTC1_IRQHandler
 #else
-    #error  Unsupported configTICK_SOURCE value
+#error Unsupported configTICK_SOURCE value
 #endif
 
 /* Code below should be only used by the compiler, and not the assembler. */
 #if !(defined(__ASSEMBLY__) || defined(__ASSEMBLER__))
-    #include "nrf.h"
-    #include "nrf_assert.h"
+#include "nrf.h"
+#include "nrf_assert.h"
 
-    /* This part of definitions may be problematic in assembly - it uses definitions from files that are not assembly compatible. */
-    /* Cortex-M specific definitions. */
-    #ifdef __NVIC_PRIO_BITS
-        /* __BVIC_PRIO_BITS will be specified when CMSIS is being used. */
-        #define configPRIO_BITS             __NVIC_PRIO_BITS
-    #else
-        #error "This port requires __NVIC_PRIO_BITS to be defined"
-    #endif
+/* This part of definitions may be problematic in assembly - it uses definitions from files that are not assembly compatible. */
+/* Cortex-M specific definitions. */
+#ifdef __NVIC_PRIO_BITS
+/* __BVIC_PRIO_BITS will be specified when CMSIS is being used. */
+#define configPRIO_BITS __NVIC_PRIO_BITS
+#else
+#error "This port requires __NVIC_PRIO_BITS to be defined"
+#endif
 
-    /* Access to current system core clock is required only if we are ticking the system by systimer */
-    #if (configTICK_SOURCE == FREERTOS_USE_SYSTICK)
-        #include <stdint.h>
-        extern uint32_t SystemCoreClock;
-    #endif
+/* Access to current system core clock is required only if we are ticking the system by systimer */
+#if (configTICK_SOURCE == FREERTOS_USE_SYSTICK)
+#include <stdint.h>
+extern uint32_t SystemCoreClock;
+#endif
 #endif /* !assembler */
 
 /** Implementation note:  Use this with caution and set this to 1 ONLY for debugging
  * ----------------------------------------------------------
-     * Set the value of configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG to below for enabling or disabling RTOS tick auto correction:
-     * 0. This is default. If the RTC tick interrupt is masked for more than 1 tick by higher priority interrupts, then most likely
-     *    one or more RTC ticks are lost. The tick interrupt inside RTOS will detect this and make a correction needed. This is needed
-     *    for the RTOS internal timers to be more accurate.
-     * 1. The auto correction for RTOS tick is disabled even though few RTC tick interrupts were lost. This feature is desirable when debugging
-     *    the RTOS application and stepping though the code. After stepping when the application is continued in debug mode, the auto-corrections of
-     *    RTOS tick might cause asserts. Setting configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG to 1 will make RTC and RTOS go out of sync but could be
-     *    convenient for debugging.
-     */
-#define configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG     0
+ * Set the value of configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG to below for enabling or disabling RTOS tick auto correction:
+ * 0. This is default. If the RTC tick interrupt is masked for more than 1 tick by higher priority interrupts, then most likely
+ *    one or more RTC ticks are lost. The tick interrupt inside RTOS will detect this and make a correction needed. This is needed
+ *    for the RTOS internal timers to be more accurate.
+ * 1. The auto correction for RTOS tick is disabled even though few RTC tick interrupts were lost. This feature is desirable when debugging
+ *    the RTOS application and stepping though the code. After stepping when the application is continued in debug mode, the auto-corrections of
+ *    RTOS tick might cause asserts. Setting configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG to 1 will make RTC and RTOS go out of sync but could be
+ *    convenient for debugging.
+ */
+#define configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG 0
 
 #endif /* FREERTOS_CONFIG_H */

adc_drv.c

@@ -0,0 +1,95 @@
+#include "adc_drv.h"
+
+#if (DEF_ADS8691_ENABLED)
+#include "ads8691.h"
+extern const adc_drv_if_t ads8691;
+static const adc_drv_if_t *p_inst = &ads8691;
+#else
+#include "builtin_saadc.h"
+static const adc_drv_if_t *p_inst = &builtin_saadc;
+#endif
+
+#if (DEF_ADC_DRV_ENABLED)
+
+int adc_init(void)
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->init();
+}
+
+int adc_reset(void)
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->reset();
+}
+
+int adc_gain(adc_gain_t gain)
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->gain(gain);
+}
+
+int adc_read(uint32_t channel, int32_t *adc_val)
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->read(channel, adc_val);
+}
+
+int adc_read_mutiple_channels(uint32_t *p_channel, int32_t *p_adc_val, uint32_t cnt)
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->read_multiple_channels(p_channel, p_adc_val, cnt);
+}
+
+int adc_read_mutiple_channels_ex(uint32_t *p_channel, int32_t *p_adc_val, uint32_t cnt, void (*preliminary_action)(void))
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->read_multiple_channels_ex(p_channel, p_adc_val, cnt, preliminary_action);
+}
+
+int adc_read_multiple_milivolt_ex(uint32_t *p_channel, float *p_val, uint32_t cnt, void (*preliminary_action)(void))
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->read_multiple_milivolt_ex(p_channel, p_val, cnt, preliminary_action);
+}
+
+int adc_read_milivolt(uint32_t channel, float *mv)
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->read_milivolt(channel, mv);
+}
+
+int adc_read_mutiple_channels_convert_milivolt(int32_t *p_val_14bit, float *p_val_f, uint32_t count)
+{
+    if (p_inst == NULL)
+    {
+        return ADC_DRV_ERROR;
+    }
+    return p_inst->adc_convert_multiple_milivolt(p_val_14bit, p_val_f, count);
+}
+
+#endif /* ! DEF_ADC_DRV_ENABLED */

adc_drv.h

@@ -0,0 +1,49 @@
+#ifndef __ADC_DRV_H__
+#define __ADC_DRV_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "adc_drv_if.h"
+
+#define ADC_DRV_ERROR   (-1)
+#define ADC_DRV_SUCCESS (0)
+
+#define AIN0            0
+#define AIN1            1
+#define AIN2            2
+#define AIN3            3
+#define AIN4            4
+#define AIN5            5
+#define AIN6            6
+#define AIN7            7
+
+#if (DEF_ADC_DRV_ENABLED)
+int adc_init(void);
+int adc_reset(void);
+int adc_gain(adc_gain_t gain);
+int adc_read(uint32_t channel, int32_t *adc_val);
+int adc_read_milivolt(uint32_t channel, float *mv);
+int adc_read_mutiple_channels(uint32_t *p_channel, int32_t *p_adc_val, uint32_t cnt);
+int adc_read_mutiple_channels_ex(uint32_t *p_channel, int32_t *p_adc_val, uint32_t cnt, void (*preliminary_action)(void));
+int adc_read_multiple_milivolt_ex(uint32_t *p_channel, float *p_val, uint32_t cnt, void (*preliminary_action)(void));
+int adc_read_mutiple_channels_convert_milivolt(int32_t *p_val_14bit, float *p_val_f, uint32_t count);
+#else
+#define adc_init()
+#define adc_reset()
+#define adc_gain(x)
+#define adc_read(x, y)
+#define adc_read_milivolt(x, y)
+#define adc_read_mutiple_channels(x, y, z)
+#define adc_read_mutiple_channels_ex(x, y, z, a)
+#define adc_read_multiple_milivolt_ex(x, y, z, a)
+#define adc_read_mutiple_channels_convert_milivolt(x, y, z)
+#endif /* ! DEF_ADC_DRV_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ADC_DRV_H__ */

adc_drv_if.h

@@ -0,0 +1,48 @@
+#ifndef __ADC_DRV_IF_H__
+#define __ADC_DRV_IF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#define ADC0 (0x01 << 0)
+#define ADC1 (0x01 << 1)
+#define ADC2 (0x01 << 2)
+#define ADC3 (0x01 << 3)
+
+typedef enum
+{
+    GAIN_0P625,
+    GAIN_1P000,
+    GAIN_1P200,
+    GAIN_1P250,
+    GAIN_1P500,
+    GAIN_2P000,
+    GAIN_2P500,
+    GAIN_3P000,
+    GAIN_6P000,
+    GAIN_12P000,
+    GAIN_24P000,
+} adc_gain_t;
+
+typedef struct
+{
+    int (*init)(void);
+    int (*reset)(void);
+    int (*read)(uint32_t channel, int32_t *adc_val);
+    int (*read_milivolt)(uint32_t channel, float *p_val);
+    int (*read_multiple_milivolt_ex)(uint32_t *p_channels, float *p_val, uint32_t count, void (*preliminary_action));
+    int (*read_multiple_channels)(uint32_t *p_channels, int32_t *adc_val, uint32_t count);
+    int (*read_multiple_channels_ex)(uint32_t *p_channels, int32_t *adc_val, uint32_t count, void (*preliminary_action)(void));
+    int (*gain)(adc_gain_t gain);
+    int (*adc_convert_multiple_milivolt)(int32_t *p_val_14bit, float *p_val_f, uint32_t count);
+} adc_drv_if_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ADC_DRV_IF_H__ */

adgs1412.c

@@ -0,0 +1,71 @@
+#include "adgs1412.h"
+#include "elite_board.h"
+
+#include "nrf_delay.h"
+
+#if (DEF_ADGS1412_ENABLED)
+
+#define DAISY_CHAIN_MODE 0x2500
+
+static sw_t m_sw;
+
+static int adgs1412_reset(void)
+{
+    // the datasheet lacks clarity, RST_SW_PIN needs to be delayed after the motion signal
+    nrf_gpio_pin_clear(RST_SW_PIN);
+    nrf_delay_ms(1);
+    nrf_gpio_pin_set(RST_SW_PIN);
+    nrf_delay_ms(1);
+    return 0;
+}
+
+static int adgs1412_write(sw_t sw_mask)
+{
+    uint8_t cmd[ASGS1412_COUNT];
+    uint64_t val = m_sw.val = sw_mask.val;
+    for (int i = 1; i <= ASGS1412_COUNT; i++)
+    {
+        cmd[sizeof(cmd) - i] = val & ((0x01 << SW_PER_BYTE) - 1);
+        val                  = val >> 4;
+    }
+    spim_xfer(CS_SW_PIN, NRF_SPIM_MODE_0, (uint8_t *)cmd, sizeof(cmd), NULL, 0);
+    return 0;
+}
+
+static int adgs1412_read(sw_t *p_sw_mask)
+{
+    *p_sw_mask = m_sw;
+    return 0;
+}
+
+static int adgs1412_get_sw_count(uint32_t *p_sw_cnt)
+{
+    *p_sw_cnt = SW_TOTAL_COUNT;
+    return 0;
+}
+
+static int adgs1412_init(void)
+{
+    /* reset */
+    adgs1412_reset();
+
+    /* enter daisy chain mode */
+    uint16_t cmd = __REV16(DAISY_CHAIN_MODE);
+    spim_xfer(CS_SW_PIN, NRF_SPIM_MODE_0, (uint8_t *)&cmd, sizeof(cmd), NULL, 0);
+
+    /* sw status initialize */
+    m_sw.val = 0;
+    adgs1412_write(m_sw);
+
+    return 0;
+}
+
+const sw_drv_if_t adgs1412 = {
+    .init         = adgs1412_init,
+    .reset        = adgs1412_reset,
+    .write        = adgs1412_write,
+    .read         = adgs1412_read,
+    .get_sw_count = adgs1412_get_sw_count,
+};
+
+#endif /* ! DEF_ADGS1412_ENABLED */

adgs1412.h

@@ -0,0 +1,30 @@
+#ifndef __ADGS1412_H__
+#define __ADGS1412_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "sw_drv_if.h"
+
+#if (DEF_ADGS1412_ENABLED)
+
+#define ASGS1412_COUNT  2
+#define SW_PER_ASGS1412 4
+#define SW_TOTAL_COUNT  (SW_PER_ASGS1412 * ASGS1412_COUNT)
+#define SW_PER_BYTE     SW_PER_ASGS1412
+
+#if (SW_TOTAL_COUNT > 64)
+#error "unsupport"
+#endif /* ! SW_TOTAL_COUNT */
+
+extern const sw_drv_if_t adgs1412;
+
+#endif /* ! DEF_ADGS1412_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ADGS1412_H__ */

ads8691.c

@@ -0,0 +1,336 @@
+#include "ads8691.h"
+#include "elite_board.h"
+
+#include "nrf_delay.h"
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+#include <string.h>
+
+#if (DEF_ADS8691_ENABLED)
+
+/*
+ * ADS8691
+ * Features:
+ *     -18-Bit ADC With Integrated Analog Front-End
+ *     -High Speed: 1 MSPS
+ *
+ * Spi data:
+ *      1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ *     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *     |    Input    |  9-bit address  |          16-bit data          |
+ *     |   Commands  |                 |                               |
+ *     +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *
+ *     -CMD [7bits]
+ *      0b11000xx CLEAR_HWORD
+ *      0b11001xx READ_HWORD
+ *      0b01001xx READ
+ *      0b1101000 WRITE (We used this CMD)
+ *      0b1101001 WRITE
+ *      0b1101010 WRITE
+ *      0b11011xx SET_HWORD
+ *
+ *     -Address [9bits]
+ *      00h DEVICE_ID_REG
+ *      04h RST_PWRCTL_REG
+ *      08h SDI_CTL_REG
+ *      0Ch SDO_CTL_REG
+ *      10h DATAOUT_CTL_REG
+ *      14h RANGE_SEL_REG
+ *      20h ALARM_REG
+ *      24h ALARM_H_TH_REG
+ *      28h ALARM_L_TH_REG
+ *
+ */
+
+#define ADS8691_CMD_NOP        0b0000000 // 7 bits
+#define ADS8691_CMD_CLR_HWORD  0b1100000
+#define ADS8691_CMD_READ_HWORD 0b1100100
+#define ADS8691_CMD_READ       0b0100100
+#define ADS8691_CMD_WRITE      0b1101000
+#define ADS8691_CMD_WRITE_MSB  0b1101001
+#define ADS8691_CMD_WRITE_LSB  0b1101010
+#define ADS8691_CMD_SET_HWORD  0b1101100
+
+#define DEVICE_ID_REG          0x0000
+#define RST_PWRCTL_REG         0x0004
+#define SDI_CTL_REG            0x0008
+#define DATAOUT_CTL_REG        0x0010
+#define RANGE_SEL_REG          0x0014
+#define ALARM_H_TH_REG         0x0024
+#define ALARM_L_TH_REG         0x0028
+
+#define ADS8691_SPI_MODE0      0b00
+#define ADS8691_SPI_MODE1      0b01
+#define ADS8691_SPI_MODE2      0b10
+#define ADS8691_SPI_MODE3      0b11
+
+#define INT_VREF_ENABLE        0      // Internal reference is enabled
+#define INT_VREF_DISABLE       1      // Internal reference is disabled
+#define VREF_NP_3P000          0b0000 // +/- 3.000 x Vref
+#define VREF_NP_2P500          0b0001 // +/- 2.500 x Vref
+#define VREF_NP_1P500          0b0010 // +/- 1.500 x Vref
+#define VREF_NP_1P250          0b0011 // +/- 1.250 x Vref
+#define VREF_NP_0P625          0b0100 // +/- 0.625 x Vref
+#define VREF_P_3P000           0b1000 //     3.000 x Vref
+#define VREF_P_2P500           0b1001 //     2.500 x Vref
+#define VREF_P_1P500           0b1010 //     1.500 x Vref
+#define VREF_P_1P250           0b1011 //     1.250 x Vref
+
+typedef union
+{
+    struct
+    {
+        uint16_t data;
+        uint16_t addr : 9;
+        uint16_t cmd  : 7;
+    };
+    uint32_t val;
+} opcode_t;
+
+typedef union
+{
+    struct
+    {
+        uint16_t data_val              : 3;
+        uint16_t par_en                : 1;
+        uint16_t                       : 4;
+        uint16_t range_incl            : 1;
+        uint16_t                       : 1;
+        uint16_t in_active_alarm_incl  : 2;
+        uint16_t vdd_active_alarm_incl : 2;
+        uint16_t device_addr_incl      : 1;
+        uint16_t                       : 1;
+    };
+    uint16_t val;
+} dataout_ctl_t;
+
+typedef union
+{
+    struct
+    {
+        uint16_t range_sel  : 4;
+        uint16_t            : 2;
+        uint16_t intref_dis : 1;
+        uint16_t            : 1;
+        uint16_t            : 8;
+    };
+    uint16_t val;
+} range_sel_t;
+static dataout_ctl_t m_dataout_ctl;
+static range_sel_t m_range_sel;
+static uint32_t m_channel = 0;
+static void write_cmd(uint32_t cmd, uint32_t addr, uint16_t data)
+{
+    opcode_t opcode = {
+        .cmd  = cmd,
+        .addr = addr,
+        .data = data,
+    };
+    uint32_t tx = __REV(opcode.val);
+    spim_xfer(CS_ADC_PIN, NRF_SPIM_MODE_0, (uint8_t *)&tx, sizeof(tx), NULL, 0);
+}
+
+static uint16_t read_hword(void)
+{
+    uint32_t tx = 0x00000000;
+    uint32_t rx = 0x00000000;
+    spim_xfer(CS_ADC_PIN, NRF_SPIM_MODE_0, (uint8_t *)&tx, sizeof(tx), (uint8_t *)&rx, sizeof(rx));
+    rx = __REV(rx);
+    return rx >> 16;
+}
+
+static uint32_t read_word(void)
+{
+    uint32_t tx = 0x00000000;
+    uint32_t rx = 0x00000000;
+    spim_xfer(CS_ADC_PIN, NRF_SPIM_MODE_0, (uint8_t *)&tx, sizeof(tx), (uint8_t *)&rx, sizeof(rx));
+    rx = __REV(rx);
+    return rx;
+}
+
+static int write_dev_id(uint32_t new_id)
+{
+    write_cmd(ADS8691_CMD_WRITE, DEVICE_ID_REG + 2, new_id & 0b1111);
+    write_cmd(ADS8691_CMD_READ_HWORD, DEVICE_ID_REG + 2, 0x0000);
+    return read_hword() == (new_id & 0b1111) ? 0 : -1;
+}
+
+uint32_t read_dev_id(void)
+{
+    write_cmd(ADS8691_CMD_READ_HWORD, DEVICE_ID_REG + 2, 0x0000);
+    return read_hword();
+}
+
+static int write_dataout_ctrl(dataout_ctl_t *dataout_ctl)
+{
+    write_cmd(ADS8691_CMD_WRITE, DATAOUT_CTL_REG, dataout_ctl->val);
+    return 0;
+}
+
+static int read_dataout_ctrl(dataout_ctl_t *dataout_ctl)
+{
+    write_cmd(ADS8691_CMD_READ_HWORD, DATAOUT_CTL_REG, 0x0000);
+    dataout_ctl->val = read_hword();
+    return 0;
+}
+
+static int write_range_sel(range_sel_t *range_sel)
+{
+    write_cmd(ADS8691_CMD_WRITE, RANGE_SEL_REG, range_sel->val);
+    return 0;
+}
+
+static int read_range_sel(range_sel_t *range_sel)
+{
+    write_cmd(ADS8691_CMD_READ_HWORD, DATAOUT_CTL_REG, 0x0000);
+    range_sel->val = read_hword();
+    return 0;
+}
+
+static double adc_convert_volt(uint16_t range_sel, int32_t val_18bit)
+{
+// LSB[uV]
+#define LSB_VREF_NP_3P000 93.75
+#define LSB_VREF_NP_2P500 78.125
+#define LSB_VREF_NP_1P500 48.875
+#define LSB_VREF_NP_1P250 39.06
+#define LSB_VREF_NP_0P625 19.53
+#define LSB_VREF_P_3P000  46.875
+#define LSB_VREF_P_2P500  39.06
+#define LSB_VREF_P_1P500  23.43
+#define LSB_VREF_P_1P250  19.53
+
+// FULL-SCALE RANGE[V]
+#define FSR_VREF_NP_3P000 24.576
+#define FSR_VREF_NP_2P500 20.48
+#define FSR_VREF_NP_1P500 12.288
+#define FSR_VREF_NP_1P250 10.24
+#define FSR_VREF_NP_0P625 5.12
+#define FSR_VREF_P_3P000  12.288
+#define FSR_VREF_P_2P500  10.24
+#define FSR_VREF_P_1P500  6.144
+#define FSR_VREF_P_1P250  5.12
+
+    double volt;
+
+    if (range_sel == VREF_NP_3P000)
+        volt = (double)val_18bit * LSB_VREF_NP_3P000 / 1000000 - FSR_VREF_NP_3P000 / 2;
+    else if (range_sel == VREF_NP_2P500)
+        volt = (double)val_18bit * LSB_VREF_NP_2P500 / 1000000 - FSR_VREF_NP_2P500 / 2;
+    else if (range_sel == VREF_NP_1P500)
+        volt = (double)val_18bit * LSB_VREF_NP_1P500 / 1000000 - FSR_VREF_NP_1P500 / 2;
+    else if (range_sel == VREF_NP_1P250)
+        volt = (double)val_18bit * LSB_VREF_NP_1P250 / 1000000 - FSR_VREF_NP_1P250 / 2;
+    else if (range_sel == VREF_NP_0P625)
+        volt = (double)val_18bit * LSB_VREF_NP_0P625 / 1000000 - FSR_VREF_NP_0P625 / 2;
+    else if (range_sel == VREF_P_3P000)
+        volt = (double)val_18bit * LSB_VREF_P_3P000 / 1000000 - FSR_VREF_P_3P000 / 2;
+    else if (range_sel == VREF_P_2P500)
+        volt = (double)val_18bit * LSB_VREF_P_2P500 / 1000000 - FSR_VREF_P_2P500 / 2;
+    else if (range_sel == VREF_P_1P500)
+        volt = (double)val_18bit * LSB_VREF_P_1P500 / 1000000 - FSR_VREF_P_1P500 / 2;
+    else if (range_sel == VREF_P_1P250)
+        volt = (double)val_18bit * LSB_VREF_P_1P250 / 1000000 - FSR_VREF_P_1P250 / 2;
+
+    return volt;
+}
+
+static int ads8691_read(uint32_t channel, int32_t *adc_val)
+{
+    if (m_channel != channel)
+    {
+        m_channel = channel;
+        nrf_gpio_pin_write(ADCA0_PIN, m_channel & (0x01 << 0));
+        nrf_gpio_pin_write(ADCA1_PIN, m_channel & (0x01 << 1));
+        nrf_gpio_pin_write(ADCA2_PIN, m_channel & (0x01 << 2));
+        nrf_delay_us(100);
+    }
+
+    read_word();
+
+    uint32_t val = read_word();
+    *adc_val     = val >> 14;
+
+    return 0;
+}
+
+static int ads8691_read_milivolt(uint32_t channel, float *mv)
+{
+    int32_t val = 0;
+    ads8691_read(channel, &val);
+    *mv = adc_convert_volt(m_range_sel.range_sel, val) * 1000.0;
+    return 0;
+}
+
+static int ads8691_gain(adc_gain_t gain)
+{
+    switch (gain)
+    {
+        case GAIN_3P000:
+            m_range_sel.range_sel = VREF_NP_3P000;
+            break;
+        case GAIN_2P500:
+            m_range_sel.range_sel = VREF_NP_2P500;
+            break;
+        case GAIN_1P500:
+            m_range_sel.range_sel = VREF_NP_1P500;
+            break;
+        case GAIN_1P250:
+            m_range_sel.range_sel = VREF_NP_1P250;
+            break;
+        case GAIN_0P625:
+            m_range_sel.range_sel = VREF_NP_0P625;
+            break;
+        default:
+            break;
+    }
+    write_range_sel(&m_range_sel);
+    return 0;
+}
+
+static int ads8691_reset(void)
+{
+    return 0;
+}
+
+static int ads8691_init(void)
+{
+    int ret = -1;
+    for (int i = 0; i < 3; i++)
+    {
+        if (read_dev_id() == 0b0101)
+        {
+            ret = 0;
+            break;
+        }
+        if (write_dev_id(0b0101) == 0)
+        {
+            ret = 0;
+            break;
+        }
+    }
+
+    if (ret == 0)
+    {
+        read_dataout_ctrl(&m_dataout_ctl);
+        read_range_sel(&m_range_sel);
+        nrf_gpio_pin_write(ADCA0_PIN, m_channel & (0x01 << 0));
+        nrf_gpio_pin_write(ADCA1_PIN, m_channel & (0x01 << 1));
+        nrf_gpio_pin_write(ADCA2_PIN, m_channel & (0x01 << 2));
+    }
+
+    return ret;
+}
+
+const adc_drv_if_t ads8691 = {
+    .init  = ads8691_init,
+    .reset = ads8691_reset,
+    .read  = ads8691_read,
+    .gain  = ads8691_gain,
+    .read_milivolt = ads8691_read_milivolt,
+};
+
+#endif /* ! DEF_ADS8691_ENABLED */

ads8691.h

@@ -0,0 +1,21 @@
+#ifndef __ADS8691_H__
+#define __ADS8691_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "adc_drv_if.h"
+
+#if (DEF_ADS8691_ENABLED)
+
+extern const adc_drv_if_t ads8691;
+
+#endif /* ! DEF_ADS8691_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ADS8691_H__ */

apa102_2020.c

@@ -0,0 +1,77 @@
+#include "nrf_gpio.h"
+#include "nrf_log.h"
+#include "nrf_spim.h"
+
+#include "apa102_2020.h"
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+#if (DEF_APA102_2020_ENABLED)
+
+#define DISP_LED_COLOR 0
+
+typedef struct
+{
+    uint8_t brightness : 5;
+    uint8_t preamble   : 3;
+    struct led_color color;
+} led_t;
+
+static led_t *p_led       = NULL;
+static uint32_t led_count = 0;
+
+const led_t led_default = {
+    .brightness = 0b00000,
+    .preamble   = 0b111,
+    .color      = {
+                   .B = 0,
+                   .G = 0,
+                   .R = 0},
+};
+
+static void apa102_led_write(uint8_t *pucData, uint32_t ulSize)
+{
+    spi1_write(pucData, ulSize);
+}
+
+int32_t apa102_led_set(uint32_t idx, struct led_color color, uint8_t brightness)
+{
+    uint32_t start_frame  = 0x00000000;
+    uint32_t end_frame    = 0xFFFFFFFF;
+    p_led[idx].color      = color;
+    p_led[idx].brightness = brightness;
+
+    apa102_led_write((void *)&start_frame, sizeof(start_frame));
+    apa102_led_write((void *)p_led, led_count * sizeof(*p_led));
+    apa102_led_write((void *)&end_frame, sizeof(end_frame));
+
+    return 0;
+}
+
+int32_t apa102_init(uint32_t cnt)
+{
+    uint32_t start_frame = 0x00000000;
+    uint32_t end_frame   = 0xFFFFFFFF;
+
+    led_count = cnt;
+    p_led     = pvPortMalloc(led_count * sizeof(*p_led));
+
+    for (int i = 0; i < led_count; i++)
+    {
+        p_led[i] = led_default;
+    }
+
+    apa102_led_write((void *)&start_frame, sizeof(start_frame));
+    apa102_led_write((void *)p_led, led_count * sizeof(*p_led));
+    apa102_led_write((void *)&end_frame, sizeof(end_frame));
+
+    return 0;
+}
+
+const led_drv_if_t apa102_drv = {
+    .init = apa102_init,
+    .set  = apa102_led_set,
+};
+
+#endif /* ! DEF_APA102_2020_ENABLED */

apa102_2020.h

@@ -0,0 +1,22 @@
+#ifndef __APA102_2020_H__
+#define __APA102_2020_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "elite_board.h"
+#include "led_drv_if.h"
+
+#if (DEF_APA102_2020_ENABLED)
+
+extern const led_drv_if_t apa102_drv;
+
+#endif /* ! DEF_APA102_2020_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __APA102_2020_H__ */

app_config.h

@@ -1,15 +1,13 @@
-#pragma once
 #ifndef __APP_CONFIG_H__
 #define __APP_CONFIG_H__
 
+#include <stdint.h>
+
 #ifdef __cplusplus
 extern "C"
 {
 #endif
 
-// DEVICE INFO
-#define DEVICE_NAME                                 "xyz"
-
 // LOG
 #define NRF_LOG_ENABLED                             1
 #define NRF_LOG_DEFAULT_LEVEL                       3
@@ -22,12 +20,13 @@ extern "C"
 #define NRF_LOG_DEFERRED                            0
 #define NRF_LOG_USES_TIMESTAMP                      0
 #define NRF_FPRINTF_FLAG_AUTOMATIC_CR_ON_LF_ENABLED 0
+#define NRF_LOG_MSGPOOL_ELEMENT_COUNT               31
 
 // SEGGER-RTT
 #define SEGGER_RTT_SECTION                          ".segger_rtt"
-#define SEGGER_RTT_CONFIG_MAX_NUM_UP_BUFFERS        1
+#define SEGGER_RTT_CONFIG_MAX_NUM_UP_BUFFERS        2
 #define SEGGER_RTT_CONFIG_MAX_NUM_DOWN_BUFFERS      1
-#define SEGGER_RTT_CONFIG_BUFFER_SIZE_UP            4000
+#define SEGGER_RTT_CONFIG_BUFFER_SIZE_UP            2048
 #define SEGGER_RTT_CONFIG_BUFFER_SIZE_DOWN          16
 #define SEGGER_RTT_CONFIG_DEFAULT_MODE              0
 
@@ -83,8 +82,303 @@ extern "C"
 #define POWER_CONFIG_IRQ_PRIORITY                   6
 #define CLOCK_CONFIG_IRQ_PRIORITY                   6
 
+// SoftDevice BLE event handler
+#define NRF_SDH_BLE_ENABLED                         1
+// The number of vendor-specific UUIDs.
+#define NRF_SDH_BLE_VS_UUID_COUNT                   2
+// Attribute Table size in bytes. The size must be a multiple of 4.
+#define NRF_SDH_BLE_GATTS_ATTR_TAB_SIZE             1408
+// BLE Observers - Observers and priority levels
+#define NRF_SDH_BLE_OBSERVER_PRIO_LEVELS            4
+// Include the Service Changed characteristic in the Attribute Table.
+#define NRF_SDH_BLE_SERVICE_CHANGED                 1
+
+// This setting configures how Stack events are dispatched to the application.
+#define NRF_SDH_DISPATCH_MODEL                      2 /* SoftDevice events are to be fetched manually. */
+
+// BLE Observers priorities - Invididual priorities
+#define BLE_ADV_BLE_OBSERVER_PRIO                   1
+#define BLE_CONN_PARAMS_BLE_OBSERVER_PRIO           1
+#define BLE_CONN_STATE_BLE_OBSERVER_PRIO            0
+
+// Enable Advertising module
+#define BLE_ADVERTISING_ENABLED                     1
+
+// BLE device name
+#define DEF_ELITE_DEV                               0x00000000
+#define DEF_ELITE_EDC_V2_0                          0x00020109
+#define DEF_ELITE_PEL_V2_0                          0x00070001
+#define DEF_ELITE_CPG_V1_1                          0x00080001
+#define DEF_ELITE_MODEL                             DEF_ELITE_DEV
+
+#define DEF_ELITE_DEMO_W_SOFTDEVICE                 0
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_DEV)
+#define ELITE_DEVICE_NAME       "Elite-Dev"
+#define ELITE_HW_NAME           "Elite-Dev"
+#define MAJOR_PRODUCT_NUMBER    0
+#define MINOR_PRODUCT_NUMBER    0
+#define MAJOR_VERSION_NUMBER    0
+#define MINOR_VERSION_NUMBER    0
+
+#define DEF_TW1508_ENABLED      0
+
+#define DEF_LED_COUNT           0
+#define DEF_LED_DRV_ENABLED     0
+#define DEF_APA102_2020_ENABLED 0
+
+#define DEF_ADC_DRV_ENABLED     0
+#define DEF_ADS8691_ENABLED     0
+#define DEF_BULTIN_ADC_ENABED   0
+
+#define DEF_DAC_DRV_ENABLED     0
+#define DEF_MAX5136_ENABLED     0
+
+#define DEF_SW_DRV_ENABLED      0
+#define DEF_MAX14802_ENABLED    0
+#define DEF_ADGS1412_ENABLED    0
+
+#define DEF_FS_ENABLED          0
+#define DEF_FS_RTT_DIR          0
+#define DEF_GD25D10C_ENABLED    0
+
+#define DEF_BTN_ENABLED         0
+
+#define DEF_RTT_JSCOP_ENABLED   0
+
+#define DEF_USBD_ENABLED        1
+
+#elif (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+#define ELITE_DEVICE_NAME       "Elite-EDC"
+#define ELITE_HW_NAME           "Elite-EDCv2.0"
+#define MAJOR_PRODUCT_NUMBER    0
+#define MINOR_PRODUCT_NUMBER    2
+#define MAJOR_VERSION_NUMBER    1
+#define MINOR_VERSION_NUMBER    9
+
+#define DEF_TW1508_ENABLED      0
+
+#define DEF_LED_COUNT           12
+#define DEF_LED_DRV_ENABLED     1
+#define DEF_APA102_2020_ENABLED 1
+
+#define DEF_ADC_DRV_ENABLED     1
+#define DEF_ADS8691_ENABLED     1
+#define DEF_BULTIN_ADC_ENABED   0
+
+#define DEF_DAC_DRV_ENABLED     1
+#define DEF_MAX5136_ENABLED     1
+
+#define DEF_SW_DRV_ENABLED      1
+#define DEF_MAX14802_ENABLED    0
+#define DEF_ADGS1412_ENABLED    1
+
+#define DEF_FS_ENABLED          0
+#define DEF_FS_RTT_DIR          0
+#define DEF_GD25D10C_ENABLED    0
+
+#define DEF_BTN_ENABLED         1
+
+#define DEF_RTT_JSCOP_ENABLED   0
+
+#define DEF_USBD_ENABLED        1
+
+#elif (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+#define BOARD_IOPH              1
+#define BOARD_IOPL              0
+
+#define ELITE_DEVICE_NAME       "Elite-PEL"
+#define ELITE_HW_NAME           "Elite-PELv2.0"
+#define BOARD_IOPx              BOARD_IOPH
+#define MAJOR_PRODUCT_NUMBER    0
+#define MINOR_PRODUCT_NUMBER    7
+#define MAJOR_VERSION_NUMBER    0
+#define MINOR_VERSION_NUMBER    1
+
+#define DEF_TW1508_ENABLED      0
+
+#define DEF_LED_COUNT           0
+#define DEF_LED_DRV_ENABLED     0
+#define DEF_APA102_2020_ENABLED 0
+
+#define DEF_ADC_DRV_ENABLED     1
+#define DEF_ADS8691_ENABLED     0
+#define DEF_BULTIN_ADC_ENABED   1
+
+#define DEF_DAC_DRV_ENABLED     0
+#define DEF_MAX5136_ENABLED     0
+
+#define DEF_SW_DRV_ENABLED      0
+#define DEF_MAX14802_ENABLED    0
+#define DEF_ADGS1412_ENABLED    0
+
+#define DEF_FS_ENABLED          0
+#define DEF_FS_RTT_DIR          0
+#define DEF_GD25D10C_ENABLED    0
+
+#define DEF_BTN_ENABLED         0
+
+#define DEF_RTT_JSCOP_ENABLED   0
+
+#define DEF_USBD_ENABLED        1
+
+#elif (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+#define ELITE_DEVICE_NAME       "Elite-CPG"
+#define ELITE_HW_NAME           "Elite-CPGv1.1"
+#define MAJOR_PRODUCT_NUMBER    0
+#define MINOR_PRODUCT_NUMBER    8
+#define MAJOR_VERSION_NUMBER    0
+#define MINOR_VERSION_NUMBER    1
+
+#define DEF_TW1508_ENABLED      1
+
+#define DEF_LED_COUNT           0
+#define DEF_LED_DRV_ENABLED     0
+#define DEF_APA102_2020_ENABLED 0
+
+#define DEF_ADC_DRV_ENABLED     0
+#define DEF_ADS8691_ENABLED     0
+#define DEF_BULTIN_ADC_ENABED   0
+
+#define DEF_DAC_DRV_ENABLED     0
+#define DEF_MAX5136_ENABLED     0
+
+#define DEF_SW_DRV_ENABLED      1
+#define DEF_MAX14802_ENABLED    1
+#define DEF_ADGS1412_ENABLED    0
+
+#define DEF_FS_ENABLED          0
+#define DEF_FS_RTT_DIR          0
+#define DEF_GD25D10C_ENABLED    0
+
+#define DEF_BTN_ENABLED         0
+
+#define DEF_RTT_JSCOP_ENABLED   0
+
+#define DEF_USBD_ENABLED        1
+
+#endif
+
+#define BLE_ELITE_SRV_ENABLED   1
+#define BLE_ELITE_OBSERVER_PRIO 3
+#define ELITE_UUID              0xFFF0
+#define ELITE_COMPANY_CODE      "BPHS"
+#define ELITE_HW_VER                                                                           \
+    {                                                                                          \
+        MAJOR_PRODUCT_NUMBER, MINOR_PRODUCT_NUMBER, MAJOR_VERSION_NUMBER, MINOR_VERSION_NUMBER \
+    }
+
+// Maximum number of peripheral links.
+#define NRF_SDH_BLE_PERIPHERAL_LINK_COUNT          1
+// Maximum number of central links.
+#define NRF_SDH_BLE_CENTRAL_LINK_COUNT             0
+// Total link count.
+#define NRF_SDH_BLE_TOTAL_LINK_COUNT               1
+
+// Enable GATT module.
+#define NRF_BLE_GATT_ENABLED                       1
+// Priority with which BLE events are dispatched to the GATT module.
+#define NRF_BLE_GATT_BLE_OBSERVER_PRIO             1
+// Requested BLE GAP data length to be negotiated.
+#define NRF_SDH_BLE_GAP_DATA_LENGTH                251
+// GAP event length. The time set aside for this connection on every connection interval in 1.25 ms units.
+#define NRF_SDH_BLE_GAP_EVENT_LENGTH               (0xFFFF)
+// Static maximum MTU size.
+#define NRF_SDH_BLE_GATT_MAX_MTU_SIZE              247
+
+// Enable ble device info module
+#define BLE_DIS_ENABLED                            1
+
+// Enable ble uart module
+#define BLE_NUS_ENABLED                            1
+#define BLE_UART_SRV_ENABLED                       1
+#define BLE_UART_OBSERVER_PRIO                     3
+#define NRF_UARTE_ENABLED                          1
+#define DEF_UARTE_ENABLED                          1
+
+// DFU
+#define NRF_DFU_TRANSPORT_BLE                      1
+#define BLE_DFU_BLE_OBSERVER_PRIO                  2
+#define NRF_PWR_MGMT_ENABLED                       1
+
+// Enable spim
+#define SPI_ENABLED                                1
+#define SPI1_ENABLED                               1
+#define SPI1_USE_EASY_DMA                          1
+#define SPI2_ENABLED                               1
+#define SPI2_USE_EASY_DMA                          1
+#define SPI_DEFAULT_CONFIG_IRQ_PRIORITY            7
+#define NRFX_SPIM_MISO_PULL_CFG                    3
+
+// Enable twi(i2c)
+#define TWI_ENABLED                                1
+#define TWI0_ENABLED                               1
+#define TWI0_USE_EASY_DMA                          1
+
+// Enable gpiote
+#define NRFX_GPIOTE_ENABLED                        1
+#define NRFX_GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS 1
+#define NRFX_GPIOTE_CONFIG_IRQ_PRIORITY            6
+
+#define COUNT_ARRAY_SIZE(x)                        (sizeof(x) / sizeof(x[0]))
+#define COUNTOF(x)                                 (sizeof(x) / sizeof(x[0]))
+
+#define u8_to_u32(a, b, c, d)                      (((uint32_t)(a) << 24) | ((uint32_t)(b) << 16) | ((uint32_t)(c) << 8) | (d))
+#define u8_to_u16(a, b)                            (((uint16_t)(a) << 8) | (b))
+#define u8_to_i32(a, b, c, d)                      (((int32_t)(a) << 24) | ((int32_t)(b) << 16) | ((int32_t)(c) << 8) | ((int32_t)(d)))
+#define u8_to_i16(a, b)                            (((int16_t)(a) << 8) | (int16_t)(b))
+
+#define DEBUG_NRF                                  1
+
+    // USBD
+
+#define APP_USBD_ENABLED                           1
+#define APP_USBD_VID                               0x1915
+#define APP_USBD_PID                               0xC00A
+#define APP_USBD_DEVICE_VER_MAJOR                  1
+#define APP_USBD_DEVICE_VER_MINOR                  1
+#define USBD_CONFIG_IRQ_PRIORITY                   _PRIO_APP_MID
+#define APP_USBD_DEVICE_VER_SUB                    0
+#define APP_USBD_STRINGS_LANGIDS                   APP_USBD_LANG_AND_SUBLANG(APP_USBD_LANG_ENGLISH, APP_USBD_SUBLANG_ENGLISH_US)
+#define APP_USBD_STRINGS_USER                      X(APP_USER_1, , APP_USBD_STRING_DESC("User 1"))
+#define APP_USBD_STRINGS_MANUFACTURER              APP_USBD_STRING_DESC("Nordic Semiconductor")
+#define APP_USBD_STRINGS_PRODUCT                   APP_USBD_STRING_DESC("nRF52 USB Product")
+#define APP_USBD_STRINGS_CONFIGURATION             APP_USBD_STRING_DESC("Default configuration")
+#define APP_USBD_STRING_ID_MANUFACTURER            1
+#define APP_USBD_STRING_ID_PRODUCT                 2
+#define APP_USBD_STRING_ID_SERIAL                  3
+#define APP_USBD_STRING_ID_CONFIGURATION           4
+#define APP_USBD_STRING_SERIAL_EXTERN              1
+#define APP_USBD_CONFIG_SELF_POWERED               1
+#define APP_USBD_CONFIG_MAX_POWER                  100
+#define APP_USBD_CONFIG_DESC_STRING_SIZE           31
+#define APP_USBD_CONFIG_EVENT_QUEUE_ENABLE         1
+#define APP_USBD_CONFIG_EVENT_QUEUE_SIZE           32
+
+    extern uint8_t g_extern_serial_number[];
+#define APP_USBD_STRING_SERIAL                      g_extern_serial_number
+
+// USBD CDC ACM
+#define APP_USBD_CDC_ACM_ENABLED                    1
+#define APP_USBD_CDC_ACM_ZLP_ON_EPSIZE_WRITE        1
+
+// USBD DFU TRIGGER
+#define APP_USBD_NRF_DFU_TRIGGER_ENABLED            1
+#define APP_USBD_NRF_DFU_TRIGGER_CONFIG_LOG_ENABLED 1
+#define APP_USBD_NRF_DFU_TRIGGER_CONFIG_LOG_LEVEL   4
+#define NRF_DFU_TRIGGER_USB_USB_SHARED              1
+
+// NRF_USBD
+#define NRFX_USBD_ENABLED                           1
+#define NRFX_USBD_CONFIG_DMASCHEDULER_ISO_BOOST     1
+#define NRFX_USBD_CONFIG_IRQ_PRIORITY               _PRIO_APP_LOW
+
+#define NRF_DFU_TRIGGER_USB_INTERFACE_NUM           0
+#define NRF_CDC_ACM_COMM_INTERFACE                  1
+#define NRF_CDC_ACM_DATA_INTERFACE                  2
+
 #ifdef __cplusplus
 }
 #endif
 
-#endif // !__APP_CONFIG_H__
+#endif /* ! __APP_CONFIG_H__ */

block_dev_drv_if.h

@@ -0,0 +1,33 @@
+#ifndef __BLOCK_DEV_DRV_IF_H__
+#define __BLOCK_DEV_DRV_IF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#define BLOCK_DEV_SUCCESS (0)
+#define BLOCK_DEV_ERROR   (-1)
+typedef struct
+{
+    int (*init)(void);
+    int (*reset)(void);
+    int (*sect_erase)(uint32_t addr, uint32_t sect_cnt);
+    int (*block_erase)(uint32_t addr, uint32_t block_cnt);
+    int (*read_data)(uint8_t *p_dest, uint32_t addr, uint32_t size);
+    int (*page_prog)(uint8_t *p_src, uint32_t addr, uint32_t page_cnt);
+    const uint32_t page_size;
+    const uint32_t sect_size;
+    const uint32_t sect_count;
+    const uint32_t block_size;
+    const uint32_t block_count;
+    const uint32_t page_per_sect;
+} block_dev_drv_if_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __BLOCK_DEV_DRV_IF_H__ */

bmd380_peripheral-Debug.vgdbsettings

@@ -25,6 +25,7 @@
     <ProjectFile>bmd380_peripheral.vcxproj</ProjectFile>
     <RemoteBuildEnvironment>
       <Records />
+      <EnvironmentSetupFiles />
     </RemoteBuildEnvironment>
     <ParallelJobCount>1</ParallelJobCount>
     <SuppressDirectoryChangeMessages>true</SuppressDirectoryChangeMessages>
@@ -33,7 +34,19 @@
   <CustomBuild>
     <PreSyncActions />
     <PreBuildActions />
-    <PostBuildActions />
+    <PostBuildActions>
+      <CustomActionBase xsi:type="CommandLineAction">
+        <SkipWhenRunningCommandList>false</SkipWhenRunningCommandList>
+        <RemoteHost>
+          <HostName>BuildMachine</HostName>
+          <Transport>BuiltinShortcut</Transport>
+        </RemoteHost>
+        <Command>nrfutil</Command>
+        <Arguments>pkg generate --hw-version 52 --sd-req 0x100 --application-version 0 --application $(TargetPath).hex --key-file $(BuildDir)\private.pem $(BuildDir)\OTA_$(TargetFileName).zip"</Arguments>
+        <WorkingDirectory>$(BuildDir)</WorkingDirectory>
+        <BackgroundMode>false</BackgroundMode>
+      </CustomActionBase>
+    </PostBuildActions>
     <PreCleanActions />
     <PostCleanActions />
   </CustomBuild>
@@ -94,17 +107,17 @@
       <EnableAsyncExecutionMode>false</EnableAsyncExecutionMode>
       <AsyncModeSupportsBreakpoints>true</AsyncModeSupportsBreakpoints>
       <TemporaryBreakConsolidationTimeout>0</TemporaryBreakConsolidationTimeout>
+      <BacktraceFrameLimit>0</BacktraceFrameLimit>
       <EnableNonStopMode>false</EnableNonStopMode>
       <MaxBreakpointLimit>0</MaxBreakpointLimit>
       <EnableVerboseMode>true</EnableVerboseMode>
       <EnablePrettyPrinters>false</EnablePrettyPrinters>
+      <EnableAbsolutePathReporting>true</EnableAbsolutePathReporting>
     </AdditionalGDBSettings>
     <DebugMethod>
       <ID>jlink-jtag</ID>
-      <InterfaceID>com.sysprogs.debug.jlink.jlinksw</InterfaceID>
-      <InterfaceSerialNumber>000682409936</InterfaceSerialNumber>
       <Configuration xsi:type="com.visualgdb.edp.segger.settings">
-        <CommandLine>-select USB -device $$SYS:MCU_ID$$ -speed auto -if SWD</CommandLine>
+        <CommandLine>-select USB=682409936 -device $$SYS:MCU_ID$$ -speed auto -if SWD</CommandLine>
         <ProgramMode>Enabled</ProgramMode>
         <StartupCommands>
           <string>target remote :$$SYS:GDB_PORT$$</string>
@@ -127,9 +140,17 @@
     <EnableVirtualHalts>false</EnableVirtualHalts>
     <DynamicAnalysisSettings />
     <EndOfStackSymbol>_estack</EndOfStackSymbol>
-    <TimestampProviderTicksPerSecond>0</TimestampProviderTicksPerSecond>
+    <TimestampProvider>com.sysprogs.arm.dwt</TimestampProvider>
+    <TimestampProviderTicksPerSecond>64000000</TimestampProviderTicksPerSecond>
     <KeepConsoleAfterExit>false</KeepConsoleAfterExit>
     <UnusedStackFillPattern xsi:nil="true" />
+    <RelatedExecutables>
+      <RelatedExecutable>
+        <Program>false</Program>
+        <LoadSymbols>false</LoadSymbols>
+        <ShowInLiveWatch>false</ShowInLiveWatch>
+      </RelatedExecutable>
+    </RelatedExecutables>
     <CheckInterfaceDrivers>true</CheckInterfaceDrivers>
   </Debug>
 </VisualGDBProjectSettings2>

bmd380_peripheral-Release.vgdbsettings

@@ -23,7 +23,10 @@
       </Version>
     </ToolchainID>
     <ProjectFile>bmd380_peripheral.vcxproj</ProjectFile>
-    <ParallelJobCount>0</ParallelJobCount>
+    <RemoteBuildEnvironment>
+      <Records />
+    </RemoteBuildEnvironment>
+    <ParallelJobCount>1</ParallelJobCount>
     <SuppressDirectoryChangeMessages>true</SuppressDirectoryChangeMessages>
     <BuildAsRoot>false</BuildAsRoot>
   </Build>
@@ -45,6 +48,7 @@
     <ShowMessageAfterExecuting>true</ShowMessageAfterExecuting>
   </CustomShortcuts>
   <UserDefinedVariables />
+  <ImportedPropertySheets />
   <CodeSense>
     <Enabled>Unknown</Enabled>
     <ExtraSettings>
@@ -57,6 +61,8 @@
       <Enabled>false</Enabled>
     </CodeAnalyzerSettings>
   </CodeSense>
+  <Configurations />
+  <ProgramArgumentsSuggestions />
   <Debug xsi:type="com.visualgdb.debug.embedded">
     <AdditionalStartupCommands />
     <AdditionalGDBSettings>
@@ -88,10 +94,12 @@
       <EnableAsyncExecutionMode>false</EnableAsyncExecutionMode>
       <AsyncModeSupportsBreakpoints>true</AsyncModeSupportsBreakpoints>
       <TemporaryBreakConsolidationTimeout>0</TemporaryBreakConsolidationTimeout>
+      <BacktraceFrameLimit>0</BacktraceFrameLimit>
       <EnableNonStopMode>false</EnableNonStopMode>
       <MaxBreakpointLimit>0</MaxBreakpointLimit>
       <EnableVerboseMode>true</EnableVerboseMode>
       <EnablePrettyPrinters>false</EnablePrettyPrinters>
+      <EnableAbsolutePathReporting>true</EnableAbsolutePathReporting>
     </AdditionalGDBSettings>
     <DebugMethod>
       <ID>jlink-jtag</ID>

bmd380_peripheral.vcxproj

@@ -32,36 +32,55 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">
     <GNUConfigurationType>Debug</GNUConfigurationType>
     <ToolchainID>com.visualgdb.arm-eabi</ToolchainID>
-    <ToolchainVersion>10.3.1/10.2.90/r1</ToolchainVersion>
+    <ToolchainVersion>14.2.1/15.2/r2</ToolchainVersion>
     <GenerateHexFile>true</GenerateHexFile>
     <MCUPropertyListFile>$(ProjectDir)nrf5x.props</MCUPropertyListFile>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">
     <ToolchainID>com.visualgdb.arm-eabi</ToolchainID>
-    <ToolchainVersion>10.3.1/10.2.90/r1</ToolchainVersion>
+    <ToolchainVersion>14.2.1/15.2/r2</ToolchainVersion>
     <GenerateHexFile>true</GenerateHexFile>
     <MCUPropertyListFile>$(ProjectDir)nrf5x.props</MCUPropertyListFile>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">
     <ClCompile>
       <CLanguageStandard>GNU99</CLanguageStandard>
-      <AdditionalIncludeDirectories>.;../bmd380_sdk/components/softdevice/s140/headers;../bmd380_sdk/components/softdevice/s140/headers/nrf52;../bmd380_sdk/external/segger_rtt;../bmd380_sdk/components/libraries/log;../bmd380_sdk/components/libraries/log/src;../bmd380_sdk/components/libraries/memobj;../bmd380_sdk/components/libraries/ringbuf;../bmd380_sdk/components/libraries/atomic;../bmd380_sdk/components/libraries/balloc;../bmd380_sdk/external/freertos/portable/CMSIS/nrf52;../bmd380_sdk/external/freertos/portable/GCC/nrf52;../bmd380_sdk/integration/nrfx;../bmd380_sdk/integration/nrfx/legacy;../bmd380_sdk/components/libraries/experimental_section_vars;../bmd380_sdk/components/libraries/strerror;../bmd380_sdk/external/freertos/source/include;%(ClCompile.AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>DEBUG=1;USE_APP_CONFIG=1;%(ClCompile.PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>.;../bmd380_sdk/components/softdevice/s140/headers;../bmd380_sdk/components/softdevice/s140/headers/nrf52;../bmd380_sdk/external/segger_rtt;../bmd380_sdk/components/libraries/log;../bmd380_sdk/components/libraries/log/src;../bmd380_sdk/components/libraries/memobj;../bmd380_sdk/components/libraries/ringbuf;../bmd380_sdk/components/libraries/atomic;../bmd380_sdk/components/libraries/balloc;../bmd380_sdk/external/freertos/portable/CMSIS/nrf52;../bmd380_sdk/external/freertos/portable/GCC/nrf52;../bmd380_sdk/integration/nrfx;../bmd380_sdk/integration/nrfx/legacy;../bmd380_sdk/components/libraries/experimental_section_vars;../bmd380_sdk/components/libraries/strerror;../bmd380_sdk/external/freertos/source/include;../bmd380_sdk/components/softdevice/common;../bmd380_sdk/components/ble/common;../bmd380_sdk/components/ble/ble_advertising;../bmd380_sdk/components/libraries/atomic_flags;../bmd380_sdk/components/ble/ble_db_discovery;../bmd380_sdk/components/ble/ble_dtm;../bmd380_sdk/components/ble/ble_link_ctx_manager;../bmd380_sdk/components/ble/ble_racp;../bmd380_sdk/components/ble/ble_radio_notification;../bmd380_sdk/components/ble/ble_services/ble_ancs_c;../bmd380_sdk/components/ble/ble_services/ble_ans_c;../bmd380_sdk/components/ble/ble_services/ble_bas;../bmd380_sdk/components/ble/ble_services/ble_bas_c;../bmd380_sdk/components/ble/ble_services/ble_bps;../bmd380_sdk/components/ble/ble_services/ble_cscs;../bmd380_sdk/components/ble/ble_services/ble_cts_c;../bmd380_sdk/components/ble/ble_services/ble_dfu;../bmd380_sdk/components/ble/ble_services/ble_dis;../bmd380_sdk/components/ble/ble_services/ble_dis_c;../bmd380_sdk/components/ble/ble_services/ble_escs;../bmd380_sdk/components/ble/ble_services/ble_gls;../bmd380_sdk/components/ble/ble_services/ble_hids;../bmd380_sdk/components/ble/ble_services/ble_hrs;../bmd380_sdk/components/ble/ble_services/ble_hrs_c;../bmd380_sdk/components/ble/ble_services/ble_hts;../bmd380_sdk/components/ble/ble_services/ble_ias;../bmd380_sdk/components/ble/ble_services/ble_ias_c;../bmd380_sdk/components/ble/ble_services/ble_ipsp;../bmd380_sdk/components/ble/ble_services/ble_lbs;../bmd380_sdk/components/ble/ble_services/ble_lbs_c;../bmd380_sdk/components/ble/ble_services/ble_lls;../bmd380_sdk/components/ble/ble_services/ble_nus;../bmd380_sdk/components/ble/ble_services/ble_nus_c;../bmd380_sdk/components/ble/ble_services/ble_rscs;../bmd380_sdk/components/ble/ble_services/ble_rscs_c;../bmd380_sdk/components/ble/ble_services/ble_tps;../bmd380_sdk/components/ble/ble_services/eddystone;../bmd380_sdk/components/ble/ble_services/experimental_ble_lns;../bmd380_sdk/components/ble/ble_services/experimental_ble_ots;../bmd380_sdk/components/ble/ble_services/experimental_gatts_c;../bmd380_sdk/components/ble/ble_services/experimental_nrf_ble_cgms;../bmd380_sdk/components/ble/ble_services/experimental_nrf_ble_ots_c;../bmd380_sdk/components/ble/ble_services/nrf_ble_bms;../bmd380_sdk/components/ble/nrf_ble_gatt;../bmd380_sdk/components/ble/nrf_ble_gq;../bmd380_sdk/components/ble/nrf_ble_qwr;../bmd380_sdk/components/ble/nrf_ble_scan;../bmd380_sdk/components/ble/peer_manager;../bmd380_sdk/components/libraries/pwr_mgmt;littlefs;../bmd380_sdk/external/utf_converter;../bmd380_sdk/components/boards;../bmd380_sdk/components/libraries/usbd;../bmd380_sdk/components/libraries/usbd/class/audio;../bmd380_sdk/components/libraries/usbd/class/cdc;../bmd380_sdk/components/libraries/usbd/class/cdc/acm;../bmd380_sdk/components/libraries/usbd/class/dummy;../bmd380_sdk/components/libraries/usbd/class/hid;../bmd380_sdk/components/libraries/usbd/class/hid/generic;../bmd380_sdk/components/libraries/usbd/class/hid/kbd;../bmd380_sdk/components/libraries/usbd/class/hid/mouse;../bmd380_sdk/components/libraries/usbd/class/msc;../bmd380_sdk/components/libraries/usbd/class/nrf_dfu_trigger;%(ClCompile.AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>DEBUG=1;USE_APP_CONFIG=1;LFS_THREADSAFE=1;CONFIG_NFCT_PINS_AS_GPIOS;NRF52840_XXAA;%(ClCompile.PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalOptions />
       <CPPLanguageStandard />
+      <Optimization>O0</Optimization>
     </ClCompile>
     <Link>
       <AdditionalLinkerInputs>;%(Link.AdditionalLinkerInputs)</AdditionalLinkerInputs>
       <LibrarySearchDirectories>;%(Link.LibrarySearchDirectories)</LibrarySearchDirectories>
       <AdditionalLibraryNames>;%(Link.AdditionalLibraryNames)</AdditionalLibraryNames>
-      <LinkerScript>nRF52811_XXAA_s140.lds</LinkerScript>
+      <LinkerScript>nRF52840_XXAA_S140_reserve.lds</LinkerScript>
       <AdditionalOptions />
     </Link>
+    <ToolchainSettingsContainer>
+      <InstructionSet>THUMB</InstructionSet>
+    </ToolchainSettingsContainer>
+    <ToolchainSettingsContainer>
+      <FloatABI>hard</FloatABI>
+    </ToolchainSettingsContainer>
+    <ToolchainSettingsContainer>
+      <ARMFPU>fpv4-sp-d16</ARMFPU>
+      <ARMCPU>cortex-m4</ARMCPU>
+    </ToolchainSettingsContainer>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">
     <ClCompile>
       <CLanguageStandard>GNU99</CLanguageStandard>
+      <AdditionalIncludeDirectories>.;../bmd380_sdk/components/softdevice/s140/headers;../bmd380_sdk/components/softdevice/s140/headers/nrf52;../bmd380_sdk/external/segger_rtt;../bmd380_sdk/components/libraries/log;../bmd380_sdk/components/libraries/log/src;../bmd380_sdk/components/libraries/memobj;../bmd380_sdk/components/libraries/ringbuf;../bmd380_sdk/components/libraries/atomic;../bmd380_sdk/components/libraries/balloc;../bmd380_sdk/external/freertos/portable/CMSIS/nrf52;../bmd380_sdk/external/freertos/portable/GCC/nrf52;../bmd380_sdk/integration/nrfx;../bmd380_sdk/integration/nrfx/legacy;../bmd380_sdk/components/libraries/experimental_section_vars;../bmd380_sdk/components/libraries/strerror;../bmd380_sdk/external/freertos/source/include;../bmd380_sdk/components/softdevice/common;../bmd380_sdk/components/ble/common;../bmd380_sdk/components/ble/ble_advertising;../bmd380_sdk/components/libraries/atomic_flags;../bmd380_sdk/components/ble/ble_db_discovery;../bmd380_sdk/components/ble/ble_dtm;../bmd380_sdk/components/ble/ble_link_ctx_manager;../bmd380_sdk/components/ble/ble_racp;../bmd380_sdk/components/ble/ble_radio_notification;../bmd380_sdk/components/ble/ble_services/ble_ancs_c;../bmd380_sdk/components/ble/ble_services/ble_ans_c;../bmd380_sdk/components/ble/ble_services/ble_bas;../bmd380_sdk/components/ble/ble_services/ble_bas_c;../bmd380_sdk/components/ble/ble_services/ble_bps;../bmd380_sdk/components/ble/ble_services/ble_cscs;../bmd380_sdk/components/ble/ble_services/ble_cts_c;../bmd380_sdk/components/ble/ble_services/ble_dfu;../bmd380_sdk/components/ble/ble_services/ble_dis;../bmd380_sdk/components/ble/ble_services/ble_dis_c;../bmd380_sdk/components/ble/ble_services/ble_escs;../bmd380_sdk/components/ble/ble_services/ble_gls;../bmd380_sdk/components/ble/ble_services/ble_hids;../bmd380_sdk/components/ble/ble_services/ble_hrs;../bmd380_sdk/components/ble/ble_services/ble_hrs_c;../bmd380_sdk/components/ble/ble_services/ble_hts;../bmd380_sdk/components/ble/ble_services/ble_ias;../bmd380_sdk/components/ble/ble_services/ble_ias_c;../bmd380_sdk/components/ble/ble_services/ble_ipsp;../bmd380_sdk/components/ble/ble_services/ble_lbs;../bmd380_sdk/components/ble/ble_services/ble_lbs_c;../bmd380_sdk/components/ble/ble_services/ble_lls;../bmd380_sdk/components/ble/ble_services/ble_nus;../bmd380_sdk/components/ble/ble_services/ble_nus_c;../bmd380_sdk/components/ble/ble_services/ble_rscs;../bmd380_sdk/components/ble/ble_services/ble_rscs_c;../bmd380_sdk/components/ble/ble_services/ble_tps;../bmd380_sdk/components/ble/ble_services/eddystone;../bmd380_sdk/components/ble/ble_services/experimental_ble_lns;../bmd380_sdk/components/ble/ble_services/experimental_ble_ots;../bmd380_sdk/components/ble/ble_services/experimental_gatts_c;../bmd380_sdk/components/ble/ble_services/experimental_nrf_ble_cgms;../bmd380_sdk/components/ble/ble_services/experimental_nrf_ble_ots_c;../bmd380_sdk/components/ble/ble_services/nrf_ble_bms;../bmd380_sdk/components/ble/nrf_ble_gatt;../bmd380_sdk/components/ble/nrf_ble_gq;../bmd380_sdk/components/ble/nrf_ble_qwr;../bmd380_sdk/components/ble/nrf_ble_scan;../bmd380_sdk/components/ble/peer_manager;%(ClCompile.AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>NDEBUG=1;RELEASE=1;USE_APP_CONFIG=1;NRF52840_XXAA;%(ClCompile.PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
+    <Link>
+      <AdditionalLinkerInputs>;%(Link.AdditionalLinkerInputs)</AdditionalLinkerInputs>
+      <LibrarySearchDirectories>;%(Link.LibrarySearchDirectories)</LibrarySearchDirectories>
+      <AdditionalLibraryNames>;%(Link.AdditionalLibraryNames)</AdditionalLibraryNames>
+      <LinkerScript>nRF52840_XXAA_S140_reserve.lds</LinkerScript>
+    </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
     <Text Include="..\bmd380_sdk\external\freertos\license\license.txt" />
@@ -74,7 +93,12 @@
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
   <ItemGroup>
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_services\ble_dfu\ble_dfu.c" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_services\ble_dfu\ble_dfu_unbonded.c" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_services\ble_dis\ble_dis.c" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\nrf_ble_gatt\nrf_ble_gatt.c" />
     <ClCompile Include="..\bmd380_sdk\components\libraries\atomic\nrf_atomic.c" />
+    <ClCompile Include="..\bmd380_sdk\components\libraries\atomic_flags\nrf_atflags.c" />
     <ClCompile Include="..\bmd380_sdk\components\libraries\balloc\nrf_balloc.c" />
     <ClCompile Include="..\bmd380_sdk\components\libraries\experimental_section_vars\nrf_section_iter.c" />
     <ClCompile Include="..\bmd380_sdk\components\libraries\log\src\nrf_log_backend_flash.c" />
@@ -85,8 +109,24 @@
     <ClCompile Include="..\bmd380_sdk\components\libraries\log\src\nrf_log_frontend.c" />
     <ClCompile Include="..\bmd380_sdk\components\libraries\log\src\nrf_log_str_formatter.c" />
     <ClCompile Include="..\bmd380_sdk\components\libraries\memobj\nrf_memobj.c" />
+    <ClCompile Include="..\bmd380_sdk\components\libraries\pwr_mgmt\nrf_pwr_mgmt.c" />
     <ClCompile Include="..\bmd380_sdk\components\libraries\ringbuf\nrf_ringbuf.c" />
     <ClCompile Include="..\bmd380_sdk\components\libraries\strerror\nrf_strerror.c" />
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh.c">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_ant.c">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_ble.c">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_freertos.c">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">false</ExcludedFromBuild>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_soc.c">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\bmd380_sdk\external\freertos\portable\CMSIS\nrf52\port_cmsis.c" />
     <ClCompile Include="..\bmd380_sdk\external\freertos\portable\CMSIS\nrf52\port_cmsis_systick.c" />
     <ClCompile Include="..\bmd380_sdk\external\freertos\portable\GCC\nrf52\port.c" />
@@ -95,21 +135,27 @@
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\list.c" />
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\portable\Common\mpu_wrappers.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\portable\MemMang\heap_1.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\portable\MemMang\heap_2.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\portable\MemMang\heap_3.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\portable\MemMang\heap_4.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">false</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">false</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\portable\MemMang\heap_5.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\queue.c" />
     <ClCompile Include="..\bmd380_sdk\external\freertos\source\stream_buffer.c" />
@@ -121,6 +167,7 @@
     <ClCompile Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_clock.c" />
     <ClCompile Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_power.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_ppi.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
@@ -129,7 +176,8 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_spi.c">
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">
+      </ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_spis.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
@@ -138,12 +186,59 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_twi.c">
-      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">
+      </ExcludedFromBuild>
     </ClCompile>
     <ClCompile Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_uart.c">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|VisualGDB'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|VisualGDB'">true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="adc_drv.c" />
+    <ClCompile Include="adgs1412.c" />
+    <ClCompile Include="ads8691.c" />
+    <ClCompile Include="apa102_2020.c" />
+    <ClCompile Include="btn.c" />
+    <ClCompile Include="builtin_saadc.c" />
+    <ClCompile Include="cpg.c" />
+    <ClCompile Include="cpg11_io.c" />
+    <ClCompile Include="elite_board.c" />
+    <ClCompile Include="dac_drv.c" />
+    <ClCompile Include="elite_dev.c" />
+    <ClCompile Include="edc20_cycle_iv_mode.c" />
+    <ClCompile Include="fs.c" />
+    <ClCompile Include="gd25d10c.c" />
+    <ClCompile Include="le_uart_srv.c" />
+    <ClCompile Include="max14802.c" />
+    <ClCompile Include="max5136.c" />
+    <ClCompile Include="edc20_io.c" />
+    <ClCompile Include="edc20.c" />
+    <ClCompile Include="elite.c" />
+    <ClCompile Include="elite_adc.c" />
+    <ClCompile Include="elite_dac.c" />
+    <ClCompile Include="elite_correction.c" />
+    <ClCompile Include="led_drv.c" />
+    <ClCompile Include="le_adv.c" />
+    <ClCompile Include="le_dfu.c" />
+    <ClCompile Include="le_elite_srv.c" />
+    <ClCompile Include="le_gap.c" />
+    <ClCompile Include="le_gatt.c" />
+    <ClCompile Include="le_srv.c" />
     <ClCompile Include="main.c" />
+    <ClCompile Include="j_scop.c" />
+    <ClCompile Include="pel.c" />
+    <ClCompile Include="pel20_io.c" />
+    <ClCompile Include="sw_drv.c" />
+    <ClCompile Include="syscalls.c" />
+    <ClCompile Include="tw1508.c" />
+    <ClCompile Include="uart.drv.c" />
+    <ClCompile Include="usbd.c" />
+    <ClCompile Include="usbd_dfu_trigger.c" />
+    <ClInclude Include="le_uart_srv.h" />
+    <ClInclude Include="max14802.h" />
+    <ClInclude Include="pel20_io.h" />
+    <ClInclude Include="tw1508.h" />
+    <ClInclude Include="uart_drv.h" />
+    <ClInclude Include="usbd.h" />
     <None Include="nRF52811_XXAA_s140.lds" />
     <None Include="nRF52840_XXAA_S140_reserve.lds" />
     <None Include="nrf5x.props" />
@@ -203,9 +298,13 @@
     <ClCompile Include="$(BSP_ROOT)\nRF5x\modules\nrfx\hal\nrf_ecb.c" />
     <ClCompile Include="$(BSP_ROOT)\nRF5x\modules\nrfx\hal\nrf_nvmc.c" />
     <ClCompile Include="$(BSP_ROOT)\nRF5x\modules\nrfx\soc\nrfx_atomic.c" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\ble_services\ble_dfu\ble_dfu.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\ble_services\ble_dis\ble_dis.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\nrf_ble_gatt\nrf_ble_gatt.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\atomic\nrf_atomic.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\atomic\nrf_atomic_internal.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\atomic\nrf_atomic_sanity_check.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\atomic_flags\nrf_atflags.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\balloc\nrf_balloc.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\experimental_section_vars\nrf_section.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\experimental_section_vars\nrf_section_iter.h" />
@@ -223,8 +322,14 @@
     <ClInclude Include="..\bmd380_sdk\components\libraries\log\src\nrf_log_ctrl_internal.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\log\src\nrf_log_internal.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\memobj\nrf_memobj.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\pwr_mgmt\nrf_pwr_mgmt.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\ringbuf\nrf_ringbuf.h" />
     <ClInclude Include="..\bmd380_sdk\components\libraries\strerror\nrf_strerror.h" />
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh.h" />
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_ant.h" />
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_ble.h" />
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_freertos.h" />
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_soc.h" />
     <ClInclude Include="..\bmd380_sdk\external\freertos\portable\CMSIS\nrf52\portmacro_cmsis.h" />
     <ClInclude Include="..\bmd380_sdk\external\freertos\portable\GCC\nrf52\portmacro.h" />
     <ClInclude Include="..\bmd380_sdk\external\freertos\source\include\croutine.h" />
@@ -276,8 +381,38 @@
     <ClInclude Include="..\bmd380_sdk\integration\nrfx\nrfx_config.h" />
     <ClInclude Include="..\bmd380_sdk\integration\nrfx\nrfx_glue.h" />
     <ClInclude Include="..\bmd380_sdk\integration\nrfx\nrfx_log.h" />
+    <ClInclude Include="adc_drv.h" />
+    <ClInclude Include="adc_drv_if.h" />
+    <ClInclude Include="adgs1412.h" />
+    <ClInclude Include="ads8691.h" />
+    <ClInclude Include="apa102_2020.h" />
     <ClInclude Include="app_config.h" />
+    <ClInclude Include="block_dev_drv_if.h" />
+    <ClInclude Include="btn.h" />
+    <ClInclude Include="cpg.h" />
+    <ClInclude Include="cpg11_io.h" />
+    <ClInclude Include="dac_drv.h" />
+    <ClInclude Include="dac_drv_if.h" />
+    <ClInclude Include="edc.h" />
+    <ClInclude Include="edc20_io.h" />
+    <ClInclude Include="eis.h" />
+    <ClInclude Include="elite.h" />
+    <ClInclude Include="elite_adc.h" />
+    <ClInclude Include="elite_dac.h" />
+    <ClInclude Include="elite_correction.h" />
+    <ClInclude Include="elite_board.h" />
+    <ClInclude Include="elite_dev.h" />
     <ClInclude Include="FreeRTOSConfig.h" />
+    <ClInclude Include="elite_def.h" />
+    <ClInclude Include="builtin_saadc.h" />
+    <ClInclude Include="fs.h" />
+    <ClInclude Include="gd25d10c.h" />
+    <ClInclude Include="led_drv.h" />
+    <ClInclude Include="led_drv_if.h" />
+    <ClInclude Include="max5136.h" />
+    <ClInclude Include="pel.h" />
+    <ClInclude Include="sw_drv.h" />
+    <ClInclude Include="sw_drv_if.h" />
     <ClInclude Include="sdk_config.h" />
     <ClInclude Include="radio_config.h" />
     <ClInclude Include="sdio_config.h" />
@@ -521,5 +656,72 @@
     <None Include="bmd380_peripheral-Debug.vgdbsettings" />
     <None Include="bmd380_peripheral-Release.vgdbsettings" />
     <None Include="nrf5x.xml" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_advertising\ble_advertising.c" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\common\ble_advdata.c" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\common\ble_conn_params.c" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\common\ble_conn_state.c" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\common\ble_srv_common.c" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\ble_advertising\ble_advertising.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_advdata.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_conn_params.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_conn_state.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_date_time.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_gatt_db.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_sensor_location.h" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_srv_common.h" />
+    <ClCompile Include="littlefs\lfs.c" />
+    <ClCompile Include="littlefs\lfs_util.c" />
+    <ClInclude Include="littlefs\lfs.h" />
+    <ClInclude Include="littlefs\lfs_util.h" />
+    <ClCompile Include="$(BSP_ROOT)\nRF5x\components\libraries\atomic_fifo\nrf_atfifo.c" />
+    <ClInclude Include="$(BSP_ROOT)\nRF5x\components\libraries\atomic_fifo\nrf_atfifo.h" />
+    <ClInclude Include="$(BSP_ROOT)\nRF5x\components\libraries\atomic_fifo\nrf_atfifo_internal.h" />
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\app_usbd.c" />
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_core.c" />
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_serial_num.c" />
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_string_desc.c" />
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\acm\app_usbd_cdc_acm.c" />
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\class\nrf_dfu_trigger\app_usbd_nrf_dfu_trigger.c" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_class_base.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_core.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_descriptor.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_langid.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_request.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_serial_num.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_string_desc.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_types.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\audio\app_usbd_audio.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\audio\app_usbd_audio_desc.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\audio\app_usbd_audio_internal.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\audio\app_usbd_audio_types.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\app_usbd_cdc_desc.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\app_usbd_cdc_types.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\acm\app_usbd_cdc_acm.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\acm\app_usbd_cdc_acm_internal.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\dummy\app_usbd_dummy.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\dummy\app_usbd_dummy_internal.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\dummy\app_usbd_dummy_types.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\app_usbd_hid.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\app_usbd_hid_types.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\generic\app_usbd_hid_generic.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\generic\app_usbd_hid_generic_desc.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\generic\app_usbd_hid_generic_internal.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\kbd\app_usbd_hid_kbd.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\kbd\app_usbd_hid_kbd_desc.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\kbd\app_usbd_hid_kbd_internal.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\mouse\app_usbd_hid_mouse.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\mouse\app_usbd_hid_mouse_desc.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\mouse\app_usbd_hid_mouse_internal.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc_desc.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc_internal.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc_scsi.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc_types.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\nrf_dfu_trigger\app_usbd_nrf_dfu_trigger.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\nrf_dfu_trigger\app_usbd_nrf_dfu_trigger_internal.h" />
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\nrf_dfu_trigger\app_usbd_nrf_dfu_trigger_types.h" />
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_services\ble_nus\ble_nus.c" />
+    <ClInclude Include="..\bmd380_sdk\components\ble\ble_services\ble_nus\ble_nus.h" />
   </ItemGroup>
 </Project>

bmd380_peripheral.vcxproj.filters

@@ -202,6 +202,120 @@
     <Filter Include="Header files\integration\nrfx\legacy">
       <UniqueIdentifier>{3eb77b43-f265-4923-86c6-d9e123cdf282}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Source files\softdevice">
+      <UniqueIdentifier>{3d372dea-1fd2-4fa6-9de8-8f8e3e36d4cd}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\softdevice">
+      <UniqueIdentifier>{9d0c0dc5-0836-4799-8e1e-863bb92fa31b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\softdevice\common">
+      <UniqueIdentifier>{e08c3a0a-44b9-484a-a2d6-753845cfc53f}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\softdevice\common">
+      <UniqueIdentifier>{c7ac68a2-299c-474c-885e-d429e8e5a452}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\ble">
+      <UniqueIdentifier>{bc9e84c6-e1eb-4f92-a953-156157313736}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\ble\ble_advertising">
+      <UniqueIdentifier>{e343d3fa-a2ab-4468-a86f-85ab5bf8691f}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\ble\common">
+      <UniqueIdentifier>{6796de8c-d113-49ae-b410-1ba146602aaa}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\ble">
+      <UniqueIdentifier>{e35e5681-0697-4cac-a093-e56c06a1b735}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\ble\ble_advertising">
+      <UniqueIdentifier>{7f288a24-1e47-49e6-9a8a-907e9c84ca1d}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\ble\common">
+      <UniqueIdentifier>{defffc43-551c-4791-967b-7d0aee507516}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\littlefs">
+      <UniqueIdentifier>{7f850d36-a444-417b-bf03-8433324adaa4}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\littlefs">
+      <UniqueIdentifier>{0203873a-9b27-4c14-8951-9bfadceafef5}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd">
+      <UniqueIdentifier>{9be4b3f1-08fa-4a57-8ced-ded05bb33eba}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class">
+      <UniqueIdentifier>{122aa9a3-1166-4746-88a1-a8da702e2492}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\audio">
+      <UniqueIdentifier>{e52bf7ec-f9d1-4538-983e-47bfa81d3562}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\cdc">
+      <UniqueIdentifier>{6fc37e7a-7664-4c33-b0d7-61151720fd57}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\cdc\acm">
+      <UniqueIdentifier>{8496e952-f8c1-4375-bb2a-f6a118cb7535}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\dummy">
+      <UniqueIdentifier>{a28b1a63-6aa9-475d-81a5-a8d5d73a2673}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\hid">
+      <UniqueIdentifier>{829fe130-1940-411f-8a78-a76d73d4ea62}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\hid\generic">
+      <UniqueIdentifier>{5d6b27be-e48c-46ad-9f4c-52075b8ae027}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\hid\kbd">
+      <UniqueIdentifier>{73a00df5-663d-457c-9725-f2b3d0fcf006}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\hid\mouse">
+      <UniqueIdentifier>{a2f1fa49-5de7-42a5-9a34-dc48461b153a}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\msc">
+      <UniqueIdentifier>{9ea41d3c-7a5d-4296-9d5f-2639ae75a71d}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\usbd\class\nrf_dfu_trigger">
+      <UniqueIdentifier>{5825fda0-6751-48da-9704-6346db1b0a00}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd">
+      <UniqueIdentifier>{cde73016-f997-4dc2-8ee8-940b177f0a10}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class">
+      <UniqueIdentifier>{4b5836ba-e752-48f2-92ae-8df0556f5fa6}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\audio">
+      <UniqueIdentifier>{ed489212-e566-416f-a5ad-b06050b0479f}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\cdc">
+      <UniqueIdentifier>{d7485e51-66b3-40d5-95fb-fc0ae2cf995a}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\cdc\acm">
+      <UniqueIdentifier>{bf1f22a8-8609-45e9-b701-93abc62db085}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\dummy">
+      <UniqueIdentifier>{d5b73400-cbef-4759-b305-1b98ec4a48f0}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\hid">
+      <UniqueIdentifier>{c0f5969a-b240-4245-98dd-bbbf01c8ce7d}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\hid\generic">
+      <UniqueIdentifier>{518f50b5-4bf5-4a2c-88f1-c8804676ffb3}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\hid\kbd">
+      <UniqueIdentifier>{ccbf274a-f437-4779-ad06-c4a4d8e3a462}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\hid\mouse">
+      <UniqueIdentifier>{1229e16a-43c9-4efc-bfb5-e59c503f3a1b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\msc">
+      <UniqueIdentifier>{e68fbc57-b424-4590-8ac9-7e5a1d78d600}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\usbd\class\nrf_dfu_trigger">
+      <UniqueIdentifier>{65e0c43e-e430-42db-8dce-59f9cfa1f595}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source files\ble_nus">
+      <UniqueIdentifier>{1b8de2a3-45ae-44b2-b2f0-ea91c8a11f84}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header files\ble_nus">
+      <UniqueIdentifier>{ca14490c-607f-4260-b6f5-2dece53e6531}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="main.c">
@@ -1230,6 +1344,357 @@
     <ClCompile Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_uart.c">
       <Filter>Source files\integration\nrfx\legacy</Filter>
     </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh.c">
+      <Filter>Source files\softdevice\common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_ant.c">
+      <Filter>Source files\softdevice\common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_ble.c">
+      <Filter>Source files\softdevice\common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_freertos.c">
+      <Filter>Source files\softdevice\common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_soc.c">
+      <Filter>Source files\softdevice\common</Filter>
+    </ClCompile>
+    <ClCompile Include="le_adv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="le_gap.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_advertising\ble_advertising.c">
+      <Filter>Source files\ble\ble_advertising</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\common\ble_advdata.c">
+      <Filter>Source files\ble\common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\common\ble_conn_params.c">
+      <Filter>Source files\ble\common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\common\ble_conn_state.c">
+      <Filter>Source files\ble\common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\common\ble_srv_common.c">
+      <Filter>Source files\ble\common</Filter>
+    </ClCompile>
+    <ClInclude Include="..\bmd380_sdk\components\ble\ble_advertising\ble_advertising.h">
+      <Filter>Header files\ble\ble_advertising</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_advdata.h">
+      <Filter>Header files\ble\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_conn_params.h">
+      <Filter>Header files\ble\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_conn_state.h">
+      <Filter>Header files\ble\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_date_time.h">
+      <Filter>Header files\ble\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_gatt_db.h">
+      <Filter>Header files\ble\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_sensor_location.h">
+      <Filter>Header files\ble\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\common\ble_srv_common.h">
+      <Filter>Header files\ble\common</Filter>
+    </ClInclude>
+    <ClCompile Include="..\bmd380_sdk\components\libraries\atomic_flags\nrf_atflags.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_services\ble_dfu\ble_dfu.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_services\ble_dfu\ble_dfu_unbonded.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_services\ble_dis\ble_dis.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\nrf_ble_gatt\nrf_ble_gatt.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="le_dfu.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="le_gatt.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="le_srv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="syscalls.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\libraries\pwr_mgmt\nrf_pwr_mgmt.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="le_elite_srv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="apa102_2020.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="led_drv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="max5136.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="dac_drv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="adc_drv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="ads8691.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="adgs1412.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="sw_drv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="gd25d10c.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="littlefs\lfs.c">
+      <Filter>Source files\littlefs</Filter>
+    </ClCompile>
+    <ClCompile Include="littlefs\lfs_util.c">
+      <Filter>Source files\littlefs</Filter>
+    </ClCompile>
+    <ClInclude Include="littlefs\lfs.h">
+      <Filter>Header files\littlefs</Filter>
+    </ClInclude>
+    <ClInclude Include="littlefs\lfs_util.h">
+      <Filter>Header files\littlefs</Filter>
+    </ClInclude>
+    <ClCompile Include="fs.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="j_scop.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="edc20.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="edc20_io.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="elite.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="elite_adc.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="elite_board.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="elite_correction.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="elite_dac.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="btn.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="elite_dev.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="pel.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="edc20_cycle_iv_mode.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="builtin_saadc.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="cpg.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="cpg11_io.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="tw1508.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="max14802.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="pel20_io.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="$(BSP_ROOT)\nRF5x\components\libraries\atomic_fifo\nrf_atfifo.c">
+      <Filter>Source files\Device-specific files\Libraries</Filter>
+    </ClCompile>
+    <ClInclude Include="$(BSP_ROOT)\nRF5x\components\libraries\atomic_fifo\nrf_atfifo.h">
+      <Filter>Header files\Device-specific files\Libraries</Filter>
+    </ClInclude>
+    <ClInclude Include="$(BSP_ROOT)\nRF5x\components\libraries\atomic_fifo\nrf_atfifo_internal.h">
+      <Filter>Header files\Device-specific files\Libraries</Filter>
+    </ClInclude>
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\app_usbd.c">
+      <Filter>Source files\usbd</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_core.c">
+      <Filter>Source files\usbd</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_serial_num.c">
+      <Filter>Source files\usbd</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_string_desc.c">
+      <Filter>Source files\usbd</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\acm\app_usbd_cdc_acm.c">
+      <Filter>Source files\usbd\class\cdc\acm</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\libraries\usbd\class\nrf_dfu_trigger\app_usbd_nrf_dfu_trigger.c">
+      <Filter>Source files\usbd\class\nrf_dfu_trigger</Filter>
+    </ClCompile>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_class_base.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_core.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_descriptor.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_langid.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_request.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_serial_num.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_string_desc.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\app_usbd_types.h">
+      <Filter>Header files\usbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\audio\app_usbd_audio.h">
+      <Filter>Header files\usbd\class\audio</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\audio\app_usbd_audio_desc.h">
+      <Filter>Header files\usbd\class\audio</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\audio\app_usbd_audio_internal.h">
+      <Filter>Header files\usbd\class\audio</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\audio\app_usbd_audio_types.h">
+      <Filter>Header files\usbd\class\audio</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\app_usbd_cdc_desc.h">
+      <Filter>Header files\usbd\class\cdc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\app_usbd_cdc_types.h">
+      <Filter>Header files\usbd\class\cdc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\acm\app_usbd_cdc_acm.h">
+      <Filter>Header files\usbd\class\cdc\acm</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\cdc\acm\app_usbd_cdc_acm_internal.h">
+      <Filter>Header files\usbd\class\cdc\acm</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\dummy\app_usbd_dummy.h">
+      <Filter>Header files\usbd\class\dummy</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\dummy\app_usbd_dummy_internal.h">
+      <Filter>Header files\usbd\class\dummy</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\dummy\app_usbd_dummy_types.h">
+      <Filter>Header files\usbd\class\dummy</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\app_usbd_hid.h">
+      <Filter>Header files\usbd\class\hid</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\app_usbd_hid_types.h">
+      <Filter>Header files\usbd\class\hid</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\generic\app_usbd_hid_generic.h">
+      <Filter>Header files\usbd\class\hid\generic</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\generic\app_usbd_hid_generic_desc.h">
+      <Filter>Header files\usbd\class\hid\generic</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\generic\app_usbd_hid_generic_internal.h">
+      <Filter>Header files\usbd\class\hid\generic</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\kbd\app_usbd_hid_kbd.h">
+      <Filter>Header files\usbd\class\hid\kbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\kbd\app_usbd_hid_kbd_desc.h">
+      <Filter>Header files\usbd\class\hid\kbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\kbd\app_usbd_hid_kbd_internal.h">
+      <Filter>Header files\usbd\class\hid\kbd</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\mouse\app_usbd_hid_mouse.h">
+      <Filter>Header files\usbd\class\hid\mouse</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\mouse\app_usbd_hid_mouse_desc.h">
+      <Filter>Header files\usbd\class\hid\mouse</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\hid\mouse\app_usbd_hid_mouse_internal.h">
+      <Filter>Header files\usbd\class\hid\mouse</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc.h">
+      <Filter>Header files\usbd\class\msc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc_desc.h">
+      <Filter>Header files\usbd\class\msc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc_internal.h">
+      <Filter>Header files\usbd\class\msc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc_scsi.h">
+      <Filter>Header files\usbd\class\msc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\msc\app_usbd_msc_types.h">
+      <Filter>Header files\usbd\class\msc</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\nrf_dfu_trigger\app_usbd_nrf_dfu_trigger.h">
+      <Filter>Header files\usbd\class\nrf_dfu_trigger</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\nrf_dfu_trigger\app_usbd_nrf_dfu_trigger_internal.h">
+      <Filter>Header files\usbd\class\nrf_dfu_trigger</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\usbd\class\nrf_dfu_trigger\app_usbd_nrf_dfu_trigger_types.h">
+      <Filter>Header files\usbd\class\nrf_dfu_trigger</Filter>
+    </ClInclude>
+    <ClCompile Include="usbd.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="usbd_dfu_trigger.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="le_uart_srv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\bmd380_sdk\components\ble\ble_services\ble_nus\ble_nus.c">
+      <Filter>Source files\ble_nus</Filter>
+    </ClCompile>
+    <ClInclude Include="..\bmd380_sdk\components\ble\ble_services\ble_nus\ble_nus.h">
+      <Filter>Header files\ble_nus</Filter>
+    </ClInclude>
+    <ClCompile Include="uart.drv.c">
+      <Filter>Source files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="nRF52840_XXAA_S140_reserve.lds">
@@ -1465,6 +1930,144 @@
     <ClInclude Include="..\bmd380_sdk\integration\nrfx\legacy\nrf_drv_wdt.h">
       <Filter>Header files\integration\nrfx\legacy</Filter>
     </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh.h">
+      <Filter>Header files\softdevice\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_ant.h">
+      <Filter>Header files\softdevice\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_ble.h">
+      <Filter>Header files\softdevice\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_freertos.h">
+      <Filter>Header files\softdevice\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\softdevice\common\nrf_sdh_soc.h">
+      <Filter>Header files\softdevice\common</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\atomic_flags\nrf_atflags.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\ble_services\ble_dfu\ble_dfu.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\ble_services\ble_dis\ble_dis.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\ble\nrf_ble_gatt\nrf_ble_gatt.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\bmd380_sdk\components\libraries\pwr_mgmt\nrf_pwr_mgmt.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="apa102_2020.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="led_drv.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="led_drv_if.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="dac_drv_if.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="max5136.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="dac_drv.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="adc_drv.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="adc_drv_if.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="ads8691.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="adgs1412.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="builtin_saadc.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="sw_drv.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="sw_drv_if.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="gd25d10c.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="block_dev_drv_if.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="fs.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="edc.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="edc20_io.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="eis.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="elite.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="elite_adc.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="elite_board.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="elite_correction.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="elite_dac.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="elite_def.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="btn.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="elite_dev.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="pel.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="tw1508.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="cpg.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="cpg11_io.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="max14802.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="pel20_io.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="usbd.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="uart_drv.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
+    <ClInclude Include="le_uart_srv.h">
+      <Filter>Header files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Text Include="..\bmd380_sdk\external\segger_rtt\license\license.txt">

btn.c

@@ -0,0 +1,194 @@
+#include "nrf_gpio.h"
+#include "nrf_gpiote.h"
+#include "nrfx_gpiote.h"
+
+#include "nrf_log.h"
+
+#include "elite_board.h"
+#include "led_drv.h"
+
+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "task.h"
+
+#if (DEF_BTN_ENABLED)
+
+#define TIME_DEBOUNCE       pdMS_TO_TICKS(25)
+#define TIME_CLICK_INTERVAL pdMS_TO_TICKS(200)
+#define TIME_PRESS_LONG     pdMS_TO_TICKS(1500)
+
+//--------------------------------------------------------------------
+static TaskHandle_t btn_task_handle = NULL;
+
+static void nrfx_gpiote_evt_handler(nrfx_gpiote_pin_t xPin, nrf_gpiote_polarity_t ePolarity)
+{
+    uint32_t pins = nrf_gpio_pin_read(SHUT_DOWN_PIN);
+    if (__get_IPSR() != 0)
+    {
+        BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+        xTaskNotifyFromISR(btn_task_handle, pins, eSetValueWithOverwrite, &xHigherPriorityTaskWoken);
+        portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+    }
+    else
+    {
+        xTaskNotify(btn_task_handle, xPin, eSetValueWithOverwrite);
+    }
+}
+
+static bool wait_pressed(TickType_t xTimeout)
+{
+    uint32_t pins;
+    do {
+        if (!xTaskNotifyWait(0, 0, &pins, xTimeout))
+        {
+            return false;
+        }
+        do {
+        } while (xTaskNotifyWait(0, 0, &pins, TIME_DEBOUNCE));
+    } while (pins);
+    return true;
+}
+
+static bool wait_released(TickType_t xTimeout)
+{
+    uint32_t pins;
+    do {
+        if (!xTaskNotifyWait(0, 0, &pins, xTimeout))
+        {
+            return false;
+        }
+        do {
+        } while (xTaskNotifyWait(0, 0, &pins, TIME_DEBOUNCE));
+    } while (!pins);
+    return true;
+}
+
+//--------------------------------------------------------------------
+typedef enum
+{
+    BTN_EVENT_SHORTx1,
+    BTN_EVENT_SHORTx2,
+    BTN_EVENT_SHORTx3,
+    BTN_EVENT_LONG,
+} BtnEvent_t;
+
+static BtnEvent_t btn_event(void)
+{
+    while (1)
+    {
+        // drop previous/undefined clicks
+        while (wait_pressed(TIME_CLICK_INTERVAL))
+        {
+            wait_released(portMAX_DELAY);
+        }
+        // wait for clicks
+        wait_pressed(portMAX_DELAY);
+        if (!wait_released(TIME_PRESS_LONG))
+        {
+            return BTN_EVENT_LONG;
+        }
+        for (BtnEvent_t e = BTN_EVENT_SHORTx1; e < BTN_EVENT_LONG; e++)
+        {
+            if (!wait_pressed(TIME_CLICK_INTERVAL))
+            {
+                return e;
+            }
+            if (!wait_released(TIME_PRESS_LONG))
+            {
+                break;
+            }
+        }
+    }
+}
+
+static void btn_event_shortx1_cb(void)
+{
+    NRF_LOG_INFO("BTN_EVENT_SHORTx1");
+    const struct led_color color[6] = { LED_RED, LED_ORANGE, LED_YELLOW, LED_GREEN, LED_BLUE, LED_PURPLE };
+    static int idx                  = 0;
+    led_set(color[idx++ % COUNTOF(color)]);
+}
+
+static void btn_event_shortx2_cb(void)
+{
+    NRF_LOG_INFO("BTN_EVENT_SHORTx2");
+    for (int i = 0; i < 2; i++)
+    {
+        led_set(LED_OFF);
+        vTaskDelay(pdMS_TO_TICKS(250));
+        led_set(LED_BLUE);
+        vTaskDelay(pdMS_TO_TICKS(250));
+    }
+    led_set(LED_IDEL_DISCONNECT);
+}
+
+static void btn_event_shortx3_cb(void)
+{
+    NRF_LOG_INFO("BTN_EVENT_SHORTx3");
+    for (int i = 0; i < 2; i++)
+    {
+        led_set(LED_OFF);
+        vTaskDelay(pdMS_TO_TICKS(250));
+        led_set(LED_CYAN);
+        vTaskDelay(pdMS_TO_TICKS(250));
+        led_set(LED_IDEL_DISCONNECT);
+    }
+    led_set(LED_IDEL_DISCONNECT);
+}
+
+static void btn_event_long(void)
+{
+    NRF_LOG_INFO("BTN_EVENT_LONG");
+    led_set(LED_ORANGE);
+    if (!wait_released(TIME_PRESS_LONG))
+    {
+        led_set(LED_OFF);
+        elite_board_power_off();
+    }
+    led_set(LED_IDEL_DISCONNECT);
+}
+
+static void btn_task(void *pvArg)
+{
+    for (;;)
+    {
+        switch (btn_event())
+        {
+            case BTN_EVENT_SHORTx1:
+                btn_event_shortx1_cb();
+                break;
+            case BTN_EVENT_SHORTx2:
+                btn_event_shortx2_cb();
+                break;
+            case BTN_EVENT_SHORTx3:
+                btn_event_shortx3_cb();
+                break;
+            case BTN_EVENT_LONG:
+                btn_event_long();
+                break;
+        }
+    }
+}
+
+void btn_init(void)
+{
+    nrfx_gpiote_in_config_t config = {
+        .hi_accuracy     = 1,
+        .is_watcher      = 0,
+        .pull            = NRF_GPIO_PIN_NOPULL,
+        .sense           = NRF_GPIOTE_POLARITY_TOGGLE,
+        .skip_gpio_setup = 0
+    };
+
+    nrfx_gpiote_init();
+
+    nrfx_gpiote_in_init(SHUT_DOWN_PIN, &config, nrfx_gpiote_evt_handler);
+
+    nrfx_gpiote_in_event_enable(SHUT_DOWN_PIN, true);
+
+    xTaskCreate(btn_task, "btn", 256, NULL, 3, &btn_task_handle);
+}
+
+#endif /* ! DEF_BTN_ENABLED */
+
+

btn.h

@@ -0,0 +1,20 @@
+#ifndef __BTN_H__
+#define __BTN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+
+#if (DEF_BTN_ENABLED)
+void btn_init(void);
+#else
+#define btn_init() 
+#endif /* DEF_BTN_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __BTN_H__ */

builtin_saadc.c

@@ -0,0 +1,355 @@
+#include "builtin_saadc.h"
+#include "nrf_log.h"
+#include "nrf_saadc.h"
+
+#define VERF (0.60)
+
+static uint32_t m_gain = NRF_SAADC_GAIN1_6;
+static int read(uint32_t channel, int32_t *adc_val);
+static int init(void)
+{
+    /* enable ssadc */
+    NRF_SAADC->ENABLE = 1;
+    /* stop ssadc */
+    NRF_SAADC->EVENTS_STOPPED = 0;
+    NRF_SAADC->TASKS_STOP     = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_STOPPED == 0);
+    /* config resolution */
+    NRF_SAADC->RESOLUTION = SAADC_RESOLUTION_VAL_14bit;
+    /* auto calibration ssadc */
+    NRF_SAADC->EVENTS_CALIBRATEDONE  = 0;
+    NRF_SAADC->TASKS_CALIBRATEOFFSET = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_CALIBRATEDONE == 0);
+    /* disable ssadc */
+    NRF_SAADC->ENABLE = 0;
+    /* stop ssadc */
+    NRF_SAADC->EVENTS_STOPPED = 0;
+    NRF_SAADC->TASKS_STOP     = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_STOPPED == 0);
+    return 0;
+}
+
+static int reset(void)
+{
+    // Do nothing...
+    return 0;
+}
+
+static float adc_convert_milivolt(uint16_t range_sel, int32_t val_14bit, bool is_diff)
+{
+    float volt;
+    float gain;
+    float vref;
+    uint32_t m = is_diff ? 1 : 0;
+
+    switch (range_sel)
+    {
+        case NRF_SAADC_GAIN1_6:
+            gain = 1.0 / 6.0;
+            vref = VERF;
+            break;
+        case NRF_SAADC_GAIN1_5:
+            gain = 1.0 / 5.0;
+            vref = VERF;
+            break;
+        case NRF_SAADC_GAIN1_4:
+            gain = 1.0 / 4.0;
+            vref = VERF;
+            break;
+        case NRF_SAADC_GAIN1_3:
+            gain = 1.0 / 3.0;
+            vref = VERF;
+            break;
+        case NRF_SAADC_GAIN1_2:
+            gain = 1.0 / 2.0;
+            vref = VERF;
+            break;
+        case NRF_SAADC_GAIN1:
+            gain = 1.0 / 1.0;
+            vref = VERF;
+            break;
+        case NRF_SAADC_GAIN2:
+            gain = 2.0;
+            vref = VERF;
+            break;
+        case NRF_SAADC_GAIN4:
+            gain = 4.0;
+            vref = VERF;
+            break;
+    }
+
+    // differential V(P) = RESULT * (REFERENCE / GAIN/) / 2(RESOLUTION - 1) - V(N)
+    // single end   V(P) = RESULT * (REFERENCE / GAIN/) / 2(RESOLUTION - 0)
+
+    volt = ((float)val_14bit * 1000.0) * (vref / gain) / (0x01 << (14 - m));
+
+    return volt;
+}
+
+static int read(uint32_t channel, int32_t *adc_val)
+{
+    /* disable ssadc */
+    NRF_SAADC->ENABLE = 0;
+    /* stop ssadc */
+    NRF_SAADC->EVENTS_STOPPED = 0;
+    NRF_SAADC->TASKS_STOP     = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_STOPPED == 0);
+    /*
+        ref: p.381, nrf52840_PS_v1.1.pdf
+        Note: Oversampling should only be used when a single input channel is enabled, as averaging is
+        performed over all enabled channels.
+    */
+    NRF_SAADC->OVERSAMPLE = NRF_SAADC_OVERSAMPLE_DISABLED;
+    /* config analog input */
+    NRF_SAADC->CH[0].PSELP = NRF_SAADC_INPUT_AIN0 + channel;
+    NRF_SAADC->CH[0].PSELN = NRF_SAADC_INPUT_DISABLED;
+    NRF_SAADC->CH[0].CONFIG =
+        (NRF_SAADC_RESISTOR_DISABLED << SAADC_CH_CONFIG_RESP_Pos) |
+        (NRF_SAADC_RESISTOR_DISABLED << SAADC_CH_CONFIG_RESN_Pos) |
+        (m_gain << SAADC_CH_CONFIG_GAIN_Pos) |
+        (NRF_SAADC_REFERENCE_INTERNAL << SAADC_CH_CONFIG_REFSEL_Pos) |
+        (NRF_SAADC_ACQTIME_40US << SAADC_CH_CONFIG_TACQ_Pos) |
+        (NRF_SAADC_MODE_SINGLE_ENDED << SAADC_CH_CONFIG_MODE_Pos) |
+        (NRF_SAADC_BURST_DISABLED << SAADC_CH_CONFIG_BURST_Pos);
+    /* enable ssadc */
+    NRF_SAADC->ENABLE = 1;
+    /* read single channel */
+    uint16_t val             = 0;
+    NRF_SAADC->RESULT.PTR    = (uint32_t)&val;
+    NRF_SAADC->RESULT.MAXCNT = 1;
+    NRF_SAADC->EVENTS_END    = 0;
+    NRF_SAADC->TASKS_SAMPLE  = 1;
+    NRF_SAADC->TASKS_START   = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_END == 0);
+    /* disable ssadc */
+    NRF_SAADC->ENABLE = 0;
+    /* stop ssadc */
+    NRF_SAADC->TASKS_STOP = 1;
+    /* copy value */
+    *adc_val = val;
+    adc_convert_milivolt(m_gain, *adc_val, 0);
+    return 0;
+}
+
+static int read_channels(uint32_t *p_channel, int32_t *adc_val, uint32_t count)
+{
+    /* disable ssadc */
+    NRF_SAADC->ENABLE = 0;
+    /* stop ssadc */
+    NRF_SAADC->EVENTS_STOPPED = 0;
+    NRF_SAADC->TASKS_STOP     = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_STOPPED == 0);
+    /*
+        ref: p.381, nrf52840_PS_v1.1.pdf
+        Note: Oversampling should only be used when a single input channel is enabled, as averaging is
+        performed over all enabled channels.
+    */
+    NRF_SAADC->OVERSAMPLE = NRF_SAADC_OVERSAMPLE_DISABLED;
+    /* config analog inputs */
+    for (uint32_t i = 0; i < COUNTOF(NRF_SAADC->CH); i++)
+    {
+        if (i < count)
+        {
+            NRF_SAADC->CH[i].PSELP = NRF_SAADC_INPUT_AIN0 + p_channel[i];
+            NRF_SAADC->CH[i].PSELN = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].CONFIG =
+                (NRF_SAADC_RESISTOR_DISABLED << SAADC_CH_CONFIG_RESP_Pos) |
+                (NRF_SAADC_RESISTOR_DISABLED << SAADC_CH_CONFIG_RESN_Pos) |
+                (m_gain << SAADC_CH_CONFIG_GAIN_Pos) |
+                (NRF_SAADC_REFERENCE_INTERNAL << SAADC_CH_CONFIG_REFSEL_Pos) |
+                (NRF_SAADC_ACQTIME_40US << SAADC_CH_CONFIG_TACQ_Pos) |
+                (NRF_SAADC_MODE_SINGLE_ENDED << SAADC_CH_CONFIG_MODE_Pos) |
+                (NRF_SAADC_BURST_DISABLED << SAADC_CH_CONFIG_BURST_Pos);
+        }
+        else
+        {
+            NRF_SAADC->CH[i].PSELP  = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].PSELN  = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].CONFIG = 0;
+        }
+    }
+    /* enable ssadc */
+    NRF_SAADC->ENABLE = 1;
+    /* start convert */
+    uint16_t val[16]         = { 0 };
+    NRF_SAADC->RESULT.PTR    = (uint32_t)&val[0];
+    NRF_SAADC->RESULT.MAXCNT = count;
+    NRF_SAADC->EVENTS_END    = 0;
+    NRF_SAADC->TASKS_SAMPLE  = 1;
+    NRF_SAADC->TASKS_START   = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_END == 0);
+    /* disable ssadc */
+    NRF_SAADC->ENABLE = 0;
+    /* stop ssadc */
+    NRF_SAADC->TASKS_STOP = 1;
+    /* copy values */
+    for (uint32_t i = 0; i < count; i++)
+    {
+        adc_val[i] = val[i];
+    }
+    return 0;
+}
+
+static int read_channels_ex(uint32_t *p_channel, int32_t *adc_val, uint32_t count, void (*preliminary_callback)(void))
+{
+    /* disable ssadc */
+    NRF_SAADC->ENABLE = 0;
+    /* stop ssadc */
+    NRF_SAADC->EVENTS_STOPPED = 0;
+    NRF_SAADC->TASKS_STOP     = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_STOPPED == 0);
+    /*
+        ref: p.381, nrf52840_PS_v1.1.pdf
+        Note: Oversampling should only be used when a single input channel is enabled, as averaging is
+        performed over all enabled channels.
+    */
+    NRF_SAADC->OVERSAMPLE = NRF_SAADC_OVERSAMPLE_DISABLED;
+    /* config analog inputs */
+    for (uint32_t i = 0; i < COUNTOF(NRF_SAADC->CH); i++)
+    {
+        if (i < count)
+        {
+            NRF_SAADC->CH[i].PSELP = NRF_SAADC_INPUT_AIN0 + p_channel[i];
+            NRF_SAADC->CH[i].PSELN = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].CONFIG =
+                (NRF_SAADC_RESISTOR_DISABLED << SAADC_CH_CONFIG_RESP_Pos) |
+                (NRF_SAADC_RESISTOR_DISABLED << SAADC_CH_CONFIG_RESN_Pos) |
+                (m_gain << SAADC_CH_CONFIG_GAIN_Pos) |
+                (NRF_SAADC_REFERENCE_INTERNAL << SAADC_CH_CONFIG_REFSEL_Pos) |
+                (NRF_SAADC_ACQTIME_40US << SAADC_CH_CONFIG_TACQ_Pos) |
+                (NRF_SAADC_MODE_SINGLE_ENDED << SAADC_CH_CONFIG_MODE_Pos) |
+                (NRF_SAADC_BURST_DISABLED << SAADC_CH_CONFIG_BURST_Pos);
+        }
+        else
+        {
+            NRF_SAADC->CH[i].PSELP  = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].PSELN  = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].CONFIG = 0;
+        }
+    }
+    /* enable ssadc */
+    NRF_SAADC->ENABLE = 1;
+    /* disable irq */
+    __disable_irq();
+    /* do preliminary job */
+    if (preliminary_callback)
+    {
+        preliminary_callback();
+    }
+    /* start convert */
+    int16_t val[COUNTOF(NRF_SAADC->CH)] = { 0 };
+    NRF_SAADC->RESULT.PTR               = (uint32_t)&val[0];
+    NRF_SAADC->RESULT.MAXCNT            = count;
+    NRF_SAADC->EVENTS_END               = 0;
+    NRF_SAADC->TASKS_SAMPLE             = 1;
+    NRF_SAADC->TASKS_START              = 1;
+    /* enabl irq */
+    __enable_irq();
+    do {
+    } while (NRF_SAADC->EVENTS_END == 0);
+    /* disable ssadc */
+    NRF_SAADC->ENABLE = 0;
+    /* stop ssadc */
+    NRF_SAADC->TASKS_STOP = 1;
+    /* copy values */
+    for (uint32_t i = 0; i < count; i++)
+    {
+        adc_val[i] = val[i];
+    }
+    return 0;
+}
+
+static int gain(adc_gain_t gain)
+{
+    int ret;
+    switch (gain)
+    {
+        case GAIN_1P000:
+            m_gain = NRF_SAADC_GAIN1_6;
+            ret    = 0;
+            break;
+        case GAIN_1P200:
+            m_gain = NRF_SAADC_GAIN1_5;
+            ret    = 0;
+            break;
+        case GAIN_1P500:
+            m_gain = NRF_SAADC_GAIN1_4;
+            ret    = 0;
+            break;
+        case GAIN_2P000:
+            m_gain = NRF_SAADC_GAIN1_3;
+            ret    = 0;
+            break;
+        case GAIN_3P000:
+            m_gain = NRF_SAADC_GAIN1_2;
+            ret    = 0;
+            break;
+        case GAIN_6P000:
+            m_gain = NRF_SAADC_GAIN1;
+            ret    = 0;
+            break;
+        case GAIN_12P000:
+            m_gain = NRF_SAADC_GAIN2;
+            ret    = 0;
+            break;
+        case GAIN_24P000:
+            m_gain = NRF_SAADC_GAIN4;
+            ret    = 0;
+            break;
+        default:
+            m_gain = SAADC_CH_CONFIG_GAIN_Gain1_6;
+            ret    = -1;
+            break;
+    }
+    return ret;
+}
+
+static int read_multiple_milivolt_ex(uint32_t *p_channels, float *p_val, uint32_t count, void(*preliminary_action))
+{
+    int32_t int_val[16];
+    double f_val[16];
+
+    if (read_channels_ex(p_channels, int_val, count, preliminary_action) != 0)
+    {
+        return -1;
+    }
+
+    for (int i = 0; i < count; i++)
+    {
+        p_val[i] = adc_convert_milivolt(m_gain, int_val[i], false);
+    }
+
+    return 0;
+}
+
+static int adc_convert_multiple_milivolt(int32_t *p_val_14bit, float *p_val_f, uint32_t count)
+{
+    int32_t int_val[16];
+
+    for (int i = 0; i < count; i++)
+    {
+        int_val[i] = p_val_14bit[i]; // copy values
+        p_val_f[i] = adc_convert_milivolt(m_gain, int_val[i], false);
+    }
+
+    return 0;
+}
+
+const adc_drv_if_t builtin_saadc = {
+    .init                          = init,
+    .reset                         = reset,
+    .read                          = read,
+    .gain                          = gain,
+    .read_multiple_channels        = read_channels,
+    .read_multiple_channels_ex     = read_channels_ex,
+    .read_multiple_milivolt_ex     = read_multiple_milivolt_ex,
+    .adc_convert_multiple_milivolt = adc_convert_multiple_milivolt,
+};

builtin_saadc.h

@@ -0,0 +1,16 @@
+#ifndef __BUILTIN_SAADC_H__
+#define __BUILTIN_SAADC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "adc_drv_if.h"
+
+extern const adc_drv_if_t builtin_saadc;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __BUILTIN_SAADC_H__ */

cpg.h

@@ -0,0 +1,25 @@
+#ifndef __CPG_H__
+#define __CPG_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "elite.h"
+#include "elite_board.h"
+
+#define VERSION_DATE_YEAR   25
+#define VERSION_DATE_MONTH  4
+#define VERSION_DATE_DAY    9
+#define VERSION_DATE_HOUR   14
+#define VERSION_DATE_MINUTE 45
+
+    const elite_instance_t *cpg_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __CPG_H__ */

cpg11_io.c

@@ -0,0 +1,574 @@
+#include "elite_board.h"
+
+#include "nrf_gpio.h"
+#include "nrf_gpiote.h"
+#include "nrf_log.h"
+#include "nrf_spim.h"
+#include "nrf_timer.h"
+
+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "task.h"
+
+#pragma GCC optimize("O2")
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+
+typedef struct
+{
+    const uint32_t gpiote_idx[4];
+    NRF_TIMER_Type *TMR_A;
+    NRF_TIMER_Type *TMR_B;
+    uint32_t TMR_A_IRQn;
+    uint32_t TMR_B_IRQn;
+    pulse_gen_t *p_pulse_gen;
+    struct
+    {
+        pulse_gen_t *p_pulse_gen;
+        uint32_t len;
+        uint32_t select;
+    } private;
+} pulse_gen_hw_t;
+
+pulse_gen_hw_t pulse_gen_hw[] = {
+    {.gpiote_idx  = { 0, 1, 2, 3 },
+     .TMR_A       = NRF_TIMER1,
+     .TMR_B       = NRF_TIMER3,
+     .TMR_A_IRQn  = TIMER1_IRQn,
+     .TMR_B_IRQn  = TIMER3_IRQn,
+     .p_pulse_gen = NULL,
+     .private     = { NULL, 0, 0 }},
+    {.gpiote_idx  = { 4, 5, 6, 7 },
+     .TMR_A       = NRF_TIMER2,
+     .TMR_B       = NRF_TIMER4,
+     .TMR_A_IRQn  = TIMER2_IRQn,
+     .TMR_B_IRQn  = TIMER4_IRQn,
+     .p_pulse_gen = NULL,
+     .private     = { NULL, 0, 0 }},
+};
+
+__STATIC_INLINE void config_tmrB(uint32_t hw_idx, pulse_gen_t *p_pulse_gen)
+{
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[2]);
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[3]);
+
+    nrf_gpiote_task_configure(pulse_gen_hw[hw_idx].gpiote_idx[2], p_pulse_gen->VBxH, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+    nrf_gpiote_task_configure(pulse_gen_hw[hw_idx].gpiote_idx[3], p_pulse_gen->VAxL, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+
+    nrf_gpiote_task_enable(pulse_gen_hw[hw_idx].gpiote_idx[2]);
+    nrf_gpiote_task_enable(pulse_gen_hw[hw_idx].gpiote_idx[3]);
+
+    pulse_gen_hw[hw_idx].TMR_B->CC[0] = 1 + p_pulse_gen->point_us[3] * 16;
+    pulse_gen_hw[hw_idx].TMR_B->CC[1] = pulse_gen_hw[hw_idx].TMR_B->CC[0] + p_pulse_gen->point_us[4] * 16;
+    pulse_gen_hw[hw_idx].TMR_B->CC[2] = pulse_gen_hw[hw_idx].TMR_B->CC[1] + p_pulse_gen->point_us[5] * 16;
+    pulse_gen_hw[hw_idx].TMR_B->CC[3] = pulse_gen_hw[hw_idx].TMR_B->CC[2] + p_pulse_gen->point_us[6] * 16;
+}
+
+__STATIC_INLINE void cpg11_tmrB_cb(uint32_t hw_idx)
+{
+    if (pulse_gen_hw[hw_idx].TMR_B->EVENTS_COMPARE[3])
+    {
+        uint32_t sel = pulse_gen_hw[hw_idx].private.select;
+
+        pulse_gen_hw[hw_idx].TMR_B->EVENTS_COMPARE[3] = 0;
+
+        if (pulse_gen_hw[hw_idx].private.p_pulse_gen[sel].pulse_cnt > 0)
+        {
+            pulse_gen_hw[hw_idx].private.p_pulse_gen[sel].pulse_cnt--;
+        }
+
+        for (uint32_t i = 0; i < pulse_gen_hw[hw_idx].private.len; i++)
+        {
+            sel = (sel + 1) % pulse_gen_hw[hw_idx].private.len;
+            if (pulse_gen_hw[hw_idx].private.p_pulse_gen[sel].pulse_cnt > 0)
+            {
+                pulse_gen_hw[hw_idx].private.select = sel;
+                config_tmrB(hw_idx, &pulse_gen_hw[hw_idx].private.p_pulse_gen[sel]);
+                return;
+            }
+        }
+
+        pulse_gen_hw[hw_idx].TMR_A->TASKS_STOP = 1;
+        pulse_gen_hw[hw_idx].TMR_B->TASKS_STOP = 1;
+    }
+}
+
+__STATIC_INLINE void config_tmrA(uint32_t hw_idx, pulse_gen_t *p_pulse_gen)
+{
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[0]);
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[1]);
+
+    nrf_gpiote_task_configure(pulse_gen_hw[hw_idx].gpiote_idx[0], p_pulse_gen->VAxH, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+    nrf_gpiote_task_configure(pulse_gen_hw[hw_idx].gpiote_idx[1], p_pulse_gen->VBxL, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+
+    nrf_gpiote_task_enable(pulse_gen_hw[hw_idx].gpiote_idx[0]);
+    nrf_gpiote_task_enable(pulse_gen_hw[hw_idx].gpiote_idx[1]);
+
+    pulse_gen_hw[hw_idx].TMR_A->CC[0] = 1 + p_pulse_gen->idle_us * 16;
+    pulse_gen_hw[hw_idx].TMR_A->CC[1] = pulse_gen_hw[hw_idx].TMR_A->CC[0] + p_pulse_gen->point_us[0] * 16;
+    pulse_gen_hw[hw_idx].TMR_A->CC[2] = pulse_gen_hw[hw_idx].TMR_A->CC[1] + p_pulse_gen->point_us[1] * 16;
+    pulse_gen_hw[hw_idx].TMR_A->CC[3] = pulse_gen_hw[hw_idx].TMR_A->CC[2] + p_pulse_gen->point_us[2] * 16;
+}
+
+__STATIC_INLINE void cpg11_tmrA_cb(uint32_t hw_idx)
+{
+    if (pulse_gen_hw[hw_idx].TMR_A->EVENTS_COMPARE[3])
+    {
+        uint32_t sel = pulse_gen_hw[hw_idx].private.select;
+
+        pulse_gen_hw[hw_idx].TMR_A->EVENTS_COMPARE[3] = 0;
+
+        for (uint32_t i = 0; i < pulse_gen_hw[hw_idx].private.len; i++)
+        {
+            sel = (sel + 1) % pulse_gen_hw[hw_idx].private.len;
+            if (pulse_gen_hw[hw_idx].private.p_pulse_gen[sel].pulse_cnt > 0)
+            {
+                config_tmrA(hw_idx, &pulse_gen_hw[hw_idx].private.p_pulse_gen[sel]);
+                return;
+            }
+        }
+    }
+}
+
+void TIMER1_IRQHandler(void)
+{
+    cpg11_tmrA_cb(0);
+}
+
+void TIMER3_IRQHandler(void)
+{
+    cpg11_tmrB_cb(0);
+}
+
+void TIMER2_IRQHandler(void)
+{
+    cpg11_tmrA_cb(1);
+}
+
+void TIMER4_IRQHandler(void)
+{
+    cpg11_tmrB_cb(1);
+}
+
+void cpg11_pulse_suspend_by_pulse_id(uint32_t pulse_id)
+{
+    for (uint32_t i = 0; i < COUNTOF(pulse_gen_hw); i++)
+    {
+        for (uint32_t j = 0; j < pulse_gen_hw[i].private.len; j++)
+        {
+            if (pulse_gen_hw[i].private.p_pulse_gen[j].pulse_id == pulse_id)
+            {
+                taskENTER_CRITICAL();
+                pulse_gen_hw[i].private.p_pulse_gen[j].VAxH = 0xFFFFFFFF;
+                pulse_gen_hw[i].private.p_pulse_gen[j].VBxH = 0xFFFFFFFF;
+                pulse_gen_hw[i].private.p_pulse_gen[j].VAxL = 0xFFFFFFFF;
+                pulse_gen_hw[i].private.p_pulse_gen[j].VBxL = 0xFFFFFFFF;
+                taskEXIT_CRITICAL();
+            }
+        }
+    }
+}
+
+void cpg11_pulse_resume_by_pulse_id(uint32_t pulse_id)
+{
+    for (uint32_t i = 0; i < COUNTOF(pulse_gen_hw); i++)
+    {
+        for (uint32_t j = 0; j < pulse_gen_hw[i].private.len; j++)
+        {
+            if (pulse_gen_hw[i].private.p_pulse_gen[j].pulse_id == pulse_id)
+            {
+                taskENTER_CRITICAL();
+                pulse_gen_hw[i].private.p_pulse_gen[j].VAxH = pulse_gen_hw[i].p_pulse_gen[j].VAxH;
+                pulse_gen_hw[i].private.p_pulse_gen[j].VBxH = pulse_gen_hw[i].p_pulse_gen[j].VBxH;
+                pulse_gen_hw[i].private.p_pulse_gen[j].VAxL = pulse_gen_hw[i].p_pulse_gen[j].VAxL;
+                pulse_gen_hw[i].private.p_pulse_gen[j].VBxL = pulse_gen_hw[i].p_pulse_gen[j].VBxL;
+                taskEXIT_CRITICAL();
+            }
+        }
+    }
+}
+
+void cpg11_pulse_stop(uint32_t hw_idx)
+{
+    pulse_gen_hw[hw_idx].TMR_B->TASKS_STOP = 1;
+    pulse_gen_hw[hw_idx].TMR_A->TASKS_STOP = 1;
+
+    sd_nvic_DisableIRQ(pulse_gen_hw[hw_idx].TMR_B_IRQn);
+    sd_nvic_ClearPendingIRQ(pulse_gen_hw[hw_idx].TMR_B_IRQn);
+
+    sd_nvic_DisableIRQ(pulse_gen_hw[hw_idx].TMR_A_IRQn);
+    sd_nvic_ClearPendingIRQ(pulse_gen_hw[hw_idx].TMR_A_IRQn);
+
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[0]);
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[1]);
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[2]);
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[3]);
+}
+
+void cpg11_pulse_start(uint32_t hw_idx, pulse_gen_t *p_pulse_gen)
+{
+    pulse_gen_hw[hw_idx].TMR_B->TASKS_STOP = 1;
+    pulse_gen_hw[hw_idx].TMR_A->TASKS_STOP = 1;
+
+    sd_nvic_DisableIRQ(pulse_gen_hw[hw_idx].TMR_B_IRQn);
+    sd_nvic_ClearPendingIRQ(pulse_gen_hw[hw_idx].TMR_B_IRQn);
+
+    sd_nvic_DisableIRQ(pulse_gen_hw[hw_idx].TMR_A_IRQn);
+    sd_nvic_ClearPendingIRQ(pulse_gen_hw[hw_idx].TMR_A_IRQn);
+
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[0]);
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[1]);
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[2]);
+    nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[3]);
+
+    nrf_gpiote_task_configure(pulse_gen_hw[hw_idx].gpiote_idx[0], p_pulse_gen->VAxH, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+    nrf_gpiote_task_configure(pulse_gen_hw[hw_idx].gpiote_idx[1], p_pulse_gen->VBxL, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+    nrf_gpiote_task_configure(pulse_gen_hw[hw_idx].gpiote_idx[2], p_pulse_gen->VBxH, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+    nrf_gpiote_task_configure(pulse_gen_hw[hw_idx].gpiote_idx[3], p_pulse_gen->VAxL, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+
+    nrf_gpiote_task_enable(pulse_gen_hw[hw_idx].gpiote_idx[0]);
+    nrf_gpiote_task_enable(pulse_gen_hw[hw_idx].gpiote_idx[1]);
+    nrf_gpiote_task_enable(pulse_gen_hw[hw_idx].gpiote_idx[2]);
+    nrf_gpiote_task_enable(pulse_gen_hw[hw_idx].gpiote_idx[3]);
+
+    uint32_t offs = 8 * hw_idx;
+
+    NRF_PPI->CH[offs + 0].EEP = (uint32_t)&pulse_gen_hw[hw_idx].TMR_A->EVENTS_COMPARE[0];
+    NRF_PPI->CH[offs + 0].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[pulse_gen_hw[hw_idx].gpiote_idx[0]];
+    NRF_PPI->CHENSET          = (1 << (offs + 0));
+
+    NRF_PPI->CH[offs + 1].EEP = (uint32_t)&pulse_gen_hw[hw_idx].TMR_A->EVENTS_COMPARE[1];
+    NRF_PPI->CH[offs + 1].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[pulse_gen_hw[hw_idx].gpiote_idx[1]];
+    NRF_PPI->CHENSET          = (1 << (offs + 1));
+
+    NRF_PPI->CH[offs + 2].EEP = (uint32_t)&pulse_gen_hw[hw_idx].TMR_A->EVENTS_COMPARE[2];
+    NRF_PPI->CH[offs + 2].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[pulse_gen_hw[hw_idx].gpiote_idx[1]];
+    NRF_PPI->CHENSET          = (1 << (offs + 2));
+
+    NRF_PPI->CH[offs + 3].EEP   = (uint32_t)&pulse_gen_hw[hw_idx].TMR_A->EVENTS_COMPARE[3];
+    NRF_PPI->CH[offs + 3].TEP   = (uint32_t)&NRF_GPIOTE->TASKS_OUT[pulse_gen_hw[hw_idx].gpiote_idx[0]];
+    NRF_PPI->FORK[offs + 3].TEP = (uint32_t)&pulse_gen_hw[hw_idx].TMR_B->TASKS_START;
+    NRF_PPI->CHENSET            = (1 << (offs + 3));
+
+    NRF_PPI->CH[offs + 4].EEP = (uint32_t)&pulse_gen_hw[hw_idx].TMR_B->EVENTS_COMPARE[0];
+    NRF_PPI->CH[offs + 4].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[pulse_gen_hw[hw_idx].gpiote_idx[2]];
+    NRF_PPI->CHENSET          = (1 << (offs + 4));
+
+    NRF_PPI->CH[offs + 5].EEP = (uint32_t)&pulse_gen_hw[hw_idx].TMR_B->EVENTS_COMPARE[1];
+    NRF_PPI->CH[offs + 5].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[pulse_gen_hw[hw_idx].gpiote_idx[3]];
+    NRF_PPI->CHENSET          = (1 << (offs + 5));
+
+    NRF_PPI->CH[offs + 6].EEP = (uint32_t)&pulse_gen_hw[hw_idx].TMR_B->EVENTS_COMPARE[2];
+    NRF_PPI->CH[offs + 6].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[pulse_gen_hw[hw_idx].gpiote_idx[3]];
+    NRF_PPI->CHENSET          = (1 << (offs + 6));
+
+    NRF_PPI->CH[offs + 7].EEP   = (uint32_t)&pulse_gen_hw[hw_idx].TMR_B->EVENTS_COMPARE[3];
+    NRF_PPI->CH[offs + 7].TEP   = (uint32_t)&NRF_GPIOTE->TASKS_OUT[pulse_gen_hw[hw_idx].gpiote_idx[2]];
+    NRF_PPI->FORK[offs + 7].TEP = (uint32_t)&pulse_gen_hw[hw_idx].TMR_A->TASKS_START;
+    NRF_PPI->CHENSET            = (1 << (offs + 7));
+
+    pulse_gen_hw[hw_idx].TMR_B->TASKS_CLEAR = 1;
+    pulse_gen_hw[hw_idx].TMR_A->TASKS_CLEAR = 1;
+
+    pulse_gen_hw[hw_idx].TMR_B->CC[0]    = 1 + p_pulse_gen->point_us[3] * 16;
+    pulse_gen_hw[hw_idx].TMR_B->CC[1]    = pulse_gen_hw[hw_idx].TMR_B->CC[0] + p_pulse_gen->point_us[4] * 16;
+    pulse_gen_hw[hw_idx].TMR_B->CC[2]    = pulse_gen_hw[hw_idx].TMR_B->CC[1] + p_pulse_gen->point_us[5] * 16;
+    pulse_gen_hw[hw_idx].TMR_B->CC[3]    = pulse_gen_hw[hw_idx].TMR_B->CC[2] + p_pulse_gen->point_us[6] * 16;
+    pulse_gen_hw[hw_idx].TMR_B->SHORTS   = NRF_TIMER_SHORT_COMPARE3_STOP_MASK | NRF_TIMER_SHORT_COMPARE3_CLEAR_MASK;
+    pulse_gen_hw[hw_idx].TMR_B->INTENSET = NRF_TIMER_INT_COMPARE3_MASK;
+
+    pulse_gen_hw[hw_idx].TMR_A->CC[0]    = 1;
+    pulse_gen_hw[hw_idx].TMR_A->CC[1]    = pulse_gen_hw[hw_idx].TMR_A->CC[0] + p_pulse_gen->point_us[0] * 16;
+    pulse_gen_hw[hw_idx].TMR_A->CC[2]    = pulse_gen_hw[hw_idx].TMR_A->CC[1] + p_pulse_gen->point_us[1] * 16;
+    pulse_gen_hw[hw_idx].TMR_A->CC[3]    = pulse_gen_hw[hw_idx].TMR_A->CC[2] + p_pulse_gen->point_us[2] * 16;
+    pulse_gen_hw[hw_idx].TMR_A->SHORTS   = NRF_TIMER_SHORT_COMPARE3_STOP_MASK | NRF_TIMER_SHORT_COMPARE3_CLEAR_MASK;
+    pulse_gen_hw[hw_idx].TMR_A->INTENSET = NRF_TIMER_INT_COMPARE3_MASK;
+
+    sd_nvic_EnableIRQ(pulse_gen_hw[hw_idx].TMR_A_IRQn);
+    sd_nvic_EnableIRQ(pulse_gen_hw[hw_idx].TMR_B_IRQn);
+
+    pulse_gen_hw[hw_idx].TMR_A->TASKS_START = 1;
+}
+
+void cpg11_pulse_init(uint32_t hw_idx, pulse_gen_t *p_pulse_gen, uint32_t len)
+{
+    taskENTER_CRITICAL();
+
+    if (pulse_gen_hw[hw_idx].private.p_pulse_gen != NULL)
+    {
+        pulse_gen_hw[hw_idx].TMR_B->TASKS_STOP = 1;
+        pulse_gen_hw[hw_idx].TMR_A->TASKS_STOP = 1;
+
+        sd_nvic_DisableIRQ(pulse_gen_hw[hw_idx].TMR_B_IRQn);
+        sd_nvic_ClearPendingIRQ(pulse_gen_hw[hw_idx].TMR_B_IRQn);
+
+        sd_nvic_DisableIRQ(pulse_gen_hw[hw_idx].TMR_A_IRQn);
+        sd_nvic_ClearPendingIRQ(pulse_gen_hw[hw_idx].TMR_A_IRQn);
+
+        nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[0]);
+        nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[1]);
+        nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[2]);
+        nrf_gpiote_task_disable(pulse_gen_hw[hw_idx].gpiote_idx[3]);
+
+        vPortFree(pulse_gen_hw[hw_idx].private.p_pulse_gen);
+    }
+
+    uint32_t swap_idle_us = p_pulse_gen[len - 1].idle_us;
+    for (int i = len - 1; i > 0; i--)
+    {
+        p_pulse_gen[i].idle_us = p_pulse_gen[i - 1].idle_us;
+    }
+    p_pulse_gen[0].idle_us = swap_idle_us;
+
+    pulse_gen_hw[hw_idx].p_pulse_gen    = p_pulse_gen;
+    pulse_gen_hw[hw_idx].private.len    = len;
+    pulse_gen_hw[hw_idx].private.select = 0;
+
+    pulse_gen_hw[hw_idx].private.p_pulse_gen = pvPortMalloc(sizeof(pulse_gen_t) * len);
+    memcpy(pulse_gen_hw[hw_idx].private.p_pulse_gen, pulse_gen_hw[hw_idx].p_pulse_gen, sizeof(*p_pulse_gen) * len);
+
+    taskEXIT_CRITICAL();
+};
+
+void cpg_pulse_default_demo_ext(void)
+{
+    bool e1 = 1;
+    bool e2 = 1;
+    bool e3 = 1;
+    bool e4 = 1;
+    pulse_gen_t p_pulse_genA[2];
+    pulse_gen_t p_pulse_genB[2];
+
+    p_pulse_genA[0] = (pulse_gen_t) {
+        .VBxH        = VB1H_PIN,
+        .VBxL        = VB1L_PIN,
+        .VAxH        = VA1H_PIN,
+        .VAxL        = VA1L_PIN,
+        .point_us[0] = 1,
+        .point_us[1] = 50,
+        .point_us[2] = 1,
+        .point_us[3] = 0,
+        .point_us[4] = 1,
+        .point_us[5] = 50,
+        .point_us[6] = 1,
+        .idle_us     = 1000,
+        .pulse_cnt   = UINT32_MAX,
+        .pulse_id    = PULSE_ID_A,
+    };
+
+    p_pulse_genA[1] = (pulse_gen_t) {
+        .VBxH        = VB2H_PIN,
+        .VBxL        = VB2L_PIN,
+        .VAxH        = VA2H_PIN,
+        .VAxL        = VA2L_PIN,
+        .point_us[0] = 1,
+        .point_us[1] = 100,
+        .point_us[2] = 1,
+        .point_us[3] = 0,
+        .point_us[4] = 1,
+        .point_us[5] = 100,
+        .point_us[6] = 1,
+        .idle_us     = 2000,
+        .pulse_cnt   = UINT32_MAX,
+        .pulse_id    = PULSE_ID_B,
+    };
+
+    p_pulse_genB[0] = (pulse_gen_t) {
+        .VBxH        = VB3H_PIN,
+        .VBxL        = VB3L_PIN,
+        .VAxH        = VA3H_PIN,
+        .VAxL        = VA3L_PIN,
+        .point_us[0] = 1,
+        .point_us[1] = 150,
+        .point_us[2] = 1,
+        .point_us[3] = 0,
+        .point_us[4] = 1,
+        .point_us[5] = 150,
+        .point_us[6] = 1,
+        .idle_us     = 3000,
+        .pulse_cnt   = UINT32_MAX,
+        .pulse_id    = PULSE_ID_C,
+    };
+
+    p_pulse_genB[1] = (pulse_gen_t) {
+        .VBxH        = VB4H_PIN,
+        .VBxL        = VB4L_PIN,
+        .VAxH        = VA4H_PIN,
+        .VAxL        = VA4L_PIN,
+        .point_us[0] = 1,
+        .point_us[1] = 200,
+        .point_us[2] = 1,
+        .point_us[3] = 0,
+        .point_us[4] = 1,
+        .point_us[5] = 200,
+        .point_us[6] = 1,
+        .idle_us     = 4000,
+        .pulse_cnt   = UINT32_MAX,
+        .pulse_id    = PULSE_ID_D,
+    };
+
+    if (e1)
+    {
+        nrf_gpio_pin_clear(p_pulse_genA[0].VBxL);
+        nrf_gpio_pin_clear(p_pulse_genA[0].VBxH);
+        nrf_gpio_pin_clear(p_pulse_genA[0].VAxL);
+        nrf_gpio_pin_clear(p_pulse_genA[0].VAxH);
+    }
+
+    if (e2)
+    {
+        nrf_gpio_pin_clear(p_pulse_genA[1].VBxL);
+        nrf_gpio_pin_clear(p_pulse_genA[1].VBxH);
+        nrf_gpio_pin_clear(p_pulse_genA[1].VAxL);
+        nrf_gpio_pin_clear(p_pulse_genA[1].VAxH);
+    }
+
+    if (e3)
+    {
+        nrf_gpio_pin_clear(p_pulse_genB[0].VBxL);
+        nrf_gpio_pin_clear(p_pulse_genB[0].VBxH);
+        nrf_gpio_pin_clear(p_pulse_genB[0].VAxL);
+        nrf_gpio_pin_clear(p_pulse_genB[0].VAxH);
+    }
+
+    if (e4)
+    {
+        nrf_gpio_pin_clear(p_pulse_genB[1].VBxL);
+        nrf_gpio_pin_clear(p_pulse_genB[1].VBxH);
+        nrf_gpio_pin_clear(p_pulse_genB[1].VAxL);
+        nrf_gpio_pin_clear(p_pulse_genB[1].VAxH);
+    }
+
+    if (e1 && e2)
+    {
+        cpg11_pulse_init(0, p_pulse_genA, 2);
+        cpg11_pulse_start(0, p_pulse_genA);
+    }
+    else if (e1 && e2 == 0)
+    {
+        cpg11_pulse_init(0, p_pulse_genA, 1);
+        cpg11_pulse_start(0, p_pulse_genA);
+    }
+    else if (e2 && e1 == 0)
+    {
+        cpg11_pulse_init(0, &p_pulse_genA[1], 1);
+        cpg11_pulse_start(0, &p_pulse_genA[1]);
+    }
+
+    if (e3 && e4)
+    {
+        cpg11_pulse_init(1, p_pulse_genB, 2);
+        cpg11_pulse_start(1, p_pulse_genB);
+    }
+    else if (e3 && e4 == 0)
+    {
+        cpg11_pulse_init(1, p_pulse_genB, 1);
+        cpg11_pulse_start(1, p_pulse_genB);
+    }
+    else if (e4 && e3 == 0)
+    {
+        cpg11_pulse_init(1, &p_pulse_genB[1], 1);
+        cpg11_pulse_start(1, &p_pulse_genB[1]);
+    }
+}
+
+void cpg11_io_init(void)
+{
+    const uint32_t pel_pins_default_high[] = {
+        LED_R_PIN,
+        LED_G_PIN,
+        CS_MEM_PIN,
+        ADPT_CLR_PIN,
+        ADPT_LE_PIN
+    };
+
+    const uint32_t pel_pins_default_low[] = {
+        LED_B_PIN,
+        TW_SCKI_0_PIN,
+        TW_SCKI_1_PIN,
+        ADPT_CLK_PIN,
+        HV_EN_PIN,
+        SPIM_CLK_PIN,
+        SPIM_MOSI_PIN,
+        SPIM_MISO_PIN,
+        ADPT0_S4_PIN,
+        ADPT0_S3_PIN,
+        ADPT0_S2_PIN,
+        ADPT0_S1_PIN,
+        ADPT1_S4_PIN,
+        ADPT1_S3_PIN,
+        ADPT1_S2_PIN,
+        ADPT1_S1_PIN,
+
+        VB1L_PIN,
+        VB1H_PIN,
+        VA1L_PIN,
+        VA1H_PIN,
+
+        VB2L_PIN,
+        VB2H_PIN,
+        VA2L_PIN,
+        VA2H_PIN,
+
+        VB3L_PIN,
+        VB3H_PIN,
+        VA3L_PIN,
+        VA3H_PIN,
+
+        VB4L_PIN,
+        VB4H_PIN,
+        VA4L_PIN,
+        VA4H_PIN,
+    };
+
+    for (int i = 0; i < COUNTOF(pel_pins_default_high); i++)
+    {
+        nrf_gpio_cfg_output(pel_pins_default_high[i]);
+        nrf_gpio_pin_set(pel_pins_default_high[i]);
+    }
+
+    for (int i = 0; i < COUNTOF(pel_pins_default_low); i++)
+    {
+        nrf_gpio_cfg_output(pel_pins_default_low[i]);
+        nrf_gpio_pin_clear(pel_pins_default_low[i]);
+    }
+
+    nrf_gpio_cfg_input(AIN0_PIN, NRF_GPIO_PIN_NOPULL);
+    nrf_gpio_cfg_input(AIN1_PIN, NRF_GPIO_PIN_NOPULL);
+
+    for (uint32_t i = 0; i < COUNTOF(pulse_gen_hw); i++)
+    {
+        pulse_gen_hw[i].TMR_B->PRESCALER = NRF_TIMER_FREQ_16MHz;
+        pulse_gen_hw[i].TMR_B->MODE      = NRF_TIMER_MODE_TIMER;
+        pulse_gen_hw[i].TMR_B->BITMODE   = NRF_TIMER_BIT_WIDTH_32;
+
+        pulse_gen_hw[i].TMR_A->PRESCALER = NRF_TIMER_FREQ_16MHz;
+        pulse_gen_hw[i].TMR_A->MODE      = NRF_TIMER_MODE_TIMER;
+        pulse_gen_hw[i].TMR_A->BITMODE   = NRF_TIMER_BIT_WIDTH_32;
+
+        sd_nvic_SetPriority(pulse_gen_hw[i].TMR_B_IRQn, _PRIO_APP_HIGH);
+        sd_nvic_SetPriority(pulse_gen_hw[i].TMR_A_IRQn, _PRIO_APP_HIGH);
+    }
+
+    for (int i = 0; i < 2; i++)
+    {
+        pulse_gen_hw[i].p_pulse_gen[0].VAxH         = 0xFFFFFFFF;
+        pulse_gen_hw[i].p_pulse_gen[0].VBxH         = 0xFFFFFFFF;
+        pulse_gen_hw[i].p_pulse_gen[0].VAxL         = 0xFFFFFFFF;
+        pulse_gen_hw[i].p_pulse_gen[0].VBxL         = 0xFFFFFFFF;
+        pulse_gen_hw[i].p_pulse_gen[1].VAxH         = 0xFFFFFFFF;
+        pulse_gen_hw[i].p_pulse_gen[1].VBxH         = 0xFFFFFFFF;
+        pulse_gen_hw[i].p_pulse_gen[1].VAxL         = 0xFFFFFFFF;
+        pulse_gen_hw[i].p_pulse_gen[1].VBxL         = 0xFFFFFFFF;
+        pulse_gen_hw[i].private.p_pulse_gen[0].VAxH = 0xFFFFFFFF;
+        pulse_gen_hw[i].private.p_pulse_gen[0].VBxH = 0xFFFFFFFF;
+        pulse_gen_hw[i].private.p_pulse_gen[0].VAxL = 0xFFFFFFFF;
+        pulse_gen_hw[i].private.p_pulse_gen[0].VBxL = 0xFFFFFFFF;
+        pulse_gen_hw[i].private.p_pulse_gen[1].VAxH = 0xFFFFFFFF;
+        pulse_gen_hw[i].private.p_pulse_gen[1].VBxH = 0xFFFFFFFF;
+        pulse_gen_hw[i].private.p_pulse_gen[1].VAxL = 0xFFFFFFFF;
+        pulse_gen_hw[i].private.p_pulse_gen[1].VBxL = 0xFFFFFFFF;
+    }
+}
+
+#endif

cpg11_io.h

@@ -0,0 +1,98 @@
+#ifndef __CPG10_IO_H__
+#define __CPG10_IO_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "elite_board.h"
+#include "nrf_gpio.h"
+#include "nrf_spim.h"
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+
+#define UNDEF_GPIO      0xFFFFFFFF
+#define VA1H_PIN        NRF_GPIO_PIN_MAP(0, 22)
+#define VA1L_PIN        NRF_GPIO_PIN_MAP(0, 25)
+#define VB1H_PIN        NRF_GPIO_PIN_MAP(0, 19)
+#define VB1L_PIN        NRF_GPIO_PIN_MAP(0, 21)
+#define VA2H_PIN        NRF_GPIO_PIN_MAP(0, 17)
+#define VA2L_PIN        NRF_GPIO_PIN_MAP(0, 20)
+#define TW_SCKI_0_PIN   NRF_GPIO_PIN_MAP(0, 14)
+#define TW_SCKI_1_PIN   NRF_GPIO_PIN_MAP(0, 13)
+#define ADPT_CLK_PIN    NRF_GPIO_PIN_MAP(0, 11)
+#define HV_EN_PIN       NRF_GPIO_PIN_MAP(1, 8)
+#define SPIM_CLK_PIN    NRF_GPIO_PIN_MAP(0, 12)
+#define SPIM_MISO_PIN   NRF_GPIO_PIN_MAP(1, 9)
+#define VB2H_PIN        NRF_GPIO_PIN_MAP(0, 8)
+#define VB2L_PIN        NRF_GPIO_PIN_MAP(0, 6)
+#define VA3H_PIN        NRF_GPIO_PIN_MAP(0, 5)
+#define VA3L_PIN        NRF_GPIO_PIN_MAP(0, 27)
+#define VB3H_PIN        NRF_GPIO_PIN_MAP(0, 26)
+#define VB3L_PIN        NRF_GPIO_PIN_MAP(0, 4)
+#define VA4H_PIN        NRF_GPIO_PIN_MAP(0, 1)
+#define VA4L_PIN        NRF_GPIO_PIN_MAP(0, 0)
+#define ADPT_LE_PIN     NRF_GPIO_PIN_MAP(0, 31)
+#define ADPT_CLR_PIN    NRF_GPIO_PIN_MAP(1, 15)
+#define CS_MEM_PIN      NRF_GPIO_PIN_MAP(0, 2)
+#define AIN0_PIN        NRF_GPIO_PIN_MAP(0, 30)
+#define AIN1_PIN        NRF_GPIO_PIN_MAP(0, 28)
+#define ADPT0_S4_PIN    NRF_GPIO_PIN_MAP(1, 12)
+#define ADPT0_S3_PIN    NRF_GPIO_PIN_MAP(1, 14)
+#define ADPT0_S2_PIN    NRF_GPIO_PIN_MAP(0, 3)
+#define ADPT0_S1_PIN    NRF_GPIO_PIN_MAP(1, 13)
+#define ADPT1_S4_PIN    NRF_GPIO_PIN_MAP(1, 3)
+#define ADPT1_S3_PIN    NRF_GPIO_PIN_MAP(1, 10)
+#define ADPT1_S2_PIN    NRF_GPIO_PIN_MAP(1, 6)
+#define ADPT1_S1_PIN    NRF_GPIO_PIN_MAP(1, 11)
+#define LED_R_PIN       NRF_GPIO_PIN_MAP(0, 10)
+#define LED_G_PIN       NRF_GPIO_PIN_MAP(0, 9)
+#define LED_B_PIN       NRF_GPIO_PIN_MAP(1, 2)
+#define VB4H_PIN        NRF_GPIO_PIN_MAP(0, 24)
+#define VB4L_PIN        NRF_GPIO_PIN_MAP(0, 23)
+#define SPIM_MOSI_PIN   NRF_GPIO_PIN_MAP(0, 7)
+#define TW_SDI_PIN      NRF_GPIO_PIN_MAP(0, 7)
+#define ADPT_DIN_PIN    NRF_GPIO_PIN_MAP(0, 7)
+#define UNCONNECTED_PIN NRF_GPIO_PIN_MAP(0, 2)
+
+#define PULSE_ID_NULL   0
+#define PULSE_ID_A      1
+#define PULSE_ID_B      2
+#define PULSE_ID_C      3
+#define PULSE_ID_D      4
+
+    typedef struct
+    {
+        uint32_t VAxH;
+        uint32_t VAxL;
+        uint32_t VBxH;
+        uint32_t VBxL;
+        uint32_t idle_us;     // min: 500us, max: 60sec
+        uint32_t point_us[7]; // toggle point timestamp
+        uint32_t pulse_cnt;   // min: 1, max: 0xFFFFFFFF
+        uint32_t pulse_id;    // NO_USE_IRQ / USE_TIMER1_IRQ / USE_TIMER2_IRQ
+    } pulse_gen_t;
+
+    void spim_xfer(uint32_t cs_pin,
+                   nrf_spim_mode_t spi_mode,
+                   uint8_t *p_tx_buffer,
+                   uint16_t tx_buffer_length,
+                   uint8_t *p_rx_buf,
+                   uint16_t rx_buffer_length);
+
+    void cpg11_io_init(void);
+    void cpg11_pulse_init(uint32_t hw_idx, pulse_gen_t *p_pulse_gen, uint32_t len);
+    void cpg11_pulse_start(uint32_t idx, pulse_gen_t *p_pulse_gen);
+    void cpg11_pulse_stop(uint32_t hw_idx);
+    void cpg11_pulse_suspend_by_pulse_id(uint32_t pulse_id);
+    void cpg11_pulse_resume_by_pulse_id(uint32_t pulse_id);
+
+#endif /* ! DEF_ELITE_MODEL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __CPG10_IO_H__ */

dac_drv.c

@@ -0,0 +1,48 @@
+#include "dac_drv.h"
+
+#if (DEF_MAX5136_ENABLED)
+extern dac_drv_if_t max5316_drv;
+static const dac_drv_if_t *p_inst = &max5316_drv;
+#else
+static dac_drv_if_t *p_inst = NULL;
+#endif /* ! DEF_MAX5136_ENABLED */
+
+#if (DEF_DAC_DRV_ENABLED)
+
+int dac_init(void)
+{
+    if (p_inst == NULL)
+    {
+        return DAC_DRV_ERROR;
+    }
+    return p_inst->init();
+}
+
+int dac_write(uint32_t channel_mask, int32_t dac_val)
+{
+    if (p_inst == NULL)
+    {
+        return DAC_DRV_ERROR;
+    }
+    return p_inst->write_mode(channel_mask, dac_val);
+}
+
+int dac_load(uint32_t channel_mask)
+{
+    if (p_inst == NULL)
+    {
+        return DAC_DRV_ERROR;
+    }
+    return p_inst->ldac_mode(channel_mask);
+}
+
+int dac_write_through(uint32_t channel_mask, int32_t dac_val)
+{
+    if (p_inst == NULL)
+    {
+        return DAC_DRV_ERROR;
+    }
+    return p_inst->write_through_mode(channel_mask, dac_val);
+}
+
+#endif /* ! DEF_DAC_DRV_ENABLED */

dac_drv.h

@@ -0,0 +1,61 @@
+#ifndef __DAC_DRV_H__
+#define __DAC_DRV_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "dac_drv_if.h"
+
+#define DAC_DRV_ERROR   (-1)
+#define DAC_DRV_SUCCESS (0)
+
+#define DAC_CH0         (0x01 << 0)
+#define DAC_CH1         (0x01 << 1)
+#define DAC_CH2         (0x01 << 2)
+#define DAC_CH3         (0x01 << 3)
+
+#if (DEF_DAC_DRV_ENABLED)
+int dac_init(void);
+int dac_load(uint32_t channel_mask);
+
+/*
+   single channel output example:
+        ...
+        dac_write(DAC_CH0, 128);
+        dac_load(DAC_CH0);
+        ...
+
+   muti-channel output example:
+        ...
+        dac_write(DAC_CH0 | DAC_CH1, 128);
+        dac_load(DAC_CH0 | DAC_CH1);
+        ...
+*/
+int dac_write(uint32_t channel_mask, int32_t dac_val);
+
+/*
+   single channel output example:
+        ...
+        dac_write_through(DAC_CH0, 128);
+        ...
+
+   muti-channel output example:
+        ...
+        dac_write_through(DAC_CH0 | DAC_CH1, 128);
+        ...
+*/
+int dac_write_through(uint32_t channel_mask, int32_t dac_val);
+#else
+#define dac_init();
+#define dac_load(x);
+#define dac_write(x, y);
+#define dac_write_through(x, y);
+#endif /* ! DEF_DAC_DRV_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __DAC_DRV_H__ */

dac_drv_if.h

@@ -0,0 +1,30 @@
+#ifndef __DAC_DRV_IF_H__
+#define __DAC_DRV_IF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#define DAC0  (0x01 << 0)
+#define DAC1  (0x01 << 1)
+#define DAC2  (0x01 << 2)
+#define DAC3  (0x01 << 3)
+
+typedef struct
+{
+    int (*init)(void);
+    int (*write_mode)(uint32_t channel_mask, int32_t volts);
+    int (*ldac_mode)(uint32_t channel_mask);
+    int (*write_through_mode)(uint32_t channel_mask, int32_t volts);
+    int (*power_control_mode)(uint32_t channel_mask, uint32_t ready_enable);
+    int (*reset)(void);
+} dac_drv_if_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __DAC_DRV_IF_H__ */

dfu_over_usb.py

@@ -0,0 +1,28 @@
+import os
+import sys
+import serial.tools.list_ports
+
+def find_com_port(vid, pid):
+    ports = serial.tools.list_ports.comports()
+    for port in ports:
+        if port.vid == vid and port.pid == pid:
+            print(f"Found device: {port.device}")
+            print(f"Description: {port.description}")
+            print(f"HWID: {port.hwid}")
+            return port.device
+    print(f"No COM port found for VID={vid:04X}, PID={pid:04X}")
+    return None
+
+def main(args): 
+    os.chdir(os.path.dirname(os.path.realpath(__file__)))
+    portname = find_com_port(0x1915, 0x521F)
+    if portname is None:
+        return
+    else:
+        os.system('nrfutil dfu usb-serial -pkg OTA_bmd380_peripheral.zip -b 115200 -p ' + portname)
+
+
+if __name__ == '__main__':
+    main(sys.argv)
+
+#nrfutil dfu usb-serial -pkg OTA_bmd380_peripheral.zip -snr DC051F1F71DA

edc.h

@@ -0,0 +1,142 @@
+#ifndef __EDC_H__
+#define __EDC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "dac_drv.h"
+#include "elite_def.h"
+#include <stdbool.h>
+#include <stdint.h>
+
+/** Iin, Vin, Vout **/
+#define RIS_ADC_IIN       0x00
+#define RIS_ADC_VIN       0x01
+#define RIS_DAC_VOUT      0x02
+#define RIS_HIGH_Z        0x03
+#define RIS_ADC_VOUT      0x04
+#define RIS_ADC_BAT       0x05
+
+// ADC Iin gain level !!! move to ADC.h in future
+#define I_GAIN_3M         0x00 // lv0,largest gain
+#define I_GAIN_100K       0x01 // lv1
+#define I_GAIN_3K         0x02 // lv2
+#define I_GAIN_100R       0x03 // lv3,the least gain
+#define I_GAIN_AUTO       0x04
+
+// ADC Vin gain level !!! move to ADC.h in future
+#define VIN_GAIN_1M       0x00
+#define VIN_GAIN_30K      0x01
+#define VIN_GAIN_1K       0x02
+#define VIN_GAIN_AUTO     0x03
+
+// DAC Vout gain level !!! move to DAC.h in future
+#define VOUT_GAIN_240K    0x00
+#define VOUT_GAIN_15K     0x01
+#define VOUT_GAIN_AUTO    0x02
+
+/* DAC reset parameter */
+#define DAC_ZERO          25000 // DAC_ZERO is about 0V
+
+// Step time macro
+#define STEPTIME_HALF_SEC 5000
+#define STEPTIME_ONE_SEC  10000
+#define STEPTIME_TWO_SEC  20000
+
+typedef struct
+{
+    void (*init)(void);
+    elite_instance_t *p_elite_instance;
+    struct
+    {
+        uint32_t chip_id;
+        uint32_t eliteFxn;
+
+        // time relation
+        uint32_t VsetRateIndex;
+        uint32_t VsetRate;
+        uint32_t sampleRate;
+        uint32_t notifyRate;
+        uint32_t period;
+
+        int32_t Vset;
+        uint32_t VoltConstant;
+        uint32_t directionInit;
+        uint32_t step;
+        uint32_t Ve1;
+        uint32_t Ve2;
+        int32_t Vinit;
+        int32_t Vmax;
+        int32_t Vmin;
+
+        uint32_t steptime;
+
+        uint32_t IinADCAutoGainEn;
+        uint32_t VinADCAutoGainEn;
+        uint32_t VoutAutoGainEn;
+        uint32_t IinADCGainLv;
+        uint32_t VinADCGainLv;
+        uint32_t VoutGainLv;
+        uint32_t gain_switch_on;
+        uint32_t AdcChannel;
+        bool hign_z_en;
+
+        uint32_t cycleNumber;
+        uint32_t charge;
+        int32_t constantCurrent;
+        // uint32_t  cc_resistance;
+        uint32_t cc_cp_speed;
+
+        // uni pulse mode
+        int32_t v0;
+        uint32_t t_pulse[4];
+        int32_t v_initial[4];
+        int32_t v_slope[4];
+        int32_t v_step[4];
+        uint32_t t_pulse_min[4];
+        uint32_t t_pulse_max[4];
+        int32_t v_stop;
+        int32_t v_up;
+        int32_t v_low;
+        bool v_invert_option;
+        bool v_stop_direction;
+        int32_t v_1;
+        int32_t v_2;
+
+        int32_t Vout;
+
+        // not use
+        int32_t Currentmax;
+        uint32_t VoViSwitch;
+    } instru;
+} edc20_t;
+
+typedef struct
+{
+    float coeff;
+    float offset;
+} edc20_cal_data_t;
+
+typedef struct
+{
+    struct
+    {
+        float coeff;
+        float offset;
+    } dac_c;
+    struct
+    {
+        float coeff;
+        float offset;
+        float Voffset;
+    } dac_f[3];
+} edc20_dac_cal_data_t;
+
+extern edc20_t edc;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __EDC_H__ */

edc20_cycle_iv_mode.c

@@ -0,0 +1,500 @@
+#include "edc.h"
+#include "elite_board.h"
+
+#include "dac_drv.h"
+
+#include "nrf.h"
+#include "nrf_log.h"
+
+#include "FreeRTOS.h"
+#include "elite_board.h"
+#include "semphr.h"
+#include "task.h"
+
+#include <math.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+
+#define OUT_0 DAC0
+#define OUT_1 DAC1
+
+typedef struct __PACKED
+{
+    uint32_t notify_time;
+    int32_t ch1_data;
+    int32_t ch2_data;
+    int32_t ch3_data;
+    uint16_t cycle;
+    uint8_t finish_flag;
+    uint32_t bat_volt;
+    uint8_t packet_seq;
+    int32_t ch4_data;
+    int32_t ch5_data;
+    int32_t ch6_data;
+} payload_t;
+
+typedef struct __PACKED
+{
+    uint8_t mem_board_id;
+    payload_t payload;
+    uint8_t : 8;
+    uint8_t : 8;
+    uint8_t : 8;
+} elite_notify_packet_t;
+
+typedef struct
+{
+    uint32_t id;
+    uint32_t mS_period;
+    elite_dac_config_t config;
+} iv_cycle_mode_param_t;
+
+const edc20_dac_cal_data_t edc20_dac_cal_data = {
+    .dac_c = { 2.9701475, 121.9763670 },
+    .dac_f = {
+              [0] = { 65.7454092, -290.3872456, -36.65060000 },
+              [1] = { 27.4300538, -100.6332479, -37.39872222 },
+              [2] = { 7.61192880, -0.568019000, -40.99282222 } }
+};
+#define FS_1000mV 1000
+#define FS_2800mV 2800
+#define FS_8000mV 8000
+const float edc20_range_mV[] = {
+    [0] = FS_1000mV,
+    [1] = FS_2800mV,
+    [2] = FS_8000mV,
+};
+
+static SemaphoreHandle_t semphr_start = NULL;
+
+static TaskHandle_t task_handle = NULL;
+
+static bool running = false;
+
+extern ret_code_t le_event_notify(uint8_t *p_value, uint16_t len);
+
+static ret_code_t _send_start_packet(elite_notify_packet_t *p_buf, uint32_t loops)
+{
+    memset(&p_buf->payload, 0x00, sizeof(p_buf->payload));
+    for (uint32_t i = 0; i < loops; i++)
+    {
+        ret_code_t ret = le_event_notify((void *)p_buf, sizeof(*p_buf));
+        if (ret != NRF_SUCCESS)
+        {
+            return ret;
+        }
+    }
+    return NRF_SUCCESS;
+}
+
+static ret_code_t _send_data_packet(elite_notify_packet_t *p_notify_buf, bool is_last_notify)
+{
+    static int32_t ch1 = 0;
+    static int32_t ch2 = 0;
+    static int32_t ch3 = 0;
+
+    ch1 += 100;
+    ch2++;
+    ch3 = ch2;
+
+    p_notify_buf->payload.notify_time = xTaskGetTickCount();
+    p_notify_buf->payload.ch1_data    = ch1;
+    p_notify_buf->payload.ch2_data    = ch2;
+    p_notify_buf->payload.ch3_data    = ch3;
+    p_notify_buf->payload.bat_volt    = 3600;
+    p_notify_buf->payload.packet_seq++;
+    p_notify_buf->payload.finish_flag = is_last_notify;
+
+    return le_event_notify((void *)p_notify_buf, sizeof(*p_notify_buf));
+}
+
+typedef struct
+{
+    float dir;
+    float mV_output;
+    float mV_max;
+    float mV_min;
+    float mV_start;
+    float mV_stop;
+    float step;
+    uint32_t cycle_cnt;
+    uint32_t cycle_max;
+    uint32_t fullscale;
+    struct
+    {
+        float eta_c;
+        float eta_f;
+        float Voffset;
+        float Vc;
+        float Nc;
+        float Nc0;
+        float Nf;
+    };
+} cycle_iv_dac_t;
+
+typedef struct
+{
+    uint32_t period;
+} cycle_iv_adc_t;
+
+static uint32_t mV_out_0(cycle_iv_dac_t *p)
+{
+    for (uint32_t i = 0; i < COUNTOF(edc20_range_mV); i++)
+    {
+        if ((p->mV_max - p->mV_min) <= edc20_range_mV[i])
+        {
+            p->fullscale = edc20_range_mV[i];
+            p->eta_c     = edc20_dac_cal_data.dac_c.coeff;
+            p->eta_f     = edc20_dac_cal_data.dac_f[i].coeff;
+            p->Voffset   = edc20_dac_cal_data.dac_f[i].Voffset;
+            break;
+        }
+    }
+    p->Vc  = (p->mV_max + p->mV_min) / 2;
+    p->Nc  = round((p->Vc - p->Voffset) * p->eta_c) + 32768;
+    p->Nc0 = round((0 - p->Voffset) * p->eta_c) + 32768;
+    return p->Nc;
+}
+
+static uint32_t mV_out_1(cycle_iv_dac_t *p)
+{
+    p->Nf = round((p->mV_output - p->Vc - p->Voffset - (p->Nc0 - 32768) / p->eta_c) * p->eta_f) + 32768;
+    return p->Nf;
+}
+
+static uint32_t cal_dac_timer_interval(elite_dac_config_t *p_config, cycle_iv_dac_t *p_cycle_iv_dac)
+{
+    uint32_t intvl;
+    float step_time = p_config->uS_step;
+    for (intvl = 100; intvl < 1000000; intvl *= 10)
+    {
+        p_cycle_iv_dac->step = (p_config->mV_step * intvl) / step_time;
+        if (p_cycle_iv_dac->step >= 0.001)
+        {
+            return intvl;
+        }
+    }
+    return intvl;
+}
+
+static void dac_select_circuit(cycle_iv_dac_t *p)
+{
+    float scan_range = p->mV_max - p->mV_min;
+
+    if (scan_range <= FS_1000mV)
+    {
+        circuit_selection_dac_fine_tune_f0();
+    }
+    else if (scan_range <= FS_2800mV)
+    {
+        circuit_selection_dac_fine_tune_f1();
+    }
+    else if (scan_range <= FS_8000mV)
+    {
+        circuit_selection_dac_fine_tune_f2();
+    }
+}
+
+void _callback(void *p_arg)
+{
+    cycle_iv_dac_t *p = p_arg;
+
+    if (p->mV_output <= p->mV_min)
+    {
+        p->mV_output = p->mV_min;
+        p->dir       = 1;
+    }
+
+    if (p->mV_output >= p->mV_max)
+    {
+        p->mV_output = p->mV_max;
+        p->dir       = -1;
+    }
+
+    dac_write_through(OUT_1, mV_out_1(p));
+
+    if (p->mV_output == p->mV_start)
+    {
+        p->cycle_cnt++;
+        if (p->cycle_cnt > p->cycle_max)
+        {
+            running = false;
+        }
+    }
+    p->mV_output += p->dir * p->step;
+}
+
+static void edc20_cycle_iv_mode_task(void *p_arg)
+{
+    elite_notify_packet_t packet_buf;
+    cycle_iv_dac_t dac_param;
+    cycle_iv_adc_t adc_param;
+    iv_cycle_mode_param_t mode_param;
+
+    taskENTER_CRITICAL();
+
+    /* copy iv cycle parameter */
+    memcpy(&mode_param, p_arg, sizeof(mode_param));
+
+    memset(&packet_buf, 0x00, sizeof(packet_buf));
+    memset(&dac_param, 0x00, sizeof(dac_param));
+    memset(&adc_param, 0x00, sizeof(adc_param));
+
+    taskEXIT_CRITICAL();
+
+    if (1)
+    {
+        char info[256];
+        snprintf(info, 256, "%s() @ %p start", __FUNCTION__, xTaskGetCurrentTaskHandle());
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%8ld", "id", mode_param.id);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%7.0fmV", "V_start", mode_param.config.mV_start);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%7.0fmV", "V_stop", mode_param.config.mV_stop);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%7.0fmV", "uV_step", mode_param.config.mV_step);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%8ldus", "uS_step_time", mode_param.config.uS_step);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%8ld", "cycles", mode_param.config.cycles);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%8ldms", "mS_period", mode_param.mS_period);
+        NRF_LOG_INFO("%s", info);
+    }
+
+    /* set memborad id */
+    packet_buf.mem_board_id = mode_param.id;
+
+    /* send start packet 4 times */
+    _send_start_packet(&packet_buf, 4);
+
+    dac_param.mV_output = mode_param.config.mV_start;
+    dac_param.mV_max    = MAX(mode_param.config.mV_start, mode_param.config.mV_stop);
+    dac_param.mV_min    = MIN(mode_param.config.mV_start, mode_param.config.mV_stop);
+    dac_param.mV_start  = mode_param.config.mV_start;
+    dac_param.mV_stop   = mode_param.config.mV_stop;
+    dac_param.dir       = dac_param.mV_output == dac_param.mV_min ? 1 : -1;
+    dac_param.cycle_cnt = 0;
+    dac_param.cycle_max = mode_param.config.cycles;
+    dac_param.fullscale = 0;
+
+    if (1)
+    {
+        NRF_LOG_INFO("%s", "");
+        mV_out_0(&dac_param);
+        char info[256];
+        snprintf(info, 256, "%16s:%10.3f", "eta_c", dac_param.eta_c);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%10.3f", "eta_f", dac_param.eta_f);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%10.3f", "Voffset", dac_param.Voffset);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%10.3f", "Vc", dac_param.Vc);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%10.3f", "Nc", dac_param.Nc);
+        NRF_LOG_INFO("%s", info);
+        snprintf(info, 256, "%16s:%10.3f", "Nc0", dac_param.Nc0);
+        NRF_LOG_INFO("%s", info);
+
+        dac_param.mV_output = dac_param.mV_start;
+        mV_out_1(&dac_param);
+        snprintf(info, 256, "%16s:%10.3f", "V1 Nf", dac_param.Nf);
+        NRF_LOG_INFO("%s", info);
+
+        dac_param.mV_output = dac_param.mV_stop;
+        mV_out_1(&dac_param);
+        snprintf(info, 256, "%16s:%10.3f", "V2 Nf", dac_param.Nf);
+        NRF_LOG_INFO("%s", info);
+    }
+
+    dac_write_through(OUT_0, mV_out_0(&dac_param));
+
+    dac_param.mV_output = dac_param.mV_start;
+    dac_write_through(OUT_1, mV_out_1(&dac_param));
+
+    dac_select_circuit(&dac_param);
+
+    /* start DAC timer */
+    edc20_dac_tim_start(cal_dac_timer_interval(&mode_param.config, &dac_param), _callback, &dac_param);
+
+    /* start ADC timer */
+    edc20_adc_tim_start(&mode_param.config);
+
+    /* get current tick */
+    TickType_t tick = xTaskGetTickCount();
+
+    uint32_t notify_delay = pdMS_TO_TICKS(mode_param.mS_period);
+
+    /* start data update process */
+    running = true;
+
+    while (running)
+    {
+        ret_code_t ret = _send_data_packet(&packet_buf, false);
+        switch (ret)
+        {
+            case NRF_SUCCESS:
+            case NRF_ERROR_RESOURCES:
+                vTaskDelayUntil(&tick, notify_delay);
+                break;
+            default:
+                running = false;
+                break;
+        }
+    }
+
+    edc20_dac_tim_stop();
+    edc20_adc_tim_stop();
+    dac_init();
+
+    if (1)
+    {
+        char info[256];
+        snprintf(info, 256, "%s() @ %p stop", __FUNCTION__, xTaskGetCurrentTaskHandle());
+        NRF_LOG_INFO("%s", info);
+    }
+
+    vTaskDelete(NULL);
+}
+
+void edc20_cycle_iv_mode_init(void)
+{
+}
+
+#define VDIRECTION(v1, v2) ((v1 > v2) ? 0 : 1)
+// Step time macro
+#define STEPTIME_HALF_SEC  5000
+#define STEPTIME_ONE_SEC   10000
+#define STEPTIME_TWO_SEC   20000
+static uint32_t step2VsetRate(uint32_t step)
+{
+    /*step = 100 mv, index = 0, n = 2
+             10  mv, index = 1, n = 10
+             1   mv, index = 2, n = 100
+             0.1 mv, index = 3, n = 1000
+             0.01mv, index = 4, n = 10000  */
+
+    if (step >= 10000)
+    {
+        return 0;
+    }
+    else if (step >= 1000)
+    {
+        return 1;
+    }
+    else if (step >= 100)
+    {
+        return 2;
+    }
+    else if (step >= 10)
+    {
+        return 3;
+    }
+    else if (step >= 1)
+    {
+        return 4;
+    }
+    else
+    {
+        return 5;
+    }
+}
+
+static uint32_t get_step_time(uint8_t StepTime)
+{
+    switch (StepTime)
+    {
+        case 0: { // 0.5 sec
+            return STEPTIME_HALF_SEC;
+        }
+        case 1: { // 1 sec
+            return STEPTIME_ONE_SEC;
+        }
+        case 2: { // 2 sec
+            return STEPTIME_TWO_SEC;
+        }
+        default: { // 1 sec
+            return STEPTIME_ONE_SEC;
+        }
+    }
+}
+
+#define STEP_TO_VSETRATE(step) step2VsetRate(step)
+const uint32_t VsetRateTable[5] = { 2, 10, 100, 1000, 10000 };
+
+static uint32_t convt_uS_step(uint32_t idx)
+{
+    switch (idx)
+    {
+        case 0: { // 0.5 sec
+            return 500000;
+        }
+        case 1: { // 1 sec
+            return 1000000;
+        }
+        case 2: { // 2 sec
+            return 2000000;
+        }
+        default: { // 1 sec
+            return 1000000;
+        }
+    }
+}
+
+void edc20_cycle_iv_mode_start(uint8_t *ins, uint16_t size)
+{
+    /*
+        instru.eliteFxn      = CURVE_IV_CY;
+        instru.Ve1           = ((uint16_t)(ins[3]) << 8) | (uint16_t)(ins[4]);
+        instru.Ve2           = ((uint16_t)(ins[5]) << 8) | (uint16_t)(ins[6]);
+        instru.Vinit         = (int32_t)instru.Ve1;
+        instru.Vmax          = (int32_t)VMAX(instru.Ve1,instru.Ve2);
+        instru.Vmin          = (int32_t)VMIN(instru.Ve1,instru.Ve2);
+        instru.directionInit = VDIRECTION(instru.Ve1,instru.Ve2);
+        instru.steptime      = get_step_time(ins[9]); //5000;10000;20000;
+        instru.step          = ((uint32_t)(ins[7]) << 8) | (uint32_t)(ins[8]);//1~1000 = 0.1mv ~ 100mv
+        instru.step          = instru.step * 100000 / instru.steptime;
+        STEP_TO_VSETRATE(instru.step);
+        instru.VsetRate      = VsetRateTable[instru.VsetRateIndex];//N
+        instru.cycleNumber   = ((uint16_t)(ins[10]) << 8) | (uint16_t)(ins[11]);
+        instru.hign_z_en     = ins[13] & 0x0F;
+        instru.notifyRate    = ((uint32_t)ins[14] << 8) | (uint32_t)ins[15];
+        instru.notifyRate    = 10000 / instru.notifyRate * 10;
+    */
+
+    struct __PACKED
+    {
+        uint8_t id : 4;
+        uint8_t    : 4;
+        uint8_t    : 8;
+        uint8_t    : 8;
+        uint16_t volt_start;  // unit: 100uV, -5V = 0, 0V = 25000, 5V = 50000
+        uint16_t volt_stop;   // unit: 100uV, -5V = 0, 0V = 25000, 5V = 50000
+        uint16_t step;        // unit: 100uV
+        uint8_t step_time;    // enum: 0 = 5000us, 1 = 10000us, 2 = 20000us
+        uint16_t cycles;      // 0 ~ 500000
+        uint8_t : 8;
+        uint8_t hi_z_en;      // lower nibble
+        uint16_t sample_rate; // unit: 0.1Hz
+    } *p = (void *)ins;
+
+    iv_cycle_mode_param_t mode_param = {
+        .id              = p->id,
+        .mS_period       = 1000 * 10 / __REVSH(p->sample_rate),
+        .config.mV_start = ((__REVSH(p->volt_start) & 0xFFFF) / 10 - 2500) * 2,
+        .config.mV_stop  = ((__REVSH(p->volt_stop) & 0xFFFF) / 10 - 2500) * 2,
+        .config.mV_step  = (uint32_t)__REVSH(p->step) / 10,
+        .config.uS_step  = convt_uS_step(p->step_time),
+        .config.cycles   = (__REVSH(p->cycles) & 0xFFFF)
+    };
+
+    xTaskCreate(edc20_cycle_iv_mode_task, "iv_mode", 2048, (void *)&mode_param, 3, &task_handle);
+
+    portYIELD();
+}
+
+#endif /* ! DEF_ELITE_MODEL */

edc20_io.c

@@ -0,0 +1,721 @@
+#include "elite_board.h"
+
+#include "nrf_drv_spi.h"
+#include "nrf_drv_twi.h"
+#include "nrf_gpio.h"
+#include "nrf_log.h"
+#include "nrf_timer.h"
+
+#include "FreeRTOS.h"
+#include "queue.h"
+#include "semphr.h"
+
+#include "adc_drv.h"
+#include "dac_drv.h"
+#include "sw_drv.h"
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+
+//==========================================================
+// gpio
+//==========================================================
+void gpio_init(void)
+{
+    nrf_gpio_pin_set(POWER_5V_EN_PIN);
+    nrf_gpio_pin_set(POWER_12V_EN_PIN);
+    nrf_gpio_pin_set(OFF_PIN);
+
+    nrf_gpio_pin_clear(Vout_FB_PIN);
+    nrf_gpio_pin_clear(Vout_IN_PIN);
+    nrf_gpio_pin_clear(Iin4_TEST_PIN);
+    nrf_gpio_pin_clear(Iin3_SEL_PIN);
+    nrf_gpio_pin_clear(Iin3_PIN);
+    nrf_gpio_pin_clear(Iin2_PIN);
+    nrf_gpio_pin_clear(Iin1_PIN);
+    nrf_gpio_pin_clear(Vin2_PIN);
+    nrf_gpio_pin_clear(Vin1_PIN);
+    nrf_gpio_pin_clear(CV_CTRL_PIN);
+    nrf_gpio_pin_clear(ADCA2_PIN);
+    nrf_gpio_pin_clear(ADCA1_PIN);
+    nrf_gpio_pin_clear(ADCA0_PIN);
+    nrf_gpio_pin_clear(RST_SW_PIN);
+
+    nrf_gpio_cfg_output(POWER_5V_EN_PIN);
+    nrf_gpio_cfg_output(POWER_12V_EN_PIN);
+    nrf_gpio_cfg_output(OFF_PIN);
+    nrf_gpio_cfg_output(Vout_FB_PIN);
+    nrf_gpio_cfg_output(Vout_IN_PIN);
+    nrf_gpio_cfg_output(Iin4_TEST_PIN);
+    nrf_gpio_cfg_output(Iin3_SEL_PIN);
+    nrf_gpio_cfg_output(Iin3_PIN);
+    nrf_gpio_cfg_output(Iin2_PIN);
+    nrf_gpio_cfg_output(Iin1_PIN);
+    nrf_gpio_cfg_output(Vin2_PIN);
+    nrf_gpio_cfg_output(Vin1_PIN);
+    nrf_gpio_cfg_output(CV_CTRL_PIN);
+    nrf_gpio_cfg_output(ADCA2_PIN);
+    nrf_gpio_cfg_output(ADCA1_PIN);
+    nrf_gpio_cfg_output(ADCA0_PIN);
+    nrf_gpio_cfg_output(RST_SW_PIN);
+    nrf_gpio_cfg_output(CS_SW_PIN);
+    nrf_gpio_cfg_output(CS_MEM_PIN);
+    nrf_gpio_cfg_output(CS_ADC_PIN);
+    nrf_gpio_cfg_output(CS_DAC_PIN);
+
+    nrf_gpio_cfg_input(VBAT_PIN, NRF_GPIO_PIN_NOPULL);
+    nrf_gpio_cfg_input(SHUT_DOWN_PIN, NRF_GPIO_PIN_NOPULL);
+    nrf_gpio_cfg_input(INT9466_PIN, NRF_GPIO_PIN_NOPULL);
+
+    // Config spi cs pin
+
+    uint32_t cs_pins[] = {
+        CS_SW_PIN, CS_MEM_PIN, CS_ADC_PIN, CS_DAC_PIN
+    };
+
+    for (int i = 0; i < COUNTOF(cs_pins); i++)
+    {
+        nrf_gpio_pin_set(cs_pins[i]);
+        nrf_gpio_cfg(
+            cs_pins[i],
+            NRF_GPIO_PIN_DIR_OUTPUT,
+            NRF_GPIO_PIN_INPUT_DISCONNECT,
+            NRF_GPIO_PIN_NOPULL,
+            NRF_GPIO_PIN_H0H1,
+            NRF_GPIO_PIN_NOSENSE);
+    }
+
+    // Config spi mosi pin
+    nrf_gpio_pin_set(SPIM_MOSI_PIN);
+    nrf_gpio_cfg(
+        SPIM_MOSI_PIN,
+        NRF_GPIO_PIN_DIR_OUTPUT,
+        NRF_GPIO_PIN_INPUT_DISCONNECT,
+        NRF_GPIO_PIN_NOPULL,
+        NRF_GPIO_PIN_H0H1,
+        NRF_GPIO_PIN_NOSENSE);
+
+    // Config spi miso pin
+    nrf_gpio_cfg_input(SPIM_MISO_PIN, NRF_GPIO_PIN_NOPULL);
+
+    // Config spi clk pin
+    nrf_gpio_pin_clear(SPIM_CLK_PIN);
+    nrf_gpio_cfg(
+        SPIM_CLK_PIN,
+        NRF_GPIO_PIN_DIR_OUTPUT,
+        NRF_GPIO_PIN_INPUT_DISCONNECT,
+        NRF_GPIO_PIN_NOPULL,
+        NRF_GPIO_PIN_H0H1,
+        NRF_GPIO_PIN_NOSENSE);
+}
+
+// circuit_select combination
+void circuit_selection_vin_0(void)
+{
+    nrf_gpio_pin_clear(Vin1_PIN);
+    nrf_gpio_pin_clear(Vin2_PIN);
+}
+
+void circuit_selection_vin_1(void)
+{
+    nrf_gpio_pin_set(Vin1_PIN);
+    nrf_gpio_pin_clear(Vin2_PIN);
+}
+
+void circuit_selection_vin_2(void)
+{
+    nrf_gpio_pin_clear(Vin1_PIN);
+    nrf_gpio_pin_set(Vin2_PIN);
+}
+
+void circuit_selection_Iin_0(void)
+{
+    nrf_gpio_pin_clear(Iin4_TEST_PIN);
+    nrf_gpio_pin_clear(Iin3_SEL_PIN);
+    nrf_gpio_pin_clear(Iin1_PIN);
+    nrf_gpio_pin_clear(Iin2_PIN);
+    nrf_gpio_pin_clear(Iin3_PIN);
+}
+
+void circuit_selection_Iin_1(void)
+{
+    nrf_gpio_pin_clear(Iin4_TEST_PIN);
+    nrf_gpio_pin_clear(Iin3_SEL_PIN);
+    nrf_gpio_pin_set(Iin1_PIN);
+    nrf_gpio_pin_clear(Iin2_PIN);
+    nrf_gpio_pin_clear(Iin3_PIN);
+}
+
+void circuit_selection_Iin_2(void)
+{
+    nrf_gpio_pin_clear(Iin4_TEST_PIN);
+    nrf_gpio_pin_clear(Iin3_SEL_PIN);
+    nrf_gpio_pin_clear(Iin1_PIN);
+    nrf_gpio_pin_set(Iin2_PIN);
+    nrf_gpio_pin_clear(Iin3_PIN);
+}
+
+void circuit_selection_Iin_3(void)
+{
+    nrf_gpio_pin_clear(Iin4_TEST_PIN);
+    nrf_gpio_pin_set(Iin3_SEL_PIN);
+    nrf_gpio_pin_clear(Iin1_PIN);
+    nrf_gpio_pin_clear(Iin2_PIN);
+    nrf_gpio_pin_set(Iin3_PIN);
+}
+
+void circuit_selection_Iin_4(void)
+{
+    nrf_gpio_pin_set(Iin4_TEST_PIN);
+    nrf_gpio_pin_clear(Iin3_SEL_PIN);
+    nrf_gpio_pin_clear(Iin1_PIN);
+    nrf_gpio_pin_clear(Iin2_PIN);
+    nrf_gpio_pin_clear(Iin3_PIN);
+}
+
+void circuit_selection_dac_coarse_tune_c(void)
+{
+    sw_t sw;
+    uint32_t sw_cnt;
+
+    sw_count(&sw_cnt);
+    sw_read(&sw);
+    sw.val = 0b10000000;
+    NRF_LOG_INFO("sw.val= %08X", sw.val);
+    NRF_LOG_INFO("sw.sw7~sw4=%X %X %X %X", sw.sw7, sw.sw6, sw.sw5, sw.sw4);
+    NRF_LOG_INFO("sw.sw3~sw0=%X %X %X %X", sw.sw3, sw.sw2, sw.sw1, sw.sw0);
+    sw_write(sw);
+
+    nrf_gpio_pin_set(Vout_FB_PIN);
+    nrf_gpio_pin_clear(Vout_IN_PIN);
+}
+
+void circuit_selection_dac_fine_tune_f0(void)
+{
+    sw_t sw;
+    uint32_t sw_cnt;
+
+    sw_count(&sw_cnt);
+    sw_read(&sw);
+    sw.val = 0b10000100;
+    NRF_LOG_INFO("sw.val= %08X", sw.val);
+    NRF_LOG_INFO("sw.sw7~sw4=%X %X %X %X", sw.sw7, sw.sw6, sw.sw5, sw.sw4);
+    NRF_LOG_INFO("sw.sw3~sw0=%X %X %X %X", sw.sw3, sw.sw2, sw.sw1, sw.sw0);
+    sw_write(sw);
+
+    nrf_gpio_pin_set(Vout_FB_PIN);
+    nrf_gpio_pin_clear(Vout_IN_PIN);
+}
+
+void circuit_selection_dac_fine_tune_f1(void)
+{
+    sw_t sw;
+    uint32_t sw_cnt;
+
+    sw_count(&sw_cnt);
+    sw_read(&sw);
+    sw.val = 0b10001000;
+    NRF_LOG_INFO("sw.val= %08X", sw.val);
+    NRF_LOG_INFO("sw.sw7~sw4=%X %X %X %X", sw.sw7, sw.sw6, sw.sw5, sw.sw4);
+    NRF_LOG_INFO("sw.sw3~sw0=%X %X %X %X", sw.sw3, sw.sw2, sw.sw1, sw.sw0);
+    sw_write(sw);
+
+    nrf_gpio_pin_set(Vout_FB_PIN);
+    nrf_gpio_pin_clear(Vout_IN_PIN);
+}
+
+void circuit_selection_dac_fine_tune_f2(void)
+{
+    sw_t sw;
+    uint32_t sw_cnt;
+
+    sw_count(&sw_cnt);
+    sw_read(&sw);
+    sw.val = 0b10000000;
+    NRF_LOG_INFO("sw.val= %08X", sw.val);
+    NRF_LOG_INFO("sw.sw7~sw4=%X %X %X %X", sw.sw7, sw.sw6, sw.sw5, sw.sw4);
+    NRF_LOG_INFO("sw.sw3~sw0=%X %X %X %X", sw.sw3, sw.sw2, sw.sw1, sw.sw0);
+    sw_write(sw);
+
+    nrf_gpio_pin_set(Vout_FB_PIN);
+    nrf_gpio_pin_clear(Vout_IN_PIN);
+}
+
+void circuit_selection_dac_circuit_open(void)
+{
+    sw_t sw;
+    uint32_t sw_cnt;
+
+    sw_count(&sw_cnt);
+    sw_read(&sw);
+    sw.sw4 = 0;
+    sw.sw5 = 0;
+    sw.sw6 = 0;
+    sw.sw7 = 0;
+    NRF_LOG_INFO("sw.val= %08X", sw.val);
+    NRF_LOG_INFO("sw.sw7~sw4=%X %X %X %X", sw.sw7, sw.sw6, sw.sw5, sw.sw4);
+    NRF_LOG_INFO("sw.sw3~sw0=%X %X %X %X", sw.sw3, sw.sw2, sw.sw1, sw.sw0);
+    sw_write(sw);
+}
+
+void circuit_selection_cv3_config(void)
+{
+    nrf_gpio_pin_clear(Vout_FB_PIN);
+    nrf_gpio_pin_set(Vout_IN_PIN);
+    nrf_gpio_pin_clear(Iin4_TEST_PIN);
+    nrf_gpio_pin_clear(Iin3_SEL_PIN);
+    nrf_gpio_pin_clear(Iin1_PIN);
+    nrf_gpio_pin_clear(Iin2_PIN);
+    nrf_gpio_pin_clear(Iin3_PIN);
+    nrf_gpio_pin_set(CV_CTRL_PIN);
+}
+
+void circuit_selection_cc_config(void)
+{
+    nrf_gpio_pin_clear(Vout_FB_PIN);
+    nrf_gpio_pin_set(Vout_IN_PIN);
+    nrf_gpio_pin_clear(Iin4_TEST_PIN);
+    nrf_gpio_pin_clear(Iin3_SEL_PIN);
+    nrf_gpio_pin_clear(Iin1_PIN);
+    nrf_gpio_pin_clear(Iin2_PIN);
+    nrf_gpio_pin_clear(Iin3_PIN);
+    nrf_gpio_pin_clear(CV_CTRL_PIN);
+}
+
+//==========================================================
+// i2c
+//==========================================================
+static const nrf_drv_twi_t twi0    = NRF_DRV_TWI_INSTANCE(0);
+static SemaphoreHandle_t i2c_sem   = NULL;
+static SemaphoreHandle_t i2c_mutex = NULL;
+static QueueHandle_t i2c_evt_queue = NULL;
+
+static void nrf_drv_twi_evt_handler(nrf_drv_twi_evt_t const *p_event, void *p_context)
+{
+    BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+    xQueueSendFromISR(i2c_evt_queue, p_event, &xHigherPriorityTaskWoken);
+    portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+}
+
+void twi_init(void)
+{
+    ret_code_t err_code;
+
+    i2c_sem       = xSemaphoreCreateBinary();
+    i2c_mutex     = xSemaphoreCreateMutex();
+    i2c_evt_queue = xQueueCreate(2, sizeof(nrf_drv_twi_evt_t));
+
+    const nrf_drv_twi_config_t twi0_config = {
+        .scl                = I2C0_SCL,
+        .sda                = I2C0_SDA,
+        .frequency          = NRF_DRV_TWI_FREQ_100K,
+        .interrupt_priority = APP_IRQ_PRIORITY_HIGH,
+        .clear_bus_init     = true
+    };
+
+    err_code = nrf_drv_twi_init(&twi0, &twi0_config, nrf_drv_twi_evt_handler, NULL);
+    APP_ERROR_CHECK(err_code);
+
+    nrf_drv_twi_enable(&twi0);
+}
+
+void twi0_write_reg(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t data_len)
+{
+    xSemaphoreTake(i2c_mutex, portMAX_DELAY);
+
+    static uint8_t i2c_buf[255];
+    static nrf_drv_twi_evt_t evt;
+    ret_code_t err_code;
+
+    memcpy(i2c_buf, &reg_addr, sizeof(reg_addr));
+    memcpy(i2c_buf + sizeof(reg_addr), data, data_len);
+
+    err_code = nrf_drv_twi_tx(&twi0, slave_addr, i2c_buf, data_len + 1, false);
+    APP_ERROR_CHECK(err_code);
+
+    xQueueReceive(i2c_evt_queue, &evt, portMAX_DELAY);
+
+    switch (evt.type)
+    {
+        /* Transfer completed event. */
+        case NRF_DRV_TWI_EVT_DONE:
+            // TODO...
+            break;
+        /* Error event: NACK received after sending the address. */
+        case NRF_DRV_TWI_EVT_ADDRESS_NACK:
+            // TODO...
+            __BKPT(255);
+            break;
+        /* Error event: NACK received after sending a data byte. */
+        case NRF_DRV_TWI_EVT_DATA_NACK:
+            // TODO...
+            __BKPT(255);
+            break;
+        default:
+            __BKPT(255);
+            break;
+    }
+
+    xSemaphoreGive(i2c_mutex);
+
+    NRF_LOG_INFO("i2c(W): slave_addr=0x%02x", slave_addr);
+    NRF_LOG_HEXDUMP_INFO(i2c_buf, data_len + 1);
+}
+
+void twi0_read_reg(uint8_t slave_addr, uint8_t reg_addr, uint8_t *p_rx_buf, uint8_t rx_buffer_length)
+{
+    xSemaphoreTake(i2c_mutex, portMAX_DELAY);
+
+    nrf_drv_twi_evt_t evt;
+    ret_code_t err_code;
+
+    err_code = nrf_drv_twi_tx(&twi0, slave_addr, &reg_addr, sizeof(reg_addr), false);
+    APP_ERROR_CHECK(err_code);
+    xQueueReceive(i2c_evt_queue, &evt, portMAX_DELAY);
+
+    switch (evt.type)
+    {
+        /* Transfer completed event. */
+        case NRF_DRV_TWI_EVT_DONE:
+            // TODO...
+            break;
+        /* Error event: NACK received after sending the address. */
+        case NRF_DRV_TWI_EVT_ADDRESS_NACK:
+            // TODO...
+            __BKPT(255);
+            break;
+        /* Error event: NACK received after sending a data byte. */
+        case NRF_DRV_TWI_EVT_DATA_NACK:
+            // TODO...
+            __BKPT(255);
+            break;
+        default:
+            break;
+    }
+
+    err_code = nrf_drv_twi_rx(&twi0, slave_addr, p_rx_buf, rx_buffer_length);
+    APP_ERROR_CHECK(err_code);
+    xQueueReceive(i2c_evt_queue, &evt, portMAX_DELAY);
+
+    switch (evt.type)
+    {
+        /* Transfer completed event. */
+        case NRF_DRV_TWI_EVT_DONE:
+            // TODO...
+            break;
+        /* Error event: NACK received after sending the address. */
+        case NRF_DRV_TWI_EVT_ADDRESS_NACK:
+            // TODO...
+            __BKPT(255);
+            break;
+        /* Error event: NACK received after sending a data byte. */
+        case NRF_DRV_TWI_EVT_DATA_NACK:
+            // TODO...
+            __BKPT(255);
+            break;
+        default:
+            break;
+    }
+
+    xSemaphoreGive(i2c_mutex);
+
+    NRF_LOG_INFO("i2c(R): slave_addr=0x%02x reg_addr=0x%02x", slave_addr, reg_addr);
+    NRF_LOG_HEXDUMP_INFO(p_rx_buf, rx_buffer_length);
+}
+
+//==========================================================
+// spi
+//==========================================================
+static const nrf_drv_spi_t spim1   = NRF_DRV_SPI_INSTANCE(1); /**< SPI instance. */
+static SemaphoreHandle_t spim1_sem = NULL;
+
+static void nrf_drv_spim1_evt_handler(nrf_drv_spi_evt_t const *p_event, void *p_context)
+{
+    BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+    switch (p_event->type)
+    {
+        case NRF_DRV_SPI_EVENT_DONE:
+            xSemaphoreGiveFromISR(spim1_sem, &xHigherPriorityTaskWoken);
+            portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+            break;
+        default:
+            break;
+    }
+}
+
+void spi_init(void)
+{
+    spim1_sem = xSemaphoreCreateBinary();
+
+    nrf_drv_spi_config_t spi1_config = NRF_DRV_SPI_DEFAULT_CONFIG;
+    spi1_config.ss_pin               = NRF_DRV_SPI_PIN_NOT_USED;
+    spi1_config.miso_pin             = NRF_DRV_SPI_PIN_NOT_USED;
+    spi1_config.mosi_pin             = SPI1_MOSI_PIN;
+    spi1_config.sck_pin              = SPI1_CLK_PIN;
+    spi1_config.mode                 = NRF_DRV_SPI_MODE_0;
+    spi1_config.frequency            = NRF_DRV_SPI_FREQ_8M;
+    APP_ERROR_CHECK(nrf_drv_spi_init(&spim1, &spi1_config, nrf_drv_spim1_evt_handler, NULL));
+
+    // Config spi module
+    NRF_SPIM3->ENABLE          = SPIM_ENABLE_ENABLE_Disabled << SPIM_ENABLE_ENABLE_Pos;
+    NRF_SPIM3->ORC             = 0x00000000;
+    NRF_SPIM3->FREQUENCY       = SPIM_FREQUENCY_FREQUENCY_M32;
+    NRF_SPIM3->CSNPOL          = SPIM_CSNPOL_CSNPOL_LOW;
+    NRF_SPIM3->IFTIMING.CSNDUR = 8;
+    NRF_SPIM3->PSEL.SCK        = SPIM_CLK_PIN;
+    NRF_SPIM3->PSEL.MOSI       = SPIM_MOSI_PIN;
+    NRF_SPIM3->PSEL.MISO       = SPIM_MISO_PIN;
+    NRF_SPIM3->ENABLE          = SPIM_ENABLE_ENABLE_Enabled << SPIM_ENABLE_ENABLE_Pos;
+}
+
+void spi1_write(uint8_t *p_tx_buffer, uint16_t tx_buffer_length)
+{
+    APP_ERROR_CHECK(nrf_drv_spi_transfer(&spim1, p_tx_buffer, tx_buffer_length, NULL, 0));
+    xSemaphoreTake(spim1_sem, portMAX_DELAY);
+}
+
+void spim_xfer(uint32_t cs_pin, nrf_spim_mode_t spi_mode, uint8_t *p_tx_buffer, uint16_t tx_buffer_length, uint8_t *p_rx_buf, uint16_t rx_buffer_length)
+{
+    __disable_irq();
+
+    /* set spi mode and order  */
+    NRF_SPIM3->ENABLE = SPIM_ENABLE_ENABLE_Disabled << SPIM_ENABLE_ENABLE_Pos;
+    switch (spi_mode)
+    {
+        default:
+        case NRF_SPIM_MODE_0:
+            NRF_SPIM3->CONFIG = (SPIM_CONFIG_ORDER_MsbFirst << SPIM_CONFIG_ORDER_Pos) |
+                                (SPIM_CONFIG_CPOL_ActiveHigh << SPIM_CONFIG_CPOL_Pos) |
+                                (SPIM_CONFIG_CPHA_Leading << SPIM_CONFIG_CPHA_Pos);
+            break;
+
+        case NRF_SPIM_MODE_1:
+            NRF_SPIM3->CONFIG = (SPIM_CONFIG_ORDER_MsbFirst << SPIM_CONFIG_ORDER_Pos) |
+                                (SPIM_CONFIG_CPOL_ActiveHigh << SPIM_CONFIG_CPOL_Pos) |
+                                (SPIM_CONFIG_CPHA_Trailing << SPIM_CONFIG_CPHA_Pos);
+            break;
+
+        case NRF_SPIM_MODE_2:
+            NRF_SPIM3->CONFIG = (SPIM_CONFIG_ORDER_MsbFirst << SPIM_CONFIG_ORDER_Pos) |
+                                (SPIM_CONFIG_CPOL_ActiveLow << SPIM_CONFIG_CPOL_Pos) |
+                                (SPIM_CONFIG_CPHA_Leading << SPIM_CONFIG_CPHA_Pos);
+            break;
+
+        case NRF_SPIM_MODE_3:
+            NRF_SPIM3->CONFIG = (SPIM_CONFIG_ORDER_MsbFirst << SPIM_CONFIG_ORDER_Pos) |
+                                (SPIM_CONFIG_CPOL_ActiveLow << SPIM_CONFIG_CPOL_Pos) |
+                                (SPIM_CONFIG_CPHA_Trailing << SPIM_CONFIG_CPHA_Pos);
+            break;
+    }
+    NRF_SPIM3->PSEL.CSN = cs_pin;
+    NRF_SPIM3->ENABLE   = SPIM_ENABLE_ENABLE_Enabled << SPIM_ENABLE_ENABLE_Pos;
+
+    if (p_tx_buffer != NULL)
+    {
+        NRF_SPIM3->TXD.PTR    = (uint32_t)p_tx_buffer;
+        NRF_SPIM3->TXD.MAXCNT = tx_buffer_length;
+    }
+    else
+    {
+        NRF_SPIM3->TXD.MAXCNT = 0;
+    }
+    if (p_rx_buf != NULL)
+    {
+        NRF_SPIM3->RXD.PTR    = (uint32_t)p_rx_buf;
+        NRF_SPIM3->RXD.MAXCNT = rx_buffer_length;
+    }
+    else
+    {
+        NRF_SPIM3->RXD.MAXCNT = 0;
+    }
+
+    /* workaround for ADC acquisition time */
+    nrf_gpio_pin_set(CS_ADC_PIN);
+
+    NRF_SPIM3->EVENTS_END  = 0;
+    NRF_SPIM3->TASKS_START = 1;
+    do {
+    } while (NRF_SPIM3->EVENTS_END == 0);
+
+    NRF_SPIM3->ENABLE   = SPIM_ENABLE_ENABLE_Disabled << SPIM_ENABLE_ENABLE_Pos;
+    NRF_SPIM3->PSEL.CSN = 0xFFFFFFFF;
+    NRF_SPIM3->ENABLE   = SPIM_ENABLE_ENABLE_Enabled << SPIM_ENABLE_ENABLE_Pos;
+
+    /* workaround for ADC acquisition time */
+    nrf_gpio_pin_clear(CS_ADC_PIN);
+
+    __enable_irq();
+}
+
+//==========================================================
+// timer
+//==========================================================
+
+#if (DEF_DAC_DRV_ENABLED)
+
+#define ELITE_DAC_TMR NRF_TIMER2
+
+static void (*dac_tmr_cb)(void *p_arg) = NULL;
+static void *dac_tmr_p_arg             = NULL;
+
+void TIMER2_IRQHandler(void)
+{
+    if (ELITE_DAC_TMR->EVENTS_COMPARE[0])
+    {
+        ELITE_DAC_TMR->EVENTS_COMPARE[0] = 0;
+        if (dac_tmr_cb)
+        {
+            dac_tmr_cb(dac_tmr_p_arg);
+        }
+        return;
+    }
+}
+void edc20_dac_tim_start(uint32_t period, void (*callback)(void *p_arg), void *p_arg)
+{
+    NRF_LOG_INFO("%s()", __FUNCTION__);
+
+    __disable_irq();
+
+    sd_nvic_DisableIRQ(TIMER2_IRQn);
+    sd_nvic_ClearPendingIRQ(TIMER2_IRQn);
+    ELITE_DAC_TMR->SHORTS     = 0;
+    ELITE_DAC_TMR->TASKS_STOP = 1;
+
+    dac_tmr_p_arg = p_arg;
+    dac_tmr_cb    = callback;
+
+    ELITE_DAC_TMR->PRESCALER = NRF_TIMER_FREQ_1MHz;
+    ELITE_DAC_TMR->MODE      = NRF_TIMER_MODE_TIMER;
+    ELITE_DAC_TMR->BITMODE   = NRF_TIMER_BIT_WIDTH_32;
+    ELITE_DAC_TMR->INTENSET  = NRF_TIMER_INT_COMPARE0_MASK;
+    ELITE_DAC_TMR->CC[0]     = period;
+    ELITE_DAC_TMR->SHORTS    = NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK;
+    sd_nvic_SetPriority(TIMER2_IRQn, _PRIO_APP_HIGH);
+    sd_nvic_EnableIRQ(TIMER2_IRQn);
+
+    ELITE_DAC_TMR->TASKS_CLEAR = 1;
+    ELITE_DAC_TMR->TASKS_START = 1;
+
+    __enable_irq();
+}
+
+void edc20_dac_tim_stop(void)
+{
+    NRF_LOG_INFO("%s()", __FUNCTION__);
+
+    __disable_irq();
+
+    dac_tmr_cb    = NULL;
+    dac_tmr_p_arg = NULL;
+
+    sd_nvic_DisableIRQ(TIMER2_IRQn);
+    sd_nvic_ClearPendingIRQ(TIMER2_IRQn);
+    ELITE_DAC_TMR->TASKS_STOP = 1;
+    ELITE_DAC_TMR->SHORTS     = 0;
+
+    __enable_irq();
+}
+
+#endif /* ! DEF_DAC_DRV_ENABLED */
+
+#if (DEF_ADC_DRV_ENABLED)
+
+#define ELITE_ADC_TMR NRF_TIMER3
+
+void TIMER3_IRQHandler(void)
+{
+    if (ELITE_ADC_TMR->EVENTS_COMPARE[0])
+    {
+        ELITE_ADC_TMR->EVENTS_COMPARE[0] = 0;
+
+        float mv;
+        extern int adc_read_milivolt(uint32_t channel, float *mv);
+        adc_read_milivolt(2, &mv);
+
+        float v = mv / 1000.0 - 5;
+
+#if (DEF_RTT_JSCOP_ENABLED)
+        extern void j_scope_update(float f);
+        j_scope_update(v * 5);
+#endif
+
+        return;
+    }
+
+    if (ELITE_ADC_TMR->EVENTS_COMPARE[1])
+    {
+        ELITE_ADC_TMR->EVENTS_COMPARE[1] = 0;
+        int32_t val;
+        adc_read(1, &val);
+        return;
+    }
+
+    if (ELITE_ADC_TMR->EVENTS_COMPARE[2])
+    {
+        ELITE_ADC_TMR->EVENTS_COMPARE[2] = 0;
+        int32_t val;
+        adc_read(2, &val);
+        return;
+    }
+}
+
+void edc20_adc_tim_start(elite_dac_config_t *p_config)
+{
+    NRF_LOG_INFO("%s()", __FUNCTION__);
+
+    /*
+    ADC Sample rate 10KHz
+    */
+    ELITE_ADC_TMR->PRESCALER = NRF_TIMER_FREQ_1MHz;
+    ELITE_ADC_TMR->MODE      = NRF_TIMER_MODE_TIMER;
+    ELITE_ADC_TMR->BITMODE   = NRF_TIMER_BIT_WIDTH_32;
+    ELITE_ADC_TMR->INTENSET  = NRF_TIMER_INT_COMPARE0_MASK;
+    ELITE_ADC_TMR->CC[0]     = 1000;
+    ELITE_ADC_TMR->SHORTS    = NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK;
+    sd_nvic_SetPriority(TIMER3_IRQn, _PRIO_APP_HIGH);
+    sd_nvic_EnableIRQ(TIMER3_IRQn);
+}
+
+void edc20_adc_tim_stop(void)
+{
+    NRF_LOG_INFO("%s()", __FUNCTION__);
+}
+
+#endif /* ! DEF_ADC_DRV_ENABLED */
+
+void edc20_io_init(void)
+{
+    gpio_init();
+    twi_init();
+    spi_init();
+}
+
+void edc20_io_power_off(void)
+{
+    nrf_gpio_pin_clear(OFF_PIN);
+    nrf_gpio_pin_clear(POWER_12V_EN_PIN);
+    nrf_gpio_pin_clear(POWER_5V_EN_PIN);
+    for (;;)
+    {
+        __DSB();
+        __ISB();
+    }
+}
+
+void edc20_io_power_on(void)
+{
+    uint32_t cnt = 0;
+    for (int i = 0; i < 1000 / 50; i++)
+    {
+        vTaskDelay(pdMS_TO_TICKS(50));
+        if (nrf_gpio_pin_read(SHUT_DOWN_PIN))
+        {
+            cnt++;
+            if (cnt == 2)
+            {
+                edc20_io_power_off();
+            }
+        }
+    }
+}
+
+#endif /* ! DEF_ELITE_MODEL */

edc20_io.h

@@ -0,0 +1,98 @@
+#ifndef __EDC20_IO_H__
+#define __EDC20_IO_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include "nrf_drv_spi.h"
+#include "nrf_gpio.h"
+
+#define ADCA2_PIN        NRF_GPIO_PIN_MAP(0, 25)
+#define ADCA1_PIN        NRF_GPIO_PIN_MAP(0, 19)
+#define ADCA0_PIN        NRF_GPIO_PIN_MAP(0, 21)
+#define RST_SW_PIN       NRF_GPIO_PIN_MAP(0, 17)
+#define POWER_5V_EN_PIN  NRF_GPIO_PIN_MAP(0, 24)
+#define POWER_12V_EN_PIN NRF_GPIO_PIN_MAP(0, 23)
+#define OFF_PIN          NRF_GPIO_PIN_MAP(0, 15)
+#define SHUT_DOWN_PIN    NRF_GPIO_PIN_MAP(1, 8)
+#define INT9466_PIN      NRF_GPIO_PIN_MAP(0, 27)
+#define Vout_FB_PIN      NRF_GPIO_PIN_MAP(0, 26)
+#define Vout_IN_PIN      NRF_GPIO_PIN_MAP(0, 4)
+#define LEDTH_PIN        NRF_GPIO_PIN_MAP(0, 28)
+#define Iin4_TEST_PIN    NRF_GPIO_PIN_MAP(1, 12)
+#define Iin3_SEL_PIN     NRF_GPIO_PIN_MAP(1, 14)
+#define VBAT_PIN         NRF_GPIO_PIN_MAP(0, 3)
+#define Iin3_PIN         NRF_GPIO_PIN_MAP(1, 13)
+#define Iin2_PIN         NRF_GPIO_PIN_MAP(1, 3)
+#define Iin1_PIN         NRF_GPIO_PIN_MAP(1, 10)
+#define Vin2_PIN         NRF_GPIO_PIN_MAP(1, 6)
+#define Vin1_PIN         NRF_GPIO_PIN_MAP(1, 11)
+#define CV_CTRL_PIN      NRF_GPIO_PIN_MAP(0, 16)
+
+#define I2C0_SDA         NRF_GPIO_PIN_MAP(0, 11)
+#define I2C0_SCL         NRF_GPIO_PIN_MAP(0, 22)
+
+#define SPI1_CLK_PIN     NRF_GPIO_PIN_MAP(0, 13)
+#define SPI1_MOSI_PIN    NRF_GPIO_PIN_MAP(0, 14)
+
+#define CS_SW_PIN        NRF_GPIO_PIN_MAP(0, 20)
+#define CS_MEM_PIN       NRF_GPIO_PIN_MAP(0, 8)
+#define CS_ADC_PIN       NRF_GPIO_PIN_MAP(0, 6)
+#define CS_DAC_PIN       NRF_GPIO_PIN_MAP(0, 5)
+#define SPIM_CLK_PIN     NRF_GPIO_PIN_MAP(0, 12)
+#define SPIM_MOSI_PIN    NRF_GPIO_PIN_MAP(0, 7)
+#define SPIM_MISO_PIN    NRF_GPIO_PIN_MAP(1, 9)
+
+typedef struct
+{
+    float mV_start;
+    float mV_stop;
+    float mV_step;
+    uint32_t uS_step;
+    uint32_t cycles;
+    bool hi_z_en;
+} elite_dac_config_t;
+
+void gpio_init(void);
+void circuit_selection_vin_0(void);
+void circuit_selection_vin_1(void);
+void circuit_selection_vin_2(void);
+void circuit_selection_Iin_0(void);
+void circuit_selection_Iin_1(void);
+void circuit_selection_Iin_2(void);
+void circuit_selection_Iin_3(void);
+void circuit_selection_Iin_4(void);
+void circuit_selection_dac_coarse_tune_c(void);
+void circuit_selection_dac_fine_tune_f0(void);
+void circuit_selection_dac_fine_tune_f1(void);
+void circuit_selection_dac_fine_tune_f2(void);
+void circuit_selection_cv3_config(void);
+void circuit_selection_cc_config(void);
+void circuit_selection_dac_circuit_open(void);
+
+void twi_init(void);
+void twi0_write_reg(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t data_len);
+void twi0_read_reg(uint8_t slave_addr, uint8_t reg_addr, uint8_t *p_rx_buf, uint8_t rx_buffer_length);
+
+void spi_init(void);
+void spi1_write(uint8_t *p_tx_buffer, uint16_t tx_buffer_length);
+void spim_xfer(uint32_t cs_pin, nrf_spim_mode_t mode, uint8_t *p_tx_buffer, uint16_t tx_buffer_length, uint8_t *p_rx_buf, uint16_t rx_buffer_length);
+void spi2_set_mode(nrf_drv_spi_mode_t mode);
+
+void edc20_io_init(void);
+void edc20_io_power_off(void);
+void edc20_io_power_on(void);
+
+void edc20_dac_tim_start(uint32_t period, void (*callback)(void *p_arg), void *p_arg);
+void edc20_dac_tim_stop(void);
+
+void edc20_adc_tim_start(elite_dac_config_t *p_config);
+void edc20_adc_tim_stop(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __EDC20_IO_H__ */

eis.h

@@ -0,0 +1,16 @@
+#ifndef __EIS_H__
+#define __EIS_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "elite_def.h"
+
+extern elite_instance_t eis_2_0;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __EIS_H__ */

elite.c

@@ -0,0 +1,127 @@
+#include "elite.h"
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_DEV)
+#include "elite_dev.h"
+#elif (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+#include "edc.h"
+#elif (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+#include "pel.h"
+#elif (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+#include "cpg.h"
+#else
+#error "Unknown DEF_ELITE_MODEL"
+#endif
+
+#include "nrf_log.h"
+#include "nrf_log_ctrl.h"
+#include "nrf_log_default_backends.h"
+
+#include "FreeRTOS.h"
+#include "message_buffer.h"
+#include "stream_buffer.h"
+#include "task.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+static const elite_instance_t *p_instance = NULL;
+
+MessageBufferHandle_t instr_msg = NULL;
+
+static void decode_ris_ins(uint8_t *ins, uint16_t size)
+{
+    uint8_t oper = ins[2];
+    if (p_instance->ris_func[oper])
+    {
+        p_instance->ris_func[oper](ins, size);
+    }
+    else
+    {
+        NRF_LOG_INFO("unknown ris instruction");
+    }
+}
+
+static void decode_vis_ins(uint8_t *ins, uint16_t size)
+{
+    uint8_t oper = ins[1] & 0xF0; // this is don't care in RISASD;//
+    if (p_instance->vis_func[oper])
+    {
+        p_instance->vis_func[oper](ins, size);
+    }
+    else
+    {
+        NRF_LOG_INFO("unknown vis instruction");
+    }
+}
+
+static void decode_cis_ins(uint8_t *ins, uint16_t size)
+{
+    uint8_t oper = ins[1] & 0xF0;
+    if (p_instance->cis_func[oper])
+    {
+        p_instance->cis_func[oper](ins, size);
+    }
+    else
+    {
+        NRF_LOG_INFO("unknown vis instruction");
+    }
+}
+
+static void elite_instr_task(void *p_arg)
+{
+    static size_t instr_size = 0;
+    static uint8_t instr[256];
+
+    for (;;)
+    {
+        instr_size = xMessageBufferReceive(instr_msg, instr, sizeof(instr), portMAX_DELAY);
+
+        if (instr_size)
+        {
+            uint16_t ins_type = instr[0] & 0b11110000;
+            uint16_t chip_id  = instr[0] & 0b00001111;
+            switch (ins_type)
+            {
+                case INS_TYPE_RIS:
+                    decode_ris_ins(instr, instr_size);
+                    break;
+                case INS_TYPE_VIS:
+                    decode_vis_ins(instr, instr_size);
+                    break;
+                case INS_TYPE_CIS:
+                    decode_cis_ins(instr, instr_size);
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+}
+
+void elite_init(void)
+{
+#if (DEF_ELITE_MODEL == DEF_ELITE_DEV)
+    p_instance = dev_init();
+#elif (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+    edc.init();
+    p_instance = edc.p_elite_instance;
+#elif (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+    p_instance = pel_init();
+#elif (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+    p_instance = cpg_init();
+#else
+#error "Unknown DEF_ELITE_MODEL"
+#endif
+
+    instr_msg = xMessageBufferCreate(1024);
+    xTaskCreate(elite_instr_task, "elite_instr", 2048, NULL, 3, NULL);
+}
+
+void elite_instr_send(void *p, size_t size)
+{
+    /* reply the instruction */
+    extern ret_code_t le_data_update(uint8_t * p_value, uint16_t len);
+    le_data_update(p, size);
+
+    xMessageBufferSend(instr_msg, p, size, portMAX_DELAY);
+}

elite.h

@@ -0,0 +1,24 @@
+#ifndef __ELITE_H__
+#define __ELITE_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "app_error.h"
+
+#include "elite_def.h"
+
+    void elite_init(void);
+    void elite_instr_send(void *p, size_t size);
+    ret_code_t le_data_notify(uint8_t *p_value, uint16_t len);
+    ret_code_t le_event_notify(uint8_t *p_value, uint16_t len);
+    ret_code_t le_event_async_notify(uint8_t *p_value, uint16_t len, uint32_t ms_to_wait);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ELITE_H__ */

elite_adc.c

@@ -0,0 +1,8 @@
+#include "elite_adc.h"
+
+#include "nrf_log.h"
+
+void IinADCGainCtrl(uint8_t IinADCLevel) { NRF_LOG_INFO("%s", __FUNCTION__); }
+void VinADCGainCtrl(uint8_t VinADCLevel) { NRF_LOG_INFO("%s", __FUNCTION__); }
+void AutoGainChangeIin(int32_t RealCurrent, uint16_t plot_type, uint16_t *no_rec_time) { NRF_LOG_INFO("%s", __FUNCTION__); }
+void AutoGainChangeVin(int32_t RealVin) { NRF_LOG_INFO("%s", __FUNCTION__); }

elite_adc.h

@@ -0,0 +1,19 @@
+#ifndef __ELITE_ADC_H__
+#define __ELITE_ADC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+void IinADCGainCtrl(uint8_t IinADCLevel);
+void VinADCGainCtrl(uint8_t VinADCLevel);
+void AutoGainChangeIin(int32_t RealCurrent, uint16_t plot_type, uint16_t *no_rec_time);
+void AutoGainChangeVin(int32_t RealVin);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ELITE_ADC_H__ */

elite_board.c

@@ -0,0 +1,75 @@
+#include "elite_board.h"
+
+void elite_board_init(void)
+{
+#if (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+    edc20_io_init();
+#elif (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+    pel20_io_init();
+#elif (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+    cpg11_io_init();
+#endif
+}
+
+void elite_board_demo(void)
+{
+#if (DEF_ELITE_DEMO_WO_SOFTDEVICE || DEF_ELITE_DEMO_W_SOFTDEVICE)
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+
+#elif (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+    extern void pel_pulse_gen_demo(void);
+    pel_pulse_gen_demo();
+#elif (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+    cpg_pulse_default_demo_ext();
+#endif
+
+#endif
+}
+
+void elite_board_power_off(void)
+{
+#if (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+    edc20_io_power_off();
+#elif (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+#elif (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+#endif
+}
+
+void elite_drv_init(void)
+{
+    btn_init();
+    led_init();
+    led_set(LED_IDEL_DISCONNECT);
+    sw_init();
+    adc_init();
+    dac_init();
+    fs_init();
+    usbd_init();
+    uart_init();
+
+#if (DEF_FS_ENABLED && DEF_FS_RTT_DIR)
+    if (1)
+    {
+        static file_t hFile;
+        char write[64];
+        char read[64];
+
+        memset(write, 0x00, sizeof(write));
+        snprintf(write, sizeof(write), "Hellow %s Build: %s %s", ELITE_DEVICE_NAME, __TIME__, __DATE__);
+
+        fs_file_open(&hFile, "default.txt", FS_O_CREAT | FS_O_RDWR | FS_O_TRUNC);
+        fs_file_write(&hFile, write, strlen(write));
+        fs_file_close(&hFile);
+
+        memset(read, 0x00, sizeof(read));
+
+        fs_file_open(&hFile, "default.txt", FS_O_RDONLY);
+        fs_file_read(&hFile, read, sizeof(read));
+        fs_file_close(&hFile);
+        NRF_LOG_INFO("%s", read);
+
+        fs_dir("/");
+    }
+#endif /* ! DEF_FS_ENABLE */
+}

elite_board.h

@@ -0,0 +1,39 @@
+#ifndef __ELITE_BOARD_H__
+#define __ELITE_BOARD_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "adc_drv.h"
+#include "app_config.h"
+#include "btn.h"
+#include "dac_drv.h"
+#include "fs.h"
+#include "led_drv.h"
+#include "sw_drv.h"
+#include "uart_drv.h"
+#include "usbd.h"
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_DEV)
+#elif (DEF_ELITE_MODEL == DEF_ELITE_EDC_V2_0)
+#include "edc20_io.h"
+#elif (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+#include "pel20_io.h"
+#elif (DEF_ELITE_MODEL == DEF_ELITE_CPG_V1_1)
+#include "cpg11_io.h"
+#else
+#error "Not implemented xxx_io.h"
+#endif
+
+    void elite_board_init(void);
+    void elite_board_power_off(void);
+    void elite_drv_init(void);
+    void elite_board_demo(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ELITE_BOARD_H__ */

elite_correction.h

@@ -0,0 +1,36 @@
+#ifndef __ELITE_CORRECTION_H__
+#define __ELITE_CORRECTION_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+#define BOARD_EE_EF 1
+
+struct formula_ctx_t
+{
+    long long coeff;
+    long long offset;
+};
+
+struct correction_ctx_t
+{
+    struct formula_ctx_t ADC_volt[3];
+    struct formula_ctx_t ADC_current[4];
+    struct formula_ctx_t Usercode2DAC[2];
+    struct formula_ctx_t ADC_Vout_volt[1];
+    uint16_t Gain0Boundary[2];
+    uint16_t Gain1Boundary[4];
+    uint16_t Gain2Boundary[2];
+};
+
+int32_t DecodeADCValue(uint8_t adc_gain, uint8_t adc_channel, uint16_t adc_rxbuf);
+uint16_t Usercode_Correction_to_DAC(uint8_t dac_gain, uint16_t usercode);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ELITE_CORRECTION_H__ */

elite_dac.c

@@ -0,0 +1,55 @@
+#include "elite_dac.h"
+#include "edc.h"
+
+static bool DACReset;
+
+void VoutGainControl(uint8_t VOUTLevel)
+{
+    switch (VOUTLevel)
+    {
+        case 0:
+            // VOUT gain level = 0, using 240K resister
+            break;
+        case 1:
+            // VOUT gain level = 1, using 15K resister
+            break;
+        case 2:
+            // VOUT gain level = 2, using 15K resister
+            break;
+        default:
+            // default using 15K resister
+            break;
+    }
+}
+
+int32_t User2Real(uint16_t usr_code)
+{
+    /* transfer usr_code to real voltage value (mV) */
+    return (int32_t)((usr_code - 25000) / 5);
+}
+
+void AutoGainChangeVout(uint32_t *p_VoutGainLv, int32_t usr_code)
+{
+    int32_t RealVolt = (usr_code - 25000) * 200; // (usr_code - 25000) / 5 * 1000  [1uV]
+    // switch to 1 level volt(small)   15K
+    // switch to 2 level volt(large)   240K
+
+    if (*p_VoutGainLv == VOUT_GAIN_15K)
+    {
+        if (RealVolt > DAC_VOUT_GAIN_LARGE_BOUNDARY || RealVolt < -1 * DAC_VOUT_GAIN_LARGE_BOUNDARY)
+        {
+            // switch to 2 level volt(large)
+            *p_VoutGainLv = VOUT_GAIN_240K;
+            VoutGainControl(edc.instru.VoutGainLv);
+        }
+    }
+    else if (*p_VoutGainLv == VOUT_GAIN_240K)
+    {
+        if (RealVolt < DAC_VOUT_GAIN_SMALL_BOUNDARY && RealVolt > -1 * DAC_VOUT_GAIN_SMALL_BOUNDARY)
+        {
+            // switch to 1 level volt(small)
+            *p_VoutGainLv = VOUT_GAIN_15K;
+            VoutGainControl(edc.instru.VoutGainLv);
+        }
+    }
+}

elite_dac.h

@@ -0,0 +1,28 @@
+#ifndef __ELITE_DAC_H__
+#define __ELITE_DAC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#define DACCLS                                 0x02
+#define DACOUT                                 0x31
+
+// DAC Vout theoretical boundary <300, 100~ (mV)
+#define DAC_VOUT_GAIN_SMALL_BOUNDARY           100000 // 25500(usercode) = 100 mV
+#define DAC_VOUT_GAIN_LARGE_BOUNDARY           300000 // 26500(usercode) = 300 mV
+#define DAC_VOUT_GAIN_LARGE_BOUNDARY_USERCODE  26500  // 26500(usercode) = 300 mV
+#define DAC_VOUT_GAIN_LARGE_BOUNDARY1_USERCODE 23500  // 23500(usercode) = -300 mV
+
+void VoutGainControl(uint8_t VOUTLevel);
+int32_t User2Real(uint16_t UserCode);
+void AutoGainChangeVout(uint32_t *p_VoutGainLv, int32_t usr_code);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ELITE_DAC_H__ */

elite_def.h

@@ -0,0 +1,120 @@
+#ifndef __ELITE_DEF_H__
+#define __ELITE_DEF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+// define BT instruction
+#define INS_TYPE_RIS     0x30
+#define INS_TYPE_VIS     0xC0
+#define INS_TYPE_CIS     0x70
+
+// VIS (virtual instruction)
+#define VIS_RST          0xF0
+#define VIS_ASK          0x30
+#define VIS_STI          0xC0
+#define VIS_INT          0x60
+#define VIS_DEVICE_SHINY 0x10
+#define VIS_SHINY_DIS    0x20
+
+// RIS (real instruction)
+enum all_mode_e
+{
+    CURVE_IV                  = 0x01, // I-V Curve
+    CURVE_IV_CY               = 0x02, // Cycle I-V
+    CURVE_VO                  = 0x03, // Function Generator
+    CURVE_RT                  = 0x04, // R-T Graph
+    CURVE_VT                  = 0x05, // V-T Graph
+    CURVE_IT                  = 0x06, // I-T Graph
+    CURVE_CC                  = 0x07, // Constant Current (CC)
+    CURVE_OCP                 = 0x08, // Open Circuit Potential (OCP)
+    CURVE_CV                  = 0x09, // Cyclic Voltammetry (CV)
+    CURVE_LSV                 = 0x0A, // Linear Sweep Voltammetry (LSV)
+    CURVE_CA                  = 0x0B, // Chronoamperometric Graph (CA)
+    CURVE_CP                  = 0x0C, // Chronopotentiometry (CP)
+    CURVE_UNI_PULSE           = 0x0D, // Pulse Sensing (universal pulse)
+    CURVE_DPV                 = 0x0E, // Differential Pulse Voltammetry (DPV)
+    CURVE_DPV_ADVANCE         = 0x0F,
+    CURVE_DPV_SMPRATE         = 0x10,
+    CURVE_DPV_ADVANCE_SMPRATE = 0x11,
+    CURVE_EIS                 = 0x12,
+    CURVE_CF                  = 0x13, // Constant Frequency(CF)
+    CURVE_CALI                = 0xF1,
+    SET_SAMPLE_RATE           = 0xE0,
+    DEV_MODE                  = 0xFF, // Develop Mode
+};
+
+// CIS (control instruction)
+#define CIS_VERSION        0x40
+#define CIS_VOLT           0x10
+#define CIS_TEMPERATURE    0x80
+#define CIS_LED_TEST       0x70
+#define CIS_CALI           0x30
+#define CIS_CALI2          0x90
+
+#define CTL_WRT            0x20
+#define CTL_RD             0x21
+#define CTL_RD_DFTR        0x78
+#define CTL_RD_DFTI        0x7C
+#define CTL_RD_ADC         0x7A
+#define CTL_RESET          0x11
+
+// mode parameter
+
+#define VMAX(v1, v2)       ((v1 >= v2) ? v1 : v2)
+#define VMIN(v1, v2)       ((v1 < v2) ? v1 : v2)
+#define VDIRECTION(v1, v2) ((v1 > v2) ? 0 : 1)
+#define AFTER_READ_I       0
+#define AFTER_READ_V       1
+#define PARA_1             0x01
+#define PARA_2             0x02
+#define PARA_3             0x03
+#define PARA_4             0x04
+#define PARA_5             0x05
+#define PARA_6             0x06
+#define PARA_7             0x07
+#define PARA_8             0x08
+#define PARA_9             0x09
+#define PARA_10            0x0A
+#define PARA_11            0x0B
+#define PARA_12            0x0C
+#define PARA_13            0x0D
+#define PARA_14            0x0E
+#define PARA_15            0x0F
+#define PARA_16            0x10
+#define PARA_17            0x11
+
+// Elite LED
+#define COLOR_BLACK        0x00
+#define COLOR_RED          0x01
+#define COLOR_ORANGE       0x02
+#define COLOR_YELLOW       0x03
+#define COLOR_GREEN        0x04
+#define COLOR_BLUE         0x05
+#define COLOR_CYAN         0x06
+#define COLOR_MAGENTA      0x07
+#define COLOR_PURPLE       0x08
+#define COLOR_WHITE        0x09
+#define COLOR_YELLOWGREEN  0x0A
+
+#define BT_WAIT            0x01
+#define NO_EVENT           0x02
+#define PRE_WORK           0x03
+#define WORKING            0x04
+#define POST_WORK          0x05
+
+typedef struct
+{
+    void (*cis_func[256])(uint8_t *ins, uint16_t size);
+    void (*vis_func[256])(uint8_t *ins, uint16_t size);
+    void (*ris_func[256])(uint8_t *ins, uint16_t size);
+} elite_instance_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ELITE_DEF_H__ */

elite_dev.c

@@ -0,0 +1,256 @@
+#include "elite_dev.h"
+
+#include "nrf_gpio.h"
+#include "nrf_log.h"
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_DEV)
+
+#define VERSION_DATE_YEAR   24
+#define VERSION_DATE_MONTH  7
+#define VERSION_DATE_DAY    2
+#define VERSION_DATE_HOUR   11
+#define VERSION_DATE_MINUTE 32
+static void cis_version(uint8_t *ins, uint16_t size)
+{
+    NRF_LOG_INFO("%s", __FUNCTION__);
+    uint8_t cis_ver[] = {
+        CIS_VERSION,
+        VERSION_DATE_YEAR,
+        VERSION_DATE_MONTH,
+        VERSION_DATE_DAY,
+        VERSION_DATE_HOUR,
+        VERSION_DATE_MINUTE,
+    };
+    extern ret_code_t le_data_update(uint8_t * p_value, uint16_t len);
+    le_data_update((void *)cis_ver, sizeof(cis_ver));
+}
+
+static void vis_rst(uint8_t *ins, uint16_t size)
+{
+    NRF_LOG_INFO("%s", __FUNCTION__);
+}
+
+#define UNDEF_GPIO 0xFFFFFFFF
+
+// The GPIO corresponding to the pin
+const uint32_t pin_to_gpio_table[] = {
+    [6]  = NRF_GPIO_PIN_MAP(0, 22),
+    [8]  = NRF_GPIO_PIN_MAP(0, 25),
+    [9]  = NRF_GPIO_PIN_MAP(0, 19),
+    [10] = NRF_GPIO_PIN_MAP(0, 21),
+    [11] = NRF_GPIO_PIN_MAP(1, 00),
+    [12] = NRF_GPIO_PIN_MAP(0, 18),
+    [13] = NRF_GPIO_PIN_MAP(0, 17),
+    [14] = NRF_GPIO_PIN_MAP(0, 20),
+    [16] = NRF_GPIO_PIN_MAP(0, 14),
+    [17] = NRF_GPIO_PIN_MAP(0, 13),
+    [18] = NRF_GPIO_PIN_MAP(0, 11),
+    [20] = NRF_GPIO_PIN_MAP(0, 15),
+    [25] = NRF_GPIO_PIN_MAP(1, 8),
+    [26] = NRF_GPIO_PIN_MAP(0, 12),
+    [27] = NRF_GPIO_PIN_MAP(0, 7),
+    [28] = NRF_GPIO_PIN_MAP(1, 9),
+    [29] = NRF_GPIO_PIN_MAP(0, 8),
+    [30] = NRF_GPIO_PIN_MAP(0, 6),
+    [31] = NRF_GPIO_PIN_MAP(0, 5),
+    [32] = NRF_GPIO_PIN_MAP(0, 27),
+    [33] = NRF_GPIO_PIN_MAP(0, 26),
+    [34] = NRF_GPIO_PIN_MAP(0, 4),
+    [36] = NRF_GPIO_PIN_MAP(0, 1),
+    [37] = NRF_GPIO_PIN_MAP(0, 29),
+    [38] = NRF_GPIO_PIN_MAP(0, 0),
+    [39] = NRF_GPIO_PIN_MAP(0, 31),
+    [40] = NRF_GPIO_PIN_MAP(1, 15),
+    [41] = NRF_GPIO_PIN_MAP(0, 2),
+    [42] = NRF_GPIO_PIN_MAP(0, 30),
+    [43] = NRF_GPIO_PIN_MAP(0, 28),
+    [44] = NRF_GPIO_PIN_MAP(1, 12),
+    [45] = NRF_GPIO_PIN_MAP(1, 14),
+    [46] = NRF_GPIO_PIN_MAP(0, 3),
+    [47] = NRF_GPIO_PIN_MAP(1, 13),
+    [48] = NRF_GPIO_PIN_MAP(1, 3),
+    [49] = NRF_GPIO_PIN_MAP(1, 10),
+    [50] = NRF_GPIO_PIN_MAP(1, 6),
+    [51] = NRF_GPIO_PIN_MAP(1, 11),
+    [52] = NRF_GPIO_PIN_MAP(0, 10),
+    [53] = NRF_GPIO_PIN_MAP(0, 9),
+    [59] = NRF_GPIO_PIN_MAP(1, 2),
+    [60] = NRF_GPIO_PIN_MAP(0, 24),
+    [61] = NRF_GPIO_PIN_MAP(0, 23),
+    [62] = NRF_GPIO_PIN_MAP(0, 16),
+};
+
+static uint32_t bmd380pins_convert_to_gpio(uint32_t pin)
+{
+    uint32_t gpio;
+
+    switch (pin)
+    {
+        case 6:
+        case 8:
+        case 9:
+        case 10:
+        case 11:
+        case 12:
+        case 13:
+        case 14:
+        case 16:
+        case 17:
+        case 18:
+        case 20:
+        case 25:
+        case 26:
+        case 27:
+        case 28:
+        case 29:
+        case 30:
+        case 31:
+        case 32:
+        case 33:
+        case 34:
+        case 36:
+        case 37:
+        case 38:
+        case 39:
+        case 40:
+        case 41:
+        case 42:
+        case 43:
+        case 44:
+        case 45:
+        case 46:
+        case 47:
+        case 48:
+        case 49:
+        case 50:
+        case 51:
+        case 52:
+        case 53:
+        case 59:
+        case 60:
+        case 61:
+        case 62:
+            gpio = pin_to_gpio_table[pin];
+            break;
+        default:
+            gpio = UNDEF_GPIO;
+            NRF_LOG_INFO("UNDEF_GPIO: pin %d can't convert to gpio number", pin);
+            break;
+    }
+
+    return gpio;
+}
+
+static void set_bmd380_pin_signal(uint32_t pin, uint32_t high_low)
+{
+    uint32_t gpio = bmd380pins_convert_to_gpio(pin);
+
+    if (gpio != UNDEF_GPIO)
+    {
+        nrf_gpio_cfg_output(gpio);
+        nrf_gpio_pin_write(gpio, high_low);
+        NRF_LOG_INFO("set pin %d (gpio %d) = %d", pin, gpio, high_low);
+    }
+}
+
+/*
+    dev_mode_gpio_function
+    (1)0x3000FFA000ppss
+            -func: set_bmd380_pin_signal
+            -pp: pin number     06h-3Fh
+                06h: P0.22_GPIO
+                08h: P0.25_GPIO
+                ......
+                3Eh: P0.16_GPIO
+            -ss: signal         00h-01h
+                00h: low
+                01h: high
+
+    (2)0x3000FFA001ss
+        -func: set_bmd380 all pin signal high/low
+        -ss: signal         00h-01h
+            00h: low
+            01h: high
+*/
+void dev_mode_gpio_function(uint8_t *ins)
+{
+    struct __PACKED
+    {
+        uint8_t id     : 4;
+        uint8_t        : 4;
+        uint16_t magic : 16;
+        uint8_t dev_opcode;
+        uint8_t gpio_function_opcode;
+        uint8_t param[];
+    } *p_ins = (void *)ins;
+
+    switch (p_ins->gpio_function_opcode)
+    {
+        case 0x00: {
+            uint32_t pin      = p_ins->param[0];
+            uint32_t high_low = p_ins->param[1];
+            set_bmd380_pin_signal(pin, high_low);
+            break;
+        }
+
+        case 0x01: {
+            uint32_t high_low    = p_ins->param[0];
+            uint32_t set_pin[44] = { 6, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 20, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 59, 60, 61, 62 };
+
+            for (int i = 0; i < sizeof(set_pin) / sizeof(set_pin[0]); i++)
+            {
+                set_bmd380_pin_signal(set_pin[i], high_low);
+            }
+            break;
+        }
+    }
+}
+
+#define MAGIC_NUM 0xFF00
+static void dev_mode(uint8_t *ins, uint16_t size)
+{
+    NRF_LOG_INFO("%s", __FUNCTION__);
+    struct __PACKED
+    {
+        uint8_t id     : 4;
+        uint8_t        : 4;
+        uint16_t magic : 16;
+        uint8_t opcode;
+        uint8_t param[];
+    } *p_ins = (void *)ins;
+
+    if (p_ins->magic != MAGIC_NUM)
+    {
+        return;
+    }
+
+    // TODO...
+    switch (p_ins->opcode)
+    {
+        case 0xA0:
+            dev_mode_gpio_function(ins);
+            break;
+
+        default:
+            break;
+    }
+}
+
+const elite_instance_t pel_elite_instance = {
+    .cis_func = {
+                 [CIS_VERSION] = cis_version,
+                 },
+    .vis_func = {
+                 [VIS_RST] = vis_rst,
+                 },
+    .ris_func = {
+                 [DEV_MODE] = dev_mode,
+                 }
+};
+
+const elite_instance_t *dev_init(void)
+{
+    return &pel_elite_instance;
+}
+
+#endif /* !DEF_ELITE_MODEL */

elite_dev.h

@@ -0,0 +1,17 @@
+#ifndef __ELITE_DEV_H__
+#define __ELITE_DEV_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "elite.h"
+
+const elite_instance_t *dev_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __ELITE_DEV_H__ */

fs.c

@@ -0,0 +1,205 @@
+#include "fs.h"
+
+#include "nrf.h"
+#include "nrf_log.h"
+
+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "task.h"
+
+#if (DEF_GD25D10C_ENABLED)
+#include "gd25d10c.h"
+static const block_dev_drv_if_t *p_inst = &gd25d110c;
+#endif /* ! DEF_GD25D10C_ENABLED */
+
+#if (DEF_FS_ENABLED)
+static SemaphoreHandle_t m_sem = NULL;
+static struct lfs_config lfs_config;
+static lfs_t lfs;
+
+static int lfs_read(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, void *buffer, lfs_size_t size)
+{
+    if (c->context == NULL)
+    {
+        return LFS_ERR_IO;
+    }
+    p_inst->read_data(buffer, block * c->block_size + off, size);
+    return LFS_ERR_OK;
+}
+
+static int lfs_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, const void *buffer, lfs_size_t size)
+{
+    if (c->context == NULL)
+    {
+        return LFS_ERR_IO;
+    }
+    p_inst->page_prog((void *)buffer, block * c->block_size + off, size / c->prog_size);
+    return LFS_ERR_OK;
+}
+
+static int lfs_erase(const struct lfs_config *c, lfs_block_t block)
+{
+    if (c->context == NULL)
+    {
+        return LFS_ERR_IO;
+    }
+    p_inst->sect_erase(block * c->block_size, 1);
+    return LFS_ERR_OK;
+}
+
+static int lfs_sync(const struct lfs_config *c)
+{
+    if (c->context == NULL)
+    {
+        return LFS_ERR_IO;
+    }
+    return LFS_ERR_OK;
+}
+
+static int lfs_lock(const struct lfs_config *c)
+{
+    if (c->context == NULL)
+    {
+        return LFS_ERR_IO;
+    }
+    xSemaphoreTake(m_sem, portMAX_DELAY);
+    return LFS_ERR_OK;
+}
+
+static int lfs_unlock(const struct lfs_config *c)
+{
+    if (c->context == NULL)
+    {
+        return LFS_ERR_IO;
+    }
+    xSemaphoreGive(m_sem);
+    return LFS_ERR_OK;
+}
+
+void fs_init(void)
+{
+    m_sem = xSemaphoreCreateMutex();
+
+    if (p_inst->init() == BLOCK_DEV_SUCCESS)
+    {
+        lfs_config.context = (void *)p_inst;
+
+        // block device operations
+        lfs_config.read   = lfs_read;
+        lfs_config.prog   = lfs_prog;
+        lfs_config.erase  = lfs_erase;
+        lfs_config.sync   = lfs_sync;
+        lfs_config.lock   = lfs_lock;
+        lfs_config.unlock = lfs_unlock;
+
+        // block device configuration
+        lfs_config.read_size      = 1;
+        lfs_config.prog_size      = p_inst->page_size;
+        lfs_config.block_size     = p_inst->sect_size;
+        lfs_config.block_count    = p_inst->sect_count;
+        lfs_config.block_cycles   = 5000;
+        lfs_config.cache_size     = p_inst->page_size;
+        lfs_config.lookahead_size = sizeof(uint32_t);
+    }
+
+    if (lfs_mount(&lfs, &lfs_config) < 0)
+    {
+        if (lfs_format(&lfs, &lfs_config) < 0)
+        {
+            __BKPT(255);
+        }
+        if (lfs_mount(&lfs, &lfs_config) < 0)
+        {
+            return;
+        }
+    }
+}
+
+int fs_file_open(file_t *hFile, char *filename, uint32_t attr)
+{
+    int ret = lfs_file_open(&lfs, hFile, filename, attr);
+    return ret;
+}
+
+int fs_file_write(file_t *hFile, void *write, uint32_t size)
+{
+    int ret = lfs_file_write(&lfs, hFile, write, size);
+    return ret;
+}
+
+int fs_file_read(file_t *hFile, void *read, uint32_t size)
+{
+    int ret = lfs_file_read(&lfs, hFile, read, size);
+    return ret;
+}
+
+int fs_file_close(file_t *hFile)
+{
+    int ret = lfs_file_close(&lfs, hFile);
+    return ret;
+}
+
+int fs_dir(char *path)
+{
+    int ret           = 0;
+    int fileCount     = 0;
+    int dirCount      = 0;
+    int totalFileSize = 0;
+
+    char *str             = pvPortMalloc(256);
+    lfs_dir_t *dir        = pvPortMalloc(sizeof(lfs_dir_t));
+    struct lfs_info *info = pvPortMalloc(sizeof(struct lfs_info));
+
+    snprintf(str, 256, "Directory of %s", path);
+    NRF_LOG_INFO("%s", str);
+
+    ret = lfs_dir_open(&lfs, dir, path);
+
+    if (ret == LFS_ERR_OK)
+    {
+        do {
+            ret = lfs_dir_read(&lfs, dir, info);
+
+            if (ret > 0)
+            {
+                snprintf(str,
+                         256,
+                         "%5s%10ld bytes    %s",
+                         info->type == LFS_TYPE_REG ? "     " : info->type == LFS_TYPE_DIR ? "<dir>" :
+                                                                                             "unkown",
+                         info->size,
+                         info->name);
+                NRF_LOG_INFO("%s", str);
+                switch (info->type)
+                {
+                    case LFS_TYPE_REG:
+                        fileCount++;
+                        totalFileSize += info->size;
+                        break;
+                    case LFS_TYPE_DIR:
+                        dirCount++;
+                        break;
+                    default:
+                        break;
+                }
+            }
+            else
+            {
+                snprintf(str, 256, "%15d dir(s)", dirCount);
+                NRF_LOG_INFO("%s", str);
+                snprintf(str, 256, "%15d file(s), total %d byets", fileCount, totalFileSize);
+                NRF_LOG_INFO("%s", str);
+            }
+        } while (ret > 0);
+
+        ret = lfs_dir_close(&lfs, dir);
+    }
+
+    vPortFree(info);
+    vPortFree(dir);
+    vPortFree(str);
+
+    return ret;
+}
+
+#endif /* !DEF_FS_ENABLED */

fs.h

@@ -0,0 +1,42 @@
+#ifndef __FS_H__
+#define __FS_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+
+#include "lfs.h"
+#include "lfs_util.h"
+
+typedef lfs_file_t file_t;
+
+#define FS_O_RDONLY LFS_O_RDONLY // Open a file as read only
+#define FS_O_WRONLY LFS_O_WRONLY // Open a file as write only
+#define FS_O_RDWR   LFS_O_RDWR   // Open a file as read and write
+#define FS_O_CREAT  LFS_O_CREAT  // Create a file if it does not exist
+#define FS_O_EXCL   LFS_O_EXCL   // Fail if a file already exists
+#define FS_O_TRUNC  LFS_O_TRUNC  // Truncate the existing file to zero size
+#define FS_O_APPEND LFS_O_APPEND // Move to end of file on every write
+
+#if (DEF_FS_ENABLED)
+void fs_init(void);
+int fs_file_open(file_t *hFile, char *filename, uint32_t attr);
+int fs_file_write(file_t *hFile, void *write, uint32_t size);
+int fs_file_read(file_t *hFile, void *read, uint32_t size);
+int fs_file_close(file_t *hFile);
+int fs_dir(char *path);
+#else
+#define fs_init()
+#define fs_file_write(x, y, z)
+#define fs_file_read(x, y, z)
+#define fs_file_close(x)
+#define fs_dir(x)
+#endif /* ! DEF_FS_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __FS_H__ */

gd25d10c.c

@@ -0,0 +1,275 @@
+#include "gd25d10c.h"
+
+#include <string.h>
+
+#if (DEF_GD25D10C_ENABLED)
+
+#define ERASE_BLOCK_SIZE (32 * 1024)
+#define ERASE_SECT_SIZE  4096
+#define PROG_PAGE_SIZE   256
+#define PAGE_PER_SECT    16
+#define PAGE_PER_BLOCK   128
+#define SECT_PER_BLOCK   8
+#define BLOCK_PER_DEV    4
+
+#define CMD_READ         0x03
+#define CMD_WREN         0x06
+#define CMD_WRDI         0x04
+#define CMD_RDSR         0x05
+#define CMD_WRSR         0x01
+#define CMD_PP           0x02
+#define CMD_RDID         0x9F
+#define CMD_SE           0x20
+#define CMD_BE           0x52
+
+#define WIP_BIT          0x01
+#define WEL_BIT          0x02
+
+#define MANUFACTURER_ID  0xC8
+#define MEMORY_TYPE      0x40
+#define CAPACITY         0x11
+
+#define EXPECT_ID        ((MANUFACTURER_ID << 16) | (MEMORY_TYPE << 8) | (CAPACITY << 0))
+
+uint8_t xfer_buf[4096 + 32];
+
+static int read_data(uint8_t *p_dest, uint32_t addr, uint32_t size)
+{
+    struct send
+    {
+        union
+        {
+            uint32_t val;
+            struct
+            {
+                uint32_t addr : 24;
+                uint32_t cmd  : 8;
+            };
+        };
+    } *p_tx = (void *)xfer_buf;
+
+    struct recv
+    {
+        uint32_t dummy;
+        uint8_t recv[0];
+    } *p_rx = (void *)xfer_buf;
+
+    p_tx->cmd  = CMD_READ;
+    p_tx->addr = addr;
+    p_tx->val  = __REV(p_tx->val);
+    spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), (void *)p_rx, offsetof(struct recv, recv) + size);
+    memcpy(p_dest, &xfer_buf[sizeof(*p_tx)], size);
+    return BLOCK_DEV_SUCCESS;
+}
+
+static void write_enable(void)
+{
+    uint32_t tx = 0;
+    struct send
+    {
+        uint8_t cmd;
+    } *p_tx   = (void *)&tx;
+    p_tx->cmd = CMD_WREN;
+    spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), NULL, 0);
+}
+
+static void write_disable(void)
+{
+    uint32_t tx = 0;
+    struct send
+    {
+        uint8_t cmd;
+    } *p_tx   = (void *)&tx;
+    p_tx->cmd = CMD_WRDI;
+    spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), NULL, 0);
+}
+
+static uint32_t read_status(void)
+{
+    uint32_t tx = 0, rx = 0;
+
+    struct send
+    {
+        uint8_t cmd;
+        uint8_t dummy;
+    } *p_tx = (void *)&tx;
+
+    struct recv
+    {
+        uint8_t dummy;
+        uint8_t status;
+    } *p_rx = (void *)&rx;
+
+    p_tx->cmd   = CMD_RDSR;
+    p_tx->dummy = 0xFF;
+    spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), (void *)p_rx, offsetof(struct recv, status) + sizeof(p_rx->status));
+    return p_rx->status;
+}
+
+static void write_status(uint8_t stauts)
+{
+    uint32_t tx = 0;
+    struct send
+    {
+        uint8_t cmd;
+        uint8_t stauts;
+    } *p_tx      = (void *)&tx;
+    p_tx->cmd    = CMD_RDSR;
+    p_tx->stauts = stauts;
+    spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), NULL, 0);
+}
+
+static int page_prog(uint8_t *p_src, uint32_t addr, uint32_t page_cnt)
+{
+    for (uint32_t i = 0; i < page_cnt; i++)
+    {
+        write_enable();
+
+        struct send
+        {
+            union
+            {
+                uint32_t val;
+                struct
+                {
+                    uint32_t addr : 24;
+                    uint32_t cmd  : 8;
+                };
+            };
+
+            uint8_t data[256];
+        } *p_tx = (void *)xfer_buf;
+
+        p_tx->cmd  = CMD_PP;
+        p_tx->addr = addr + PROG_PAGE_SIZE * i;
+        p_tx->val  = __REV(p_tx->val);
+        memcpy(p_tx->data, (void *)(&p_src[PROG_PAGE_SIZE * i]), PROG_PAGE_SIZE);
+
+        spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), NULL, 0);
+
+        do {
+        } while ((read_status() & WIP_BIT));
+    }
+    return BLOCK_DEV_SUCCESS;
+}
+
+int sect_erase(uint32_t addr, uint32_t sect_cnt)
+{
+    for (uint32_t i = 0; i < sect_cnt; i++)
+    {
+        write_enable();
+
+        struct send
+        {
+            union
+            {
+                uint32_t val;
+                struct
+                {
+                    uint32_t addr : 24;
+                    uint32_t cmd  : 8;
+                };
+            };
+        } *p_tx = (void *)xfer_buf;
+
+        p_tx->cmd  = CMD_SE;
+        p_tx->addr = addr + i * ERASE_SECT_SIZE;
+        p_tx->val  = __REV(p_tx->val);
+        spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), NULL, 0);
+
+        do {
+        } while ((read_status() & WIP_BIT));
+    }
+    return BLOCK_DEV_SUCCESS;
+}
+
+int block_erase(uint32_t addr, uint32_t block_cnt)
+{
+
+    for (uint32_t i = 0; i < block_cnt; i++)
+    {
+        write_enable();
+
+        struct send
+        {
+            union
+            {
+                uint32_t val;
+                struct
+                {
+                    uint32_t addr : 24;
+                    uint32_t cmd  : 8;
+                };
+            };
+        } *p_tx = (void *)xfer_buf;
+
+        p_tx->cmd  = CMD_BE;
+        p_tx->addr = addr + i * ERASE_BLOCK_SIZE;
+        p_tx->val  = __REV(p_tx->val);
+
+        spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), NULL, 0);
+
+        do {
+        } while ((read_status() & WIP_BIT));
+    }
+    return BLOCK_DEV_SUCCESS;
+}
+
+uint32_t dev_id(void)
+{
+    uint32_t tx = 0, rx = 0;
+
+    struct send
+    {
+        uint32_t cmd   : 8;
+        uint32_t dummy : 24;
+    } *p_tx     = (void *)&tx;
+    p_tx->cmd   = CMD_RDID;
+    p_tx->dummy = 0x000000;
+
+    struct recv
+    {
+        uint32_t dummy        : 8;
+        uint32_t manufacturer : 8;
+        uint32_t memory_type  : 8;
+        uint32_t capacity     : 8;
+    } *p_rx = (void *)&rx;
+
+    spim_xfer(CS_MEM_PIN, NRF_SPIM_MODE_0, (void *)p_tx, sizeof(*p_tx), (void *)p_rx, sizeof(*p_rx));
+
+    return __REV(rx) & 0x00FFFFFF;
+}
+
+static int init(void)
+{
+    uint32_t id = dev_id();
+
+    if (EXPECT_ID == id)
+    {
+        return BLOCK_DEV_SUCCESS;
+    }
+
+    return BLOCK_DEV_ERROR;
+}
+
+static int reset(void)
+{
+    //  Do nothing
+    return 0;
+}
+
+const block_dev_drv_if_t gd25d110c = {
+    .init          = init,
+    .reset         = reset,
+    .read_data     = read_data,
+    .page_prog     = page_prog,
+    .sect_erase    = sect_erase,
+    .block_erase   = block_erase,
+    .block_size    = ERASE_BLOCK_SIZE,
+    .sect_size     = ERASE_SECT_SIZE,
+    .sect_count    = BLOCK_PER_DEV * SECT_PER_BLOCK,
+    .page_size     = PROG_PAGE_SIZE,
+    .page_per_sect = (ERASE_SECT_SIZE / PROG_PAGE_SIZE)
+};
+
+#endif /* ! DEF_GD25D10C_ENABLED */

gd25d10c.h

@@ -0,0 +1,22 @@
+#ifndef __GD25D10C_H__
+#define __GD25D10C_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "elite_board.h"
+#include "block_dev_drv_if.h"
+
+#if (DEF_GD25D10C_ENABLED)
+
+extern const block_dev_drv_if_t gd25d110c;
+
+#endif /* ! DEF_GD25D10C_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __GD25D10C_H__ */

j_scop.c

@@ -0,0 +1,23 @@
+#include "app_config.h"
+
+#include <SEGGER_RTT.h>
+
+#if (DEF_RTT_JSCOP_ENABLED)
+
+static char JS_RTT_UpBuffer[4096]; // J-Scope RTT Buffer
+static int JS_RTT_Channel = 1;     // J-Scope RTT Channel
+
+void j_scop_init(void)
+{
+    //
+    // Configure J-Scope RTT buffer for one unsigned int and one signed int
+    //
+    SEGGER_RTT_ConfigUpBuffer(JS_RTT_Channel, "JScope_f4", &JS_RTT_UpBuffer[0], sizeof(JS_RTT_UpBuffer), SEGGER_RTT_MODE_NO_BLOCK_SKIP);
+}
+
+void j_scope_update(float f)
+{
+    SEGGER_RTT_Write(JS_RTT_Channel, &f, sizeof(f));
+}
+
+#endif

le_adv.c

@@ -0,0 +1,98 @@
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "app_error.h"
+
+#include "ble_advertising.h"
+
+#include "nrf_sdh_ble.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */
+
+#define BLE_ADV_UUID                      \
+    {                                     \
+        {                                 \
+            ELITE_UUID, BLE_UUID_TYPE_BLE \
+        }                                 \
+    }
+
+static void le_adv_evt_handler(ble_adv_evt_t const adv_evt)
+{
+    switch (adv_evt)
+    {
+        case BLE_ADV_EVT_IDLE:
+        case BLE_ADV_EVT_DIRECTED_HIGH_DUTY:
+        case BLE_ADV_EVT_DIRECTED:
+        case BLE_ADV_EVT_FAST:
+        case BLE_ADV_EVT_SLOW:
+        case BLE_ADV_EVT_FAST_WHITELIST:
+        case BLE_ADV_EVT_SLOW_WHITELIST:
+        case BLE_ADV_EVT_WHITELIST_REQUEST:
+        case BLE_ADV_EVT_PEER_ADDR_REQUEST:
+        default:
+            break;
+    }
+}
+
+static void le_adv_error_handler(uint32_t nrf_error)
+{
+    // TODO...
+    __BKPT(255);
+}
+
+void le_adv_init(uint8_t ble_conn_cfg_tag)
+{
+    uint32_t err_code;
+    ble_advertising_init_t init;
+
+    memset(&init, 0, sizeof(init));
+
+    struct
+    {
+        uint8_t company_code[2];
+        uint8_t hw_ver[4];
+        uint8_t build_time[2];
+        uint8_t bat_str[3];
+        uint16_t bat_volt;
+    } __PACKED data = {
+        .hw_ver     = ELITE_HW_VER,
+        .build_time = {24, 01},
+        .bat_str    = "BAT",
+        .bat_volt   = 0x0C1C,
+    };
+
+    ble_advdata_manuf_data_t manuf_specific_data;
+    manuf_specific_data.data.p_data = (uint8_t *)&data;
+    manuf_specific_data.data.size   = sizeof(data);
+    memcpy(&manuf_specific_data.company_identifier, &ELITE_COMPANY_CODE[0], 2);
+    memcpy(&data.company_code[0], &ELITE_COMPANY_CODE[2], 2);
+
+    ble_uuid_t m_adv_uuids[]             = BLE_ADV_UUID;
+    init.advdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);
+    init.advdata.uuids_complete.p_uuids  = m_adv_uuids;
+    init.advdata.flags                   = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
+    init.srdata.p_manuf_specific_data    = &manuf_specific_data;
+    init.srdata.name_type                = BLE_ADVDATA_FULL_NAME;
+
+    init.config.ble_adv_fast_enabled  = true;
+    init.config.ble_adv_fast_interval = MSEC_TO_UNITS(75, UNIT_0_625_MS);
+    init.config.ble_adv_fast_timeout  = MSEC_TO_UNITS(0, UNIT_10_MS);
+
+    init.evt_handler   = le_adv_evt_handler;
+    init.error_handler = le_adv_error_handler;
+
+    err_code = ble_advertising_init(&m_advertising, &init);
+    APP_ERROR_CHECK(err_code);
+
+    ble_advertising_conn_cfg_tag_set(&m_advertising, ble_conn_cfg_tag);
+
+    ret_code_t ret = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST);
+    APP_ERROR_CHECK(ret);
+}

le_dfu.c

@@ -0,0 +1,64 @@
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "app_error.h"
+
+#include "ble_conn_state.h"
+#include "ble_dfu.h"
+
+#include "nrf_log.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+static void le_dfu_evt_handler(ble_dfu_buttonless_evt_type_t event)
+{
+    switch (event)
+    {
+        case BLE_DFU_EVT_BOOTLOADER_ENTER_PREPARE:
+            NRF_LOG_INFO("Device is preparing to enter bootloader mode.");
+            // Disconnect all other bonded devices that currently are connected.
+            // This is required to receive a service changed indication
+            // on bootup after a successful (or aborted) Device Firmware Update.
+            extern void le_gap_disconnect(uint16_t conn_handle, void *p_context);
+            uint32_t conn_count = ble_conn_state_for_each_connected(le_gap_disconnect, NULL);
+            NRF_LOG_INFO("Disconnected %d links.", conn_count);
+            break;
+
+        case BLE_DFU_EVT_BOOTLOADER_ENTER:
+            // YOUR_JOB: Write app-specific unwritten data to FLASH, control finalization of this
+            //           by delaying reset by reporting false in app_shutdown_handler
+            NRF_LOG_INFO("Device will enter bootloader mode.");
+            break;
+
+        case BLE_DFU_EVT_BOOTLOADER_ENTER_FAILED:
+            NRF_LOG_ERROR("Request to enter bootloader mode failed asynchroneously.");
+            // YOUR_JOB: Take corrective measures to resolve the issue
+            //           like calling APP_ERROR_CHECK to reset the device.
+            break;
+
+        case BLE_DFU_EVT_RESPONSE_SEND_ERROR:
+            NRF_LOG_ERROR("Request to send a response to client failed.");
+            // YOUR_JOB: Take corrective measures to resolve the issue
+            //           like calling APP_ERROR_CHECK to reset the device.
+            APP_ERROR_CHECK(false);
+            break;
+
+        default:
+            NRF_LOG_ERROR("Unknown event from ble_dfu_buttonless.");
+            break;
+    }
+}
+
+void le_dfu_init(void)
+{
+    // ble dfu service
+    ble_dfu_buttonless_init_t dfus_init = { 0 };
+    dfus_init.evt_handler               = le_dfu_evt_handler;
+    ret_code_t err_code                 = ble_dfu_buttonless_init(&dfus_init);
+    APP_ERROR_CHECK(err_code);
+}

le_elite_srv.c

@@ -0,0 +1,340 @@
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <string.h>
+
+#include "app_config.h"
+#include "app_error.h"
+
+#include "ble_srv_common.h"
+
+#include "nrf_log.h"
+#include "nrf_sdh_ble.h"
+
+#include "FreeRTOS.h"
+#include "message_buffer.h"
+#include "task.h"
+
+#include "elite.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#if NRF_MODULE_ENABLED(BLE_ELITE_SRV)
+
+#define BLE_UUID_ELITE_SERVICE    0xFFF0
+#define BLE_UUID_ELITE_DATA_CHAR  0xFFF1
+#define BLE_UUID_ELITE_INST_CHAR  0xFFF2
+#define BLE_UUID_ELITE_EVENT_CHAR 0xFFF3
+#define BLE_UUID_ELITE_BEGIN_CHAR BLE_UUID_ELITE_DATA_CHAR
+#define BLE_UUID_ELITE_END_CHAR   (BLE_UUID_ELITE_EVENT_CHAR + 1)
+
+typedef struct
+{
+    uint16_t conn_handle;
+    uint16_t service_handle;
+    ble_gatts_char_handles_t data_char_handle;
+    ble_gatts_char_handles_t inst_char_handle;
+    ble_gatts_char_handles_t event_char_handle;
+    bool data_notify_enable;
+    bool inst_notify_enable;
+    bool event_notify_enable;
+} elite_context_t;
+
+static elite_context_t elite_context = {
+    .conn_handle         = BLE_CONN_HANDLE_INVALID,
+    .data_notify_enable  = false,
+    .inst_notify_enable  = false,
+    .event_notify_enable = false,
+};
+
+static MessageBufferHandle_t async_notify_msg = NULL;
+
+static void on_connect(elite_context_t *p_context, ble_evt_t const *p_ble_evt)
+{
+    taskENTER_CRITICAL();
+    p_context->conn_handle = p_ble_evt->evt.common_evt.conn_handle;
+    taskEXIT_CRITICAL();
+}
+
+static void on_disconnect(elite_context_t *p_context, ble_evt_t const *p_ble_evt)
+{
+    taskENTER_CRITICAL();
+    p_context->conn_handle         = BLE_CONN_HANDLE_INVALID;
+    p_context->data_notify_enable  = false;
+    p_context->inst_notify_enable  = false;
+    p_context->event_notify_enable = false;
+    taskEXIT_CRITICAL();
+}
+
+static void elite_srv_ccc_update(elite_context_t *p_context, ble_evt_t const *p_ble_evt)
+{
+    ble_gatts_evt_write_t const *p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
+    if (p_evt_write->handle == p_context->data_char_handle.cccd_handle)
+    {
+        p_context->data_notify_enable = ble_srv_is_notification_enabled(p_evt_write->data);
+        NRF_LOG_INFO("data_notify:%s", p_context->data_notify_enable ? "enable" : "disable");
+        return;
+    }
+
+    if (p_evt_write->handle == p_context->inst_char_handle.cccd_handle)
+    {
+        p_context->inst_notify_enable = ble_srv_is_notification_enabled(p_evt_write->data);
+        NRF_LOG_INFO("inst_notify_notify:%s", p_context->inst_notify_enable ? "enable" : "disable");
+        return;
+    }
+
+    if (p_evt_write->handle == p_context->event_char_handle.cccd_handle)
+    {
+        p_context->event_notify_enable = ble_srv_is_notification_enabled(p_evt_write->data);
+        NRF_LOG_INFO("event_notify:%s", p_context->event_notify_enable ? "enable" : "disable");
+        return;
+    }
+}
+
+static void on_write(elite_context_t *p_context, ble_evt_t const *p_ble_evt)
+{
+    ble_uuid_t uuid                          = p_ble_evt->evt.gatts_evt.params.write.uuid;
+    uint16_t handle                          = p_ble_evt->evt.gatts_evt.params.write.handle;
+    ble_gatts_evt_write_t const *p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
+    switch (uuid.uuid)
+    {
+        case BLE_UUID_DESCRIPTOR_CLIENT_CHAR_CONFIG:
+            elite_srv_ccc_update(p_context, p_ble_evt);
+            break;
+
+        case BLE_UUID_ELITE_INST_CHAR:
+            NRF_LOG_INFO("");
+            NRF_LOG_HEXDUMP_INFO(p_evt_write->data, p_evt_write->len);
+            elite_instr_send((void *)p_evt_write->data, p_evt_write->len);
+            break;
+        default:
+            break;
+    }
+}
+
+static void on_hvx_tx_complete(elite_context_t *p_context, ble_evt_t const *p_ble_evt)
+{
+}
+
+static void on_ble_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
+{
+    switch (p_ble_evt->header.evt_id)
+    {
+        case BLE_GAP_EVT_CONNECTED:
+            on_connect(p_context, p_ble_evt);
+            break;
+        case BLE_GAP_EVT_DISCONNECTED:
+            on_disconnect(p_context, p_ble_evt);
+            break;
+        case BLE_GATTS_EVT_WRITE:
+            on_write(p_context, p_ble_evt);
+            break;
+        case BLE_GATTS_EVT_HVN_TX_COMPLETE:
+            on_hvx_tx_complete(p_context, p_ble_evt);
+            break;
+        default:
+            // No implementation needed.
+            break;
+    }
+}
+
+static ret_code_t add_characteristic(uint16_t uuid, uint8_t uuid_type, uint32_t val_max_len, void *p_init_val, uint32_t init_len, ble_gatts_char_handles_t *p_handles, bool enable_cccd)
+{
+    ble_add_char_params_t add_char_params;
+    memset(&add_char_params, 0, sizeof(add_char_params));
+    add_char_params.uuid              = uuid;
+    add_char_params.uuid_type         = uuid_type;
+    add_char_params.max_len           = val_max_len;
+    add_char_params.init_len          = init_len;
+    add_char_params.p_init_value      = p_init_val;
+    add_char_params.is_value_user     = false;
+    add_char_params.is_var_len        = true;
+    add_char_params.write_access      = SEC_OPEN;
+    add_char_params.char_props.write  = 1;
+    add_char_params.read_access       = SEC_OPEN;
+    add_char_params.char_props.read   = 1;
+    add_char_params.cccd_write_access = SEC_OPEN;
+    add_char_params.char_props.notify = enable_cccd;
+    ret_code_t err_code               = characteristic_add(elite_context.service_handle, &add_char_params, p_handles);
+    return err_code;
+}
+
+static ret_code_t add_characteristic_ro(uint16_t uuid, uint8_t uuid_type, uint32_t val_max_len, void *p_init_val, uint32_t init_len, ble_gatts_char_handles_t *p_handles, bool enable_cccd)
+{
+    ble_add_char_params_t add_char_params;
+    memset(&add_char_params, 0, sizeof(add_char_params));
+    add_char_params.uuid              = uuid;
+    add_char_params.uuid_type         = uuid_type;
+    add_char_params.max_len           = val_max_len;
+    add_char_params.init_len          = init_len;
+    add_char_params.p_init_value      = p_init_val;
+    add_char_params.is_value_user     = true;
+    add_char_params.is_var_len        = true;
+    add_char_params.read_access       = SEC_OPEN;
+    add_char_params.char_props.read   = 1;
+    add_char_params.cccd_write_access = SEC_OPEN;
+    add_char_params.char_props.notify = enable_cccd;
+    ret_code_t err_code               = characteristic_add(elite_context.service_handle, &add_char_params, p_handles);
+    return err_code;
+}
+
+static uint32_t elite_srv_init(void)
+{
+    ret_code_t err_code;
+    ble_uuid_t ble_uuid = {
+        .type = BLE_UUID_TYPE_BLE,
+        .uuid = BLE_UUID_ELITE_SERVICE,
+    };
+
+    // Adding proprietary service to the SoftDevice
+    err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &elite_context.service_handle);
+    APP_ERROR_CHECK(err_code);
+
+    uint8_t init_val[NRF_SDH_BLE_GATT_MAX_MTU_SIZE - 3];
+    memset(init_val, 0x00, sizeof(init_val));
+
+    // Adding data characteristic to the SoftDevice
+    err_code = add_characteristic_ro(BLE_UUID_ELITE_DATA_CHAR, ble_uuid.type, sizeof(init_val), init_val, sizeof(init_val), &elite_context.data_char_handle, true);
+    APP_ERROR_CHECK(err_code);
+
+    // Adding instruction characteristic to the SoftDevice
+    err_code = add_characteristic(BLE_UUID_ELITE_INST_CHAR, ble_uuid.type, sizeof(init_val), init_val, sizeof(init_val), &elite_context.inst_char_handle, true);
+    APP_ERROR_CHECK(err_code);
+
+    // Adding event characteristic to the SoftDevice
+    err_code = add_characteristic_ro(BLE_UUID_ELITE_EVENT_CHAR, ble_uuid.type, sizeof(init_val), init_val, sizeof(init_val), &elite_context.event_char_handle, true);
+    APP_ERROR_CHECK(err_code);
+
+    // Register a handler for BLE events.
+    NRF_SDH_BLE_OBSERVER(m_ble_elite_observer, BLE_ELITE_OBSERVER_PRIO, on_ble_evt_handler, &elite_context);
+
+    return NRF_SUCCESS;
+}
+
+static void le_elite_srv_async_notify_task(void *p_arg)
+{
+    static uint8_t buf[256];
+    for (;;)
+    {
+        uint32_t size = xMessageBufferReceive(async_notify_msg, buf, sizeof(buf), portMAX_DELAY);
+        if (size)
+        {
+            for (uint32_t i = 0; i < 10; i++)
+            {
+                ret_code_t ret = le_event_notify(buf, size);
+                if (ret == NRF_ERROR_BUSY)
+                {
+                    vTaskDelay(pdMS_TO_TICKS(5));
+                }
+                else
+                {
+                    break;
+                }
+            }
+        }
+    }
+}
+
+void le_elite_srv_init(void)
+{
+    async_notify_msg = xMessageBufferCreate(10 * 1024);
+    if (xTaskCreate(le_elite_srv_async_notify_task, "async_notify", 512, NULL, 4, NULL) == pdFALSE)
+    {
+        APP_ERROR_CHECK(NRF_ERROR_RESOURCES);
+    }
+    ret_code_t err_code = elite_srv_init();
+    APP_ERROR_CHECK(err_code);
+
+    elite_init();
+}
+
+ret_code_t le_data_notify(uint8_t *p_value, uint16_t len)
+{
+    ble_gatts_hvx_params_t hvx_params = {
+        .handle = elite_context.data_char_handle.value_handle,
+        .type   = BLE_GATT_HVX_NOTIFICATION,
+        .offset = 0,
+        .p_len  = &len,
+        .p_data = p_value,
+    };
+    return sd_ble_gatts_hvx(elite_context.conn_handle, &hvx_params);
+}
+
+ret_code_t le_data_update(uint8_t *p_value, uint16_t len)
+{
+    static uint8_t values[1 + NRF_SDH_BLE_GATT_MAX_MTU_SIZE - 3];
+
+    values[0] = len < 20 ? 20 : len;
+
+    memcpy(&values[1], p_value, len);
+
+    // update database.
+    ble_gatts_value_t gatts_value = {
+        .offset  = 0,
+        .len     = values[0] + 1,
+        .p_value = values,
+    };
+
+    uint32_t err_code = sd_ble_gatts_value_set(BLE_CONN_HANDLE_INVALID, elite_context.data_char_handle.value_handle, &gatts_value);
+
+    memset(&values[1], 0x00, len);
+
+    return err_code;
+}
+
+ret_code_t le_event_notify(uint8_t *p_value, uint16_t len)
+{
+    ble_gatts_hvx_params_t hvx_params = {
+        .handle = elite_context.event_char_handle.value_handle,
+        .type   = BLE_GATT_HVX_NOTIFICATION,
+        .offset = 0,
+        .p_len  = &len,
+        .p_data = p_value,
+    };
+    return sd_ble_gatts_hvx(elite_context.conn_handle, &hvx_params);
+}
+
+ret_code_t le_event_update(uint8_t *p_value, uint16_t len)
+{
+    // update database.
+    ble_gatts_value_t gatts_value = {
+        .offset  = 0,
+        .len     = len,
+        .p_value = p_value,
+    };
+    return sd_ble_gatts_value_set(BLE_CONN_HANDLE_INVALID, elite_context.event_char_handle.value_handle, &gatts_value);
+}
+
+ret_code_t le_event_async_notify(uint8_t *p_value, uint16_t len, uint32_t ms_to_wait)
+{
+    ret_code_t ret                      = NRF_SUCCESS;
+    BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+
+    if ((SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) == 0)
+    {
+        // not inside ISR (Thread mode)
+        if (ms_to_wait)
+        {
+            ret = xMessageBufferSend(async_notify_msg, p_value, len, pdMS_TO_TICKS(ms_to_wait)) == len ? NRF_SUCCESS : NRF_ERROR_BUSY;
+        }
+        else
+        {
+            taskENTER_CRITICAL();
+            ret = xMessageBufferSend(async_notify_msg, p_value, len, 0) == len ? NRF_SUCCESS : NRF_ERROR_BUSY;
+            taskEXIT_CRITICAL();
+        }
+    }
+    else
+    {
+        // inside  ISR
+        ret = xMessageBufferSendFromISR(async_notify_msg, p_value, len, &xHigherPriorityTaskWoken) == len ? NRF_SUCCESS : NRF_ERROR_BUSY;
+        portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+    }
+    return ret;
+}
+
+#endif // NRF_MODULE_ENABLED(BLE_ELITE)

le_gap.c

@@ -0,0 +1,63 @@
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <string.h>
+
+#include "app_config.h"
+#include "app_error.h"
+#include "app_util.h"
+
+#include "ble_gap.h"
+
+#include "nrf_log.h"
+#include "nrf_sdh_ble.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+void le_gap_init(const char *device_name, uint16_t usAppearance)
+{
+    ret_code_t err_code;
+
+    ble_gap_conn_sec_mode_t sec_mode;
+    BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
+    if (device_name != NULL)
+    {
+        // Set GAP device name
+        err_code = sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *)device_name, strlen(device_name));
+        APP_ERROR_CHECK(err_code);
+    }
+
+    // Set GAP Appearance value
+    err_code = sd_ble_gap_appearance_set(usAppearance);
+    APP_ERROR_CHECK(err_code);
+
+    // Set GAP Peripheral Preferred Connection Parameters.
+    ble_gap_conn_params_t gap_conn_params;
+    memset(&gap_conn_params, 0, sizeof(gap_conn_params));
+    gap_conn_params.min_conn_interval = MSEC_TO_UNITS(8, UNIT_1_25_MS);   /**< Minimum connection interval (7.5 ms) */
+    gap_conn_params.max_conn_interval = MSEC_TO_UNITS(20, UNIT_1_25_MS);  /**< Maximum connection interval (20 ms). */
+    gap_conn_params.slave_latency     = 8;                                /**< Slave latency. */
+    gap_conn_params.conn_sup_timeout  = MSEC_TO_UNITS(10000, UNIT_10_MS); /**< Connection supervisory timeout (10s). */
+
+    err_code = sd_ble_gap_ppcp_set(&gap_conn_params);
+    APP_ERROR_CHECK(err_code);
+}
+
+void le_gap_disconnect(uint16_t conn_handle, void *p_context)
+{
+    UNUSED_PARAMETER(p_context);
+
+    ret_code_t err_code = sd_ble_gap_disconnect(conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
+    if (err_code != NRF_SUCCESS)
+    {
+        NRF_LOG_WARNING("Failed to disconnect connection. Connection handle: %d Error: %d", conn_handle, err_code);
+    }
+    else
+    {
+        NRF_LOG_DEBUG("Disconnected connection handle %d", conn_handle);
+    }
+}

le_gatt.c

@@ -0,0 +1,26 @@
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "app_error.h"
+
+#include "nrf_ble_gatt.h"
+#include "nrf_sdh_ble.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */
+void le_gatt_init(void)
+{
+    ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, NULL);
+    APP_ERROR_CHECK(err_code);
+}
+
+uint16_t le_gatt_mtu(void)
+{
+    return nrf_ble_gatt_eff_mtu_get(&m_gatt, 0);
+}

le_srv.c

@@ -0,0 +1,58 @@
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <string.h>
+
+#include "app_config.h"
+#include "app_error.h"
+
+#include "ble_dis.h"
+#include "ble_srv_common.h"
+
+#include "le_uart_srv.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#define MANUFACTURER_NAME "Wisetop Technology Co." /**< Manufacturer. Will be passed to Device Information Service. */
+#define SERIAL_NUMBER     "0000-00-00-00001"
+#define MODEL_NUMBER      ELITE_HW_NAME
+#define HARDWARE_REVISION STRINGIFY(MAJOR_PRODUCT_NUMBER) "." STRINGIFY(MINOR_PRODUCT_NUMBER) "." STRINGIFY(MAJOR_VERSION_NUMBER) "." STRINGIFY(MINOR_VERSION_NUMBER)
+#define FIRMWARE_REVISION "0.1.0"
+
+static void le_dis_init(void)
+{
+    ble_dis_init_t dis_init;
+    ble_dis_sys_id_t sys_id;
+
+    memset(&dis_init, 0, sizeof(dis_init));
+    memset(&sys_id, 0, sizeof(sys_id));
+
+    ble_srv_ascii_to_utf8(&dis_init.manufact_name_str, MANUFACTURER_NAME);
+    ble_srv_ascii_to_utf8(&dis_init.fw_rev_str, FIRMWARE_REVISION);
+    ble_srv_ascii_to_utf8(&dis_init.hw_rev_str, HARDWARE_REVISION);
+    ble_srv_ascii_to_utf8(&dis_init.model_num_str, MODEL_NUMBER);
+    ble_srv_ascii_to_utf8(&dis_init.serial_num_str, SERIAL_NUMBER);
+    dis_init.p_sys_id        = &sys_id;
+    dis_init.dis_char_rd_sec = SEC_OPEN;
+
+    ret_code_t err_code = ble_dis_init(&dis_init);
+    APP_ERROR_CHECK(err_code);
+}
+
+void le_srv_init(void)
+{
+    le_dis_init();
+
+    extern void le_dfu_init(void);
+    le_dfu_init();
+
+    extern void le_elite_srv_init(void);
+    le_elite_srv_init(); // customer service
+
+    le_uart_srv_init(); // customer service
+}

le_uart_srv.c

@@ -0,0 +1,246 @@
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "app_error.h"
+#include "sdk_common.h"
+
+#include "ble.h"
+#include "ble_srv_common.h"
+#include "le_uart_srv.h"
+#include "uart_drv.h"
+
+#include "nrf_log.h"
+#include "nrf_sdh_ble.h"
+
+#include "FreeRTOS.h"
+#include "message_buffer.h"
+#include "task.h"
+
+#include <string.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#if NRF_MODULE_ENABLED(BLE_UART_SRV)
+
+#define BLE_UUID_UART_SERVICE   0x0001 /**< The UUID of the Service. */
+#define BLE_UUID_UART_RX_CHAR   0x0002 /**< The UUID of the RX Characteristic. */
+#define BLE_UUID_UART_TX_CHAR   0x0003 /**< The UUID of the TX Characteristic. */
+#define BLE_UUID_UART_BAUD_CHAR 0x0004 /**< The UUID of the Baud Characteristic. */
+
+#define BLE_UART_BASE_UUID                                                                                 \
+    {                                                                                                      \
+        {                                                                                                  \
+            0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x00, 0x00, 0x40, 0x6E \
+        }                                                                                                  \
+    } /**< Used vendor specific UUID. */
+
+#define DEF_BAUD_RATE 115200
+
+typedef struct
+{
+    uint16_t conn_handle;
+    uint16_t service_handle;
+    ble_gatts_char_handles_t rx_handle;
+    ble_gatts_char_handles_t tx_handle;
+    ble_gatts_char_handles_t baud_handle;
+    bool tx_notify_enable;
+    uint8_t rx_buf[BLE_UART_MAX_DATA_LEN];
+    uint8_t tx_buf[BLE_UART_MAX_DATA_LEN];
+    uint32_t baudrate;
+} ble_uart_context_t;
+
+static ble_uart_context_t ble_uart_context = {
+    .conn_handle      = BLE_CONN_HANDLE_INVALID,
+    .tx_notify_enable = false,
+    .baudrate         = DEF_BAUD_RATE
+};
+
+static void on_connect(ble_evt_t const *p_ble_evt, ble_uart_context_t *p_context)
+{
+    taskENTER_CRITICAL();
+    p_context->conn_handle = p_ble_evt->evt.common_evt.conn_handle;
+    taskEXIT_CRITICAL();
+}
+
+static void on_disconnect(ble_evt_t const *p_ble_evt, ble_uart_context_t *p_context)
+{
+    taskENTER_CRITICAL();
+    p_context->conn_handle      = BLE_CONN_HANDLE_INVALID;
+    p_context->tx_notify_enable = false;
+    taskEXIT_CRITICAL();
+}
+
+static void ble_uart_ccc_update(ble_evt_t const *p_ble_evt, ble_uart_context_t *p_context)
+{
+    ble_gatts_evt_write_t const *p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
+    if (p_evt_write->handle == p_context->tx_handle.cccd_handle)
+    {
+        p_context->tx_notify_enable = ble_srv_is_notification_enabled(p_evt_write->data);
+        NRF_LOG_INFO("data_notify:%s", p_context->tx_notify_enable ? "enable" : "disable");
+    }
+}
+
+static void on_write(ble_evt_t const *p_ble_evt, ble_uart_context_t *p_context)
+{
+    ble_uuid_t uuid                          = p_ble_evt->evt.gatts_evt.params.write.uuid;
+    uint16_t handle                          = p_ble_evt->evt.gatts_evt.params.write.handle;
+    ble_gatts_evt_write_t const *p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
+    switch (uuid.uuid)
+    {
+        case BLE_UUID_DESCRIPTOR_CLIENT_CHAR_CONFIG:
+            ble_uart_ccc_update(p_ble_evt, p_context);
+            break;
+
+        case BLE_UUID_UART_RX_CHAR:
+            NRF_LOG_INFO("RX:");
+            NRF_LOG_HEXDUMP_INFO(p_evt_write->data, p_evt_write->len);
+            uart_send((void *)p_evt_write->data, p_evt_write->len);
+            break;
+
+        case BLE_UUID_UART_BAUD_CHAR:
+            NRF_LOG_INFO("BAUD: %d", *(uint32_t *)p_evt_write->data);
+            uart_set_baud(*(uint32_t *)p_evt_write->data);
+            break;
+        default:
+            break;
+    }
+}
+
+static void on_hvx_tx_complete(ble_evt_t const *p_ble_evt, ble_uart_context_t *p_context)
+{
+    // TODO...
+}
+
+static void on_ble_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
+{
+    switch (p_ble_evt->header.evt_id)
+    {
+        case BLE_GAP_EVT_CONNECTED:
+            on_connect(p_ble_evt, p_context);
+            break;
+        case BLE_GAP_EVT_DISCONNECTED:
+            on_disconnect(p_ble_evt, p_context);
+            break;
+        case BLE_GATTS_EVT_WRITE:
+            on_write(p_ble_evt, p_context);
+            break;
+        case BLE_GATTS_EVT_HVN_TX_COMPLETE:
+            on_hvx_tx_complete(p_ble_evt, p_context);
+        default:
+            // No implementation needed.
+            break;
+    }
+}
+
+static ret_code_t add_rx_characteristic(uint16_t uuid, uint8_t uuid_type, ble_uart_context_t *context)
+{
+    ble_add_char_params_t add_char_params;
+    memset(&add_char_params, 0, sizeof(add_char_params));
+    add_char_params.uuid                     = uuid;
+    add_char_params.uuid_type                = uuid_type;
+    add_char_params.max_len                  = sizeof(context->rx_buf);
+    add_char_params.init_len                 = 0;
+    add_char_params.p_init_value             = (void *)context->rx_buf;
+    add_char_params.is_var_len               = true;
+    add_char_params.write_access             = SEC_OPEN;
+    add_char_params.char_props.write         = 1;
+    add_char_params.char_props.write_wo_resp = 1;
+    add_char_params.read_access              = SEC_OPEN;
+    add_char_params.char_props.read          = 1;
+    ret_code_t err_code                      = characteristic_add(context->service_handle, &add_char_params, &context->rx_handle);
+    return err_code;
+}
+
+static ret_code_t add_tx_characteristic(uint16_t uuid, uint8_t uuid_type, ble_uart_context_t *context)
+{
+    ble_add_char_params_t add_char_params;
+    memset(&add_char_params, 0, sizeof(add_char_params));
+    add_char_params.uuid              = uuid;
+    add_char_params.uuid_type         = uuid_type;
+    add_char_params.max_len           = sizeof(context->tx_buf);
+    add_char_params.init_len          = 0;
+    add_char_params.p_init_value      = (void *)context->tx_buf;
+    add_char_params.is_value_user     = true;
+    add_char_params.is_var_len        = true;
+    add_char_params.read_access       = SEC_OPEN;
+    add_char_params.char_props.read   = 1;
+    add_char_params.cccd_write_access = SEC_OPEN;
+    add_char_params.char_props.notify = 1;
+    ret_code_t err_code               = characteristic_add(context->service_handle, &add_char_params, &context->tx_handle);
+    return err_code;
+}
+
+static ret_code_t add_baud_characteristic(uint16_t uuid, uint8_t uuid_type, ble_uart_context_t *context)
+{
+    ble_add_char_params_t add_char_params;
+    memset(&add_char_params, 0, sizeof(add_char_params));
+    add_char_params.uuid             = uuid;
+    add_char_params.uuid_type        = uuid_type;
+    add_char_params.max_len          = sizeof(context->baudrate);
+    add_char_params.init_len         = sizeof(context->baudrate);
+    add_char_params.p_init_value     = (void *)&context->baudrate;
+    add_char_params.is_value_user    = true;
+    add_char_params.is_var_len       = false;
+    add_char_params.write_access     = SEC_OPEN;
+    add_char_params.char_props.write = 1;
+    add_char_params.read_access      = SEC_OPEN;
+    add_char_params.char_props.read  = 1;
+    ret_code_t err_code              = characteristic_add(context->service_handle, &add_char_params, &context->baud_handle);
+    return err_code;
+}
+
+void le_uart_srv_init(void)
+{
+    ret_code_t err_code;
+    ble_uuid128_t nus_base_uuid = BLE_UART_BASE_UUID;
+    uint8_t uuid_type           = 0;
+    ble_uuid_t ble_uuid;
+
+    /**@snippet [Adding proprietary Service to the SoftDevice] */
+
+    // Add a custom base UUID.
+    err_code = sd_ble_uuid_vs_add(&nus_base_uuid, &uuid_type);
+    APP_ERROR_CHECK(err_code);
+
+    // Add the service.
+    ble_uuid.type = uuid_type;
+    ble_uuid.uuid = BLE_UUID_UART_SERVICE;
+    err_code      = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
+                                        &ble_uuid,
+                                        &ble_uart_context.service_handle);
+    APP_ERROR_CHECK(err_code);
+
+    // Add rx char
+    err_code = add_rx_characteristic(BLE_UUID_UART_RX_CHAR, ble_uuid.type, &ble_uart_context);
+    APP_ERROR_CHECK(err_code);
+
+    // Add tx char
+    err_code = add_tx_characteristic(BLE_UUID_UART_TX_CHAR, ble_uuid.type, &ble_uart_context);
+    APP_ERROR_CHECK(err_code);
+
+    // Add baud char
+    err_code = add_baud_characteristic(BLE_UUID_UART_BAUD_CHAR, ble_uuid.type, &ble_uart_context);
+    APP_ERROR_CHECK(err_code);
+
+    // Register a handler for BLE events.
+    NRF_SDH_BLE_OBSERVER(m_ble_uart_observer, BLE_UART_OBSERVER_PRIO, on_ble_evt_handler, &ble_uart_context);
+}
+
+ret_code_t le_uart_notify(uint8_t *p_value, uint16_t len)
+{
+    ble_gatts_hvx_params_t hvx_params = {
+        .handle = ble_uart_context.tx_handle.value_handle,
+        .type   = BLE_GATT_HVX_NOTIFICATION,
+        .offset = 0,
+        .p_len  = &len,
+        .p_data = p_value,
+    };
+    return sd_ble_gatts_hvx(ble_uart_context.conn_handle, &hvx_params);
+}
+
+#endif

le_uart_srv.h

@@ -0,0 +1,21 @@
+#ifndef __LE_UART_SRV_H__
+#define __LE_UART_SRV_H__
+
+#include "app_config.h"
+#include "sdk_errors.h"
+
+#define OPCODE_LENGTH 1
+#define HANDLE_LENGTH 2
+
+/**@brief   Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */
+#if defined(NRF_SDH_BLE_GATT_MAX_MTU_SIZE) && (NRF_SDH_BLE_GATT_MAX_MTU_SIZE != 0)
+#define BLE_UART_MAX_DATA_LEN (NRF_SDH_BLE_GATT_MAX_MTU_SIZE - OPCODE_LENGTH - HANDLE_LENGTH)
+#else
+#define BLE_UART_MAX_DATA_LEN (BLE_GATT_MTU_SIZE_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH)
+#warning NRF_SDH_BLE_GATT_MAX_MTU_SIZE is not defined.
+#endif
+
+void le_uart_srv_init(void);
+ret_code_t le_uart_notify(uint8_t * p_value, uint16_t len);
+
+#endif // !__LE_UART_SRV_H__

led_drv.c

@@ -0,0 +1,125 @@
+#include "led_drv.h"
+
+#include "nrf_log.h"
+
+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "task.h"
+
+#if (DEF_APA102_2020_ENABLED)
+#include "apa102_2020.h"
+static const led_drv_if_t *p_inst = &apa102_drv;
+#else
+static led_drv_if_t *p_inst = NULL;
+#endif
+
+#if (DEF_LED_DRV_ENABLED)
+
+static bool btWaitLedFlag   = 0;
+static bool noEventLedFlag  = 0;
+static bool preWorkLedFlag  = 0;
+static bool workingLedFlag  = 0;
+static bool postWorkLedFlag = 0;
+
+int32_t led_mode(uint16_t mode_status)
+{
+    btWaitLedFlag   = 0;
+    noEventLedFlag  = 0;
+    preWorkLedFlag  = 0;
+    workingLedFlag  = 0;
+    postWorkLedFlag = 0;
+
+    switch (mode_status)
+    {
+        case BT_WAIT:
+            btWaitLedFlag = 1;
+            NRF_LOG_INFO("%s(BT_WAIT) is unimplemented.", __FUNCTION__);
+            break;
+
+        case NO_EVENT:
+            noEventLedFlag = 1;
+            NRF_LOG_INFO("%s(NO_EVENT) is unimplemented.", __FUNCTION__);
+            break;
+
+        case PRE_WORK:
+            preWorkLedFlag = 1;
+            NRF_LOG_INFO("%s(PRE_WORK) is unimplemented.", __FUNCTION__);
+            break;
+
+        case WORKING:
+            workingLedFlag = 1;
+            NRF_LOG_INFO("%s(WORKING) is unimplemented.", __FUNCTION__);
+            break;
+
+        case POST_WORK:
+            postWorkLedFlag = 1;
+            NRF_LOG_INFO("%s(POST_WORK) is unimplemented.", __FUNCTION__);
+            break;
+
+        default:
+            NRF_LOG_INFO("%s(default) is unimplemented.", __FUNCTION__);
+            break;
+    }
+    return 0;
+}
+
+int32_t led_set(struct led_color color)
+{
+    if (p_inst == NULL)
+    {
+        return LED_DRV_ERROR;
+    }
+
+    if (p_inst->set != NULL)
+    {
+        for (int i = 0; i < DEF_LED_COUNT; i++)
+        {
+            p_inst->set(i, color, 1);
+        }
+        return LED_DRV_SUCCESS;
+    }
+
+    return LED_DRV_SUCCESS;
+}
+
+int32_t led_single_led_set(uint32_t idx, struct led_color color, uint8_t brightness)
+{
+    if (p_inst == NULL)
+    {
+        return LED_DRV_ERROR;
+    }
+
+    if (p_inst->set != NULL)
+    {
+        p_inst->set(idx, color, brightness);
+        return LED_DRV_SUCCESS;
+    }
+
+    return LED_DRV_SUCCESS;
+}
+
+int32_t led_init(void)
+{
+    if (p_inst == NULL)
+    {
+        return LED_DRV_ERROR;
+    }
+
+    return p_inst->init(DEF_LED_COUNT);
+}
+
+int32_t led_as_rainbow(void)
+{
+    uint8_t color_idx;
+    struct led_color color[6] = { LED_RED, LED_ORANGE, LED_YELLOW, LED_GREEN, LED_BLUE, LED_PURPLE };
+
+    for (int i = 0; i < DEF_LED_COUNT; i++)
+    {
+        color_idx = i % COUNT_ARRAY_SIZE(color);
+        led_single_led_set(i, color[color_idx], 1);
+    }
+
+    return 0;
+}
+
+#endif /* ! DEF_LED_DRV_ENABLED */

led_drv.h

@@ -0,0 +1,97 @@
+#ifndef __LED_DRV_H__
+#define __LED_DRV_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "led_drv_if.h"
+
+#define LED_DRV_ERROR   (-1)
+#define LED_DRV_SUCCESS (0)
+
+#define LED_NONE                        \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0x00, .G = 0x00, .B = 0x00 \
+    }
+#define LED_RED                         \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0xFF, .G = 0x00, .B = 0x00 \
+    }
+#define LED_ORANGE                      \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0xFF, .G = 0x58, .B = 0x09 \
+    }
+#define LED_YELLOW                      \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0xEF, .G = 0x9F, .B = 0x00 \
+    }
+#define LED_GREEN                       \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0x00, .G = 0xFF, .B = 0x00 \
+    }
+#define LED_CYAN                        \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0x00, .G = 0xFF, .B = 0xFF \
+    }
+#define LED_BLUE                        \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0x00, .G = 0x00, .B = 0xFF \
+    }
+#define LED_PURPLE                      \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0xFF, .G = 0x00, .B = 0xFF \
+    }
+#define LED_ORANGE                      \
+    (struct led_color)                  \
+    {                                   \
+        .R = 0xFF, .G = 0x58, .B = 0x09 \
+    }
+
+#define LED_OFF             LED_NONE
+#define LED_ON              LED_GREEN
+#define LED_ERROR           LED_RED
+#define LED_IDEL_DISCONNECT LED_YELLOW
+#define LED_IDEL_CONNECTED  LED_GREEN
+#define LED_REC             LED_CYAN
+#define LED_IDENTICY_DEV    LED_PURPLE
+#define LED_BUTTON_PRESS    LED_YELLOW
+
+#define BT_WAIT             0x01
+#define NO_EVENT            0x02
+#define PRE_WORK            0x03
+#define WORKING             0x04
+#define POST_WORK           0x05
+
+#if (DEF_LED_DRV_ENABLED)
+    int32_t
+    led_init(void);
+int32_t led_set(struct led_color color);
+int32_t led_single_led_set(uint32_t idx, struct led_color color, uint8_t brightness);
+int32_t led_mode(uint16_t mode_status);
+int32_t led_as_rainbow(void);
+
+#else
+
+#define led_init()
+#define led_set(x)
+#define led_single_led_set(x, y, z)
+#define led_mode(x)
+#define led_as_rainbow(x)
+
+#endif /* ! DEF_LED_DRV_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __LED_DRV_H__ */

led_drv_if.h

@@ -0,0 +1,29 @@
+#ifndef __LED_DRV_IF_H__
+#define __LED_DRV_IF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+struct led_color
+{
+    uint8_t B;
+    uint8_t G;
+    uint8_t R;
+};
+
+typedef struct
+{
+    int32_t (*init)(uint32_t cnt);
+    int32_t (*set)(uint32_t idx, struct led_color color, uint8_t brightness);
+} led_drv_if_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __LED_DRV_IF_H__ */

littlefs/lfs.h

@@ -0,0 +1,795 @@
+/*
+ * The little filesystem
+ *
+ * Copyright (c) 2022, The littlefs authors.
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef LFS_H
+#define LFS_H
+
+#include "lfs_util.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+/// Version info ///
+
+// Software library version
+// Major (top-nibble), incremented on backwards incompatible changes
+// Minor (bottom-nibble), incremented on feature additions
+#define LFS_VERSION 0x00020009
+#define LFS_VERSION_MAJOR (0xffff & (LFS_VERSION >> 16))
+#define LFS_VERSION_MINOR (0xffff & (LFS_VERSION >>  0))
+
+// Version of On-disk data structures
+// Major (top-nibble), incremented on backwards incompatible changes
+// Minor (bottom-nibble), incremented on feature additions
+#define LFS_DISK_VERSION 0x00020001
+#define LFS_DISK_VERSION_MAJOR (0xffff & (LFS_DISK_VERSION >> 16))
+#define LFS_DISK_VERSION_MINOR (0xffff & (LFS_DISK_VERSION >>  0))
+
+
+/// Definitions ///
+
+// Type definitions
+typedef uint32_t lfs_size_t;
+typedef uint32_t lfs_off_t;
+
+typedef int32_t  lfs_ssize_t;
+typedef int32_t  lfs_soff_t;
+
+typedef uint32_t lfs_block_t;
+
+// Maximum name size in bytes, may be redefined to reduce the size of the
+// info struct. Limited to <= 1022. Stored in superblock and must be
+// respected by other littlefs drivers.
+#ifndef LFS_NAME_MAX
+#define LFS_NAME_MAX 255
+#endif
+
+// Maximum size of a file in bytes, may be redefined to limit to support other
+// drivers. Limited on disk to <= 2147483647. Stored in superblock and must be
+// respected by other littlefs drivers.
+#ifndef LFS_FILE_MAX
+#define LFS_FILE_MAX 2147483647
+#endif
+
+// Maximum size of custom attributes in bytes, may be redefined, but there is
+// no real benefit to using a smaller LFS_ATTR_MAX. Limited to <= 1022.
+#ifndef LFS_ATTR_MAX
+#define LFS_ATTR_MAX 1022
+#endif
+
+// Possible error codes, these are negative to allow
+// valid positive return values
+enum lfs_error {
+    LFS_ERR_OK          = 0,    // No error
+    LFS_ERR_IO          = -5,   // Error during device operation
+    LFS_ERR_CORRUPT     = -84,  // Corrupted
+    LFS_ERR_NOENT       = -2,   // No directory entry
+    LFS_ERR_EXIST       = -17,  // Entry already exists
+    LFS_ERR_NOTDIR      = -20,  // Entry is not a dir
+    LFS_ERR_ISDIR       = -21,  // Entry is a dir
+    LFS_ERR_NOTEMPTY    = -39,  // Dir is not empty
+    LFS_ERR_BADF        = -9,   // Bad file number
+    LFS_ERR_FBIG        = -27,  // File too large
+    LFS_ERR_INVAL       = -22,  // Invalid parameter
+    LFS_ERR_NOSPC       = -28,  // No space left on device
+    LFS_ERR_NOMEM       = -12,  // No more memory available
+    LFS_ERR_NOATTR      = -61,  // No data/attr available
+    LFS_ERR_NAMETOOLONG = -36,  // File name too long
+};
+
+// File types
+enum lfs_type {
+    // file types
+    LFS_TYPE_REG            = 0x001,
+    LFS_TYPE_DIR            = 0x002,
+
+    // internally used types
+    LFS_TYPE_SPLICE         = 0x400,
+    LFS_TYPE_NAME           = 0x000,
+    LFS_TYPE_STRUCT         = 0x200,
+    LFS_TYPE_USERATTR       = 0x300,
+    LFS_TYPE_FROM           = 0x100,
+    LFS_TYPE_TAIL           = 0x600,
+    LFS_TYPE_GLOBALS        = 0x700,
+    LFS_TYPE_CRC            = 0x500,
+
+    // internally used type specializations
+    LFS_TYPE_CREATE         = 0x401,
+    LFS_TYPE_DELETE         = 0x4ff,
+    LFS_TYPE_SUPERBLOCK     = 0x0ff,
+    LFS_TYPE_DIRSTRUCT      = 0x200,
+    LFS_TYPE_CTZSTRUCT      = 0x202,
+    LFS_TYPE_INLINESTRUCT   = 0x201,
+    LFS_TYPE_SOFTTAIL       = 0x600,
+    LFS_TYPE_HARDTAIL       = 0x601,
+    LFS_TYPE_MOVESTATE      = 0x7ff,
+    LFS_TYPE_CCRC           = 0x500,
+    LFS_TYPE_FCRC           = 0x5ff,
+
+    // internal chip sources
+    LFS_FROM_NOOP           = 0x000,
+    LFS_FROM_MOVE           = 0x101,
+    LFS_FROM_USERATTRS      = 0x102,
+};
+
+// File open flags
+enum lfs_open_flags {
+    // open flags
+    LFS_O_RDONLY = 1,         // Open a file as read only
+#ifndef LFS_READONLY
+    LFS_O_WRONLY = 2,         // Open a file as write only
+    LFS_O_RDWR   = 3,         // Open a file as read and write
+    LFS_O_CREAT  = 0x0100,    // Create a file if it does not exist
+    LFS_O_EXCL   = 0x0200,    // Fail if a file already exists
+    LFS_O_TRUNC  = 0x0400,    // Truncate the existing file to zero size
+    LFS_O_APPEND = 0x0800,    // Move to end of file on every write
+#endif
+
+    // internally used flags
+#ifndef LFS_READONLY
+    LFS_F_DIRTY   = 0x010000, // File does not match storage
+    LFS_F_WRITING = 0x020000, // File has been written since last flush
+#endif
+    LFS_F_READING = 0x040000, // File has been read since last flush
+#ifndef LFS_READONLY
+    LFS_F_ERRED   = 0x080000, // An error occurred during write
+#endif
+    LFS_F_INLINE  = 0x100000, // Currently inlined in directory entry
+};
+
+// File seek flags
+enum lfs_whence_flags {
+    LFS_SEEK_SET = 0,   // Seek relative to an absolute position
+    LFS_SEEK_CUR = 1,   // Seek relative to the current file position
+    LFS_SEEK_END = 2,   // Seek relative to the end of the file
+};
+
+
+// Configuration provided during initialization of the littlefs
+struct lfs_config {
+    // Opaque user provided context that can be used to pass
+    // information to the block device operations
+    void *context;
+
+    // Read a region in a block. Negative error codes are propagated
+    // to the user.
+    int (*read)(const struct lfs_config *c, lfs_block_t block,
+            lfs_off_t off, void *buffer, lfs_size_t size);
+
+    // Program a region in a block. The block must have previously
+    // been erased. Negative error codes are propagated to the user.
+    // May return LFS_ERR_CORRUPT if the block should be considered bad.
+    int (*prog)(const struct lfs_config *c, lfs_block_t block,
+            lfs_off_t off, const void *buffer, lfs_size_t size);
+
+    // Erase a block. A block must be erased before being programmed.
+    // The state of an erased block is undefined. Negative error codes
+    // are propagated to the user.
+    // May return LFS_ERR_CORRUPT if the block should be considered bad.
+    int (*erase)(const struct lfs_config *c, lfs_block_t block);
+
+    // Sync the state of the underlying block device. Negative error codes
+    // are propagated to the user.
+    int (*sync)(const struct lfs_config *c);
+
+#ifdef LFS_THREADSAFE
+    // Lock the underlying block device. Negative error codes
+    // are propagated to the user.
+    int (*lock)(const struct lfs_config *c);
+
+    // Unlock the underlying block device. Negative error codes
+    // are propagated to the user.
+    int (*unlock)(const struct lfs_config *c);
+#endif
+
+    // Minimum size of a block read in bytes. All read operations will be a
+    // multiple of this value.
+    lfs_size_t read_size;
+
+    // Minimum size of a block program in bytes. All program operations will be
+    // a multiple of this value.
+    lfs_size_t prog_size;
+
+    // Size of an erasable block in bytes. This does not impact ram consumption
+    // and may be larger than the physical erase size. However, non-inlined
+    // files take up at minimum one block. Must be a multiple of the read and
+    // program sizes.
+    lfs_size_t block_size;
+
+    // Number of erasable blocks on the device.
+    lfs_size_t block_count;
+
+    // Number of erase cycles before littlefs evicts metadata logs and moves
+    // the metadata to another block. Suggested values are in the
+    // range 100-1000, with large values having better performance at the cost
+    // of less consistent wear distribution.
+    //
+    // Set to -1 to disable block-level wear-leveling.
+    int32_t block_cycles;
+
+    // Size of block caches in bytes. Each cache buffers a portion of a block in
+    // RAM. The littlefs needs a read cache, a program cache, and one additional
+    // cache per file. Larger caches can improve performance by storing more
+    // data and reducing the number of disk accesses. Must be a multiple of the
+    // read and program sizes, and a factor of the block size.
+    lfs_size_t cache_size;
+
+    // Size of the lookahead buffer in bytes. A larger lookahead buffer
+    // increases the number of blocks found during an allocation pass. The
+    // lookahead buffer is stored as a compact bitmap, so each byte of RAM
+    // can track 8 blocks.
+    lfs_size_t lookahead_size;
+
+    // Threshold for metadata compaction during lfs_fs_gc in bytes. Metadata
+    // pairs that exceed this threshold will be compacted during lfs_fs_gc.
+    // Defaults to ~88% block_size when zero, though the default may change
+    // in the future.
+    //
+    // Note this only affects lfs_fs_gc. Normal compactions still only occur
+    // when full.
+    //
+    // Set to -1 to disable metadata compaction during lfs_fs_gc.
+    lfs_size_t compact_thresh;
+
+    // Optional statically allocated read buffer. Must be cache_size.
+    // By default lfs_malloc is used to allocate this buffer.
+    void *read_buffer;
+
+    // Optional statically allocated program buffer. Must be cache_size.
+    // By default lfs_malloc is used to allocate this buffer.
+    void *prog_buffer;
+
+    // Optional statically allocated lookahead buffer. Must be lookahead_size.
+    // By default lfs_malloc is used to allocate this buffer.
+    void *lookahead_buffer;
+
+    // Optional upper limit on length of file names in bytes. No downside for
+    // larger names except the size of the info struct which is controlled by
+    // the LFS_NAME_MAX define. Defaults to LFS_NAME_MAX when zero. Stored in
+    // superblock and must be respected by other littlefs drivers.
+    lfs_size_t name_max;
+
+    // Optional upper limit on files in bytes. No downside for larger files
+    // but must be <= LFS_FILE_MAX. Defaults to LFS_FILE_MAX when zero. Stored
+    // in superblock and must be respected by other littlefs drivers.
+    lfs_size_t file_max;
+
+    // Optional upper limit on custom attributes in bytes. No downside for
+    // larger attributes size but must be <= LFS_ATTR_MAX. Defaults to
+    // LFS_ATTR_MAX when zero.
+    lfs_size_t attr_max;
+
+    // Optional upper limit on total space given to metadata pairs in bytes. On
+    // devices with large blocks (e.g. 128kB) setting this to a low size (2-8kB)
+    // can help bound the metadata compaction time. Must be <= block_size.
+    // Defaults to block_size when zero.
+    lfs_size_t metadata_max;
+
+    // Optional upper limit on inlined files in bytes. Inlined files live in
+    // metadata and decrease storage requirements, but may be limited to
+    // improve metadata-related performance. Must be <= cache_size, <=
+    // attr_max, and <= block_size/8. Defaults to the largest possible
+    // inline_max when zero.
+    //
+    // Set to -1 to disable inlined files.
+    lfs_size_t inline_max;
+
+#ifdef LFS_MULTIVERSION
+    // On-disk version to use when writing in the form of 16-bit major version
+    // + 16-bit minor version. This limiting metadata to what is supported by
+    // older minor versions. Note that some features will be lost. Defaults to 
+    // to the most recent minor version when zero.
+    uint32_t disk_version;
+#endif
+};
+
+// File info structure
+struct lfs_info {
+    // Type of the file, either LFS_TYPE_REG or LFS_TYPE_DIR
+    uint8_t type;
+
+    // Size of the file, only valid for REG files. Limited to 32-bits.
+    lfs_size_t size;
+
+    // Name of the file stored as a null-terminated string. Limited to
+    // LFS_NAME_MAX+1, which can be changed by redefining LFS_NAME_MAX to
+    // reduce RAM. LFS_NAME_MAX is stored in superblock and must be
+    // respected by other littlefs drivers.
+    char name[LFS_NAME_MAX+1];
+};
+
+// Filesystem info structure
+struct lfs_fsinfo {
+    // On-disk version.
+    uint32_t disk_version;
+
+    // Size of a logical block in bytes.
+    lfs_size_t block_size;
+
+    // Number of logical blocks in filesystem.
+    lfs_size_t block_count;
+
+    // Upper limit on the length of file names in bytes.
+    lfs_size_t name_max;
+
+    // Upper limit on the size of files in bytes.
+    lfs_size_t file_max;
+
+    // Upper limit on the size of custom attributes in bytes.
+    lfs_size_t attr_max;
+};
+
+// Custom attribute structure, used to describe custom attributes
+// committed atomically during file writes.
+struct lfs_attr {
+    // 8-bit type of attribute, provided by user and used to
+    // identify the attribute
+    uint8_t type;
+
+    // Pointer to buffer containing the attribute
+    void *buffer;
+
+    // Size of attribute in bytes, limited to LFS_ATTR_MAX
+    lfs_size_t size;
+};
+
+// Optional configuration provided during lfs_file_opencfg
+struct lfs_file_config {
+    // Optional statically allocated file buffer. Must be cache_size.
+    // By default lfs_malloc is used to allocate this buffer.
+    void *buffer;
+
+    // Optional list of custom attributes related to the file. If the file
+    // is opened with read access, these attributes will be read from disk
+    // during the open call. If the file is opened with write access, the
+    // attributes will be written to disk every file sync or close. This
+    // write occurs atomically with update to the file's contents.
+    //
+    // Custom attributes are uniquely identified by an 8-bit type and limited
+    // to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller
+    // than the buffer, it will be padded with zeros. If the stored attribute
+    // is larger, then it will be silently truncated. If the attribute is not
+    // found, it will be created implicitly.
+    struct lfs_attr *attrs;
+
+    // Number of custom attributes in the list
+    lfs_size_t attr_count;
+};
+
+
+/// internal littlefs data structures ///
+typedef struct lfs_cache {
+    lfs_block_t block;
+    lfs_off_t off;
+    lfs_size_t size;
+    uint8_t *buffer;
+} lfs_cache_t;
+
+typedef struct lfs_mdir {
+    lfs_block_t pair[2];
+    uint32_t rev;
+    lfs_off_t off;
+    uint32_t etag;
+    uint16_t count;
+    bool erased;
+    bool split;
+    lfs_block_t tail[2];
+} lfs_mdir_t;
+
+// littlefs directory type
+typedef struct lfs_dir {
+    struct lfs_dir *next;
+    uint16_t id;
+    uint8_t type;
+    lfs_mdir_t m;
+
+    lfs_off_t pos;
+    lfs_block_t head[2];
+} lfs_dir_t;
+
+// littlefs file type
+typedef struct lfs_file {
+    struct lfs_file *next;
+    uint16_t id;
+    uint8_t type;
+    lfs_mdir_t m;
+
+    struct lfs_ctz {
+        lfs_block_t head;
+        lfs_size_t size;
+    } ctz;
+
+    uint32_t flags;
+    lfs_off_t pos;
+    lfs_block_t block;
+    lfs_off_t off;
+    lfs_cache_t cache;
+
+    const struct lfs_file_config *cfg;
+} lfs_file_t;
+
+typedef struct lfs_superblock {
+    uint32_t version;
+    lfs_size_t block_size;
+    lfs_size_t block_count;
+    lfs_size_t name_max;
+    lfs_size_t file_max;
+    lfs_size_t attr_max;
+} lfs_superblock_t;
+
+typedef struct lfs_gstate {
+    uint32_t tag;
+    lfs_block_t pair[2];
+} lfs_gstate_t;
+
+// The littlefs filesystem type
+typedef struct lfs {
+    lfs_cache_t rcache;
+    lfs_cache_t pcache;
+
+    lfs_block_t root[2];
+    struct lfs_mlist {
+        struct lfs_mlist *next;
+        uint16_t id;
+        uint8_t type;
+        lfs_mdir_t m;
+    } *mlist;
+    uint32_t seed;
+
+    lfs_gstate_t gstate;
+    lfs_gstate_t gdisk;
+    lfs_gstate_t gdelta;
+
+    struct lfs_lookahead {
+        lfs_block_t start;
+        lfs_block_t size;
+        lfs_block_t next;
+        lfs_block_t ckpoint;
+        uint8_t *buffer;
+    } lookahead;
+
+    const struct lfs_config *cfg;
+    lfs_size_t block_count;
+    lfs_size_t name_max;
+    lfs_size_t file_max;
+    lfs_size_t attr_max;
+    lfs_size_t inline_max;
+
+#ifdef LFS_MIGRATE
+    struct lfs1 *lfs1;
+#endif
+} lfs_t;
+
+
+/// Filesystem functions ///
+
+#ifndef LFS_READONLY
+// Format a block device with the littlefs
+//
+// Requires a littlefs object and config struct. This clobbers the littlefs
+// object, and does not leave the filesystem mounted. The config struct must
+// be zeroed for defaults and backwards compatibility.
+//
+// Returns a negative error code on failure.
+int lfs_format(lfs_t *lfs, const struct lfs_config *config);
+#endif
+
+// Mounts a littlefs
+//
+// Requires a littlefs object and config struct. Multiple filesystems
+// may be mounted simultaneously with multiple littlefs objects. Both
+// lfs and config must be allocated while mounted. The config struct must
+// be zeroed for defaults and backwards compatibility.
+//
+// Returns a negative error code on failure.
+int lfs_mount(lfs_t *lfs, const struct lfs_config *config);
+
+// Unmounts a littlefs
+//
+// Does nothing besides releasing any allocated resources.
+// Returns a negative error code on failure.
+int lfs_unmount(lfs_t *lfs);
+
+/// General operations ///
+
+#ifndef LFS_READONLY
+// Removes a file or directory
+//
+// If removing a directory, the directory must be empty.
+// Returns a negative error code on failure.
+int lfs_remove(lfs_t *lfs, const char *path);
+#endif
+
+#ifndef LFS_READONLY
+// Rename or move a file or directory
+//
+// If the destination exists, it must match the source in type.
+// If the destination is a directory, the directory must be empty.
+//
+// Returns a negative error code on failure.
+int lfs_rename(lfs_t *lfs, const char *oldpath, const char *newpath);
+#endif
+
+// Find info about a file or directory
+//
+// Fills out the info structure, based on the specified file or directory.
+// Returns a negative error code on failure.
+int lfs_stat(lfs_t *lfs, const char *path, struct lfs_info *info);
+
+// Get a custom attribute
+//
+// Custom attributes are uniquely identified by an 8-bit type and limited
+// to LFS_ATTR_MAX bytes. When read, if the stored attribute is smaller than
+// the buffer, it will be padded with zeros. If the stored attribute is larger,
+// then it will be silently truncated. If no attribute is found, the error
+// LFS_ERR_NOATTR is returned and the buffer is filled with zeros.
+//
+// Returns the size of the attribute, or a negative error code on failure.
+// Note, the returned size is the size of the attribute on disk, irrespective
+// of the size of the buffer. This can be used to dynamically allocate a buffer
+// or check for existence.
+lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path,
+        uint8_t type, void *buffer, lfs_size_t size);
+
+#ifndef LFS_READONLY
+// Set custom attributes
+//
+// Custom attributes are uniquely identified by an 8-bit type and limited
+// to LFS_ATTR_MAX bytes. If an attribute is not found, it will be
+// implicitly created.
+//
+// Returns a negative error code on failure.
+int lfs_setattr(lfs_t *lfs, const char *path,
+        uint8_t type, const void *buffer, lfs_size_t size);
+#endif
+
+#ifndef LFS_READONLY
+// Removes a custom attribute
+//
+// If an attribute is not found, nothing happens.
+//
+// Returns a negative error code on failure.
+int lfs_removeattr(lfs_t *lfs, const char *path, uint8_t type);
+#endif
+
+
+/// File operations ///
+
+#ifndef LFS_NO_MALLOC
+// Open a file
+//
+// The mode that the file is opened in is determined by the flags, which
+// are values from the enum lfs_open_flags that are bitwise-ored together.
+//
+// Returns a negative error code on failure.
+int lfs_file_open(lfs_t *lfs, lfs_file_t *file,
+        const char *path, int flags);
+
+// if LFS_NO_MALLOC is defined, lfs_file_open() will fail with LFS_ERR_NOMEM
+// thus use lfs_file_opencfg() with config.buffer set.
+#endif
+
+// Open a file with extra configuration
+//
+// The mode that the file is opened in is determined by the flags, which
+// are values from the enum lfs_open_flags that are bitwise-ored together.
+//
+// The config struct provides additional config options per file as described
+// above. The config struct must remain allocated while the file is open, and
+// the config struct must be zeroed for defaults and backwards compatibility.
+//
+// Returns a negative error code on failure.
+int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file,
+        const char *path, int flags,
+        const struct lfs_file_config *config);
+
+// Close a file
+//
+// Any pending writes are written out to storage as though
+// sync had been called and releases any allocated resources.
+//
+// Returns a negative error code on failure.
+int lfs_file_close(lfs_t *lfs, lfs_file_t *file);
+
+// Synchronize a file on storage
+//
+// Any pending writes are written out to storage.
+// Returns a negative error code on failure.
+int lfs_file_sync(lfs_t *lfs, lfs_file_t *file);
+
+// Read data from file
+//
+// Takes a buffer and size indicating where to store the read data.
+// Returns the number of bytes read, or a negative error code on failure.
+lfs_ssize_t lfs_file_read(lfs_t *lfs, lfs_file_t *file,
+        void *buffer, lfs_size_t size);
+
+#ifndef LFS_READONLY
+// Write data to file
+//
+// Takes a buffer and size indicating the data to write. The file will not
+// actually be updated on the storage until either sync or close is called.
+//
+// Returns the number of bytes written, or a negative error code on failure.
+lfs_ssize_t lfs_file_write(lfs_t *lfs, lfs_file_t *file,
+        const void *buffer, lfs_size_t size);
+#endif
+
+// Change the position of the file
+//
+// The change in position is determined by the offset and whence flag.
+// Returns the new position of the file, or a negative error code on failure.
+lfs_soff_t lfs_file_seek(lfs_t *lfs, lfs_file_t *file,
+        lfs_soff_t off, int whence);
+
+#ifndef LFS_READONLY
+// Truncates the size of the file to the specified size
+//
+// Returns a negative error code on failure.
+int lfs_file_truncate(lfs_t *lfs, lfs_file_t *file, lfs_off_t size);
+#endif
+
+// Return the position of the file
+//
+// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_CUR)
+// Returns the position of the file, or a negative error code on failure.
+lfs_soff_t lfs_file_tell(lfs_t *lfs, lfs_file_t *file);
+
+// Change the position of the file to the beginning of the file
+//
+// Equivalent to lfs_file_seek(lfs, file, 0, LFS_SEEK_SET)
+// Returns a negative error code on failure.
+int lfs_file_rewind(lfs_t *lfs, lfs_file_t *file);
+
+// Return the size of the file
+//
+// Similar to lfs_file_seek(lfs, file, 0, LFS_SEEK_END)
+// Returns the size of the file, or a negative error code on failure.
+lfs_soff_t lfs_file_size(lfs_t *lfs, lfs_file_t *file);
+
+
+/// Directory operations ///
+
+#ifndef LFS_READONLY
+// Create a directory
+//
+// Returns a negative error code on failure.
+int lfs_mkdir(lfs_t *lfs, const char *path);
+#endif
+
+// Open a directory
+//
+// Once open a directory can be used with read to iterate over files.
+// Returns a negative error code on failure.
+int lfs_dir_open(lfs_t *lfs, lfs_dir_t *dir, const char *path);
+
+// Close a directory
+//
+// Releases any allocated resources.
+// Returns a negative error code on failure.
+int lfs_dir_close(lfs_t *lfs, lfs_dir_t *dir);
+
+// Read an entry in the directory
+//
+// Fills out the info structure, based on the specified file or directory.
+// Returns a positive value on success, 0 at the end of directory,
+// or a negative error code on failure.
+int lfs_dir_read(lfs_t *lfs, lfs_dir_t *dir, struct lfs_info *info);
+
+// Change the position of the directory
+//
+// The new off must be a value previous returned from tell and specifies
+// an absolute offset in the directory seek.
+//
+// Returns a negative error code on failure.
+int lfs_dir_seek(lfs_t *lfs, lfs_dir_t *dir, lfs_off_t off);
+
+// Return the position of the directory
+//
+// The returned offset is only meant to be consumed by seek and may not make
+// sense, but does indicate the current position in the directory iteration.
+//
+// Returns the position of the directory, or a negative error code on failure.
+lfs_soff_t lfs_dir_tell(lfs_t *lfs, lfs_dir_t *dir);
+
+// Change the position of the directory to the beginning of the directory
+//
+// Returns a negative error code on failure.
+int lfs_dir_rewind(lfs_t *lfs, lfs_dir_t *dir);
+
+
+/// Filesystem-level filesystem operations
+
+// Find on-disk info about the filesystem
+//
+// Fills out the fsinfo structure based on the filesystem found on-disk.
+// Returns a negative error code on failure.
+int lfs_fs_stat(lfs_t *lfs, struct lfs_fsinfo *fsinfo);
+
+// Finds the current size of the filesystem
+//
+// Note: Result is best effort. If files share COW structures, the returned
+// size may be larger than the filesystem actually is.
+//
+// Returns the number of allocated blocks, or a negative error code on failure.
+lfs_ssize_t lfs_fs_size(lfs_t *lfs);
+
+// Traverse through all blocks in use by the filesystem
+//
+// The provided callback will be called with each block address that is
+// currently in use by the filesystem. This can be used to determine which
+// blocks are in use or how much of the storage is available.
+//
+// Returns a negative error code on failure.
+int lfs_fs_traverse(lfs_t *lfs, int (*cb)(void*, lfs_block_t), void *data);
+
+#ifndef LFS_READONLY
+// Attempt to make the filesystem consistent and ready for writing
+//
+// Calling this function is not required, consistency will be implicitly
+// enforced on the first operation that writes to the filesystem, but this
+// function allows the work to be performed earlier and without other
+// filesystem changes.
+//
+// Returns a negative error code on failure.
+int lfs_fs_mkconsistent(lfs_t *lfs);
+#endif
+
+#ifndef LFS_READONLY
+// Attempt any janitorial work
+//
+// This currently:
+// 1. Calls mkconsistent if not already consistent
+// 2. Compacts metadata > compact_thresh
+// 3. Populates the block allocator
+//
+// Though additional janitorial work may be added in the future.
+//
+// Calling this function is not required, but may allow the offloading of
+// expensive janitorial work to a less time-critical code path.
+//
+// Returns a negative error code on failure. Accomplishing nothing is not
+// an error.
+int lfs_fs_gc(lfs_t *lfs);
+#endif
+
+#ifndef LFS_READONLY
+// Grows the filesystem to a new size, updating the superblock with the new
+// block count.
+//
+// Note: This is irreversible.
+//
+// Returns a negative error code on failure.
+int lfs_fs_grow(lfs_t *lfs, lfs_size_t block_count);
+#endif
+
+#ifndef LFS_READONLY
+#ifdef LFS_MIGRATE
+// Attempts to migrate a previous version of littlefs
+//
+// Behaves similarly to the lfs_format function. Attempts to mount
+// the previous version of littlefs and update the filesystem so it can be
+// mounted with the current version of littlefs.
+//
+// Requires a littlefs object and config struct. This clobbers the littlefs
+// object, and does not leave the filesystem mounted. The config struct must
+// be zeroed for defaults and backwards compatibility.
+//
+// Returns a negative error code on failure.
+int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg);
+#endif
+#endif
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif

littlefs/lfs_util.c

@@ -0,0 +1,37 @@
+/*
+ * lfs util functions
+ *
+ * Copyright (c) 2022, The littlefs authors.
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include "lfs_util.h"
+
+// Only compile if user does not provide custom config
+#ifndef LFS_CONFIG
+
+
+// If user provides their own CRC impl we don't need this
+#ifndef LFS_CRC
+// Software CRC implementation with small lookup table
+uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) {
+    static const uint32_t rtable[16] = {
+        0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
+        0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
+        0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
+        0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c,
+    };
+
+    const uint8_t *data = buffer;
+
+    for (size_t i = 0; i < size; i++) {
+        crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 0)) & 0xf];
+        crc = (crc >> 4) ^ rtable[(crc ^ (data[i] >> 4)) & 0xf];
+    }
+
+    return crc;
+}
+#endif
+
+
+#endif

littlefs/lfs_util.h

@@ -0,0 +1,261 @@
+/*
+ * lfs utility functions
+ *
+ * Copyright (c) 2022, The littlefs authors.
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef LFS_UTIL_H
+#define LFS_UTIL_H
+
+// Users can override lfs_util.h with their own configuration by defining
+// LFS_CONFIG as a header file to include (-DLFS_CONFIG=lfs_config.h).
+//
+// If LFS_CONFIG is used, none of the default utils will be emitted and must be
+// provided by the config file. To start, I would suggest copying lfs_util.h
+// and modifying as needed.
+#ifdef LFS_CONFIG
+#define LFS_STRINGIZE(x) LFS_STRINGIZE2(x)
+#define LFS_STRINGIZE2(x) #x
+#include LFS_STRINGIZE(LFS_CONFIG)
+#else
+
+// System includes
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <inttypes.h>
+
+#ifndef LFS_NO_MALLOC
+#include <stdlib.h>
+#endif
+#ifndef LFS_NO_ASSERT
+#include <assert.h>
+#endif
+#if !defined(LFS_NO_DEBUG) || \
+        !defined(LFS_NO_WARN) || \
+        !defined(LFS_NO_ERROR) || \
+        defined(LFS_YES_TRACE)
+#include <stdio.h>
+#endif
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define LFS_MALLOC pvPortMalloc
+#define LFS_FREE   vPortFree
+
+
+// Macros, may be replaced by system specific wrappers. Arguments to these
+// macros must not have side-effects as the macros can be removed for a smaller
+// code footprint
+
+// Logging functions
+#ifndef LFS_TRACE
+#ifdef LFS_YES_TRACE
+#define LFS_TRACE_(fmt, ...) \
+    printf("%s:%d:trace: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
+#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
+#else
+#define LFS_TRACE(...)
+#endif
+#endif
+
+#ifndef LFS_DEBUG
+#ifndef LFS_NO_DEBUG
+#define LFS_DEBUG_(fmt, ...) \
+    printf("%s:%d:debug: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
+#define LFS_DEBUG(...) LFS_DEBUG_(__VA_ARGS__, "")
+#else
+#define LFS_DEBUG(...)
+#endif
+#endif
+
+#ifndef LFS_WARN
+#ifndef LFS_NO_WARN
+#define LFS_WARN_(fmt, ...) \
+    printf("%s:%d:warn: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
+#define LFS_WARN(...) LFS_WARN_(__VA_ARGS__, "")
+#else
+#define LFS_WARN(...)
+#endif
+#endif
+
+#ifndef LFS_ERROR
+#ifndef LFS_NO_ERROR
+#define LFS_ERROR_(fmt, ...) \
+    printf("%s:%d:error: " fmt "%s\n", __FILE__, __LINE__, __VA_ARGS__)
+#define LFS_ERROR(...) LFS_ERROR_(__VA_ARGS__, "")
+#else
+#define LFS_ERROR(...)
+#endif
+#endif
+
+// Runtime assertions
+#ifndef LFS_ASSERT
+#ifndef LFS_NO_ASSERT
+#define LFS_ASSERT(test) assert(test)
+#else
+#define LFS_ASSERT(test)
+#endif
+#endif
+
+
+// Builtin functions, these may be replaced by more efficient
+// toolchain-specific implementations. LFS_NO_INTRINSICS falls back to a more
+// expensive basic C implementation for debugging purposes
+
+// Min/max functions for unsigned 32-bit numbers
+static inline uint32_t lfs_max(uint32_t a, uint32_t b) {
+    return (a > b) ? a : b;
+}
+
+static inline uint32_t lfs_min(uint32_t a, uint32_t b) {
+    return (a < b) ? a : b;
+}
+
+// Align to nearest multiple of a size
+static inline uint32_t lfs_aligndown(uint32_t a, uint32_t alignment) {
+    return a - (a % alignment);
+}
+
+static inline uint32_t lfs_alignup(uint32_t a, uint32_t alignment) {
+    return lfs_aligndown(a + alignment-1, alignment);
+}
+
+// Find the smallest power of 2 greater than or equal to a
+static inline uint32_t lfs_npw2(uint32_t a) {
+#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM))
+    return 32 - __builtin_clz(a-1);
+#else
+    uint32_t r = 0;
+    uint32_t s;
+    a -= 1;
+    s = (a > 0xffff) << 4; a >>= s; r |= s;
+    s = (a > 0xff  ) << 3; a >>= s; r |= s;
+    s = (a > 0xf   ) << 2; a >>= s; r |= s;
+    s = (a > 0x3   ) << 1; a >>= s; r |= s;
+    return (r | (a >> 1)) + 1;
+#endif
+}
+
+// Count the number of trailing binary zeros in a
+// lfs_ctz(0) may be undefined
+static inline uint32_t lfs_ctz(uint32_t a) {
+#if !defined(LFS_NO_INTRINSICS) && defined(__GNUC__)
+    return __builtin_ctz(a);
+#else
+    return lfs_npw2((a & -a) + 1) - 1;
+#endif
+}
+
+// Count the number of binary ones in a
+static inline uint32_t lfs_popc(uint32_t a) {
+#if !defined(LFS_NO_INTRINSICS) && (defined(__GNUC__) || defined(__CC_ARM))
+    return __builtin_popcount(a);
+#else
+    a = a - ((a >> 1) & 0x55555555);
+    a = (a & 0x33333333) + ((a >> 2) & 0x33333333);
+    return (((a + (a >> 4)) & 0xf0f0f0f) * 0x1010101) >> 24;
+#endif
+}
+
+// Find the sequence comparison of a and b, this is the distance
+// between a and b ignoring overflow
+static inline int lfs_scmp(uint32_t a, uint32_t b) {
+    return (int)(unsigned)(a - b);
+}
+
+// Convert between 32-bit little-endian and native order
+static inline uint32_t lfs_fromle32(uint32_t a) {
+#if (defined(  BYTE_ORDER  ) && defined(  ORDER_LITTLE_ENDIAN  ) &&   BYTE_ORDER   ==   ORDER_LITTLE_ENDIAN  ) || \
+    (defined(__BYTE_ORDER  ) && defined(__ORDER_LITTLE_ENDIAN  ) && __BYTE_ORDER   == __ORDER_LITTLE_ENDIAN  ) || \
+    (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+    return a;
+#elif !defined(LFS_NO_INTRINSICS) && ( \
+    (defined(  BYTE_ORDER  ) && defined(  ORDER_BIG_ENDIAN  ) &&   BYTE_ORDER   ==   ORDER_BIG_ENDIAN  ) || \
+    (defined(__BYTE_ORDER  ) && defined(__ORDER_BIG_ENDIAN  ) && __BYTE_ORDER   == __ORDER_BIG_ENDIAN  ) || \
+    (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
+    return __builtin_bswap32(a);
+#else
+    return (((uint8_t*)&a)[0] <<  0) |
+           (((uint8_t*)&a)[1] <<  8) |
+           (((uint8_t*)&a)[2] << 16) |
+           (((uint8_t*)&a)[3] << 24);
+#endif
+}
+
+static inline uint32_t lfs_tole32(uint32_t a) {
+    return lfs_fromle32(a);
+}
+
+// Convert between 32-bit big-endian and native order
+static inline uint32_t lfs_frombe32(uint32_t a) {
+#if !defined(LFS_NO_INTRINSICS) && ( \
+    (defined(  BYTE_ORDER  ) && defined(  ORDER_LITTLE_ENDIAN  ) &&   BYTE_ORDER   ==   ORDER_LITTLE_ENDIAN  ) || \
+    (defined(__BYTE_ORDER  ) && defined(__ORDER_LITTLE_ENDIAN  ) && __BYTE_ORDER   == __ORDER_LITTLE_ENDIAN  ) || \
+    (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
+    return __builtin_bswap32(a);
+#elif (defined(  BYTE_ORDER  ) && defined(  ORDER_BIG_ENDIAN  ) &&   BYTE_ORDER   ==   ORDER_BIG_ENDIAN  ) || \
+    (defined(__BYTE_ORDER  ) && defined(__ORDER_BIG_ENDIAN  ) && __BYTE_ORDER   == __ORDER_BIG_ENDIAN  ) || \
+    (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
+    return a;
+#else
+    return (((uint8_t*)&a)[0] << 24) |
+           (((uint8_t*)&a)[1] << 16) |
+           (((uint8_t*)&a)[2] <<  8) |
+           (((uint8_t*)&a)[3] <<  0);
+#endif
+}
+
+static inline uint32_t lfs_tobe32(uint32_t a) {
+    return lfs_frombe32(a);
+}
+
+// Calculate CRC-32 with polynomial = 0x04c11db7
+#ifdef LFS_CRC
+uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size) {
+    return LFS_CRC(crc, buffer, size)
+}
+#else
+uint32_t lfs_crc(uint32_t crc, const void *buffer, size_t size);
+#endif
+
+// Allocate memory, only used if buffers are not provided to littlefs
+//
+// littlefs current has no alignment requirements, as it only allocates
+// byte-level buffers.
+static inline void *lfs_malloc(size_t size) {
+#if defined(LFS_MALLOC)
+    return LFS_MALLOC(size);
+#elif !defined(LFS_NO_MALLOC)
+    return malloc(size);
+#else
+    (void)size;
+    return NULL;
+#endif
+}
+
+// Deallocate memory, only used if buffers are not provided to littlefs
+static inline void lfs_free(void *p) {
+#if defined(LFS_FREE)
+    LFS_FREE(p);
+#elif !defined(LFS_NO_MALLOC)
+    free(p);
+#else
+    (void)p;
+#endif
+}
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
+#endif

main.c

@@ -6,69 +6,149 @@ extern "C"
 {
 #endif
 
-#include "sdk_config.h"
 #include "app_config.h"
-#include "apply_old_config.h"
+#include "elite_board.h"
+#include "sdk_config.h"
 
 #include "nrf_log.h"
 #include "nrf_log_ctrl.h"
 #include "nrf_log_default_backends.h"
+#include "nrf_sdh.h"
+#include "nrf_sdh_ble.h"
+#include "nrf_sdh_freertos.h"
 
-#include "nrf_delay.h"
-#include "nrf_gpio.h"
-
-#include "FreeRTOS.h"
-#include "task.h"
+#include "nrf_drv_clock.h"
+#include "nrf_drv_power.h"
 
 #ifdef __cplusplus
 }
 #endif
 
-void led1_task(void *pArg)
+#define APP_BLE_CONN_CFG_TAG  1 /**< A tag identifying the SoftDevice BLE configuration. */
+#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */
+
+static void le_evt_handler(ble_evt_t const *p_ble_evt, void *p_context)
 {
-    nrf_gpio_cfg_output(13);
-
-    for (;;)
+    ret_code_t err_code;
+    switch (p_ble_evt->header.evt_id)
     {
-        NRF_LOG_INFO("led 1 off");
-        nrf_gpio_pin_set(13);
-        vTaskDelay(500);
-
-        NRF_LOG_INFO("led 1 on");
-        nrf_gpio_pin_clear(13);
-        vTaskDelay(500);
+        case BLE_GAP_EVT_PHY_UPDATE:
+            NRF_LOG_INFO("PHY update procedure is complete.");
+            break;
+        case BLE_GAP_EVT_CONN_PARAM_UPDATE:
+            NRF_LOG_INFO("Connection parameters updated.");
+            break;
+        case BLE_GAP_EVT_CONNECTED:
+            NRF_LOG_INFO("Connect to peer.");
+            err_code = sd_ble_gap_tx_power_set(BLE_GAP_TX_POWER_ROLE_CONN, p_ble_evt->evt.gap_evt.conn_handle, 8);
+            APP_ERROR_CHECK(err_code);
+            led_set(LED_IDEL_CONNECTED);
+            break;
+        case BLE_GAP_EVT_DISCONNECTED:
+            NRF_LOG_INFO("Disconnect from peer.");
+            err_code = sd_ble_gap_tx_power_set(BLE_GAP_TX_POWER_ROLE_ADV, p_ble_evt->evt.gap_evt.conn_handle, 0);
+            APP_ERROR_CHECK(err_code);
+            led_set(LED_IDEL_DISCONNECT);
+            break;
+        case BLE_GAP_EVT_PHY_UPDATE_REQUEST: {
+            NRF_LOG_INFO("PHY update response. (AUTO)");
+            ble_gap_phys_t const phys = {
+                .rx_phys = BLE_GAP_PHY_AUTO, // adv&connection: 1M PHY, After connection: mobile-2M, PC-1M
+                .tx_phys = BLE_GAP_PHY_AUTO,
+            };
+            err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys);
+            APP_ERROR_CHECK(err_code);
+        }
+        break;
+        case BLE_GATTS_EVT_SYS_ATTR_MISSING: {
+            ret_code_t err_code = sd_ble_gatts_sys_attr_set(p_ble_evt->evt.gatts_evt.conn_handle, NULL, 0, 0);
+            APP_ERROR_CHECK(err_code);
+        }
+        break;
+        default:
+            break;
     }
 }
 
-void led2_task(void *pArg)
+static void le_stack_Init(void)
 {
-    nrf_gpio_cfg_output(14);
+    ret_code_t err_code;
+    uint32_t ram_start = 0;
+    ble_cfg_t ble_cfg;
+    memset(&ble_cfg, 0x00, sizeof(ble_cfg));
+    ble_cfg.conn_cfg.conn_cfg_tag                            = APP_BLE_CONN_CFG_TAG;
+    ble_cfg.conn_cfg.params.gatts_conn_cfg.hvn_tx_queue_size = 12;
 
+    err_code = nrf_sdh_enable_request();
+    APP_ERROR_CHECK(err_code);
+
+    // Configure the BLE stack using the default settings.
+    // Fetch the start address of the application RAM.
+    err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);
+    APP_ERROR_CHECK(err_code);
+
+    err_code = sd_ble_cfg_set(BLE_CONN_CFG_GATTS, &ble_cfg, ram_start);
+    APP_ERROR_CHECK(err_code);
+
+    // Enable BLE stack.
+    err_code = nrf_sdh_ble_enable(&ram_start);
+    APP_ERROR_CHECK(err_code);
+
+    // Register a handler for BLE events.
+    NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, le_evt_handler, NULL);
+}
+
+static void nrf_sdh_freertos_task_hook(void *p_context)
+{
+    UNUSED_PARAMETER(p_context);
+
+    elite_board_init();
+
+#if DEF_ELITE_DEMO_WO_SOFTDEVICE
+    elite_board_demo();
     for (;;)
     {
-        NRF_LOG_INFO("led 2 off");
-        nrf_gpio_pin_set(14);
-        vTaskDelay(125);
-
-        NRF_LOG_INFO("led 2 on");
-        nrf_gpio_pin_clear(14);
-        vTaskDelay(125);
     }
+#endif
+
+    elite_drv_init();
+
+    le_stack_Init(); // enable ble stack, but unscannable!! register "le_evt_handler" handle(CB)
+
+    extern void le_gap_init(const char *device_name, uint16_t usAppearance);
+    le_gap_init(ELITE_DEVICE_NAME, BLE_APPEARANCE_UNKNOWN); // set BT name & connection interval
+
+    extern void le_gatt_init(void);
+    le_gatt_init();
+
+    extern void le_srv_init(void);
+    le_srv_init(); // service
+
+    extern void le_adv_init(uint8_t ble_conn_cfg_tag);
+    le_adv_init(APP_BLE_CONN_CFG_TAG); // could be scanned
+
+#if DEF_ELITE_DEMO_W_SOFTDEVICE
+    elite_board_demo();
+#endif
 }
 
 int main(void)
 {
     NRF_LOG_INIT(NULL, 0);
     NRF_LOG_DEFAULT_BACKENDS_INIT();
-    NRF_LOG_INFO("%s Build: %s %s", DEVICE_NAME, __TIME__, __DATE__);
+    NRF_LOG_INFO("%s Build: %s %s", ELITE_DEVICE_NAME, __TIME__, __DATE__);
+    NRF_LOG_INFO("[Board] HW ver: %d.%d.%d.%d(%s)", MAJOR_PRODUCT_NUMBER, MINOR_PRODUCT_NUMBER, MAJOR_VERSION_NUMBER, MINOR_VERSION_NUMBER, ELITE_HW_NAME);
 
-    xTaskCreate(led1_task, "led1_task", 160, NULL, 3, NULL);
-    xTaskCreate(led2_task, "led2_task", 160, NULL, 3, NULL);
+    nrf_drv_power_init(NULL);
+    nrf_drv_clock_init();
+
+    nrf_sdh_freertos_init(nrf_sdh_freertos_task_hook, NULL); // create event: softdevice_task - wireless protocal stack
 
     vTaskStartScheduler();
 
     for (;;)
     {
+        // Will not get here unless there is insufficient RAM.
         __BKPT(255);
     }
 }

max14802.c

@@ -0,0 +1,190 @@
+#include "max14802.h"
+#include "elite_board.h"
+
+#include "nrf_delay.h"
+#include "nrf_gpio.h"
+
+#include "string.h"
+
+#pragma GCC optimize("O2")
+
+#if (DEF_MAX14802_ENABLED)
+
+static sw_t m_sw = { .val = UINT64_MAX };
+
+#define EXCLUDE_IO_ENABLE  1
+#define EXCLUDE_IO_DISABLE 0
+
+static const uint32_t exclude_io[64] = {
+    ADPT0_S1_PIN,
+    ADPT0_S2_PIN,
+    ADPT0_S3_PIN,
+    ADPT0_S4_PIN,
+    ADPT1_S1_PIN,
+    ADPT1_S2_PIN,
+    ADPT1_S3_PIN,
+    ADPT1_S4_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+    UNCONNECTED_PIN,
+};
+
+static void shift_out(uint8_t *p, uint32_t len)
+{
+    nrf_gpio_pin_set(ADPT_LE_PIN);
+
+    for (int32_t j = len; j > 0; j--)
+    {
+        uint32_t val = p[j - 1];
+        for (uint32_t i = 0x01 << (SW_PER_BYTE - 1); i > 0; i >>= 1)
+        {
+            nrf_gpio_pin_clear(ADPT_CLK_PIN);
+            nrf_gpio_pin_write(ADPT_DIN_PIN, val & i);
+            nrf_gpio_pin_set(ADPT_CLK_PIN);
+            nrf_gpio_pin_write(ADPT_DIN_PIN, val & i);
+        }
+    }
+
+    nrf_gpio_pin_clear(ADPT_CLK_PIN);
+    nrf_gpio_pin_clear(ADPT_DIN_PIN);
+    nrf_gpio_pin_clear(ADPT_LE_PIN);
+    nrf_gpio_pin_set(ADPT_LE_PIN);
+}
+
+int max14802_reset(void)
+{
+    m_sw.val = 0;
+    shift_out((uint8_t *)&m_sw.val, SW_TOTAL_COUNT / SW_PER_BYTE);
+    return 0;
+}
+
+int max14802_write(sw_t sw_mask)
+{
+    if (m_sw.val != sw_mask.val)
+    {
+        m_sw = sw_mask;
+
+        // Disable A1_AOUT,A2_AOUT,B1_AOUT, .... B3_AOUT, B4_AOUT
+
+        for (uint32_t i = 0; i < SW_TOTAL_COUNT; i++)
+        {
+            nrf_gpio_pin_write(exclude_io[i], EXCLUDE_IO_DISABLE);
+        }
+
+        nrf_delay_ms(1);
+
+        // Set max14082
+        shift_out((uint8_t *)&m_sw.val, SW_TOTAL_COUNT / SW_PER_BYTE);
+
+        // Enable A1_AOUT,A2_AOUT,B1_AOUT, .... B3_AOUT, B4_AOUT are all disable when all max14082 off
+
+        if (m_sw.val == 0)
+        {
+            nrf_delay_ms(1);
+            for (uint32_t i = 0; i < SW_TOTAL_COUNT; i++)
+            {
+                nrf_gpio_pin_write(exclude_io[i], EXCLUDE_IO_ENABLE);
+            }
+        }
+    }
+
+    return 0;
+}
+
+int max14802_read(sw_t *p_sw_mask)
+{
+    *p_sw_mask = m_sw;
+    return 0;
+}
+int max14802_get_sw_count(uint32_t *p_sw_count)
+{
+    *p_sw_count = SW_TOTAL_COUNT;
+    return 0;
+}
+
+int max14802_init(void)
+{
+    nrf_gpio_pin_set(ADPT_CLR_PIN);
+    nrf_gpio_pin_set(ADPT_LE_PIN);
+    nrf_gpio_pin_clear(ADPT_CLK_PIN);
+    nrf_gpio_pin_clear(ADPT_DIN_PIN);
+
+    nrf_gpio_cfg_output(ADPT_CLR_PIN);
+    nrf_gpio_cfg_output(ADPT_LE_PIN);
+    nrf_gpio_cfg_output(ADPT_CLK_PIN);
+    nrf_gpio_cfg_output(ADPT_DIN_PIN);
+
+    for (uint32_t i = 0; i < COUNTOF(exclude_io); i++)
+    {
+        nrf_gpio_pin_write(exclude_io[i], EXCLUDE_IO_DISABLE);
+    }
+
+    max14802_write((sw_t) { .val = 0 });
+
+    nrf_gpio_pin_clear(ADPT_CLR_PIN);
+
+    return 0;
+}
+
+const sw_drv_if_t max14802 = {
+    .init         = max14802_init,
+    .reset        = max14802_reset,
+    .write        = max14802_write,
+    .read         = max14802_read,
+    .get_sw_count = max14802_get_sw_count,
+};
+
+#endif

max14802.h

@@ -0,0 +1,31 @@
+#ifndef __MAX14802_H__
+#define __MAX14802_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "sw_drv_if.h"
+
+#if (DEF_MAX14802_ENABLED)
+
+#define MAX14802_COUNT  1
+#define SW_PER_MAX14802 16
+#define SW_TOTAL_COUNT  (SW_PER_MAX14802 * MAX14802_COUNT)
+#define SW_PER_BYTE     8
+
+#if (SW_TOTAL_COUNT > 64)
+#error "unsupport"
+#endif /* ! SW_TOTAL_COUNT */
+
+extern const sw_drv_if_t max14802;
+
+#endif /* ! DEF_MAX14802_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // !__MAX14802_H__

max5136.c

@@ -0,0 +1,133 @@
+#include "max5136.h"
+
+
+#include "dac_drv_if.h"
+
+#include "nrf_log.h"
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+#if (DEF_MAX5136_ENABLED)
+#define MAX5136_NOP_MODE           (0x00 << 0)
+#define MAX5136_LDAC_MODE          (0x01 << 0)
+#define MAX5136_CLR_MODE           (0x02 << 0)
+#define MAX5136_PWR_CTRL_MODE      (0x03 << 0)
+#define MAX5136_LINEARITY_MODE     (0x05 << 0)
+#define MAX5136_WRITE_MODE         (0x01 << 4)
+#define MAX5136_WRITE_THROUGH_MODE (0x03 << 4)
+
+#define MAX5136_LINEARITY_SET      (0b1000000000)
+#define MAX5136_LINEARITY_CLR      (0b0000000000)
+
+typedef struct __PACKED
+{
+    uint8_t ctrl_bits;
+    uint16_t data_bits;
+} max5136_opcode_t;
+
+static int max5136_ldac_mode(uint32_t channel_mask)
+{
+    /*
+        Move contents of input to DAC registers indicated by 1's.
+        No effect on registers indicated by 0's.
+    */
+    max5136_opcode_t op_code = {
+        .ctrl_bits = MAX5136_LDAC_MODE,
+        .data_bits = __REVSH((channel_mask & 0b1111) << 8),
+    };
+    spim_xfer(CS_DAC_PIN, NRF_SPIM_MODE_2, (uint8_t *)&op_code, sizeof(op_code), NULL, 0);
+    return 0;
+}
+
+static int max5136_power_control_mode(uint32_t channel_mask, uint32_t ready_enable)
+{
+    /*
+        Power down DACs indicated by 1's.
+        Set READY_EN = 1 to enable READY.
+    */
+    max5136_opcode_t op_code = {
+        .ctrl_bits = MAX5136_PWR_CTRL_MODE | (channel_mask & 0b1111),
+        .data_bits = __REVSH(((channel_mask & 0b1111) << 8) | (ready_enable == 0 ? 0 : 1)),
+    };
+    spim_xfer(CS_DAC_PIN, NRF_SPIM_MODE_2, (uint8_t *)&op_code, sizeof(op_code), NULL, 0);
+    return 0;
+}
+
+static int max5136_write_mode(uint32_t channel_mask, int32_t dac_val)
+{
+    /*
+        Write to selected input  registers (DAC output not affected).
+    */
+    max5136_opcode_t op_code = {
+        .ctrl_bits = MAX5136_WRITE_MODE | (channel_mask & 0b1111),
+        .data_bits = __REVSH(dac_val),
+    };
+    spim_xfer(CS_DAC_PIN, NRF_SPIM_MODE_2, (uint8_t *)&op_code, sizeof(op_code), NULL, 0);
+    return 0;
+}
+
+static int max5136_write_through_mode(uint32_t channel_mask, int32_t dac_val)
+{
+    /*
+        Write to selected input and DAC registers,  DAC outputs updated (writethrough).
+    */
+    max5136_opcode_t op_code = {
+        .ctrl_bits = MAX5136_WRITE_THROUGH_MODE | (channel_mask & 0b1111),
+        .data_bits = __REVSH(dac_val),
+    };
+    spim_xfer(CS_DAC_PIN, NRF_SPIM_MODE_2, (uint8_t *)&op_code, sizeof(op_code), NULL, 0);
+    return 0;
+}
+
+static void max5136_linearity(void)
+{
+    /*
+        To guarantee DAC linearity, wait until the supplies have
+        settled. Set the LIN bit in the DAC linearity register; wait
+        10ms, and clear the LIN bit.
+    */
+    max5136_opcode_t op_code = { .ctrl_bits = MAX5136_LINEARITY_MODE };
+
+    op_code.data_bits = __REVSH(MAX5136_LINEARITY_SET);
+    spim_xfer(CS_DAC_PIN, NRF_SPIM_MODE_2, (uint8_t *)&op_code, sizeof(op_code), NULL, 0);
+
+    vTaskDelay(pdMS_TO_TICKS(10));
+
+    op_code.data_bits = __REVSH(MAX5136_LINEARITY_CLR);
+    spim_xfer(CS_DAC_PIN, NRF_SPIM_MODE_2, (uint8_t *)&op_code, sizeof(op_code), NULL, 0);
+}
+
+static int max5136_soft_reset(void)
+{
+    /*
+        The software clear command acts as a  software POR,
+        erasing the contents of all registers. All outputs
+        return to the state determined by the M/Z input.
+    */
+
+    max5136_opcode_t op_code = {
+        .ctrl_bits = MAX5136_CLR_MODE,
+        .data_bits = 0,
+    };
+    spim_xfer(CS_DAC_PIN, NRF_SPIM_MODE_2, (uint8_t *)&op_code, sizeof(op_code), NULL, 0);
+    return 0;
+}
+
+static int max5136_init(void)
+{
+    max5136_soft_reset();
+    max5136_linearity();
+    return 0;
+}
+
+dac_drv_if_t max5316_drv = {
+    .init               = max5136_init,
+    .ldac_mode          = max5136_ldac_mode,
+    .reset              = max5136_soft_reset,
+    .power_control_mode = max5136_power_control_mode,
+    .write_mode         = max5136_write_mode,
+    .write_through_mode = max5136_write_through_mode,
+};
+
+#endif /* !DEF_MAX5136_ENABLED */

max5136.h

@@ -0,0 +1,20 @@
+#ifndef __MAX5136_H__
+#define __MAX5136_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "elite_board.h"
+#include "dac_drv_if.h"
+
+#if (DEF_MAX5136_ENABLED)
+extern dac_drv_if_t max5136;
+#endif /* ! DEF_MAX5316_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __MAX5136_H__ */

nRF52811_XXAA_s140.lds

@@ -5,8 +5,8 @@ MEMORY
 {
   FLASH_SOFTDEVICE (rx) : ORIGIN = 0x00000000, LENGTH = 0x00027000
   FLASH (rx) : ORIGIN = 0x00027000, LENGTH = 0x000d9000
-  RAM_SOFTDEVICE (rwx) : ORIGIN = 0x20000000, LENGTH = 0x000079e0
-  RAM (rwx) : ORIGIN = 0x200079e0, LENGTH = 0x00037620
+  RAM_SOFTDEVICE (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00018000
+  RAM (rwx) : ORIGIN = 0x20018000, LENGTH = 0x00027000
   RTT (rwx) : ORIGIN = 0x2003F000, LENGTH = 0x00001000
   CODE_RAM (rwx) : ORIGIN = 0x800000, LENGTH = 0x6000
 }

nRF52840_XXAA_S140_reserve.lds

@@ -2,9 +2,9 @@
 
 MEMORY
 {
-  FLASH (rx) : ORIGIN = 0x00027000, LENGTH = 0x000d9000
-  EXTFLASH (rx) : ORIGIN = 0x12000000, LENGTH = 0x8000000
-  RAM (rwx) : ORIGIN = 0x200079e0, LENGTH = 0x00038620
+  FLASH (rx) : ORIGIN = 0x00027000, LENGTH = 0x000B7000
+  RAM_SOFTDEVICE (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00010000
+  RAM (rwx) : ORIGIN = 0x20010000, LENGTH = 0x00030000
   CODE_RAM (rwx) : ORIGIN = 0x800000, LENGTH = 0x40000
 }
 

nrf5x.xml

@@ -2,9 +2,9 @@
 <EmbeddedProfile xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <ToolchainID>com.visualgdb.arm-eabi</ToolchainID>
   <ToolchainVersion>
-    <GCC>10.3.1</GCC>
-    <GDB>10.2.90</GDB>
-    <Revision>1</Revision>
+    <GCC>14.2.1</GCC>
+    <GDB>15.2</GDB>
+    <Revision>2</Revision>
   </ToolchainVersion>
   <BspID>com.sysprogs.arm.nordic.nrf5x</BspID>
   <BspVersion>17.0</BspVersion>
@@ -18,7 +18,7 @@
       </KeyValue>
       <KeyValue>
         <Key>com.sysprogs.bspoptions.nrf5x.pinreset</Key>
-        <Value>CONFIG_GPIO_AS_PINRESET</Value>
+        <Value />
       </KeyValue>
       <KeyValue>
         <Key>com.sysprogs.bspoptions.primary_memory</Key>
@@ -53,32 +53,33 @@
   <BSPSourceFolderName>Device-specific files</BSPSourceFolderName>
   <MCUMakFile>nrf5x.mak</MCUMakFile>
   <ReferencedFrameworks>
+    <string>com.sysprogs.arm.nordic.nrf5x.periph_legacy</string>
     <string>com.sysprogs.arm.nordic.nrf5x.util</string>
-    <string>com.sysprogs.arm.nordic.nrf5x.drivers_nrf</string>
     <string>com.sysprogs.arm.nordic.nrf5x.libraries</string>
     <string>com.sysprogs.arm.nordic.nrf5x.modules_nrfx</string>
-    <string>com.sysprogs.arm.nordic.nrf5x.periph_legacy</string>
+    <string>com.sysprogs.arm.nordic.nrf5x.drivers_nrf</string>
   </ReferencedFrameworks>
   <FrameworkProperties>
     <Entries>
       <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.nrf_soc_nosd</Key>
-      </KeyValue>
-      <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.radio_config</Key>
-      </KeyValue>
-      <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.sdio</Key>
-      </KeyValue>
-      <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.spi_master</Key>
-      </KeyValue>
-      <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.twi_master</Key>
+        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.spi</Key>
         <Value>none</Value>
       </KeyValue>
+      <KeyValue>
+        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.swi</Key>
+      </KeyValue>
+      <KeyValue>
+        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.twi</Key>
+      </KeyValue>
+      <KeyValue>
+        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.uart</Key>
+      </KeyValue>
+      <KeyValue>
+        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.clock</Key>
+      </KeyValue>
       <KeyValue>
         <Key>com.sysprogs.bspoptions.nrf5x.libraries.atomic_fifo</Key>
+        <Value>yes</Value>
       </KeyValue>
       <KeyValue>
         <Key>com.sysprogs.bspoptions.nrf5x.libraries.atomic_flags</Key>
@@ -246,27 +247,28 @@
       </KeyValue>
       <KeyValue>
         <Key>com.sysprogs.bspoptions.nrf5x.libraries.usbd</Key>
+        <Value />
       </KeyValue>
       <KeyValue>
         <Key>com.sysprogs.bspoptions.nrf5x.libraries.fprintf</Key>
         <Value>yes</Value>
       </KeyValue>
       <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.spi</Key>
+        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.nrf_soc_nosd</Key>
+      </KeyValue>
+      <KeyValue>
+        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.radio_config</Key>
+      </KeyValue>
+      <KeyValue>
+        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.sdio</Key>
+      </KeyValue>
+      <KeyValue>
+        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.spi_master</Key>
+      </KeyValue>
+      <KeyValue>
+        <Key>com.sysprogs.bspoptions.nrf5x.drivers_nrf.twi_master</Key>
         <Value>none</Value>
       </KeyValue>
-      <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.swi</Key>
-      </KeyValue>
-      <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.twi</Key>
-      </KeyValue>
-      <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.uart</Key>
-      </KeyValue>
-      <KeyValue>
-        <Key>com.sysprogs.bspoptions.nrf5x.legacy_drivers.clock</Key>
-      </KeyValue>
     </Entries>
   </FrameworkProperties>
   <TestFrameworkProperties>

pel.c

@@ -0,0 +1,883 @@
+#include "app_config.h"
+#include "app_error.h"
+
+#include "elite_board.h"
+#include "pel.h"
+
+#include "elite_def.h"
+
+#include "nrf_delay.h"
+#include "nrf_gpio.h"
+#include "nrf_log.h"
+
+#include "adc_drv.h"
+
+#include "FreeRTOS.h"
+#include "message_buffer.h"
+#include "queue.h"
+#include "semphr.h"
+#include "stream_buffer.h"
+#include "task.h"
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+
+typedef struct
+{
+    uint32_t pattern_index;
+    uint32_t resistor_mask;
+    float resistor_conductance;
+} resistor_t;
+
+typedef struct
+{
+    resistor_t resistor;
+    bool use_pattern_index;
+} load_config_t;
+
+static load_config_t load_config;
+
+static float _load_set(uint32_t mask)
+{
+    typedef struct
+    {
+        float val;
+        uint32_t pin;
+        uint32_t mask;
+    } input_pin_t;
+
+    const input_pin_t input_pin_tab[] = {
+        {   0.5,  INPUT_1_PIN,  PEL_0P5R_MASK},
+        {   1.0,  INPUT_2_PIN,  PEL_1P0R_MASK},
+        {   2.0,  INPUT_3_PIN,  PEL_2P0R_MASK},
+        {   4.0,  INPUT_4_PIN,  PEL_4P0R_MASK},
+        {   8.3,  INPUT_5_PIN,  PEL_8P0R_MASK},
+        {  16.2,  INPUT_6_PIN, PEL_16P2R_MASK},
+        {  32.4,  INPUT_7_PIN, PEL_32P4R_MASK},
+        {  62.5,  INPUT_8_PIN, PEL_63P4R_MASK},
+        { 130.0,  INPUT_9_PIN,  PEL_127R_MASK},
+        { 270.0, INPUT_10_PIN,  PEL_255R_MASK},
+        { 510.0, INPUT_11_PIN,  PEL_511R_MASK},
+        {1000.0, INPUT_12_PIN, PEL_1000R_MASK},
+    };
+
+    float ohms                = 0;
+    float sum_of_conductances = 0;
+
+    for (int32_t i = COUNTOF(input_pin_tab) - 1; i >= 0; i--)
+    {
+        if (input_pin_tab[i].mask & mask)
+        {
+            nrf_gpio_pin_clear(input_pin_tab[i].pin);
+            ohms                += input_pin_tab[i].val;
+            sum_of_conductances += 1 / input_pin_tab[i].val;
+            NRF_LOG_INFO("enable R%-2d(" NRF_LOG_FLOAT_MARKER "ohm)", i + 1, NRF_LOG_FLOAT(input_pin_tab[i].val));
+        }
+        else
+        {
+            nrf_gpio_pin_set(input_pin_tab[i].pin);
+        }
+    }
+    return sum_of_conductances;
+}
+
+static void set_resistor_load_bits(uint32_t mask)
+{
+    load_config.use_pattern_index             = false;
+    load_config.resistor.pattern_index        = 0;
+    load_config.resistor.resistor_mask        = mask;
+    load_config.resistor.resistor_conductance = _load_set(load_config.resistor.resistor_mask);
+}
+
+static void set_resistor_load_pattern(uint32_t index)
+{
+    const resistor_t pattern_tab[] = {
+        { 1, 0b0000000000000111},
+        { 2, 0b0000000000000011},
+        { 3, 0b0000000000000101},
+        { 4, 0b0000000000000001},
+        { 5, 0b0000000000001110},
+        { 6, 0b0000000000000110},
+        { 7, 0b0000000000001010},
+        { 8, 0b0000000000000010},
+        { 9, 0b0000000000011100},
+        {10, 0b0000000000001100},
+        {11, 0b0000000000010100},
+        {12, 0b0000000000000100},
+        {13, 0b0000000000111000},
+        {14, 0b0000000000011000},
+        {15, 0b0000000000101000},
+        {16, 0b0000000000001000},
+        {17, 0b0000000001110000},
+        {18, 0b0000000000110000},
+        {19, 0b0000000001010000},
+        {20, 0b0000000000010000},
+        {21, 0b0000000011100000},
+        {22, 0b0000000001100000},
+        {23, 0b0000000010100000},
+        {24, 0b0000000000100000},
+        {25, 0b0000000111000000},
+        {26, 0b0000000011000000},
+        {27, 0b0000000101000000},
+        {28, 0b0000000001000000},
+        {29, 0b0000001110000000},
+        {30, 0b0000000110000000},
+        {31, 0b0000001010000000},
+        {32, 0b0000000010000000},
+        {33, 0b0000011100000000},
+        {34, 0b0000001100000000},
+        {35, 0b0000010100000000},
+        {36, 0b0000000100000000},
+        {37, 0b0000111000000000},
+        {38, 0b0000011000000000},
+        {39, 0b0000101000000000},
+        {40, 0b0000001000000000},
+        {41, 0b0000110000000000},
+        {42, 0b0000010000000000},
+        {43, 0b0000100000000000},
+    };
+
+    for (int32_t i = 0; i < ARRAY_SIZE(pattern_tab); i++)
+    {
+        if (pattern_tab[i].pattern_index == index)
+        {
+            load_config.use_pattern_index             = true;
+            load_config.resistor.pattern_index        = index;
+            load_config.resistor.resistor_mask        = pattern_tab[i].resistor_mask;
+            load_config.resistor.resistor_conductance = _load_set(load_config.resistor.resistor_mask);
+            break;
+        }
+    }
+}
+
+static void set_resistor_to_high_z(void)
+{
+    NRF_LOG_INFO("%s", __FUNCTION__);
+    set_resistor_load_bits(0);
+}
+
+typedef struct
+{
+    uint32_t setting_pattern_id_max;
+    uint32_t setting_pattern_id_min;
+    uint16_t setting_notify_cnt_every_pattern;
+} auto_scan_mode_params_t;
+
+typedef struct
+{
+    union
+    {
+        uint32_t value;
+        uint32_t bitmask;
+        uint32_t pattern;
+    };
+    bool is_pattern;
+} resistor_setting_t;
+
+typedef struct
+{
+    uint32_t count;
+    uint32_t drop;
+    bool the_last_record_flag;
+    void (*complete_cb)(void);
+} notify_setting_t;
+
+typedef struct
+{
+    uint32_t opcode;
+    union
+    {
+        uint32_t raw[256 / sizeof(uint32_t)];
+        resistor_setting_t resistor_setting;
+        notify_setting_t notify_setting;
+    };
+} pel_scan_msg_t;
+
+static uint8_t global_memoryboard_id        = 0xFF;
+static SemaphoreHandle_t auto_scan_cplt_sem = NULL;
+static SemaphoreHandle_t adc_convt_cplt_sem = NULL;
+static MessageBufferHandle_t pel_scan_msqQ  = NULL;
+
+static void vis_rst(uint8_t *ins, uint16_t size)
+{
+    NRF_LOG_INFO("%s", __FUNCTION__);
+}
+
+static void cis_version(uint8_t *ins, uint16_t size)
+{
+    NRF_LOG_INFO("%s", __FUNCTION__);
+    uint8_t cis_ver[] = {
+        CIS_VERSION,
+        VERSION_DATE_YEAR,
+        VERSION_DATE_MONTH,
+        VERSION_DATE_DAY,
+        VERSION_DATE_HOUR,
+        VERSION_DATE_MINUTE,
+    };
+    extern ret_code_t le_data_update(uint8_t * p_value, uint16_t len);
+    le_data_update((void *)cis_ver, sizeof(cis_ver));
+}
+
+static void send_start_package(void *packet_buf, uint32_t packet_len)
+{
+    NRF_LOG_INFO(__FUNCTION__);
+
+    for (uint32_t i = 0; i < 4; i++)
+    {
+        ret_code_t le_event_notify(uint8_t * p_value, uint16_t len);
+        nrf_gpio_pin_set(TP2_PIN);
+        ret_code_t ret = le_event_notify(packet_buf, packet_len);
+        nrf_gpio_pin_clear(TP2_PIN);
+
+        vTaskDelay(pdMS_TO_TICKS(10));
+
+        NRF_LOG_HEXDUMP_INFO(packet_buf, packet_len);
+        NRF_LOG_INFO("\n");
+    }
+}
+
+static void pel_scan_mode_notify(scan_mode_notify_packet_t *packet_buf, uint32_t packet_len)
+{
+    int32_t adc_raw[COUNTOF(pel_hw.adc.results)] = { 0 };
+
+    for (int i = 0; i < COUNTOF(pel_hw.adc.results); i++)
+    {
+        adc_raw[i] = pel_hw.adc.results[i];
+    }
+
+    adc_read_mutiple_channels_convert_milivolt(adc_raw, pel_hw.adc.results_f, COUNTOF(pel_hw.adc.channels));
+
+    packet_buf->mem_board_id = global_memoryboard_id;
+    packet_buf->packet_seq++;
+    packet_buf->notify_time      = xTaskGetTickCount();
+    packet_buf->output_vo_raw    = pel_hw.adc.results[2];
+    packet_buf->output_vc_raw    = pel_hw.adc.results[3];
+    packet_buf->output_ve_raw    = pel_hw.adc.results[4];
+    packet_buf->hold_OUT_v       = pel_hw.adc.results_f[2] * 10 / 1000;
+    packet_buf->hold_VCC_v       = pel_hw.adc.results_f[3] * 10 / 1000;
+    packet_buf->hold_VEE_v       = pel_hw.adc.results_f[4] * 10 / 1000;
+    packet_buf->resis_pattern_id = load_config.resistor.pattern_index;
+    packet_buf->resis_bitsmask   = load_config.resistor.resistor_mask;
+    packet_buf->resis_g_value    = load_config.resistor.resistor_conductance;
+    packet_buf->val_1            = 0xFFFFFFFF;
+    packet_buf->val_2            = 0xFFFFFFFF;
+    packet_buf->val_3            = 0xFFFF;
+    ret_code_t ret               = le_event_async_notify((void *)packet_buf, packet_len, pdMS_TO_TICKS(5));
+
+    // NRF_LOG_HEXDUMP_INFO(packet_buf,packet_len);
+    {
+        char str[128];
+        snprintf(str, sizeof(str), "{%3d, %3d, %10lu, %10lu, %10lu, %10lu, %2.7f, %2.7f, %2.7f, %5d, 0x%04X, %.7f, %d}", packet_buf->mem_board_id, packet_buf->packet_seq, packet_buf->notify_time, packet_buf->output_vo_raw, packet_buf->output_vc_raw, packet_buf->output_ve_raw, packet_buf->hold_OUT_v, packet_buf->hold_VCC_v, packet_buf->hold_VEE_v, packet_buf->resis_pattern_id, packet_buf->resis_bitsmask, packet_buf->resis_g_value, packet_buf->mode_complete);
+        NRF_LOG_INFO("%s", str);
+    }
+}
+
+void test_gpio_task(void *pArg)
+{
+    const uint32_t pel_pins[] = {
+        INPUT_1_PIN,
+        INPUT_2_PIN,
+        INPUT_3_PIN,
+        INPUT_4_PIN,
+        INPUT_5_PIN,
+        INPUT_6_PIN,
+        INPUT_7_PIN,
+        INPUT_8_PIN,
+        INPUT_9_PIN,
+        INPUT_10_PIN,
+        INPUT_11_PIN,
+        INPUT_12_PIN,
+        ANODE_PIN,
+        CATHODE_PIN,
+        SAMPLE_R_PIN,
+        SAMPLE_V_PIN
+    };
+
+    for (;;)
+    {
+
+        NRF_LOG_INFO("[test] all output pin set low");
+        for (int i = 0; i < COUNTOF(pel_pins); i++)
+        {
+            nrf_gpio_pin_clear(pel_pins[i]);
+        }
+        vTaskDelay(1000);
+
+        NRF_LOG_INFO("[test] all output pin set high");
+        for (int i = 0; i < COUNTOF(pel_pins); i++)
+        {
+            nrf_gpio_pin_set(pel_pins[i]);
+        }
+        vTaskDelay(1000);
+
+        NRF_LOG_INFO("[test] alternating high and low signals on all output pins");
+        for (int i = 0; i < COUNTOF(pel_pins); i++)
+        {
+            nrf_gpio_pin_clear(pel_pins[i]);
+        }
+        vTaskDelay(1000);
+        for (int i = 0; i < COUNTOF(pel_pins); i++)
+        {
+            nrf_gpio_pin_set(pel_pins[i]);
+            vTaskDelay(100);
+            nrf_gpio_pin_clear(pel_pins[i]);
+        }
+        vTaskDelay(1000);
+    }
+}
+
+static void decode_and_set_resistor_pattern(uint8_t *param)
+{
+    uint16_t pattern_id = u8_to_u16(param[0], param[1]);
+
+    set_resistor_load_pattern(pattern_id);
+}
+
+static void decode_and_set_manual_resistor(uint8_t *param)
+{
+    uint16_t manual_val = u8_to_u16(param[0], param[1]);
+
+    set_resistor_load_bits(manual_val);
+}
+
+static void dev_mode_input_resistor(uint8_t *ins)
+{
+    NRF_LOG_INFO("[DEV MODE] %s", __FUNCTION__);
+
+    struct __PACKED
+    {
+        uint8_t id       : 4;
+        uint8_t ins_type : 4;
+        uint8_t pkg_size;
+        uint8_t mode;
+        uint8_t func_id;
+        uint8_t opcode;
+        uint8_t param[];
+    } *p_ins = (void *)ins;
+
+    switch (p_ins->opcode)
+    {
+        case 0x00:
+            set_resistor_to_high_z();
+            break;
+
+        case 0x01:
+            decode_and_set_resistor_pattern(p_ins->param);
+            break;
+
+        case 0x02:
+            decode_and_set_manual_resistor(p_ins->param);
+            break;
+
+        default:
+            break;
+    }
+}
+
+static void start_adc_pulse(uint32_t pusle_cnt, void (*convt_done_cb)(void))
+{
+    pel_config_t pel_cfg = {
+        .anode_pin    = ANODE_PIN,
+        .cathode_pin  = CATHODE_PIN,
+        .smaple_r_pin = SAMPLE_R_PIN,
+        .sample_v_pin = SAMPLE_V_PIN,
+        .test_pin     = TP1_PIN,
+        .mode         = BOARD_IOPx,
+        .point_us     = {
+                         10000,
+                         3,
+                         5,
+                         2,
+                         0,
+                         },
+        .pulse_cnt            = pusle_cnt,
+        .gain                 = NRF_SAADC_GAIN1_6,
+        .smaple_time          = NRF_SAADC_ACQTIME_10US,
+        .adc_timing_shift     = 0,
+        .convt_new_arrival_cb = convt_done_cb,
+    };
+
+    pel_pulse_gen_init(pel_cfg);
+    pel_pulse_gen_start();
+}
+
+static void stop_adc_pulse(void)
+{
+    pel_pulse_gen_stop();
+}
+
+static void adc_event_end_cb(void)
+{
+    BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+    xSemaphoreGiveFromISR(adc_convt_cplt_sem, &xHigherPriorityTaskWoken);
+    portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+}
+
+static void pel_pulse_start(void *p_arg)
+{
+    NRF_LOG_INFO("%s()", __FUNCTION__);
+
+    resistor_setting_t *p_setting = p_arg;
+
+    stop_adc_pulse();
+
+    vTaskDelay(pdMS_TO_TICKS(20));
+
+    if (p_setting->is_pattern == true)
+    {
+        nrf_gpio_pin_set(RELAY1_PIN);
+        set_resistor_load_pattern(p_setting->pattern);
+        nrf_gpio_pin_clear(RELAY1_PIN);
+    }
+    else
+    {
+        nrf_gpio_pin_set(RELAY1_PIN);
+        set_resistor_load_bits(p_setting->bitmask);
+        nrf_gpio_pin_clear(RELAY1_PIN);
+    }
+
+    nrf_gpio_pin_set(TP2_PIN);   // For testing
+    start_adc_pulse(0xFFFFFFFF, adc_event_end_cb);
+    nrf_gpio_pin_clear(TP2_PIN); // For testing
+}
+
+static void pel_pulse_stop(void *p_arg)
+{
+    NRF_LOG_INFO("%s()", __FUNCTION__);
+
+    UNUSED_PARAMETER(p_arg);
+
+    stop_adc_pulse();
+    set_resistor_to_high_z();
+}
+
+#define MODE_COMPLETE (0xA)
+static void pel_pulse_notify(void *p_arg)
+{
+    NRF_LOG_INFO("%s()", __FUNCTION__);
+
+    notify_setting_t *p_setting = p_arg;
+
+    static scan_mode_notify_packet_t packet_buf = { 0 };
+
+    xSemaphoreTake(adc_convt_cplt_sem, 0);
+
+    for (uint32_t i = 0; i < p_setting->drop; i++)
+    {
+        xSemaphoreTake(adc_convt_cplt_sem, pdMS_TO_TICKS(1000));
+    }
+
+    for (uint32_t i = 0; i < p_setting->count; i++)
+    {
+        xSemaphoreTake(adc_convt_cplt_sem, pdMS_TO_TICKS(1000));
+
+        if (p_setting->the_last_record_flag && (i == p_setting->count - 1))
+        {
+            packet_buf.mode_complete |= MODE_COMPLETE;
+        }
+        else
+        {
+            packet_buf.mode_complete &= ~MODE_COMPLETE;
+        }
+
+        nrf_gpio_pin_set(TP2_PIN);
+        pel_scan_mode_notify(&packet_buf, sizeof(packet_buf));
+        nrf_gpio_pin_clear(TP2_PIN);
+    }
+
+    if (p_setting->complete_cb)
+    {
+        p_setting->complete_cb();
+    }
+}
+
+#define PEL_START        0x00
+#define PEL_SET_RESISTOR 0x01
+#define PEL_STOP         0x02
+#define PEL_NOTIFY       0x03
+
+static void pel_scan_mode_task(void *pvArg)
+{
+    uint8_t recv[sizeof(pel_scan_msg_t)];
+
+    for (;;)
+    {
+        pel_scan_msg_t *p  = (void *)recv;
+        uint32_t recv_size = xMessageBufferReceive(pel_scan_msqQ, recv, sizeof(recv), portMAX_DELAY);
+        if (recv_size)
+        {
+            switch (p->opcode)
+            {
+                case PEL_START:
+                    pel_pulse_start(&p->resistor_setting);
+                    break;
+                case PEL_SET_RESISTOR:
+                    pel_pulse_start(&p->resistor_setting);
+                    break;
+                case PEL_STOP:
+                    pel_pulse_stop(NULL);
+                    break;
+                case PEL_NOTIFY:
+                    pel_pulse_notify(&p->notify_setting);
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+}
+
+static void dev_mode(uint8_t *ins, uint16_t size)
+{
+    struct __PACKED
+    {
+        uint8_t id       : 4;
+        uint8_t ins_type : 4;
+        uint8_t pkg_size;
+        uint8_t mode;
+        uint8_t func_id;
+        uint8_t opcode;
+        uint8_t param[];
+    } *p_ins = (void *)ins;
+
+    global_memoryboard_id = p_ins->id;
+
+    switch (p_ins->func_id)
+    {
+        case 0x01:
+            dev_mode_input_resistor(ins);
+            break;
+
+        default:
+            break;
+    }
+}
+
+static void manual_scan_mode(uint8_t *ins, uint16_t size)
+{
+    struct __PACKED
+    {
+        uint8_t id       : 4;
+        uint8_t ins_type : 4;
+        uint8_t pkg_size;
+        uint8_t mode;
+        uint8_t opcode;
+        uint8_t param[];
+    } *p_ins = (void *)ins;
+
+    global_memoryboard_id = p_ins->id;
+
+    static pel_scan_msg_t pel_scan_msg;
+    scan_mode_notify_packet_t packet_buf = { 0 };
+
+    switch (p_ins->opcode)
+    {
+        case 0x00: {
+            // manual_scan_mode stop
+            // 30 00 01 00
+            pel_scan_msg.opcode = PEL_STOP;
+            ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode), pdMS_TO_TICKS(500)));
+            break;
+        }
+
+        case 0x01: {
+            // manual_scan_mode start
+            // 30 00 01 01  00 01  00 05  00 0A  00 03 (pattern_index)
+            // 30 00 01 01  00 00  00 F0  00 0A  00 03 (resistor_mask)
+            send_start_package((void *)&packet_buf, sizeof(packet_buf));
+            pel_scan_msg.opcode                      = PEL_START;
+            pel_scan_msg.resistor_setting.is_pattern = u8_to_u16(p_ins->param[0], p_ins->param[1]) & 0x01;
+            pel_scan_msg.resistor_setting.value      = u8_to_u16(p_ins->param[2], p_ins->param[3]);
+            ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode) + sizeof(pel_scan_msg.resistor_setting), pdMS_TO_TICKS(500)));
+
+            pel_scan_msg.opcode               = PEL_NOTIFY;
+            pel_scan_msg.notify_setting.drop  = u8_to_u16(p_ins->param[4], p_ins->param[5]);
+            pel_scan_msg.notify_setting.count = u8_to_u16(p_ins->param[6], p_ins->param[7]);
+            ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode) + sizeof(pel_scan_msg.notify_setting), pdMS_TO_TICKS(500)));
+            break;
+        }
+
+        case 0x02: {
+            // manual_scan_mode set resistor
+            // 30 00 01 02  00 01  00 07  00 0A  00 03 (pattern_index)
+            // 30 00 01 02  00 00  00 F0  00 0A  00 03 (resistor_mask)
+            pel_scan_msg.opcode                      = PEL_SET_RESISTOR;
+            pel_scan_msg.resistor_setting.is_pattern = u8_to_u16(p_ins->param[0], p_ins->param[1]) & 0x01;
+            pel_scan_msg.resistor_setting.value      = u8_to_u16(p_ins->param[2], p_ins->param[3]);
+            ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode) + sizeof(pel_scan_msg.resistor_setting), pdMS_TO_TICKS(500)));
+
+            pel_scan_msg.opcode               = PEL_NOTIFY;
+            pel_scan_msg.notify_setting.drop  = u8_to_u16(p_ins->param[4], p_ins->param[5]);
+            pel_scan_msg.notify_setting.count = u8_to_u16(p_ins->param[6], p_ins->param[7]);
+            ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode) + sizeof(pel_scan_msg.notify_setting), pdMS_TO_TICKS(500)));
+            break;
+        }
+
+        default:
+            break;
+    }
+}
+
+static void auto_scan_complete(void)
+{
+    xSemaphoreGive(auto_scan_cplt_sem);
+}
+
+static void wait_auto_scan_complete(void)
+{
+    xSemaphoreTake(auto_scan_cplt_sem, portMAX_DELAY);
+}
+
+static TaskHandle_t auto_scan_start_handle = NULL;
+
+static void auto_scan_start_task(void *p_arg)
+{
+    uint8_t ins_buf[256];
+
+    struct
+    {
+        uint32_t size;
+        uint8_t payload[];
+    } *p = (void *)p_arg;
+
+    memcpy(ins_buf, p->payload, MIN(p->size, sizeof(ins_buf)));
+
+    struct __PACKED
+    {
+        uint8_t id       : 4;
+        uint8_t ins_type : 4;
+        uint8_t pkg_size;
+        uint8_t mode;
+        uint8_t opcode;
+        uint8_t param[];
+    } *p_ins = (void *)&ins_buf[0];
+
+    pel_scan_msg_t pel_scan_msg;
+    scan_mode_notify_packet_t packet_buf = { 0 };
+
+    uint16_t pattern_max                             = u8_to_u16(p_ins->param[0], p_ins->param[1]);
+    uint16_t pattern_min                             = u8_to_u16(p_ins->param[2], p_ins->param[3]);
+    pel_scan_msg.notify_setting.the_last_record_flag = false;
+
+    send_start_package((void *)&packet_buf, sizeof(packet_buf));
+
+    for (uint16_t i = pattern_max; i >= pattern_min; i--)
+    {
+        pel_scan_msg.opcode                      = PEL_START;
+        pel_scan_msg.resistor_setting.is_pattern = true;
+        pel_scan_msg.resistor_setting.value      = i;
+        ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode) + sizeof(pel_scan_msg.resistor_setting), pdMS_TO_TICKS(500)));
+
+        pel_scan_msg.opcode                     = PEL_NOTIFY;
+        pel_scan_msg.notify_setting.drop        = u8_to_u16(p_ins->param[4], p_ins->param[5]);
+        pel_scan_msg.notify_setting.count       = u8_to_u16(p_ins->param[6], p_ins->param[7]);
+        pel_scan_msg.notify_setting.complete_cb = auto_scan_complete;
+        if (i == pattern_min)
+        {
+            pel_scan_msg.notify_setting.the_last_record_flag = true;
+        }
+        ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode) + sizeof(pel_scan_msg.notify_setting), pdMS_TO_TICKS(500)));
+
+        wait_auto_scan_complete();
+    }
+
+    pel_scan_msg.opcode = PEL_STOP;
+    ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode), pdMS_TO_TICKS(500)));
+
+    auto_scan_start_handle = NULL;
+
+    vTaskDelete(NULL);
+}
+
+static void auto_scan_mode(uint8_t *ins, uint16_t size)
+{
+    struct __PACKED
+    {
+        uint8_t id       : 4;
+        uint8_t ins_type : 4;
+        uint8_t pkg_size;
+        uint8_t mode;
+        uint8_t opcode;
+        uint8_t param[];
+    } *p_ins = (void *)ins;
+
+    global_memoryboard_id = p_ins->id;
+
+    pel_scan_msg_t pel_scan_msg;
+
+    switch (p_ins->opcode)
+    {
+        case 0x00: {
+            // auto_scan_mode stop
+            // 30 00 02 00
+            taskENTER_CRITICAL();
+            if (auto_scan_start_handle)
+            {
+                ASSERT(xMessageBufferReset(pel_scan_msqQ));
+
+                pel_scan_msg.opcode = PEL_STOP;
+                ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode), 0));
+
+                vTaskDelete(auto_scan_start_handle);
+                auto_scan_start_handle = NULL;
+            }
+            taskEXIT_CRITICAL();
+            break;
+        }
+
+        case 0x01: {
+            // auto_scan_mode start
+            // 30 00 02 01  00 1C  00 01  00 0A  00 05
+            if (auto_scan_start_handle == NULL)
+            {
+                struct
+                {
+                    uint32_t size;
+                    uint8_t payload[256];
+                } param;
+
+                param.size = MIN(size, sizeof(param.payload)),
+                memcpy(param.payload, ins, param.size);
+                ASSERT(xTaskCreate(auto_scan_start_task, "auto_start", 256, &param, 4, &auto_scan_start_handle));
+                // using a 100ms delay to ensure the parameter is copied to  to auto_scan_start_task()
+                vTaskDelay(pdMS_TO_TICKS(100));
+            }
+            break;
+        }
+
+        default:
+            break;
+    }
+}
+
+static void R_external_calibration_mode(uint8_t *ins, uint16_t size)
+{
+#define R1  PEL_0P5R_MASK
+#define R2  PEL_1P0R_MASK
+#define R3  PEL_2P0R_MASK
+#define R4  PEL_4P0R_MASK
+#define R5  PEL_8P0R_MASK
+#define R6  PEL_16P2R_MASK
+#define R7  PEL_32P4R_MASK
+#define R8  PEL_63P4R_MASK
+#define R9  PEL_127R_MASK
+#define R10 PEL_255R_MASK
+#define R11 PEL_511R_MASK
+#define R12 PEL_1000R_MASK
+
+    struct __PACKED
+    {
+        uint8_t id       : 4;
+        uint8_t ins_type : 4;
+        uint8_t pkg_size;
+        uint8_t mode;
+        uint8_t opcode;
+        uint8_t param[];
+    } *p_ins = (void *)ins;
+
+    uint32_t calibration_bits_pattern_tab[] = {
+        R1,
+        R2,
+        R1 | R2,
+        R3,
+        R2 | R3,
+        R4,
+        R3 | R4,
+        R5,
+        R4 | R5,
+        R6,
+        R5 | R6,
+        R7,
+        R6 | R7,
+        R8,
+        R7 | R8,
+    };
+
+    global_memoryboard_id = p_ins->id;
+
+    static pel_scan_msg_t pel_scan_msg;
+    scan_mode_notify_packet_t packet_buf = { 0 };
+
+    switch (p_ins->opcode)
+    {
+        case 0x00: {
+            // R_external_calibration_mode stop
+            // 30 00 03 00
+            break;
+        }
+
+        case 0x01: {
+            // R_external_calibration_mode start with drop n * 10ms
+            // 30 00 03 01  00 0A  00 05
+            pel_scan_msg.notify_setting.the_last_record_flag = false;
+
+            send_start_package((void *)&packet_buf, sizeof(packet_buf));
+
+            for (uint16_t i = 0; i < COUNTOF(calibration_bits_pattern_tab); i++)
+            {
+                pel_scan_msg.opcode                      = PEL_START;
+                pel_scan_msg.resistor_setting.is_pattern = false;
+                pel_scan_msg.resistor_setting.value      = calibration_bits_pattern_tab[i];
+                ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode) + sizeof(pel_scan_msg.resistor_setting), pdMS_TO_TICKS(500)));
+
+                pel_scan_msg.opcode                     = PEL_NOTIFY;
+                pel_scan_msg.notify_setting.drop        = u8_to_u16(p_ins->param[0], p_ins->param[1]);
+                pel_scan_msg.notify_setting.count       = u8_to_u16(p_ins->param[2], p_ins->param[3]);
+                pel_scan_msg.notify_setting.complete_cb = auto_scan_complete;
+                if (i == COUNTOF(calibration_bits_pattern_tab) - 1)
+                {
+                    pel_scan_msg.notify_setting.the_last_record_flag = true;
+                }
+                ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode) + sizeof(pel_scan_msg.notify_setting), pdMS_TO_TICKS(500)));
+
+                wait_auto_scan_complete();
+            }
+
+            pel_scan_msg.opcode = PEL_STOP;
+            ASSERT(xMessageBufferSend(pel_scan_msqQ, &pel_scan_msg, sizeof(pel_scan_msg.opcode), pdMS_TO_TICKS(500)));
+            break;
+        }
+
+        default:
+            break;
+    }
+}
+
+#define MANUAL_SCAN_MODE            0x01
+#define AUTO_SCAN_MODE              0x02
+#define R_EXTERNAL_CALIBRATION_MODE 0x03
+
+const elite_instance_t pel_elite_instance = {
+    .cis_func = {
+                 [CIS_VERSION] = cis_version,
+                 },
+    .vis_func = {
+                 [VIS_RST] = vis_rst,
+                 },
+    .ris_func = {
+                 [MANUAL_SCAN_MODE]            = manual_scan_mode,
+                 [AUTO_SCAN_MODE]              = auto_scan_mode,
+                 [R_EXTERNAL_CALIBRATION_MODE] = R_external_calibration_mode,
+                 [DEV_MODE]                    = dev_mode,
+                 }
+};
+
+const elite_instance_t *pel_init(void)
+{
+    NRF_LOG_INFO("[Board] FW ver: %02d%02d%02d %02d:%02d", VERSION_DATE_YEAR, VERSION_DATE_MONTH, VERSION_DATE_DAY, VERSION_DATE_HOUR, VERSION_DATE_MINUTE);
+    NRF_LOG_INFO("[Board] %s", BOARD_IOPx ? "IOPH" : "IOPL");
+
+    auto_scan_cplt_sem = xSemaphoreCreateBinary();
+    ASSERT(auto_scan_cplt_sem);
+
+    adc_convt_cplt_sem = xSemaphoreCreateBinary();
+    ASSERT(adc_convt_cplt_sem);
+
+    pel_scan_msqQ = xMessageBufferCreate(1024);
+    ASSERT(pel_scan_msqQ);
+
+    ASSERT(xTaskCreate(pel_scan_mode_task, "pel_scan_mode", 512, NULL, 4, NULL));
+
+    return &pel_elite_instance;
+}
+
+#endif

pel.h

@@ -0,0 +1,59 @@
+#ifndef __PEL_H__
+#define __PEL_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "elite.h"
+#include "elite_board.h"
+
+#define VERSION_DATE_YEAR   25
+#define VERSION_DATE_MONTH  3
+#define VERSION_DATE_DAY    31
+#define VERSION_DATE_HOUR   10
+#define VERSION_DATE_MINUTE 45
+
+#define PEL_0P5R_MASK       (0x01 << 0)
+#define PEL_1P0R_MASK       (0x01 << 1)
+#define PEL_2P0R_MASK       (0x01 << 2)
+#define PEL_4P0R_MASK       (0x01 << 3)
+#define PEL_8P0R_MASK       (0x01 << 4)
+#define PEL_16P2R_MASK      (0x01 << 5)
+#define PEL_32P4R_MASK      (0x01 << 6)
+#define PEL_63P4R_MASK      (0x01 << 7)
+#define PEL_127R_MASK       (0x01 << 8)
+#define PEL_255R_MASK       (0x01 << 9)
+#define PEL_511R_MASK       (0x01 << 10)
+#define PEL_1000R_MASK      (0x01 << 11)
+
+    typedef struct __PACKED
+    {
+        uint16_t mem_board_id : 8;
+        uint16_t packet_seq   : 8;
+        uint32_t notify_time;
+        int32_t output_vo_raw;
+        int32_t output_vc_raw;
+        int32_t output_ve_raw;
+        float hold_OUT_v;
+        float hold_VCC_v;
+        float hold_VEE_v;
+        uint16_t resis_pattern_id;
+        uint16_t resis_bitsmask;
+        float resis_g_value;
+        uint32_t mode_complete : 4;
+        uint32_t rsvd          : 28;
+        uint32_t val_1;
+        uint32_t val_2;
+        uint16_t val_3;
+    } scan_mode_notify_packet_t;
+
+    const elite_instance_t *pel_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __PEL_H__ */

pel20_io.c

@@ -0,0 +1,423 @@
+#include "elite_board.h"
+
+#include "nrf_gpio.h"
+#include "nrf_gpiote.h"
+
+#include "nrf_spim.h"
+#include "nrf_timer.h"
+
+#include "FreeRTOS.h"
+#include "semphr.h"
+#include "task.h"
+
+#include "SEGGER_RTT.h"
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+
+pel_hw_t pel_hw = {
+    .pulse_tmr    = NRF_TIMER3,
+    .pulse_irq_n  = TIMER3_IRQn,
+    .pulse_cnt    = 0,
+    .adc.channels = {
+                     [OUTPUT_R1_IDX] = OUTPUT_R1_CHANNEL,
+                     [OUTPUT_R2_IDX] = OUTPUT_R2_CHANNEL,
+                     [OUTPUT_VO_IDX] = OUTPUT_VO_CHANNEL,
+                     [OUTPUT_VC_IDX] = OUTPUT_VC_CHANNEL,
+                     [OUTPUT_VE_IDX] = OUTPUT_VE_CHANNEL},
+    .adc.gain        = NRF_SAADC_GAIN1_6,
+    .adc.smaple_time = NRF_SAADC_ACQTIME_3US
+};
+
+void spim_xfer(uint32_t cs_pin,
+               nrf_spim_mode_t spi_mode,
+               uint8_t *p_tx_buffer,
+               uint16_t tx_buffer_length,
+               uint8_t *p_rx_buf,
+               uint16_t rx_buffer_length)
+{
+    __disable_irq();
+
+    NRF_SPIM3->ENABLE = SPIM_ENABLE_ENABLE_Disabled << SPIM_ENABLE_ENABLE_Pos;
+
+    switch (spi_mode)
+    {
+        default:
+        case NRF_SPIM_MODE_0:
+            NRF_SPIM3->CONFIG = (SPIM_CONFIG_ORDER_MsbFirst << SPIM_CONFIG_ORDER_Pos) |
+                                (SPIM_CONFIG_CPOL_ActiveHigh << SPIM_CONFIG_CPOL_Pos) |
+                                (SPIM_CONFIG_CPHA_Leading << SPIM_CONFIG_CPHA_Pos);
+            break;
+
+        case NRF_SPIM_MODE_1:
+            NRF_SPIM3->CONFIG = (SPIM_CONFIG_ORDER_MsbFirst << SPIM_CONFIG_ORDER_Pos) |
+                                (SPIM_CONFIG_CPOL_ActiveHigh << SPIM_CONFIG_CPOL_Pos) |
+                                (SPIM_CONFIG_CPHA_Trailing << SPIM_CONFIG_CPHA_Pos);
+            break;
+
+        case NRF_SPIM_MODE_2:
+            NRF_SPIM3->CONFIG = (SPIM_CONFIG_ORDER_MsbFirst << SPIM_CONFIG_ORDER_Pos) |
+                                (SPIM_CONFIG_CPOL_ActiveLow << SPIM_CONFIG_CPOL_Pos) |
+                                (SPIM_CONFIG_CPHA_Leading << SPIM_CONFIG_CPHA_Pos);
+            break;
+
+        case NRF_SPIM_MODE_3:
+            NRF_SPIM3->CONFIG = (SPIM_CONFIG_ORDER_MsbFirst << SPIM_CONFIG_ORDER_Pos) |
+                                (SPIM_CONFIG_CPOL_ActiveLow << SPIM_CONFIG_CPOL_Pos) |
+                                (SPIM_CONFIG_CPHA_Trailing << SPIM_CONFIG_CPHA_Pos);
+            break;
+    }
+
+    NRF_SPIM3->ENABLE = SPIM_ENABLE_ENABLE_Enabled << SPIM_ENABLE_ENABLE_Pos;
+
+    NRF_SPIM3->TXD.MAXCNT = tx_buffer_length;
+    NRF_SPIM3->TXD.PTR    = (uint32_t)p_tx_buffer;
+
+    NRF_SPIM3->RXD.MAXCNT = rx_buffer_length;
+    NRF_SPIM3->RXD.PTR    = (uint32_t)p_rx_buf;
+
+    nrf_gpio_pin_clear(cs_pin);
+
+    NRF_SPIM3->EVENTS_END  = 0;
+    NRF_SPIM3->TASKS_START = 1;
+    do {
+    } while (NRF_SPIM3->EVENTS_END == 0);
+
+    nrf_gpio_pin_set(cs_pin);
+
+    __enable_irq();
+}
+
+#define MIN_PULSE_WIDTH 2
+#define MIN_PULSE_IDLE  2
+#define MAX_PULSE_WIDTH INT16_MAX
+#define MAX_PULSE_IDLE  INT16_MAX
+
+void set_anode_cathode_to_default(void)
+{
+    if (BOARD_IOPx == BOARD_IOPL)
+    {
+        nrf_gpio_pin_set(ANODE_PIN);
+        nrf_gpio_pin_clear(CATHODE_PIN);
+        nrf_gpio_pin_clear(SAMPLE_R_PIN);
+        nrf_gpio_pin_clear(SAMPLE_V_PIN);
+        nrf_gpio_pin_clear(TP1_PIN);
+        nrf_gpio_pin_clear(TP2_PIN);
+        nrf_gpio_pin_clear(RELAY1_PIN);
+    }
+    else if (BOARD_IOPx == BOARD_IOPH)
+    {
+        nrf_gpio_pin_clear(ANODE_PIN);
+        nrf_gpio_pin_set(CATHODE_PIN);
+        nrf_gpio_pin_clear(SAMPLE_R_PIN);
+        nrf_gpio_pin_clear(SAMPLE_V_PIN);
+        nrf_gpio_pin_clear(TP1_PIN);
+        nrf_gpio_pin_clear(TP2_PIN);
+        nrf_gpio_pin_clear(RELAY1_PIN);
+    }
+}
+
+static void pel_saadc_init(pel_adc_t *p_adc)
+{
+    /* stop ssadc */
+    NRF_SAADC->EVENTS_STOPPED = 0;
+    NRF_SAADC->TASKS_STOP     = 1;
+    do {
+    } while (NRF_SAADC->EVENTS_STOPPED == 0);
+
+    /* disable ssadc */
+    NRF_SAADC->ENABLE = 0;
+
+    /*
+        ref: p.381, nrf52840_PS_v1.1.pdf
+        Note: Oversampling should only be used when a single input channel is enabled, as averaging is
+        performed over all enabled channels.
+    */
+    NRF_SAADC->OVERSAMPLE = SAADC_OVERSAMPLE_OVERSAMPLE_Bypass;
+    NRF_SAADC->RESOLUTION = SAADC_RESOLUTION_VAL_14bit;
+    /* config analog inputs */
+    for (uint32_t i = 0; i < COUNTOF(NRF_SAADC->CH); i++)
+    {
+        if (i < COUNTOF(p_adc->channels))
+        {
+            NRF_SAADC->CH[i].PSELP = NRF_SAADC_INPUT_AIN0 + p_adc->channels[i];
+            NRF_SAADC->CH[i].PSELN = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].CONFIG =
+                (NRF_SAADC_RESISTOR_DISABLED << SAADC_CH_CONFIG_RESP_Pos) |
+                (NRF_SAADC_RESISTOR_DISABLED << SAADC_CH_CONFIG_RESN_Pos) |
+                (p_adc->gain << SAADC_CH_CONFIG_GAIN_Pos) |
+                (NRF_SAADC_REFERENCE_INTERNAL << SAADC_CH_CONFIG_REFSEL_Pos) |
+                (p_adc->smaple_time << SAADC_CH_CONFIG_TACQ_Pos) |
+                (NRF_SAADC_MODE_SINGLE_ENDED << SAADC_CH_CONFIG_MODE_Pos) |
+                (NRF_SAADC_BURST_DISABLED << SAADC_CH_CONFIG_BURST_Pos);
+        }
+        else
+        {
+            NRF_SAADC->CH[i].PSELP  = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].PSELN  = NRF_SAADC_INPUT_DISABLED;
+            NRF_SAADC->CH[i].CONFIG = 0;
+        }
+    }
+    /* enable ssadc */
+    NRF_SAADC->INTENSET      = NRF_SAADC_INT_STARTED | NRF_SAADC_INT_END;
+    NRF_SAADC->ENABLE        = 1;
+    NRF_SAADC->RESULT.PTR    = (uint32_t)p_adc->results;
+    NRF_SAADC->RESULT.MAXCNT = COUNTOF(p_adc->results);
+}
+
+void TIMER3_IRQHandler(void)
+{
+    if (pel_hw.pulse_tmr->EVENTS_COMPARE[0])
+    {
+        pel_hw.pulse_tmr->EVENTS_COMPARE[0] = 0;
+
+        pel_hw.pulse_is_running = 1;
+
+        if (pel_hw.pulse_cnt)
+        {
+            pel_hw.pulse_cnt--;
+        }
+    }
+}
+
+void SAADC_IRQHandler(void)
+{
+    if (NRF_SAADC->EVENTS_STARTED)
+    {
+        NRF_SAADC->EVENTS_STARTED = 0;
+        if (pel_hw.pulse_cnt == 0)
+        {
+            pel_hw.pulse_tmr->TASKS_STOP = 1;
+        }
+        return;
+    }
+
+    if (NRF_SAADC->EVENTS_END)
+    {
+        NRF_SAADC->EVENTS_END    = 0;
+        NRF_SAADC->RESULT.PTR    = (uint32_t)pel_hw.adc.results;
+        NRF_SAADC->RESULT.MAXCNT = COUNTOF(pel_hw.adc.results);
+        pel_hw.pulse_is_running  = 0;
+        if (pel_hw.adc.convt_new_arrival_cb)
+        {
+            pel_hw.adc.convt_new_arrival_cb();
+        }
+    }
+}
+
+void pel_pulse_gen_init(pel_config_t cfg)
+{
+    pel_hw.pulse_tmr->TASKS_STOP = 1;
+
+    sd_nvic_DisableIRQ(pel_hw.pulse_irq_n);
+    sd_nvic_ClearPendingIRQ(pel_hw.pulse_irq_n);
+
+    sd_nvic_DisableIRQ(SAADC_IRQn);
+    sd_nvic_ClearPendingIRQ(SAADC_IRQn);
+
+    pel_hw.pulse_cnt                = cfg.pulse_cnt;
+    pel_hw.adc.gain                 = cfg.gain;
+    pel_hw.adc.smaple_time          = cfg.smaple_time;
+    pel_hw.adc.convt_new_arrival_cb = cfg.convt_new_arrival_cb;
+
+    pel_saadc_init(&pel_hw.adc);
+
+    // disable gpio task
+    for (int i = 0; i < 5; i++)
+    {
+        nrf_gpiote_task_disable(i);
+    }
+
+    set_anode_cathode_to_default();
+
+    // config gpiote task
+    switch (cfg.mode)
+    {
+        default:
+        case 1:
+            nrf_gpiote_task_configure(0, cfg.anode_pin, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+            nrf_gpiote_task_configure(1, cfg.cathode_pin, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_HIGH);
+            break;
+        case 0:
+            nrf_gpiote_task_configure(0, cfg.anode_pin, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_HIGH);
+            nrf_gpiote_task_configure(1, cfg.cathode_pin, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+            break;
+    }
+
+    nrf_gpiote_task_configure(2, cfg.smaple_r_pin, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+    nrf_gpiote_task_configure(3, cfg.sample_v_pin, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+
+    if (cfg.test_pin != 0xFFFFFFFF)
+    {
+        nrf_gpiote_task_configure(4, cfg.test_pin, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_LOW);
+    }
+
+    // enable gpio task
+    for (int i = 0; i < 5; i++)
+    {
+        nrf_gpiote_task_enable(i);
+    }
+
+    NRF_PPI->CH[0].EEP   = (uint32_t)&pel_hw.pulse_tmr->EVENTS_COMPARE[0];
+    NRF_PPI->CH[0].TEP   = (uint32_t)&NRF_GPIOTE->TASKS_OUT[0];
+    NRF_PPI->FORK[0].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[1];
+    NRF_PPI->CHENSET     = (1 << (0));
+
+    NRF_PPI->CH[1].EEP   = (uint32_t)&pel_hw.pulse_tmr->EVENTS_COMPARE[1];
+    NRF_PPI->CH[1].TEP   = (uint32_t)&NRF_GPIOTE->TASKS_OUT[2];
+    NRF_PPI->FORK[1].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[3];
+    NRF_PPI->CHENSET     = (1 << (1));
+
+    NRF_PPI->CH[2].EEP   = (uint32_t)&pel_hw.pulse_tmr->EVENTS_COMPARE[2];
+    NRF_PPI->CH[2].TEP   = (uint32_t)&NRF_GPIOTE->TASKS_OUT[2];
+    NRF_PPI->FORK[2].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[3];
+    NRF_PPI->CHENSET     = (1 << (2));
+
+    NRF_PPI->CH[3].EEP   = (uint32_t)&pel_hw.pulse_tmr->EVENTS_COMPARE[3];
+    NRF_PPI->CH[3].TEP   = (uint32_t)&NRF_GPIOTE->TASKS_OUT[0];
+    NRF_PPI->FORK[3].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[1];
+    NRF_PPI->CHENSET     = (1 << (3));
+
+    NRF_PPI->CH[4].EEP = (uint32_t)&pel_hw.pulse_tmr->EVENTS_COMPARE[4];
+    NRF_PPI->CH[4].TEP = (uint32_t)&NRF_SAADC->TASKS_START;
+    NRF_PPI->CHENSET   = (1 << (4));
+
+    if (cfg.test_pin != 0xFFFFFFFF)
+    {
+        NRF_PPI->CH[6].EEP   = (uint32_t)&NRF_SAADC->EVENTS_STARTED;
+        NRF_PPI->CH[6].TEP   = (uint32_t)&NRF_SAADC->TASKS_SAMPLE;
+        NRF_PPI->FORK[6].TEP = (uint32_t)&NRF_GPIOTE->TASKS_OUT[4];
+        NRF_PPI->CHENSET     = (1 << (6));
+        NRF_PPI->CH[7].EEP   = (uint32_t)&NRF_SAADC->EVENTS_END;
+        NRF_PPI->CH[7].TEP   = (uint32_t)&NRF_GPIOTE->TASKS_OUT[4];
+        NRF_PPI->CHENSET     = (1 << (7));
+    }
+
+    pel_hw.pulse_tmr->PRESCALER = NRF_TIMER_FREQ_16MHz;
+    pel_hw.pulse_tmr->MODE      = NRF_TIMER_MODE_TIMER;
+    pel_hw.pulse_tmr->BITMODE   = NRF_TIMER_BIT_WIDTH_32;
+    pel_hw.pulse_tmr->CC[0]     = cfg.point_us[0] * 16;
+    pel_hw.pulse_tmr->CC[1]     = pel_hw.pulse_tmr->CC[0] + cfg.point_us[1] * 16;
+    pel_hw.pulse_tmr->CC[2]     = pel_hw.pulse_tmr->CC[1] + cfg.point_us[2] * 16;
+    pel_hw.pulse_tmr->CC[3]     = pel_hw.pulse_tmr->CC[2] + cfg.point_us[3] * 16;
+    pel_hw.pulse_tmr->CC[4]     = pel_hw.pulse_tmr->CC[3] + cfg.point_us[4] * 16 + cfg.adc_timing_shift;
+    pel_hw.pulse_tmr->CC[5]     = pel_hw.pulse_tmr->CC[4];
+    pel_hw.pulse_tmr->SHORTS    = NRF_TIMER_SHORT_COMPARE5_CLEAR_MASK;
+    pel_hw.pulse_tmr->INTENSET  = NRF_TIMER_INT_COMPARE0_MASK;
+
+    sd_nvic_SetPriority(SAADC_IRQn, _PRIO_APP_HIGH);
+    sd_nvic_EnableIRQ(SAADC_IRQn);
+
+    sd_nvic_SetPriority(pel_hw.pulse_irq_n, _PRIO_APP_HIGH);
+    sd_nvic_EnableIRQ(pel_hw.pulse_irq_n);
+}
+
+void pel_pulse_gen_start(void)
+{
+    pel_hw.pulse_tmr->TASKS_START = 1;
+}
+
+void pel_pulse_gen_stop(void)
+{
+    pel_hw.pulse_cnt = 0;
+    do {
+    } while (pel_hw.pulse_is_running == 1);
+    pel_hw.adc.convt_new_arrival_cb = NULL;
+}
+
+#if (DEF_ELITE_DEMO_W_SOFTDEVICE == 1) || (DEF_ELITE_DEMO_WO_SOFTDEVICE == 1)
+static void pel_pulse_gen_demo_task(void *p_arg)
+{
+    pel_config_t pel_cfg = {
+        .anode_pin    = ANODE_PIN,
+        .cathode_pin  = CATHODE_PIN,
+        .smaple_r_pin = SAMPLE_R_PIN,
+        .sample_v_pin = SAMPLE_V_PIN,
+        .test_pin     = TP1_PIN,
+        .mode         = BOARD_IOPx,
+        .point_us     = {
+                         10000,
+                         3,
+                         5,
+                         2,
+                         0,
+                         },
+        .pulse_cnt        = 0xFFFFFFFF,
+        .gain             = NRF_SAADC_GAIN1_6,
+        .smaple_time      = NRF_SAADC_ACQTIME_10US,
+        .adc_timing_shift = 0,
+    };
+
+    pel_pulse_gen_init(pel_cfg);
+
+    pel_pulse_gen_start();
+
+    for (;;)
+    {
+        static uint32_t i = 0;
+        vTaskDelay(pdMS_TO_TICKS(pel_cfg.point_us[0] / 1000));
+        SEGGER_RTT_printf(0, "%d, %d, %d, %d, %d, %d\r\n", i++, pel_hw.adc.results[0], pel_hw.adc.results[1], pel_hw.adc.results[2], pel_hw.adc.results[3], pel_hw.adc.results[4]);
+    }
+}
+
+void pel_pulse_gen_demo(void)
+{
+}
+#endif
+
+void pel20_io_init(void)
+{
+    const uint32_t pel_pins_default_high[] = {
+        INPUT_1_PIN,
+        INPUT_2_PIN,
+        INPUT_3_PIN,
+        INPUT_4_PIN,
+        INPUT_5_PIN,
+        INPUT_6_PIN,
+        INPUT_7_PIN,
+        INPUT_8_PIN,
+        INPUT_9_PIN,
+        INPUT_10_PIN,
+        INPUT_11_PIN,
+        INPUT_12_PIN
+    };
+
+    for (int i = 0; i < COUNTOF(pel_pins_default_high); i++)
+    {
+        nrf_gpio_pin_set(pel_pins_default_high[i]);
+        nrf_gpio_cfg_output(pel_pins_default_high[i]);
+    }
+
+    set_anode_cathode_to_default();
+    nrf_gpio_cfg_output(ANODE_PIN);
+    nrf_gpio_cfg_output(CATHODE_PIN);
+    nrf_gpio_cfg_output(SAMPLE_R_PIN);
+    nrf_gpio_cfg_output(SAMPLE_V_PIN);
+    nrf_gpio_cfg_output(TP1_PIN);
+    nrf_gpio_cfg_output(TP2_PIN);
+    nrf_gpio_cfg_output(RELAY1_PIN);
+
+    // Config spi module
+
+    nrf_gpio_pin_set(WP_MEM_PIN);
+    nrf_gpio_cfg_output(WP_MEM_PIN);
+    nrf_gpio_pin_set(CS_MEM_PIN);
+    nrf_gpio_cfg_output(CS_MEM_PIN);
+    nrf_gpio_pin_clear(SPIM_MOSI_PIN);
+    nrf_gpio_cfg_output(SPIM_MOSI_PIN);
+    nrf_gpio_pin_clear(SPIM_CLK_PIN);
+    nrf_gpio_cfg_output(SPIM_CLK_PIN);
+    nrf_gpio_cfg_input(SPIM_MISO_PIN, NRF_GPIO_PIN_NOPULL);
+
+    NRF_SPIM3->ENABLE          = SPIM_ENABLE_ENABLE_Disabled << SPIM_ENABLE_ENABLE_Pos;
+    NRF_SPIM3->ORC             = 0x00000000;
+    NRF_SPIM3->FREQUENCY       = SPIM_FREQUENCY_FREQUENCY_M32;
+    NRF_SPIM3->CSNPOL          = SPIM_CSNPOL_CSNPOL_LOW;
+    NRF_SPIM3->IFTIMING.CSNDUR = 8;
+    NRF_SPIM3->PSEL.CSN        = CS_MEM_PIN;
+    NRF_SPIM3->PSEL.SCK        = SPIM_CLK_PIN;
+    NRF_SPIM3->PSEL.MOSI       = SPIM_MOSI_PIN;
+    NRF_SPIM3->PSEL.MISO       = SPIM_MISO_PIN;
+    NRF_SPIM3->ENABLE          = SPIM_ENABLE_ENABLE_Enabled << SPIM_ENABLE_ENABLE_Pos;
+}
+
+#endif

pel20_io.h

@@ -0,0 +1,121 @@
+#ifndef __PEL20_IO_H__
+#define __PEL20_IO_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "elite_board.h"
+#include "nrf_gpio.h"
+#include "nrf_saadc.h"
+#include "nrf_spim.h"
+
+#if (DEF_ELITE_MODEL == DEF_ELITE_PEL_V2_0)
+
+#define RELAY1_PIN        NRF_GPIO_PIN_MAP(1, 10)
+#define RELAY2_PIN        NRF_GPIO_PIN_MAP(1, 15)
+
+#define TP1_PIN           NRF_GPIO_PIN_MAP(0, 5)
+#define TP2_PIN           NRF_GPIO_PIN_MAP(0, 26)
+
+#define SAMPLE_R_PIN      NRF_GPIO_PIN_MAP(1, 11)
+#define SAMPLE_V_PIN      NRF_GPIO_PIN_MAP(1, 6)
+
+#define CATHODE_PIN       NRF_GPIO_PIN_MAP(0, 8)
+#define ANODE_PIN         NRF_GPIO_PIN_MAP(0, 7)
+
+#define OUTPUT_R1_PIN     NRF_GPIO_PIN_MAP(0, 31)
+#define OUTPUT_R2_PIN     NRF_GPIO_PIN_MAP(0, 28)
+#define OUTPUT_VO_PIN     NRF_GPIO_PIN_MAP(0, 29)
+#define OUTPUT_VC_PIN     NRF_GPIO_PIN_MAP(0, 2)
+#define OUTPUT_VE_PIN     NRF_GPIO_PIN_MAP(0, 3)
+
+#define OUTPUT_R1_CHANNEL 7
+#define OUTPUT_R2_CHANNEL 4
+#define OUTPUT_VO_CHANNEL 5
+#define OUTPUT_VC_CHANNEL 0
+#define OUTPUT_VE_CHANNEL 1
+
+#define OUTPUT_R1_IDX     0
+#define OUTPUT_R2_IDX     1
+#define OUTPUT_VO_IDX     2
+#define OUTPUT_VC_IDX     3
+#define OUTPUT_VE_IDX     4
+
+#define INPUT_1_PIN       NRF_GPIO_PIN_MAP(0, 15)
+#define INPUT_2_PIN       NRF_GPIO_PIN_MAP(0, 13)
+#define INPUT_3_PIN       NRF_GPIO_PIN_MAP(0, 20)
+#define INPUT_4_PIN       NRF_GPIO_PIN_MAP(1, 0)
+#define INPUT_5_PIN       NRF_GPIO_PIN_MAP(0, 25)
+#define INPUT_6_PIN       NRF_GPIO_PIN_MAP(0, 11)
+#define INPUT_7_PIN       NRF_GPIO_PIN_MAP(0, 14)
+#define INPUT_8_PIN       NRF_GPIO_PIN_MAP(0, 17)
+#define INPUT_9_PIN       NRF_GPIO_PIN_MAP(0, 18)
+#define INPUT_10_PIN      NRF_GPIO_PIN_MAP(0, 21)
+#define INPUT_11_PIN      NRF_GPIO_PIN_MAP(0, 19)
+#define INPUT_12_PIN      NRF_GPIO_PIN_MAP(0, 22)
+
+#define WP_MEM_PIN        NRF_GPIO_PIN_MAP(0, 12)
+#define CS_MEM_PIN        NRF_GPIO_PIN_MAP(0, 6)
+#define SPIM_MOSI_PIN     NRF_GPIO_PIN_MAP(0, 27)
+#define SPIM_CLK_PIN      NRF_GPIO_PIN_MAP(0, 4)
+#define SPIM_MISO_PIN     NRF_GPIO_PIN_MAP(1, 9)
+
+    typedef struct
+    {
+        uint32_t anode_pin;
+        uint32_t cathode_pin;
+        uint32_t smaple_r_pin;
+        uint32_t sample_v_pin;
+        uint32_t test_pin;
+        uint32_t point_us[5]; // toggle point timestamp
+        uint32_t pulse_cnt;   // min: 1, max: 0xFFFFFFFF
+        uint32_t mode;        // 0: IOPL mode, 1: IOPH mode
+        nrf_saadc_gain_t gain;
+        nrf_saadc_acqtime_t smaple_time;
+        int32_t adc_timing_shift;
+        void (*convt_new_arrival_cb)(void);
+    } pel_config_t;
+
+    typedef struct
+    {
+        nrf_saadc_gain_t gain;
+        nrf_saadc_acqtime_t smaple_time;
+        uint32_t channels[5];
+        int16_t results[5];
+        float results_f[5];
+        void (*convt_new_arrival_cb)(void);
+    } pel_adc_t;
+
+    typedef struct
+    {
+        NRF_TIMER_Type *pulse_tmr;
+        uint32_t pulse_irq_n;
+        uint32_t pulse_cnt;
+        uint32_t pulse_is_running;
+        pel_adc_t adc;
+    } pel_hw_t;
+
+    extern pel_hw_t pel_hw;
+
+    void spim_xfer(uint32_t cs_pin,
+                   nrf_spim_mode_t spi_mode,
+                   uint8_t *p_tx_buffer,
+                   uint16_t tx_buffer_length,
+                   uint8_t *p_rx_buf,
+                   uint16_t rx_buffer_length);
+
+    void pel20_io_init(void);
+    void pel_pulse_gen_init(pel_config_t cfg);
+    void pel_pulse_gen_start(void);
+    void pel_pulse_gen_stop(void);
+
+#endif /* ! DEF_ELITE_MODEL */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __PEL20_IO_H__ */

private.pem

@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIEM6TVi/ofxCYEb2O9OYK4sNHlpwd0ZrW3yFOIeRJKqKoAoGCCqGSM49
+AwEHoUQDQgAEYUIRVGOQwmOEfsuYSufu4hHxRsQSUzh9lMBkvc3ewrPkpbfiXfa/
+vGyIM8HAY2Jemux9+FyFERXRjgj5RxOJAA==
+-----END EC PRIVATE KEY-----

scripts/regular_data_notify_demo.py

@@ -0,0 +1,73 @@
+import asyncio
+import os
+import sys
+import time
+from io import BytesIO
+from bleak import BleakClient
+from bleak import _logger as logger
+from bleak.uuids import uuid16_dict
+
+os.chdir(os.path.dirname(os.path.realpath(__file__)))
+ 
+REGULAR_UUID = "D89B0002-95C5-6F8D-1D44-8B1245563C4D"
+
+target = 'raw1.bin'
+f = open(target, 'wb')
+f.truncate()
+
+global IsFirstPacket
+global TimeStart
+global TimeStop
+global TotalBytes
+
+IsFirstPacket = True
+TotalBytes = 0
+
+def notification_handler(sender, data):        
+    global IsFirstPacket
+    global TimeStart
+    global TimeStop     
+    global TotalBytes
+    if IsFirstPacket :
+        TimeStart = time.time()
+        TimeStop = time.time()
+        IsFirstPacket = False    
+    else :
+        TimeStop = time.time()
+    TotalBytes += len(data)
+    f.write(data)
+    if (TimeStop-TimeStart) > 0:
+        print("Throughput: {0} kbps ({1})".format(round((TotalBytes * 8 / 1024)/(TimeStop-TimeStart), 2),len(data)))
+
+async def ble_notify_demo(mac_addr: str):
+    print("Connect to {0}".format(mac_addr))      
+    client = BleakClient(mac_addr)
+    await client.connect()
+    IsConnected = await client.is_connected()
+    if IsConnected == False :
+        print("Connect fail.")  
+        return False
+    print("Connect success.")  
+    print("Wait 2 sec for PHY update procedure.")  
+    await asyncio.sleep(2.0)
+
+    await client.start_notify(REGULAR_UUID, notification_handler)
+
+    # delay 10 sec
+    await asyncio.sleep(15) 
+    
+    await client.stop_notify(REGULAR_UUID)
+
+    await client.disconnect()
+
+    return True
+
+mac_addr = "DF:4C:23:1C:F5:59"
+mac_addr = "EB:E6:E0:52:26:ED"  
+mac_addr = "D8:96:4A:0B:14:4A"  
+mac_addr = "DC:05:1F:1F:71:DA"
+if asyncio.run(ble_notify_demo(mac_addr)) == True :
+    print("Recv total: {0} bytes".format(TotalBytes))
+    f.close()
+    # 資料讀取 n秒會自動存檔，並用 hex editor 開啟
+    os.system('010Editor.exe ' + target) # open file with hex editor 

sw_drv.c

@@ -0,0 +1,67 @@
+#include "sw_drv.h"
+
+#if (DEF_ADGS1412_ENABLED)
+
+#include "adgs1412.h"
+const sw_drv_if_t *p_inst = &adgs1412;
+
+#elif (DEF_MAX14802_ENABLED)
+
+#include "max14802.h"
+const sw_drv_if_t *p_inst = &max14802;
+
+#else
+
+const sw_drv_if_t *p_inst = NULL;
+
+#endif /* ! DEF_ADGS1412_ENABLED */
+
+#if (DEF_SW_DRV_ENABLED)
+
+int sw_init(void)
+{
+    if (p_inst == NULL)
+    {
+        return SW_DRV_ERROR;
+    }
+    return p_inst->init();
+}
+
+int sw_reset(void)
+{
+    if (p_inst == NULL)
+    {
+        return SW_DRV_ERROR;
+    }
+    return p_inst->reset();
+}
+
+int sw_write(sw_t sw_mask)
+{
+    if (p_inst == NULL)
+    {
+        return SW_DRV_ERROR;
+    }
+    return p_inst->write(sw_mask);
+}
+
+int sw_read(sw_t *p_sw_mask)
+{
+    if (p_inst == NULL)
+    {
+        return SW_DRV_ERROR;
+    }
+    return p_inst->read(p_sw_mask);
+}
+
+
+int sw_count(uint32_t *p_sw_count)
+{
+    if (p_inst == NULL)
+    {
+        return SW_DRV_ERROR;
+    }
+    return p_inst->get_sw_count(p_sw_count);
+}
+
+#endif /* ! DEF_SW_DRV_ENABLED */

sw_drv.h

@@ -0,0 +1,36 @@
+#ifndef __SW_DRV_H__
+#define __SW_DRV_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+#include "sw_drv_if.h"
+
+#define SW_DRV_ERROR   (-1)
+#define SW_DRV_SUCCESS (0)
+
+#if (DEF_SW_DRV_ENABLED)
+
+int sw_init(void);
+int sw_reset(void);
+int sw_write(sw_t sw_mask);
+int sw_read(sw_t *p_sw_mask);
+int sw_count(uint32_t *p_sw_count);
+
+#else 
+
+#define sw_init() 
+#define sw_reset() 
+#define sw_write(x) 
+#define sw_read(x) 
+#define sw_count(x) 
+
+#endif /* ! DEF_SW_DRV_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __SW_DRV_H__ */

sw_drv_if.h

@@ -0,0 +1,96 @@
+#ifndef __SW_DRV_IF_H__
+#define __SW_DRV_IF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef union
+{
+    uint64_t val;
+    struct
+    {
+        uint64_t sw0  : 1;
+        uint64_t sw1  : 1;
+        uint64_t sw2  : 1;
+        uint64_t sw3  : 1;
+        uint64_t sw4  : 1;
+        uint64_t sw5  : 1;
+        uint64_t sw6  : 1;
+        uint64_t sw7  : 1;
+        uint64_t sw8  : 1;
+        uint64_t sw9  : 1;
+        uint64_t sw10 : 1;
+        uint64_t sw11 : 1;
+        uint64_t sw12 : 1;
+        uint64_t sw13 : 1;
+        uint64_t sw14 : 1;
+        uint64_t sw15 : 1;
+        uint64_t sw16 : 1;
+        uint64_t sw17 : 1;
+        uint64_t sw18 : 1;
+        uint64_t sw19 : 1;
+        uint64_t sw20 : 1;
+        uint64_t sw21 : 1;
+        uint64_t sw22 : 1;
+        uint64_t sw23 : 1;
+        uint64_t sw24 : 1;
+        uint64_t sw25 : 1;
+        uint64_t sw26 : 1;
+        uint64_t sw27 : 1;
+        uint64_t sw28 : 1;
+        uint64_t sw29 : 1;
+        uint64_t sw30 : 1;
+        uint64_t sw31 : 1;
+        uint64_t sw32 : 1;
+        uint64_t sw33 : 1;
+        uint64_t sw34 : 1;
+        uint64_t sw35 : 1;
+        uint64_t sw36 : 1;
+        uint64_t sw37 : 1;
+        uint64_t sw38 : 1;
+        uint64_t sw39 : 1;
+        uint64_t sw40 : 1;
+        uint64_t sw41 : 1;
+        uint64_t sw42 : 1;
+        uint64_t sw43 : 1;
+        uint64_t sw44 : 1;
+        uint64_t sw45 : 1;
+        uint64_t sw46 : 1;
+        uint64_t sw47 : 1;
+        uint64_t sw48 : 1;
+        uint64_t sw49 : 1;
+        uint64_t sw50 : 1;
+        uint64_t sw51 : 1;
+        uint64_t sw52 : 1;
+        uint64_t sw53 : 1;
+        uint64_t sw54 : 1;
+        uint64_t sw55 : 1;
+        uint64_t sw56 : 1;
+        uint64_t sw57 : 1;
+        uint64_t sw58 : 1;
+        uint64_t sw59 : 1;
+        uint64_t sw60 : 1;
+        uint64_t sw61 : 1;
+        uint64_t sw62 : 1;
+        uint64_t sw63 : 1;
+    };
+} sw_t;
+
+typedef struct
+{
+    int (*init)(void);
+    int (*reset)(void);
+    int (*write)(sw_t sw_mask);
+    int (*read)(sw_t *p_sw_mask);
+    int (*get_sw_count)(uint32_t *p_sw_count);
+} sw_drv_if_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __SW_DRV_IF_H__ */

syscalls.c

@@ -0,0 +1,155 @@
+/**
+ ******************************************************************************
+ * @file      syscalls.c
+ * @author    Auto-generated by STM32CubeIDE
+ * @brief     STM32CubeIDE Minimal System calls file
+ *
+ *            For more information about which c-functions
+ *            need which of these lowlevel functions
+ *            please consult the Newlib libc-manual
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2022 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+
+/* Includes */
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdio.h>
+#include <signal.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/times.h>
+
+
+/* Variables */
+extern int __io_putchar(int ch) __attribute__((weak));
+extern int __io_getchar(void) __attribute__((weak));
+
+
+char *__env[1] = { 0 };
+char **environ = __env;
+
+
+/* Functions */
+void initialise_monitor_handles()
+{
+}
+
+int _getpid(void)
+{
+	return 1;
+}
+
+int _kill(int pid, int sig)
+{
+	errno = EINVAL;
+	return -1;
+}
+
+void _exit (int status)
+{
+	_kill(status, -1);
+	while (1) {}		/* Make sure we hang here */
+}
+
+__attribute__((weak)) int _read(int file, char *ptr, int len)
+{
+	int DataIdx;
+
+	for (DataIdx = 0; DataIdx < len; DataIdx++)
+	{
+		*ptr++ = __io_getchar();
+	}
+
+return len;
+}
+
+__attribute__((weak)) int _write(int file, char *ptr, int len)
+{
+	int DataIdx;
+
+	for (DataIdx = 0; DataIdx < len; DataIdx++)
+	{
+		__io_putchar(*ptr++);
+	}
+	return len;
+}
+
+int _close(int file)
+{
+	return -1;
+}
+
+
+int _fstat(int file, struct stat *st)
+{
+	st->st_mode = S_IFCHR;
+	return 0;
+}
+
+int _isatty(int file)
+{
+	return 1;
+}
+
+int _lseek(int file, int ptr, int dir)
+{
+	return 0;
+}
+
+int _open(char *path, int flags, ...)
+{
+	/* Pretend like we always fail */
+	return -1;
+}
+
+int _wait(int *status)
+{
+	errno = ECHILD;
+	return -1;
+}
+
+int _unlink(char *name)
+{
+	errno = ENOENT;
+	return -1;
+}
+
+int _times(struct tms *buf)
+{
+	return -1;
+}
+
+int _stat(char *file, struct stat *st)
+{
+	st->st_mode = S_IFCHR;
+	return 0;
+}
+
+int _link(char *old, char *new)
+{
+	errno = EMLINK;
+	return -1;
+}
+
+int _fork(void)
+{
+	errno = EAGAIN;
+	return -1;
+}
+
+int _execve(char *name, char **argv, char **env)
+{
+	errno = ENOMEM;
+	return -1;
+}

tw1508.c

@@ -0,0 +1,49 @@
+#include "tw1508.h"
+
+#include "nrf_delay.h"
+#include "nrf_log.h"
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+#if (DEF_TW1508_ENABLED)
+
+void tw1508_set(uint16_t out_0, uint16_t out_1)
+{
+    NRF_LOG_INFO("%s(0x%04X, 0x%04X)", __FUNCTION__, out_0, out_1);
+    typedef struct
+    {
+        uint32_t scki_pin;
+        uint32_t sdi_pin;
+        uint32_t val;
+    } tw1805_t;
+
+    tw1805_t tw1508[2] = {
+        {TW_SCKI_0_PIN, TW_SDI_PIN, out_0},
+        {TW_SCKI_1_PIN, TW_SDI_PIN, out_1},
+    };
+
+    nrf_gpio_pin_write(tw1508[0].scki_pin, 0);
+    nrf_gpio_pin_write(tw1508[1].scki_pin, 0);
+
+    for (uint32_t i = 0; i < COUNTOF(tw1508); i++)
+    {
+        for (uint16_t j = 0b1000000000; j > 0; j >>= 1)
+        {
+            nrf_delay_us(1);
+            nrf_gpio_pin_write(tw1508[i].sdi_pin, j & tw1508[i].val);
+            nrf_delay_us(1);
+            nrf_gpio_pin_write(tw1508[i].scki_pin, 1);
+            nrf_delay_us(1);
+            nrf_gpio_pin_write(tw1508[i].scki_pin, 0);
+        }
+    }
+    nrf_delay_us(256);
+}
+
+void tw1508_init(void)
+{
+    tw1508_set(0, 0);
+}
+
+#endif /* ! DEF_TW1508_ENABLED */

tw1508.h

@@ -0,0 +1,21 @@
+#ifndef __TW1508_H__
+#define __TW1508_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "elite_board.h"
+
+#if (DEF_TW1508_ENABLED)
+    void tw1508_set(uint16_t out_0, uint16_t out_1);
+    void tw1508_init(void);
+#endif /* ! DEF_TW1508_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __CPG_H__ */

uart.drv.c

@@ -0,0 +1,243 @@
+#include "nrf.h"
+#include "nrf_gpio.h"
+#include "nrf_uarte.h"
+
+#include "le_uart_srv.h"
+#include "uart_drv.h"
+
+#include "nrf_error.h"
+
+#include "FreeRTOS.h"
+#include "message_buffer.h"
+#include "semphr.h"
+#include "task.h"
+
+#include <string.h>
+
+#if (DEF_UARTE_ENABLED)
+
+#define UART_TX_PIN NRF_GPIO_PIN_MAP(0, 6)
+#define UART_RX_PIN NRF_GPIO_PIN_MAP(0, 8)
+
+static MessageBufferHandle_t rx_message = NULL;
+static MessageBufferHandle_t tx_message = NULL;
+static SemaphoreHandle_t tx_done_sem    = NULL;
+
+void UARTE0_UART0_IRQHandler(void)
+{
+    if (NRF_UARTE0->EVENTS_ENDTX)
+    {
+        NRF_UARTE0->EVENTS_ENDTX            = 0;
+        BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+        xSemaphoreGiveFromISR(tx_done_sem, &xHigherPriorityTaskWoken);
+        portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+    }
+}
+
+ret_code_t uart_set_baud(uint32_t baudrate)
+{
+    ret_code_t ret = NRF_SUCCESS;
+
+    vTaskSuspendAll();
+
+    NRF_UARTE0->ENABLE = UARTE_ENABLE_ENABLE_Disabled;
+    switch (baudrate)
+    {
+        case 4800:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud4800;
+            break;
+        case 9600:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud9600;
+            break;
+        case 19200:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud19200;
+            break;
+        case 38400:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud38400;
+            break;
+        case 56000:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud56000;
+            break;
+        case 57600:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud57600;
+            break;
+        case 115200:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud115200;
+            break;
+        case 250000:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud250000;
+            break;
+        case 1000000:
+            NRF_UARTE0->BAUDRATE = UART_BAUDRATE_BAUDRATE_Baud1M;
+            break;
+        default:
+            ret = NRF_ERROR_INVALID_PARAM;
+            break;
+    }
+    NRF_UARTE0->ENABLE = UARTE_ENABLE_ENABLE_Enabled;
+
+    xTaskResumeAll();
+
+    return ret;
+}
+
+void uart_tx_task(void *p_arg)
+{
+    for (;;)
+    {
+        static uint8_t tx[2048];
+        size_t tx_size = xMessageBufferReceive(tx_message, tx, sizeof(tx), portMAX_DELAY);
+        if (tx_size)
+        {
+            NRF_UARTE0->TXD.PTR          = (uint32_t)tx;
+            NRF_UARTE0->TXD.MAXCNT       = tx_size;
+            NRF_UARTE0->EVENTS_ENDTX     = 0;
+            NRF_UARTE0->EVENTS_TXSTOPPED = 0;
+            NRF_UARTE0->EVENTS_TXSTARTED = 0;
+            NRF_UARTE0->TASKS_STARTTX    = 1;
+            NRF_UARTE0->INTENSET         = UARTE_INTENSET_ENDTX_Msk;
+            if (xSemaphoreTake(tx_done_sem, pdMS_TO_TICKS(10000)) == pdFALSE)
+            {
+                NRF_UARTE0->TASKS_STOPTX = 1;
+            }
+            NRF_UARTE0->INTENCLR = UARTE_INTEN_ENDTX_Msk;
+        }
+    }
+}
+
+void uart_rx_task(void *p_arg)
+{
+    static uint8_t rx[2][2048];
+    int idx                   = 0;
+    NRF_UARTE0->SHORTS        = UARTE_SHORTS_ENDRX_STARTRX_Msk;
+    NRF_UARTE0->RXD.PTR       = (uint32_t)rx[idx];
+    NRF_UARTE0->RXD.MAXCNT    = sizeof(rx[idx]);
+    NRF_UARTE0->TASKS_STOPRX  = 1;
+    NRF_UARTE0->TASKS_STARTRX = 1;
+    do {
+    } while (NRF_UARTE0->EVENTS_RXSTARTED == 0);
+    NRF_UARTE0->RXD.PTR    = (uint32_t)rx[idx ^ 1];
+    NRF_UARTE0->RXD.MAXCNT = sizeof(rx[idx ^ 1]);
+
+    for (;;)
+    {
+        NRF_UARTE0->EVENTS_RXDRDY = 0;
+
+        do {
+            vTaskDelay(pdMS_TO_TICKS(5));
+        } while (NRF_UARTE0->EVENTS_RXDRDY == 0);
+
+        do {
+            NRF_UARTE0->EVENTS_RXDRDY = 0;
+            vTaskDelay(pdMS_TO_TICKS(5));
+        } while (NRF_UARTE0->EVENTS_RXDRDY == 1);
+
+        NRF_UARTE0->EVENTS_ENDRX     = 0;
+        NRF_UARTE0->EVENTS_RXSTARTED = 0;
+        NRF_UARTE0->TASKS_STOPRX     = 1;
+
+        do {
+            vTaskDelay(pdMS_TO_TICKS(1));
+        } while (NRF_UARTE0->EVENTS_RXSTARTED == 0);
+
+        NRF_UARTE0->RXD.PTR    = (uint32_t)rx[idx];
+        NRF_UARTE0->RXD.MAXCNT = sizeof(rx[idx]);
+
+        xMessageBufferSend(rx_message, rx[idx], NRF_UARTE0->RXD.AMOUNT, portMAX_DELAY);
+
+        idx ^= 1;
+    }
+}
+
+void uart_rx_notify_task(void *p_arg)
+{
+    for (;;)
+    {
+        static uint8_t buf[2048];
+        uint32_t recv_size = uart_recv(buf, sizeof(buf));
+        if (recv_size)
+        {
+            uint8_t *p      = buf;
+            uint32_t loops  = recv_size / BLE_UART_MAX_DATA_LEN;
+            uint32_t remain = recv_size % BLE_UART_MAX_DATA_LEN;
+
+            for (int i = 0; i < loops; i++)
+            {
+                for (int i = 0; i < 10; i++)
+                {
+                    if (le_uart_notify((void *)p, BLE_UART_MAX_DATA_LEN) == NRF_SUCCESS)
+                    {
+                        p += BLE_UART_MAX_DATA_LEN;
+                        break;
+                    }
+                    else
+                    {
+                        vTaskDelay(pdMS_TO_TICKS(5));
+                    }
+                }
+            }
+
+            if (remain)
+            {
+                for (int i = 0; i < 10; i++)
+                {
+                    if (le_uart_notify((void *)p, remain) == NRF_SUCCESS)
+                    {
+                        p += BLE_UART_MAX_DATA_LEN;
+                        break;
+                    }
+                    else
+                    {
+                        vTaskDelay(pdMS_TO_TICKS(5));
+                    }
+                }
+            }
+        }
+    }
+}
+
+void uart_init(void)
+{
+    rx_message  = xMessageBufferCreate(4096);
+    tx_message  = xMessageBufferCreate(2048);
+    tx_done_sem = xSemaphoreCreateBinary();
+
+    NRF_UARTE0->ENABLE   = UARTE_ENABLE_ENABLE_Disabled;
+    NRF_UARTE0->PSEL.TXD = UART_TX_PIN | (UARTE_PSEL_TXD_CONNECT_Connected << UARTE_PSEL_TXD_CONNECT_Pos);
+    NRF_UARTE0->PSEL.RXD = UART_RX_PIN | (UARTE_PSEL_RXD_CONNECT_Connected << UARTE_PSEL_RXD_CONNECT_Pos);
+    NRF_UARTE0->PSEL.CTS = 0;
+    NRF_UARTE0->PSEL.RTS = 0;
+    NRF_UARTE0->CONFIG   = UARTE_CONFIG_STOP_Msk;
+    NRF_UARTE0->BAUDRATE = UARTE_BAUDRATE_BAUDRATE_Baud115200;
+    NRF_UARTE0->ENABLE   = UARTE_ENABLE_ENABLE_Enabled;
+
+    // Config uart tx pin
+    nrf_gpio_cfg(
+        UART_TX_PIN,
+        NRF_GPIO_PIN_DIR_OUTPUT,
+        NRF_GPIO_PIN_INPUT_DISCONNECT,
+        NRF_GPIO_PIN_NOPULL,
+        NRF_GPIO_PIN_H0H1,
+        NRF_GPIO_PIN_NOSENSE);
+
+    // Config uart rx pin
+    nrf_gpio_cfg_input(UART_RX_PIN, NRF_GPIO_PIN_PULLUP);
+
+    sd_nvic_SetPriority(UARTE0_UART0_IRQn, _PRIO_APP_LOWEST);
+    sd_nvic_EnableIRQ(UARTE0_UART0_IRQn);
+
+    xTaskCreate(uart_tx_task, "uart tx", 64, NULL, 4, NULL);
+    xTaskCreate(uart_rx_task, "uart rx", 64, NULL, 4, NULL);
+    xTaskCreate(uart_rx_notify_task, "uart rx notify", 128, NULL, 3, NULL);
+}
+
+int uart_send(void *p_data, uint32_t size)
+{
+    return xMessageBufferSend(tx_message, p_data, size, portMAX_DELAY);
+}
+
+int uart_recv(void *p_data, uint32_t max_size)
+{
+    return xMessageBufferReceive(rx_message, p_data, max_size, portMAX_DELAY);
+}
+#endif

uart_drv.h

@@ -0,0 +1,28 @@
+#pragma once
+#ifndef __UART_DRV_H__
+#define __UART_DRV_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "app_config.h"
+#include "sdk_errors.h"
+
+#if (DEF_UARTE_ENABLED)
+    void uart_init(void);
+    int uart_send(void *p_data, uint32_t size);
+    int uart_recv(void *p_data, uint32_t max_size);
+    ret_code_t uart_set_baud(uint32_t baudrate);
+#else
+    #define uart_init()
+    #define uart_send(...) ;
+    #define uart_recv(...) ;
+#endif /* ! DEF_UARTE_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __UART_DRV_H__ */

usbd.c

@@ -0,0 +1,256 @@
+#include "nrf.h"
+
+#include "app_usbd.h"
+#include "app_usbd_cdc_acm.h"
+#include "app_usbd_cdc_types.h"
+#include "app_usbd_serial_num.h"
+
+#include "nrf_log.h"
+
+#include "FreeRTOS.h"
+#include "message_buffer.h"
+#include "semphr.h"
+#include "stream_buffer.h"
+#include "task.h"
+
+#define DEBUG_ACM_CDC_READ 1
+
+static void cdc_acm_user_ev_handler(app_usbd_class_inst_t const *p_inst, app_usbd_cdc_acm_user_event_t event);
+
+#define CDC_ACM_COMM_EPIN  NRF_DRV_USBD_EPIN1
+#define CDC_ACM_DATA_EPIN  NRF_DRV_USBD_EPIN2
+#define CDC_ACM_DATA_EPOUT NRF_DRV_USBD_EPOUT2
+
+APP_USBD_CDC_ACM_GLOBAL_DEF(cdc_acm_inst,
+                            cdc_acm_user_ev_handler,
+                            NRF_CDC_ACM_COMM_INTERFACE,
+                            NRF_CDC_ACM_DATA_INTERFACE,
+                            CDC_ACM_COMM_EPIN,
+                            CDC_ACM_DATA_EPIN,
+                            CDC_ACM_DATA_EPOUT,
+                            APP_USBD_CDC_COMM_PROTOCOL_AT_V250);
+
+static SemaphoreHandle_t usbd_ready_rx_done_sem = NULL;
+static SemaphoreHandle_t usbd_ready_tx_done_sem = NULL;
+static SemaphoreHandle_t usbd_evt_queue_sem     = NULL;
+static MessageBufferHandle_t usbd_tx_message    = NULL;
+static MessageBufferHandle_t usbd_rx_message    = NULL;
+static bool is_port_closed                      = true;
+
+static void usbd_isr_handler(app_usbd_internal_evt_t const *const p_event, bool queued)
+{
+    if (queued)
+    {
+        BaseType_t xHigherPriorityTaskWoken = false;
+        xSemaphoreGiveFromISR(usbd_evt_queue_sem, &xHigherPriorityTaskWoken);
+        portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+    }
+}
+
+static void usbd_state_proc(app_usbd_event_type_t event)
+{
+    switch (event)
+    {
+        case APP_USBD_EVT_DRV_SUSPEND:
+            break;
+        case APP_USBD_EVT_DRV_RESUME:
+            break;
+        case APP_USBD_EVT_STARTED:
+            NRF_LOG_INFO("APP_USBD_EVT_STARTED");
+            break;
+        case APP_USBD_EVT_STOPPED:
+            NRF_LOG_INFO("APP_USBD_EVT_STOPPED");
+            app_usbd_disable();
+            break;
+        case APP_USBD_EVT_POWER_DETECTED:
+            NRF_LOG_INFO("USB power detected");
+            if (!nrf_drv_usbd_is_enabled())
+            {
+                app_usbd_enable();
+            }
+            break;
+        case APP_USBD_EVT_POWER_REMOVED:
+            NRF_LOG_INFO("USB power removed");
+            app_usbd_stop();
+            break;
+        case APP_USBD_EVT_POWER_READY:
+            NRF_LOG_INFO("USB ready");
+            app_usbd_start();
+            break;
+        default:
+            break;
+    }
+}
+
+static void usbd_ser_send_task(void *p_arg)
+{
+    static uint8_t buf[512];
+    for (;;)
+    {
+        size_t send_size = xStreamBufferReceive(usbd_tx_message, buf, sizeof(buf), portMAX_DELAY);
+        if (send_size && is_port_closed == false)
+        {
+            ret_code_t ret_code = app_usbd_cdc_acm_write(&cdc_acm_inst, buf, send_size);
+            switch (ret_code)
+            {
+                case NRF_SUCCESS:
+                    xSemaphoreTake(usbd_ready_tx_done_sem, pdMS_TO_TICKS(1000));
+                    break;
+                default:
+                    break;
+            }
+        }
+    }
+}
+
+static void cdc_acm_user_ev_handler(app_usbd_class_inst_t const *p_inst, app_usbd_cdc_acm_user_event_t event)
+{
+    BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+    switch (event)
+    {
+        case APP_USBD_CDC_ACM_USER_EVT_PORT_OPEN:
+            is_port_closed = false;
+            xSemaphoreGiveFromISR(usbd_ready_rx_done_sem, &xHigherPriorityTaskWoken);
+            break;
+        case APP_USBD_CDC_ACM_USER_EVT_PORT_CLOSE:
+            is_port_closed = true;
+            break;
+        case APP_USBD_CDC_ACM_USER_EVT_TX_DONE:
+            xSemaphoreGiveFromISR(usbd_ready_tx_done_sem, &xHigherPriorityTaskWoken);
+            break;
+        case APP_USBD_CDC_ACM_USER_EVT_RX_DONE:
+            xSemaphoreGiveFromISR(usbd_ready_rx_done_sem, &xHigherPriorityTaskWoken);
+            break;
+        default:
+            break;
+    }
+    portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+}
+
+static void usbd_ser_recv_task(void *arg)
+{
+    static uint8_t recv[NRFX_USBD_EPSIZE];
+    static uint32_t recv_size;
+    for (;;)
+    {
+        if (is_port_closed)
+        {
+            xSemaphoreTake(usbd_ready_rx_done_sem, portMAX_DELAY);
+        }
+
+        taskENTER_CRITICAL();
+        xSemaphoreTake(usbd_ready_rx_done_sem, 0);
+        taskEXIT_CRITICAL();
+
+        ret_code_t ret_code = app_usbd_cdc_acm_read_any(&cdc_acm_inst, recv, NRFX_USBD_EPSIZE);
+
+        switch (ret_code)
+        {
+            case NRF_SUCCESS:
+                recv_size = xMessageBufferSend(usbd_rx_message, recv, app_usbd_cdc_acm_rx_size(&cdc_acm_inst), portMAX_DELAY);
+                break;
+            case NRF_ERROR_IO_PENDING:
+                xSemaphoreTake(usbd_ready_rx_done_sem, portMAX_DELAY);
+                recv_size = xMessageBufferSend(usbd_rx_message, recv, app_usbd_cdc_acm_rx_size(&cdc_acm_inst), portMAX_DELAY);
+                break;
+            default:
+                break;
+        }
+#if (DEBUG_ACM_CDC_READ == 1)
+        {
+            static uint8_t str[256];
+            memcpy(str, recv, recv_size);
+            str[recv_size] = '\0';
+            NRF_LOG_INFO("%s", str);
+        }
+#endif
+    }
+}
+
+static void usbd_evt_task(void *arg)
+{
+    app_usbd_serial_num_generate();
+
+    app_usbd_config_t usbd_config = {
+        .ev_isr_handler = usbd_isr_handler,
+        .ev_state_proc  = usbd_state_proc,
+    };
+
+    ret_code_t ret;
+    ret = app_usbd_init(&usbd_config);
+    APP_ERROR_CHECK(ret);
+
+    extern ret_code_t nrf_dfu_trigger_usb_init(void);
+    ret = nrf_dfu_trigger_usb_init();
+    APP_ERROR_CHECK(ret);
+
+    app_usbd_class_inst_t const *pxInst = app_usbd_cdc_acm_class_inst_get(&cdc_acm_inst);
+    ret                                 = app_usbd_class_append(pxInst);
+    APP_ERROR_CHECK(ret);
+
+    app_usbd_enable();
+
+    app_usbd_start();
+
+    for (;;)
+    {
+        xSemaphoreTake(usbd_evt_queue_sem, portMAX_DELAY);
+        do {
+        } while (app_usbd_event_queue_process());
+    }
+}
+
+void usbd_init(void)
+{
+    usbd_ready_rx_done_sem = xSemaphoreCreateBinary();
+    usbd_ready_tx_done_sem = xSemaphoreCreateBinary();
+    usbd_evt_queue_sem     = xSemaphoreCreateBinary();
+    usbd_tx_message        = xMessageBufferCreate(512);
+    usbd_rx_message        = xMessageBufferCreate(512);
+
+    xTaskCreate(usbd_evt_task, "usb_evt", 1024, NULL, 3, NULL);
+    xTaskCreate(usbd_ser_recv_task, "usb_recv", 256, NULL, 3, NULL);
+    xTaskCreate(usbd_ser_send_task, "usb_send", 256, NULL, 3, NULL);
+}
+
+int32_t usbd_ser_write(uint8_t *p_data, uint32_t size, TickType_t timeout)
+{
+    int32_t ret = 0;
+
+    if (size)
+    {
+        if (timeout)
+        {
+            xMessageBufferSend(usbd_tx_message, p_data, size, timeout);
+        }
+        else
+        {
+            taskENTER_CRITICAL();
+            xMessageBufferSend(usbd_tx_message, p_data, size, 0);
+            taskEXIT_CRITICAL();
+        }
+    }
+
+    return ret;
+}
+
+int32_t usbd_ser_read(uint8_t *p_data, uint32_t size, TickType_t timeout)
+{
+    int32_t ret = 0;
+
+    if (size)
+    {
+        if (timeout)
+        {
+            ret = xMessageBufferReceive(usbd_rx_message, p_data, size, timeout);
+        }
+        else
+        {
+            taskENTER_CRITICAL();
+            ret = xMessageBufferReceive(usbd_rx_message, p_data, size, 0);
+            taskEXIT_CRITICAL();
+        }
+    }
+
+    return ret;
+}

usbd.h

@@ -0,0 +1,25 @@
+#ifndef __USBD_H__
+#define __USBD_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "app_config.h"
+
+#if (DEF_USBD_ENABLED)
+void usbd_init(void);
+int32_t usbd_ser_write(uint8_t *p_data, uint32_t size, TickType_t timeout);
+int32_t usbd_ser_read(uint8_t *p_data, uint32_t size, TickType_t timeout);
+#else
+#define usbd_init()
+#define usbd_ser_write(...);
+#define usbd_ser_read(...);
+
+#endif /* ! DEF_FS_ENABLED */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! __USBD_H__ */

usbd_dfu_trigger.c

@@ -0,0 +1,132 @@
+/**
+ * Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "usbd_dfu_trigger.h"
+#include "app_usbd.h"
+#include "app_usbd_nrf_dfu_trigger.h"
+#include "nrf_drv_clock.h"
+#include "nrf_gpio.h"
+#include "nrf_log_ctrl.h"
+
+#include "app_usbd_serial_num.h"
+#include "app_util.h"
+#include "nrf_bootloader_info.h"
+#include "nrf_pwr_mgmt.h"
+#define NRF_LOG_MODULE_NAME nrf_dfu_trigger_usb
+#include "nrf_log.h"
+NRF_LOG_MODULE_REGISTER();
+
+#define DFU_FLASH_PAGE_SIZE  (NRF_FICR->CODEPAGESIZE)
+#define DFU_FLASH_PAGE_COUNT (NRF_FICR->CODESIZE)
+
+#define APP_NAME             ELITE_DEVICE_NAME
+#define APP_VERSION_STRING   "1.0.0"
+
+static uint8_t m_version_string[] = APP_NAME " " APP_VERSION_STRING; ///< Human-readable version string.
+static app_usbd_nrf_dfu_trigger_nordic_info_t m_dfu_info;            ///< Struct with various information about the current firmware.
+
+static void dfu_trigger_evt_handler(app_usbd_class_inst_t const *p_inst, app_usbd_nrf_dfu_trigger_user_event_t event)
+{
+    UNUSED_PARAMETER(p_inst);
+    ret_code_t err_code;
+    switch (event)
+    {
+        case APP_USBD_NRF_DFU_TRIGGER_USER_EVT_DETACH:
+            NRF_LOG_INFO("DFU Detach request received. Triggering a pin reset.");
+            NRF_LOG_FINAL_FLUSH();
+            {
+                err_code = sd_power_gpregret_clr(0, 0xFFFFFFFF);
+                APP_ERROR_CHECK(err_code);
+                err_code = sd_power_gpregret_set(0, BOOTLOADER_DFU_START);
+                APP_ERROR_CHECK(err_code);
+                // Signal that DFU mode is to be enter to the power management module
+                nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_DFU);
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+APP_USBD_NRF_DFU_TRIGGER_GLOBAL_DEF(m_app_dfu,
+                                    NRF_DFU_TRIGGER_USB_INTERFACE_NUM,
+                                    &m_dfu_info,
+                                    m_version_string,
+                                    dfu_trigger_evt_handler);
+
+static void strings_create(void)
+{
+    uint8_t prev_char = 'a'; // Arbitrary valid char, not '-'.
+    // Remove characters that are not supported in semantic version strings.
+    for (size_t i = strlen(APP_NAME) + 1; i < strlen((char *)m_version_string); i++)
+    {
+        if (((m_version_string[i] >= 'a') && (m_version_string[i] <= 'z')) || ((m_version_string[i] >= 'A') && (m_version_string[i] <= 'Z')) || ((m_version_string[i] >= '0') && (m_version_string[i] <= '9')) || (m_version_string[i] == '+') || (m_version_string[i] == '.') || (m_version_string[i] == '-'))
+        {
+            // Valid semantic version character.
+        }
+        else if (prev_char == '-')
+        {
+            m_version_string[i] = '0';
+        }
+        else
+        {
+            m_version_string[i] = '-';
+        }
+        prev_char = m_version_string[i];
+    }
+}
+
+ret_code_t nrf_dfu_trigger_usb_init(void)
+{
+
+    m_dfu_info.wAddress       = CODE_START;
+    m_dfu_info.wFirmwareSize  = CODE_SIZE;
+    m_dfu_info.wVersionMajor  = 1;
+    m_dfu_info.wVersionMinor  = 0;
+    m_dfu_info.wFirmwareID    = 0;
+    m_dfu_info.wFlashPageSize = DFU_FLASH_PAGE_SIZE;
+    m_dfu_info.wFlashSize     = m_dfu_info.wFlashPageSize * DFU_FLASH_PAGE_COUNT;
+
+    strings_create();
+
+    app_usbd_class_inst_t const *class_dfu = app_usbd_nrf_dfu_trigger_class_inst_get(&m_app_dfu);
+    ret_code_t ret                         = app_usbd_class_append(class_dfu);
+
+    return ret;
+}

usbd_dfu_trigger.h

@@ -0,0 +1,74 @@
+/**
+ * Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef USBD_DFU_TRIGGER_H
+#define USBD_DFU_TRIGGER_H
+
+#include "sdk_errors.h"
+
+/**
+ * @defgroup nrf_dfu_trigger_usb USB DFU trigger library
+ * @ingroup app_common
+ *
+ * @brief @tagAPI52840 USB DFU trigger library is used to enter the bootloader and read the firmware version.
+ *
+ * @details See @ref lib_dfu_trigger_usb for additional documentation.
+ * @{
+ */
+
+/**
+ * @brief Function for initializing the USB DFU trigger library.
+ *
+ * @note  If the USB is also used for other purposes, then this function must be called after USB is
+ *        initialized but before it is enabled. In this case, the configuration flag @ref
+ *        NRF_DFU_TRIGGER_USB_USB_SHARED must be set to 1.
+ *
+ * @note  Calling this again after the first success has no effect and returns @ref NRF_SUCCESS.
+ *
+ * @note  If @ref APP_USBD_CONFIG_EVENT_QUEUE_ENABLE is on (1), USB events must be handled manually.
+ *        See @ref app_usbd_event_queue_process.
+ *
+ * @retval NRF_SUCCESS  On successful initialization.
+ * @return An error code on failure, for example if called at a wrong time.
+ */
+ret_code_t nrf_dfu_trigger_usb_init(void);
+
+/** @} */
+
+#endif //NRF_DFU_TRIGGER_USB_H