chain40
302 lines
9.4 KiB
C
302 lines
9.4 KiB
C
#include "nrf_drv_spi.h"
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#include "nrf_drv_twi.h"
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#include "nrf_gpio.h"
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#include "nrf_log.h"
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#include "FreeRTOS.h"
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#include "queue.h"
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#include "semphr.h"
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#include "edc20_pin_ctrl.h"
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//==========================================================
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// gpio
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//==========================================================
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void gpio_init(void)
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{
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nrf_gpio_pin_set(POWER_5V_EN_PIN);
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nrf_gpio_pin_set(POWER_12V_EN_PIN);
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nrf_gpio_pin_set(CS_SW_PIN);
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nrf_gpio_pin_set(CS_MEM_PIN);
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nrf_gpio_pin_set(CS_ADC_PIN);
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nrf_gpio_pin_set(CS_DAC_PIN);
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nrf_gpio_pin_set(OFF_PIN);
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nrf_gpio_pin_clear(Vout_FB_PIN);
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nrf_gpio_pin_clear(Vout_IN_PIN);
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nrf_gpio_pin_clear(Iin4_TEST_PIN);
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nrf_gpio_pin_clear(Iin3_SEL_PIN);
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nrf_gpio_pin_clear(Iin3_PIN);
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nrf_gpio_pin_clear(Iin2_PIN);
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nrf_gpio_pin_clear(Iin1_PIN);
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nrf_gpio_pin_clear(Vin2_PIN);
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nrf_gpio_pin_clear(Vin1_PIN);
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nrf_gpio_pin_clear(CV_CTRL_PIN);
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nrf_gpio_pin_clear(ADCA2_PIN);
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nrf_gpio_pin_clear(ADCA1_PIN);
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nrf_gpio_pin_clear(ADCA0_PIN);
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nrf_gpio_pin_clear(RST_SW_PIN);
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nrf_gpio_cfg_output(POWER_5V_EN_PIN);
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nrf_gpio_cfg_output(POWER_12V_EN_PIN);
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nrf_gpio_cfg_output(OFF_PIN);
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nrf_gpio_cfg_output(Vout_FB_PIN);
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nrf_gpio_cfg_output(Vout_IN_PIN);
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nrf_gpio_cfg_output(Iin4_TEST_PIN);
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nrf_gpio_cfg_output(Iin3_SEL_PIN);
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nrf_gpio_cfg_output(Iin3_PIN);
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nrf_gpio_cfg_output(Iin2_PIN);
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nrf_gpio_cfg_output(Iin1_PIN);
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nrf_gpio_cfg_output(Vin2_PIN);
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nrf_gpio_cfg_output(Vin1_PIN);
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nrf_gpio_cfg_output(CV_CTRL_PIN);
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nrf_gpio_cfg_output(ADCA2_PIN);
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nrf_gpio_cfg_output(ADCA1_PIN);
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nrf_gpio_cfg_output(ADCA0_PIN);
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nrf_gpio_cfg_output(RST_SW_PIN);
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nrf_gpio_cfg_output(CS_SW_PIN);
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nrf_gpio_cfg_output(CS_MEM_PIN);
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nrf_gpio_cfg_output(CS_ADC_PIN);
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nrf_gpio_cfg_output(CS_DAC_PIN);
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nrf_gpio_cfg_input(VBAT_PIN, NRF_GPIO_PIN_NOPULL);
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nrf_gpio_cfg_input(SHUT_DOWN_PIN, NRF_GPIO_PIN_NOPULL);
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nrf_gpio_cfg_input(INT9466_PIN, NRF_GPIO_PIN_NOPULL);
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}
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//==========================================================
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// i2c
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//==========================================================
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static const nrf_drv_twi_t twi0 = NRF_DRV_TWI_INSTANCE(0);
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static SemaphoreHandle_t i2c_sem = NULL;
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static SemaphoreHandle_t i2c_mutex = NULL;
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static QueueHandle_t i2c_evt_queue = NULL;
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static void nrf_drv_twi_evt_handler(nrf_drv_twi_evt_t const *p_event, void *p_context)
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{
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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xQueueSendFromISR(i2c_evt_queue, p_event, &xHigherPriorityTaskWoken);
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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}
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void twi_init(void)
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{
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ret_code_t err_code;
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i2c_sem = xSemaphoreCreateBinary();
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i2c_mutex = xSemaphoreCreateMutex();
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i2c_evt_queue = xQueueCreate(2, sizeof(nrf_drv_twi_evt_t));
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const nrf_drv_twi_config_t twi0_config = {
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.scl = I2C0_SCL,
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.sda = I2C0_SDA,
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.frequency = NRF_DRV_TWI_FREQ_100K,
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.interrupt_priority = APP_IRQ_PRIORITY_HIGH,
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.clear_bus_init = true
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};
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err_code = nrf_drv_twi_init(&twi0, &twi0_config, nrf_drv_twi_evt_handler, NULL);
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APP_ERROR_CHECK(err_code);
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nrf_drv_twi_enable(&twi0);
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}
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void twi0_write_reg(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data, uint8_t data_len)
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{
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xSemaphoreTake(i2c_mutex, portMAX_DELAY);
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static uint8_t i2c_buf[255];
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static nrf_drv_twi_evt_t evt;
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ret_code_t err_code;
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memcpy(i2c_buf, ®_addr, sizeof(reg_addr));
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memcpy(i2c_buf + sizeof(reg_addr), data, data_len);
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err_code = nrf_drv_twi_tx(&twi0, slave_addr, i2c_buf, data_len + 1, false);
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APP_ERROR_CHECK(err_code);
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xQueueReceive(i2c_evt_queue, &evt, portMAX_DELAY);
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switch (evt.type)
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{
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/* Transfer completed event. */
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case NRF_DRV_TWI_EVT_DONE:
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// TODO...
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break;
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/* Error event: NACK received after sending the address. */
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case NRF_DRV_TWI_EVT_ADDRESS_NACK:
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// TODO...
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__BKPT(255);
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break;
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/* Error event: NACK received after sending a data byte. */
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case NRF_DRV_TWI_EVT_DATA_NACK:
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// TODO...
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__BKPT(255);
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break;
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default:
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__BKPT(255);
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break;
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}
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xSemaphoreGive(i2c_mutex);
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NRF_LOG_INFO("i2c(W): slave_addr=0x%02x", slave_addr);
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NRF_LOG_HEXDUMP_INFO(i2c_buf, data_len + 1);
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}
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void twi0_read_reg(uint8_t slave_addr, uint8_t reg_addr, uint8_t *p_rx_buf, uint8_t rx_buffer_length)
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{
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xSemaphoreTake(i2c_mutex, portMAX_DELAY);
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nrf_drv_twi_evt_t evt;
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ret_code_t err_code;
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err_code = nrf_drv_twi_tx(&twi0, slave_addr, ®_addr, sizeof(reg_addr), false);
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APP_ERROR_CHECK(err_code);
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xQueueReceive(i2c_evt_queue, &evt, portMAX_DELAY);
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switch (evt.type)
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{
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/* Transfer completed event. */
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case NRF_DRV_TWI_EVT_DONE:
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// TODO...
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break;
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/* Error event: NACK received after sending the address. */
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case NRF_DRV_TWI_EVT_ADDRESS_NACK:
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// TODO...
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__BKPT(255);
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break;
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/* Error event: NACK received after sending a data byte. */
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case NRF_DRV_TWI_EVT_DATA_NACK:
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// TODO...
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__BKPT(255);
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break;
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default:
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break;
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}
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err_code = nrf_drv_twi_rx(&twi0, slave_addr, p_rx_buf, rx_buffer_length);
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APP_ERROR_CHECK(err_code);
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xQueueReceive(i2c_evt_queue, &evt, portMAX_DELAY);
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switch (evt.type)
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{
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/* Transfer completed event. */
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case NRF_DRV_TWI_EVT_DONE:
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// TODO...
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break;
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/* Error event: NACK received after sending the address. */
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case NRF_DRV_TWI_EVT_ADDRESS_NACK:
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// TODO...
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__BKPT(255);
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break;
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/* Error event: NACK received after sending a data byte. */
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case NRF_DRV_TWI_EVT_DATA_NACK:
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// TODO...
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__BKPT(255);
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break;
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default:
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break;
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}
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xSemaphoreGive(i2c_mutex);
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NRF_LOG_INFO("i2c(R): slave_addr=0x%02x reg_addr=0x%02x", slave_addr, reg_addr);
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NRF_LOG_HEXDUMP_INFO(p_rx_buf, rx_buffer_length);
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}
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//==========================================================
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// spi
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//==========================================================
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static const nrf_drv_spi_t spim1 = NRF_DRV_SPI_INSTANCE(1); /**< SPI instance. */
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static const nrf_drv_spi_t spim2 = NRF_DRV_SPI_INSTANCE(2); /**< SPI instance. */
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static SemaphoreHandle_t spim1_sem = NULL;
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static SemaphoreHandle_t spim2_sem = NULL;
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static SemaphoreHandle_t spim2_mutex = NULL;
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static void nrf_drv_spim1_evt_handler(nrf_drv_spi_evt_t const *p_event, void *p_context)
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{
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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switch (p_event->type)
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{
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case NRF_DRV_SPI_EVENT_DONE:
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xSemaphoreGiveFromISR(spim1_sem, &xHigherPriorityTaskWoken);
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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break;
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default:
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break;
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}
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}
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static void nrf_drv_spim2_evt_handler(nrf_drv_spi_evt_t const *p_event, void *p_context)
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{
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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switch (p_event->type)
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{
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case NRF_DRV_SPI_EVENT_DONE:
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xSemaphoreGiveFromISR(spim2_sem, &xHigherPriorityTaskWoken);
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portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
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break;
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default:
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break;
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}
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}
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void spi_init(void)
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{
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spim1_sem = xSemaphoreCreateBinary();
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spim2_sem = xSemaphoreCreateBinary();
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spim2_mutex = xSemaphoreCreateMutex();
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nrf_drv_spi_config_t spi1_config = NRF_DRV_SPI_DEFAULT_CONFIG;
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spi1_config.ss_pin = NRF_DRV_SPI_PIN_NOT_USED;
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spi1_config.miso_pin = NRF_DRV_SPI_PIN_NOT_USED;
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spi1_config.mosi_pin = SPI1_MOSI_PIN;
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spi1_config.sck_pin = SPI1_CLK_PIN;
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spi1_config.mode = NRF_DRV_SPI_MODE_0;
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spi1_config.frequency = NRF_DRV_SPI_FREQ_8M;
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APP_ERROR_CHECK(nrf_drv_spi_init(&spim1, &spi1_config, nrf_drv_spim1_evt_handler, NULL));
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nrf_drv_spi_config_t spi2_config = NRF_DRV_SPI_DEFAULT_CONFIG;
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spi2_config.ss_pin = NRF_DRV_SPI_PIN_NOT_USED;
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spi2_config.miso_pin = SPI2_MISO_PIN;
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spi2_config.mosi_pin = SPI2_MOSI_PIN;
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spi2_config.sck_pin = SPI2_CLK_PIN;
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spi2_config.mode = NRF_DRV_SPI_MODE_2;
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spi2_config.frequency = NRF_DRV_SPI_FREQ_8M;
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APP_ERROR_CHECK(nrf_drv_spi_init(&spim2, &spi2_config, nrf_drv_spim2_evt_handler, NULL));
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}
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void spi1_write(uint8_t *p_tx_buffer, uint8_t tx_buffer_length)
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{
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APP_ERROR_CHECK(nrf_drv_spi_transfer(&spim1, p_tx_buffer, tx_buffer_length, NULL, 0));
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xSemaphoreTake(spim1_sem, portMAX_DELAY);
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}
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void spi2_write(uint32_t cs_pin, uint8_t *p_tx_buffer, uint8_t tx_buffer_length, uint8_t *p_rx_buf, uint8_t rx_buffer_length)
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{
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xSemaphoreTake(spim2_mutex, portMAX_DELAY);
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nrf_gpio_pin_clear(cs_pin);
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APP_ERROR_CHECK(nrf_drv_spi_transfer(&spim2, p_tx_buffer, tx_buffer_length, p_rx_buf, rx_buffer_length));
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if (xSemaphoreTake(spim2_sem, pdMS_TO_TICKS(100)) == pdFALSE)
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{
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// TODO... spi transfer timeout.
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}
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nrf_gpio_pin_set(cs_pin);
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xSemaphoreGive(spim2_mutex);
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NRF_LOG_INFO("spi(W)");
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NRF_LOG_HEXDUMP_INFO(p_tx_buffer, tx_buffer_length);
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if (rx_buffer_length > 0)
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{
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NRF_LOG_INFO("spi(R)");
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NRF_LOG_HEXDUMP_INFO(p_rx_buf, rx_buffer_length);
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}
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}
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