update rec cali data

# Conflicts:
#	simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_dbs_object.h
#	simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_version.h

Neulive_sti_cali.txt

@@ -8,7 +8,7 @@ no	device	y=ax+b	MAC	a+	b+	a-	b-	avg
 7	c652	c652	18:04:ED:37:C6:52	2024	-7687	2086	-11283	4.88850143182858
 8	c5ed	c5ed	18:04:ED:37:C5:ED	2231	-1711	2353	-70845	4.45265043545859
 9	9bef	9bef	0081F9E49BEF	2383	-8585	2415	-20347	4.2758539244186
-10	8b50	8b50	00:81:F9:E4:8B:50	2369	-11005	2360	-11797	4.30475635707671
+10	8b50	8b50	00:81:F9:E4:8B:50	2366	-5223	2402	-14971	4.35162291666667
 11	c641	c641	18:04:ED:37:C6:41	2090	4616	1997	-40665	5.07591391714942
 12	E8E6	E8E6	A4:DA:32:D4:E8:E6	2306	-88454	2418	-15140	4.2686494968089
 13	E73B	E73B	A4:DA:32:D4:E7:3B	2262	-564	2298	44746	4.35551198222141
@@ -16,8 +16,8 @@ no	device	y=ax+b	MAC	a+	b+	a-	b-	avg
 15	E871	E871	A4:DA:32:D4:E8:71	2175	-4549	2220	31468	4.60684608395208
 16	EFC4	EFC4	A4:DA:32:D4:EF:C4	2348	-4371	2374	-26606	4.45106768611704
 17	EF85	EF85	A4:DA:32:D4:EF:85	2136	-3339	2189	-30040	4.61909624778354
-18	E7DA	E7DA	A4:DA:32:D4:E7:DA	2081	-3015	2122	-21543	4.79766509652981
-19	E6EA	E6EA	A4:DA:32:D4:E6:EA	2039	-262	2127	-47259	4.79384458739747
+18	E7DA	E7DA	A4:DA:32:D4:E7:DA	2096	-10653	2054	-14255	3.73011080492424
+19	E6EA	E6EA	A4:DA:32:D4:E6:EA	2074	-13075	2031	-13585	3.77641447962488
 20	EEDB	EEDB	A4:DA:32:D4:EE:DB	2214	-1170	2351	-24636	4.44485358085645
 21	E73A	E73A	A4:DA:32:D4:E7:3A	2210	-4855	2339	-16434	4.47776494604746
 22	E6CF	E6CF	A4:DA:32:D4:E6:CF	2135	-5206	2193	-30885	4.73462680884304

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h

@@ -102,8 +102,8 @@ typedef enum {
     FLUSH_BUFFER2,      // clean SPI buffer twice
     READ_REG,           // read DBS register value, used after a "read" SPI instruction (MISO)
     READ_REG2,          // read DBS register value, used after a "read" SPI instruction (MISO)
-    END_TRANSMIT,       // read DBS register value, used after a "read" SPI instruction (MISO)
-    ONE_SHOT_SPI,       // end spi instruction
+    ONE_SHOT_FLUSH,       // read DBS register value, used after a "read" SPI instruction (MISO)
+    CONTI_SPI_WITH_FLUSH,       // end spi instruction
     READ_MOSI
 } SPI_CB_MODE;
 
@@ -119,6 +119,8 @@ static bool ConnectState = false;
 static bool ErrorRestart = false;
 static SPI_CB_MODE SPICallBack;
 static uint8 adc_spi_en_switch = 1;
+static bool rewrite_rec_en = false;
+static bool rewrite_sti_en = false;
 
 /*
 *  Let C = command, S = status;
@@ -214,7 +216,7 @@ extern ICall_Semaphore semaphore;
 // command return characteristic
 #define BLE_CDR_BUFF_CHAR SIMPLEPROFILE_CHAR2
 #define BLE_CDR_BUFF_SIZE SIMPLEPROFILE_CHAR2_LEN
-#define BLE_CDR_SAMLL_SIZE 10
+#define BLE_CDR_SMALL_SIZE 10
 
 // instruction input characteristic
 #define BLE_INS_BUFF_CHAR SIMPLEPROFILE_CHAR3
@@ -356,7 +358,7 @@ static uint16_t CONNECT_HANDLE = 0;
 /**
  * command instruction buffer
  */
-static uint8_t cdr_buf[BLE_CDR_SAMLL_SIZE] = {0};
+static uint8_t cdr_buf[BLE_CDR_SMALL_SIZE] = {0};
 
 /*====================
  ==== event table ====

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_cali_CIS.h

@@ -27,14 +27,14 @@ static void SendCaliValue(uint8_t CaliNumber){
 
 //    ch = 2 * (CaliNumber % 4);
 //    uint8_t gain_level = CaliNumber / 4;   // 0:gain, 1:offset
-    uint8_t channel_number = 8, index = 1;
+    uint8_t channel_number = 8, index = 2;
     uint8_t gain_level = 0;
 
     if(CaliNumber < 4){
         gain_level = CaliNumber;
     }
 
-    cali_buf[0] = CHIP_ID;
+    cali_buf[1] = CHIP_ID;
     for(int i=0 ; i<channel_number ; i++){
         cali_buf[index++] = (uint8_t) (CaliTable.Ch[i].Gain[gain_level] >> 8) & 0xFF;
         cali_buf[index++] = (uint8_t) CaliTable.Ch[i].Gain[gain_level] & 0x00FF;
@@ -42,9 +42,8 @@ static void SendCaliValue(uint8_t CaliNumber){
         cali_buf[index++] = (uint8_t) CaliTable.Ch[i].Offset[gain_level] & 0x00FF;
     }
 
-//    for(int i=1 ; i<BLE_CDR_BUFF_SIZE ; i++){
-//        cali_buf[i] = i;
-//    }
+    cali_buf[0] = index - 1;
+
     SimpleProfile_SetParameter(BLE_CDR_BUFF_CHAR, index, cali_buf);
 }
 

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_cali_sti.h

@@ -192,18 +192,18 @@ struct _StiCaliStiTable{
 
 #elif defined(BOARD_A4_DA_32_D4_E7_DA)
 {
-    .p_ch.coefficient = 2081,
-    .p_ch.offset = -3015,
-    .n_ch.coefficient = 2122,
-    .n_ch.offset = -21543
+    .p_ch.coefficient = 4834,
+    .p_ch.offset = -10653,
+    .n_ch.coefficient = 4628,
+    .n_ch.offset = -14255
 };
 
 #elif defined(BOARD_A4_DA_32_D4_E6_EA)
 {
-    .p_ch.coefficient = 2039,
-    .p_ch.offset = -262,
-    .n_ch.coefficient = 2127,
-    .n_ch.offset = -47259
+    .p_ch.coefficient = 4980,
+    .p_ch.offset = -13075,
+    .n_ch.coefficient = 4660,
+    .n_ch.offset = -13585
 };
 
 #elif defined(BOARD_A4_DA_32_D4_EE_DB)

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_cali_table.h

@@ -2,7 +2,7 @@
 #ifndef NEU_CALI_TABLE
 #define NEU_CALI_TABLE
 
-#define BOARD_TEST
+#define BOARD_A4_DA_32_D4_E7_DA
 
 typedef struct _SingleChannelCali{
     uint16_t Gain[4];
@@ -1673,70 +1673,70 @@ struct _CaliTable{
 #elif defined(BOARD_A4_DA_32_D4_E7_DA)
 {
     .DeviceName = "BOARD_A4_DA_32_D4_E7_DA",
-    .Ch[0].Gain[0] = 49,
-    .Ch[0].Offset[0] = -13,
-    .Ch[1].Gain[0] = 49,
+    .Ch[0].Gain[0] = 48,
+    .Ch[0].Offset[0] = -14,
+    .Ch[1].Gain[0] = 48,
     .Ch[1].Offset[0] = 26,
-    .Ch[2].Gain[0] = 49,
-    .Ch[2].Offset[0] = -14,
-    .Ch[3].Gain[0] = 49,
+    .Ch[2].Gain[0] = 48,
+    .Ch[2].Offset[0] = -15,
+    .Ch[3].Gain[0] = 48,
     .Ch[3].Offset[0] = 17,
-    .Ch[4].Gain[0] = 49,
-    .Ch[4].Offset[0] = 5,
-    .Ch[5].Gain[0] = 49,
-    .Ch[5].Offset[0] = -2,
-    .Ch[6].Gain[0] = 47,
-    .Ch[6].Offset[0] = -8,
-    .Ch[7].Gain[0] = 47,
-    .Ch[7].Offset[0] = -11,
-    .Ch[0].Gain[1] = 359,
-    .Ch[0].Offset[1] = -54,
-    .Ch[1].Gain[1] = 359,
+    .Ch[4].Gain[0] = 48,
+    .Ch[4].Offset[0] = 4,
+    .Ch[5].Gain[0] = 48,
+    .Ch[5].Offset[0] = -3,
+    .Ch[6].Gain[0] = 46,
+    .Ch[6].Offset[0] = -9,
+    .Ch[7].Gain[0] = 46,
+    .Ch[7].Offset[0] = -12,
+    .Ch[0].Gain[1] = 354,
+    .Ch[0].Offset[1] = -55,
+    .Ch[1].Gain[1] = 355,
     .Ch[1].Offset[1] = 230,
-    .Ch[2].Gain[1] = 362,
-    .Ch[2].Offset[1] = -70,
-    .Ch[3].Gain[1] = 361,
-    .Ch[3].Offset[1] = 164,
-    .Ch[4].Gain[1] = 361,
-    .Ch[4].Offset[1] = 72,
-    .Ch[5].Gain[1] = 360,
+    .Ch[2].Gain[1] = 356,
+    .Ch[2].Offset[1] = -71,
+    .Ch[3].Gain[1] = 355,
+    .Ch[3].Offset[1] = 163,
+    .Ch[4].Gain[1] = 356,
+    .Ch[4].Offset[1] = 73,
+    .Ch[5].Gain[1] = 355,
     .Ch[5].Offset[1] = 22,
-    .Ch[6].Gain[1] = 345,
-    .Ch[6].Offset[1] = -23,
-    .Ch[7].Gain[1] = 345,
-    .Ch[7].Offset[1] = -39,
-    .Ch[0].Gain[2] = 1482,
-    .Ch[0].Offset[2] = -197,
-    .Ch[1].Gain[2] = 1372,
-    .Ch[1].Offset[2] = 946,
-    .Ch[2].Gain[2] = 1473,
-    .Ch[2].Offset[2] = -275,
-    .Ch[3].Gain[2] = 1443,
-    .Ch[3].Offset[2] = 686,
-    .Ch[4].Gain[2] = 1477,
-    .Ch[4].Offset[2] = 313,
-    .Ch[5].Gain[2] = 1479,
-    .Ch[5].Offset[2] = 104,
-    .Ch[6].Gain[2] = 1424,
-    .Ch[6].Offset[2] = -75,
-    .Ch[7].Gain[2] = 1436,
+    .Ch[6].Gain[1] = 336,
+    .Ch[6].Offset[1] = -21,
+    .Ch[7].Gain[1] = 335,
+    .Ch[7].Offset[1] = -37,
+    .Ch[0].Gain[2] = 1458,
+    .Ch[0].Offset[2] = -198,
+    .Ch[1].Gain[2] = 1347,
+    .Ch[1].Offset[2] = 944,
+    .Ch[2].Gain[2] = 1455,
+    .Ch[2].Offset[2] = -271,
+    .Ch[3].Gain[2] = 1423,
+    .Ch[3].Offset[2] = 677,
+    .Ch[4].Gain[2] = 1454,
+    .Ch[4].Offset[2] = 320,
+    .Ch[5].Gain[2] = 1454,
+    .Ch[5].Offset[2] = 106,
+    .Ch[6].Gain[2] = 1369,
+    .Ch[6].Offset[2] = -65,
+    .Ch[7].Gain[2] = 1381,
     .Ch[7].Offset[2] = -134,
-    .Ch[0].Gain[3] = 2821,
-    .Ch[0].Offset[3] = -357,
-    .Ch[1].Gain[3] = 1262,
-    .Ch[1].Offset[3] = 1440,
-    .Ch[2].Gain[3] = 2746,
-    .Ch[2].Offset[3] = -506,
-    .Ch[3].Gain[3] = 1934,
-    .Ch[3].Offset[3] = 1131,
-    .Ch[4].Gain[3] = 2659,
-    .Ch[4].Offset[3] = 576,
-    .Ch[5].Gain[3] = 2873,
-    .Ch[5].Offset[3] = 212,
-    .Ch[6].Gain[3] = 2770,
-    .Ch[6].Offset[3] = -142,
-    .Ch[7].Gain[3] = 2764,
-    .Ch[7].Offset[3] = -239
+    .Ch[0].Gain[3] = 2775,
+    .Ch[0].Offset[3] = -362,
+    .Ch[1].Gain[3] = 1257,
+    .Ch[1].Offset[3] = 1442,
+    .Ch[2].Gain[3] = 2713,
+    .Ch[2].Offset[3] = -503,
+    .Ch[3].Gain[3] = 1929,
+    .Ch[3].Offset[3] = 1125,
+    .Ch[4].Gain[3] = 2621,
+    .Ch[4].Offset[3] = 580,
+    .Ch[5].Gain[3] = 2834,
+    .Ch[5].Offset[3] = 206,
+    .Ch[6].Gain[3] = 2698,
+    .Ch[6].Offset[3] = -115,
+    .Ch[7].Gain[3] = 2690,
+    .Ch[7].Offset[3] = -250
 };
 
 #elif defined(BOARD_A4_DA_32_D4_E6_EA)

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_check_ins.h

@@ -27,7 +27,7 @@ static void check_register(uint8_t register_to_check, uint16_t instruction_to_fi
         check_reg_counter = 0;
         if(check_ins(instruction_to_fit)){
             NEULIVE_STATE.state = next_state;
-            SPICallBack = ONE_SHOT_SPI;
+            SPICallBack = CONTI_SPI_WITH_FLUSH;
 
             // update rec_sti_command
             if(!(rec_sti_command & ENABLE_STI)){
@@ -70,7 +70,7 @@ static void check_register(uint8_t register_to_check, uint16_t instruction_to_fi
                 IsFirstData = true;
             }
 
-            SPICallBack = ONE_SHOT_SPI;
+            SPICallBack = CONTI_SPI_WITH_FLUSH;
             ReopenSPI();
         }
         headstage_spi_transaction(3);
@@ -167,7 +167,7 @@ static void check_sti_t1_t5(NEU_WORK_STATE next_state){
     else{
         NEULIVE_STATE.state       = next_state;
     }
-    SPICallBack = ONE_SHOT_SPI;
+    SPICallBack = CONTI_SPI_WITH_FLUSH;
     headstage_spi_transaction(3);
 }
 

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_dbs_object.h

@@ -0,0 +1,214 @@
+
+#ifndef DBS_OBJECT_H
+#define DBS_OBJECT_H
+
+#include "neu/headstage_spi.h"
+
+#define SYS_RESERVED_INDEX       0
+#define SYS_GENERAL_ENABLE_INDEX 1
+#define SYS_LNA_BIOS1_INDEX      2
+#define SYS_LNA_BIOS2_INDEX      3
+#define SYS_STI_CLK_RATIO_INDEX  4
+
+#define REC_CHANNEL_INDEX      0
+#define REC_GAIN_INDEX         1
+#define REC_ADC_CLOCK_INDEX    2
+
+#define STI_ENABLE_INDEX        0
+#define STI_AMP_POS_INDEX       1
+#define STI_AMP_NEG_INDEX       2
+#define STI_POLARITY_INDEX      3
+#define STI_CYCLE_CH01_INDEX    4
+#define STI_CYCLE_CH23_INDEX    5
+#define STI_CYCLE_CH45_INDEX    6
+#define STI_CYCLE_CH67_INDEX    7
+#define STI_CLK_RATIO_INDEX     8
+#define STI_ARBITRARY_EN_INDEX  9
+#define STI_MODE_INDEX         10
+#define STI_DURATION0_INDEX    11
+#define STI_DURATION1_INDEX    12
+#define STI_DURATION2_INDEX    13
+#define STI_DURATION3_INDEX    14
+
+//#define DBS_REGISTER                                            \
+//    uint8_t address;                                            \
+//    void (*write_reg) (DBSRegister *self, uint32_t reg_value);  \
+//    uint32_t (*read_reg) (DBSRegister *self)
+
+typedef struct _DBSRegister{
+    uint8_t address;
+    bool WriteRegister, CheckRegister;
+    void (*write_reg) (uint8_t self_address, uint16_t reg_value);
+    void (*read_reg) (struct  _DBSRegister *self);
+}DBSRegister;
+
+void write_reg(uint8_t self_address, uint16_t reg_value){
+    spi_txbuf[0] = 0x80 | self_address;
+    spi_txbuf[1] = (reg_value >> 8) & 0xFF ;
+    spi_txbuf[2] = reg_value & 0xFF;
+
+//    self->WriteRegister = false;
+//    self->CheckRegister = true;
+
+    SPICallBack = CONTI_SPI_WITH_FLUSH;
+    headstage_spi_transaction(SPI_BUFFER_SIZE);
+}
+
+void read_reg(DBSRegister *self){
+    spi_txbuf[0] = 0x7F & self->address;
+    spi_txbuf[1] = 0; // it's don't care actually
+    spi_txbuf[2] = 0; // it's don't care actually
+    SPICallBack = READ_REG;
+    headstage_spi_transaction(SPI_BUFFER_SIZE);
+}
+
+static uint16_t sys_register_default_value[5] = {
+    0x0000,
+    0x40F2,
+    0x0210,
+    0x4210,
+    0x0002
+};
+
+static uint16_t rec_register_value[3];
+static uint16_t sti_register_value[43];
+static uint16_t fast_settle_param[43];
+static void init_fast_settle();
+
+static DBSRegister sys_register[5];
+static DBSRegister rec_register[3];
+static DBSRegister sti_register[43];
+
+static void InitSysRegister(){
+    sys_register[SYS_RESERVED_INDEX].address = 0x00;
+    sys_register[SYS_GENERAL_ENABLE_INDEX].address = 47; // general enable
+    sys_register[SYS_LNA_BIOS1_INDEX].address = 57;
+    sys_register[SYS_LNA_BIOS2_INDEX].address = 58;
+    sys_register[SYS_STI_CLK_RATIO_INDEX].address = 52;
+
+    for(int i=0 ; i<sizeof(sys_register)/sizeof(DBSRegister) ; i++){
+        sys_register[i].WriteRegister = false;
+        sys_register[i].CheckRegister = false;
+        sys_register[i].write_reg = &write_reg;
+        sys_register[i].read_reg = &read_reg;
+    }
+}
+
+static void InitRecRegister(){
+    rec_register[REC_CHANNEL_INDEX].address = 48;
+    rec_register[REC_GAIN_INDEX].address = 49;
+    rec_register[REC_ADC_CLOCK_INDEX].address = 51;     // sampling rate
+
+    for(int i=0 ; i<sizeof(rec_register)/sizeof(DBSRegister) ; i++){
+        rec_register[i].WriteRegister = false;
+        rec_register[i].CheckRegister = false;
+        rec_register[i].write_reg = &write_reg;
+        rec_register[i].read_reg = &read_reg;
+    }
+
+    rec_register_value[REC_CHANNEL_INDEX] = 0;
+    rec_register_value[REC_GAIN_INDEX] = 1;
+    rec_register_value[REC_ADC_CLOCK_INDEX] = 100;
+}
+
+static void InitStiRegister(){
+    sti_register[STI_ENABLE_INDEX].address = 46;
+    sti_register[STI_AMP_POS_INDEX].address = 37;
+    sti_register[STI_AMP_NEG_INDEX].address = 38;
+    sti_register[STI_POLARITY_INDEX].address = 40;
+    sti_register[STI_CYCLE_CH01_INDEX].address = 42;
+    sti_register[STI_CYCLE_CH23_INDEX].address = 43;
+    sti_register[STI_CYCLE_CH45_INDEX].address = 44;
+    sti_register[STI_CYCLE_CH67_INDEX].address = 45;
+    sti_register[STI_CLK_RATIO_INDEX].address = 52;
+    sti_register[STI_ARBITRARY_EN_INDEX].address = 54;
+    sti_register[STI_MODE_INDEX].address = 56;
+
+    for(int ch=0 ; ch<8 ; ch++){
+        sti_register[ch*4 + STI_DURATION0_INDEX].address = ch*4 + 1;
+        sti_register[ch*4 + STI_DURATION1_INDEX].address = ch*4 + 2;
+        sti_register[ch*4 + STI_DURATION2_INDEX].address = ch*4 + 3;
+        sti_register[ch*4 + STI_DURATION3_INDEX].address = ch*4 + 4;
+    }
+
+    for(int i=0 ; i<sizeof(sti_register)/sizeof(DBSRegister) ; i++){
+        sti_register[i].WriteRegister = false;
+        sti_register[i].CheckRegister = false;
+        sti_register[i].write_reg = &write_reg;
+        sti_register[i].read_reg = &read_reg;
+    }
+
+    sti_register_value[STI_AMP_POS_INDEX] = 1;
+    sti_register_value[STI_AMP_NEG_INDEX] = 1;
+}
+
+static void InitDBSRegister(){
+    InitSysRegister();
+    InitRecRegister();
+    InitStiRegister();
+    init_fast_settle();
+
+    for(int i=1 ; i<sizeof(sys_register)/sizeof(DBSRegister) ; i++){
+        sys_register[i].WriteRegister = true;
+    }
+
+    sys_register[0].CheckRegister = true;
+    sys_register[0].write_reg(sys_register[0].address, sys_register_default_value[0]);
+//    flag_notify(EVT_NEU_SPI);
+}
+
+static void ResetDBSRegister(){
+    for(int i=0 ; i<sizeof(sys_register)/sizeof(DBSRegister) ; i++){
+        sys_register[i].WriteRegister = false;
+        sys_register[i].CheckRegister = false;
+        sys_register[i].write_reg = &write_reg;
+        sys_register[i].read_reg = &read_reg;
+    }
+
+    for(int i=0 ; i<sizeof(rec_register)/sizeof(DBSRegister) ; i++){
+        rec_register[i].WriteRegister = false;
+        rec_register[i].CheckRegister = false;
+        rec_register[i].write_reg = &write_reg;
+        rec_register[i].read_reg = &read_reg;
+    }
+
+    for(int i=0 ; i<sizeof(sti_register)/sizeof(DBSRegister) ; i++){
+        sti_register[i].WriteRegister = false;
+        sti_register[i].CheckRegister = false;
+        sti_register[i].write_reg = &write_reg;
+        sti_register[i].read_reg = &read_reg;
+    }
+}
+
+static uint16_t fast_settle_param[43];
+static void init_fast_settle(){
+    uint8_t ch = 7;
+    uint8_t t1=25, t2=0, t3=25 , t4=0, t5=0;
+
+    // setting t1~t5
+    fast_settle_param[ch*4 + STI_DURATION0_INDEX] = (t2 & 0x003F) << 10 | (t1 & 0x03FF);
+    fast_settle_param[ch*4 + STI_DURATION1_INDEX] = (t4 & 0x0003) << 14 | (t3 & 0x03FF)  << 4 | (t2 & 0x03C0) >> 6;
+    fast_settle_param[ch*4 + STI_DURATION2_INDEX] = (t4 & 0x0007FFFC) >> 2;
+    fast_settle_param[ch*4 + STI_DURATION3_INDEX] = t5;
+
+    // cycle number
+    fast_settle_param[STI_CYCLE_CH67_INDEX] = 10 << 8 | 0;
+
+    // set polarity, it's don't care in fast settle
+    fast_settle_param[STI_POLARITY_INDEX] = 0;
+
+    // set stimulate mode
+    fast_settle_param[STI_MODE_INDEX] = 0;
+//            INSTRUCTION.sti_mode             = 0;   // 1 = continuous mode; 0 = limit mode
+//            INSTRUCTION.sti_h_bridge         = 0;   // voltage sti must use H-bridge
+//            INSTRUCTION.sti_ref              = 0;   // 1 = GND; 0 = Vref
+
+    // using minimum amplitude
+    fast_settle_param[STI_AMP_POS_INDEX] = 0;
+    fast_settle_param[STI_AMP_NEG_INDEX] = 0;
+
+    // using ch8 to fast settle
+    fast_settle_param[STI_ENABLE_INDEX] = 0b0000000010000000;  // 0bxxxx_xxxv_cccc_cccc, c = current; v = volt, x = don't care
+}
+
+#endif

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_sti_cali.h

@@ -6,7 +6,7 @@
 
 static uint16_t UserCode2StiCode(uint16_t amp, uint8_t positive_ch){
     // get real current value (uA)
-    uint32_t sti_code, real_amp = amp * 5;
+    int32_t sti_code, real_amp = amp * 5;
 
     if(StiCaliTable.p_ch.coefficient == 10000 && StiCaliTable.p_ch.offset == 0){
         return amp;
@@ -15,15 +15,29 @@ static uint16_t UserCode2StiCode(uint16_t amp, uint8_t positive_ch){
         return amp;
     }
 
-    // trans into sti code
-    if(positive_ch){
-        sti_code = StiCaliTable.p_ch.coefficient * real_amp + StiCaliTable.p_ch.offset;
+    if(real_amp < 200){
+       sti_code = 2023 * real_amp -4170;
+    }
+    else if(real_amp <500){
+        sti_code = 2077 * real_amp - 11729;
     }
     else{
-        sti_code = StiCaliTable.n_ch.coefficient * real_amp + StiCaliTable.n_ch.offset;
+        sti_code = 2096 * real_amp - 45970;
     }
 
-    sti_code = sti_code / 10000;
+    // trans into sti code
+//    if(positive_ch){
+//        sti_code = StiCaliTable.p_ch.coefficient * real_amp + StiCaliTable.p_ch.offset;
+//    }
+//    else{
+//        sti_code = StiCaliTable.n_ch.coefficient * real_amp + StiCaliTable.n_ch.offset;
+//    }
+
+    if(sti_code <= 10000){
+        sti_code = 10000;
+    }
+
+    sti_code = (sti_code+5000) / 10000;
     return (uint16_t) (sti_code);
 }
 

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_version.h

@@ -2,16 +2,16 @@
 #ifndef VERSION_DATE
 #define VERSION_DATE
 
-#define VERSION_DATE_YEAR      20
-#define VERSION_DATE_MONTH     7
-#define VERSION_DATE_DAY       20
+#define VERSION_DATE_YEAR      21
+#define VERSION_DATE_MONTH     1
+#define VERSION_DATE_DAY       21
 #define VERSION_DATE_HOUR      17
-#define VERSION_DATE_MINUTE    48
+#define VERSION_DATE_MINUTE    39
 
 // this is NOT the version hash !!
 // it's the last version hash
-#define VERSION_HASH           81d5d86890d1da5dfb3ccc7e1756261c3ecbf485
-#define VERSION_GIT_BRANCH     Neulive20_developement_linux
+#define VERSION_HASH           dd9f64662e1a9a993a1c28c18256d230f429f8ac
+#define VERSION_GIT_BRANCH     neulive2_E7DA_special_version
 
 static void get_board_name(char *board_name_ch, uint8 *board_name_int, uint8 name_size){
     uint8 name_offset = 18;

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/neu/headstage_notify.h

@@ -8,11 +8,60 @@
 #error "headstage/headstage_notify.h not included"
 #endif
 
+#include "headstage_dbs_object.h"
+
 #define NOT_BUF_OFFSET_INIT 8
 
 static uint8_t not_buf_offset = NOT_BUF_OFFSET_INIT;
 static uint32_t not_time_stamp = 0;
 
+static void headstage_notify_set_timestamp();
+static void headstage_notify_flip_buffer();
+static uint8_t headstage_notify_append_data(uint8_t *data_value);
+
+/**
+ *   @fn headstage_neu_append_notify_data
+ */
+#define CHANNEL_VALID (INSTRUCTION.recording_channel & (0x0001 << channel))
+static void headstage_neu_append_notify_data() {
+
+    uint8_t channel = spi_rxbuf[0];
+
+    // close-reopen SPI, if the first channel received is invalid
+    if(IsFirstData){
+        // start record
+        if((INSTRUCTION.recording_channel & (0x0001 << channel)) && (channel < 16)){
+            IsFirstData = false;
+        }
+        // restart SPI
+        else{
+            SPI_close(headstage_spi_handle);
+            ReopenSPI();
+            IsFirstData = true;
+            return;
+        }
+    }
+
+    // discard illegal channel
+    uint16_t valid_channel = INSTRUCTION.recording_channel & (0x0001 << channel);
+    if(!(INSTRUCTION.recording_channel & (0x0001 << channel)) || (channel > 15)){
+        // illegal channel
+        return;
+    }
+
+    uint8_t not_buf[2];
+    not_buf[0] = (channel & 0x0F) << 4 | (spi_rxbuf[1] & 0x0F);
+    not_buf[1] = spi_rxbuf[2];
+
+    uint8_t data_size = headstage_notify_append_data(not_buf);
+
+    if (data_size >= BLE_NOT_BUFF_SIZE) {
+        headstage_notify_flip_buffer();
+        headstage_notify_send();
+    }
+}
+
+
 static void headstage_notify_set_timestamp() {
     not_time_stamp = headstage_time_stamp_us();
 
@@ -23,7 +72,7 @@ static void headstage_notify_set_timestamp() {
 }
 
 static void headstage_notify_flip_buffer() {
-    uint8_t data_count = (not_buf_offset - NOT_BUF_OFFSET_INIT) / 3;
+    uint8_t data_count = (not_buf_offset - NOT_BUF_OFFSET_INIT) / 2;
 
     headstage_notify_buffer[0] = CHIP_ID;
     headstage_notify_buffer[1] = data_count;
@@ -40,11 +89,9 @@ static uint8_t headstage_notify_append_data(uint8_t *data_value) {
     if (data_value == NULL) {
         headstage_notify_buffer[not_buf_offset++] = 0x00;
         headstage_notify_buffer[not_buf_offset++] = 0x00;
-        headstage_notify_buffer[not_buf_offset++] = 0x00;
     } else {
         headstage_notify_buffer[not_buf_offset++] = data_value[0];
         headstage_notify_buffer[not_buf_offset++] = data_value[1];
-        headstage_notify_buffer[not_buf_offset++] = data_value[2];
     }
 
     if (not_buf_offset >= BLE_NOT_BUFF_SIZE - 1) {

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/neu/headstage_reset.h

@@ -4,6 +4,7 @@
 
 #include "headstage_instruction.h"
 #include "neu/headstage_spi.h"
+#include "headstage_dbs_object.h"
 
 static void ResetINSTRUCTION();
 
@@ -25,7 +26,7 @@ static void MCUReset(){
         spi_txbuf[i] = 0;
         spi_rxbuf[i] = 0;
     }
-    SPICallBack  =   ONE_SHOT_SPI;
+    SPICallBack  =   CONTI_SPI_WITH_FLUSH;
     ReopenSPI();
 
     for(int i=0 ; i<SPI_LED_BUFF_SIZE ; i++){
@@ -33,7 +34,7 @@ static void MCUReset(){
     }
 
     // CIS buffer reset
-    for(int i=0 ; i<BLE_CDR_SAMLL_SIZE ; i++){
+    for(int i=0 ; i<BLE_CDR_SMALL_SIZE ; i++){
         cdr_buf[i] = 0;
     }
 
@@ -70,6 +71,7 @@ static void DBSReset(){
 static void Neu2Reset(){
     DBSReset();
     MCUReset();
+    InitDBSRegister();
 }
 
 static void ResetINSTRUCTION(){

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/neu/headstage_spi.h

@@ -120,4 +120,71 @@ static void AppendSPITX(uint8_t index, uint32_t value){
     }
 }
 
+/**
+ *  @fn headstage_spi_callback
+ *
+ *  description: callback function to deal with data transmission between DBS and CC2650
+ */
+static void headstage_spi_callback(SPI_Handle handle, SPI_Transaction* transaction) {
+    switch(SPICallBack){
+        case CONTINUOUS_TRANS:{
+            for(int i=0 ; i<SPI_BUFFER_SIZE ; i++){
+               spi_txbuf[i] = 0x00;
+            }
+            flag_notify(EVT_NEU_SPI);
+            break;
+        }
+        case FLUSH_BUFFER:{
+            SPICallBack = FLUSH_BUFFER2;
+            for(int i=0 ; i<SPI_BUFFER_SIZE ; i++){
+                spi_txbuf[i] = 0x00;
+            }
+            headstage_spi_transaction(SPI_BUFFER_SIZE);
+            break;
+        }
+        case FLUSH_BUFFER2:{
+           SPICallBack = CONTI_SPI_WITH_FLUSH;
+           for(int i=0 ; i<SPI_BUFFER_SIZE ; i++){
+               spi_txbuf[i] = 0x00;
+           }
+           flag_notify(EVT_NEU_SPI);
+//           headstage_spi_transaction(SPI_BUFFER_SIZE);
+           break;
+       }
+        case CONTI_SPI_WITH_FLUSH:{
+            SPICallBack = FLUSH_BUFFER;
+            for(int i=0 ; i<SPI_BUFFER_SIZE ; i++){
+                spi_txbuf[i] = 0x00;
+            }
+            headstage_spi_transaction(SPI_BUFFER_SIZE);
+            break;
+        }
+
+        case READ_MOSI:{
+            flag_notify(EVT_NEU_SPI);
+            break;
+        }
+
+        case READ_REG:{
+            check_reg_counter ++;
+            flag_notify(EVT_NEU_SPI);
+            break;
+        }
+
+        case CLOSE_SPI:{
+            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPI_close(headstage_spi_handle);
+            break;
+        }
+
+        case ONE_SHOT_FLUSH:{
+            tx_put_u24(0, 0);
+            break;
+        }
+        default:{
+            break;
+        }
+    }
+}
+
 #endif

simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/simple_peripheral.c

@@ -561,6 +561,7 @@ static void SimpleBLEPeripheral_taskFxn(UArg a0, UArg a1) {
     headstage_init_device_info();
 
     headstage_init();
+    InitDBSRegister();
 
     for (;;) {
         // Waits for a signal to the semaphore associated with the calling thread.

simplelink/ble_sdk_2_02_02_25/src/profiles/simple_profile/simple_gatt_profile.h

@@ -82,7 +82,8 @@ extern "C" {
 
 // Length of Characteristic 5 in bytes
 #define SIMPLEPROFILE_CHAR1_LEN 2
-#define SIMPLEPROFILE_CHAR2_LEN 50
+//#define SIMPLEPROFILE_CHAR2_LEN 50
+#define SIMPLEPROFILE_CHAR2_LEN 34
 #define SIMPLEPROFILE_CHAR3_LEN 20
 #define SIMPLEPROFILE_CHAR4_LEN 200
 //#define SIMPLEPROFILE_CHAR4_LEN 20