Central_NeuLive: thres with division

10Hz and 20Hz cannot separate
     0.5mV    freq:(1 5 10 20 40 50)Hz = LED(0 0 1 1 0 0)
BUT  1-mV     freq:(2.5 4 5)Hz , LED=0
     0.375-mV freq:(7.5  15)Hz , LED=0

simplelink/ble_sdk_2_02_02_25/examples/cc2650em/simple_peripheral/ccs/app/.launches/simple_peripheral_cc2650em_app.launch

@@ -2,17 +2,17 @@
 <launchConfiguration type="com.ti.ccstudio.debug.launchType.device.debugging">
 <stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_DEBUGGER_PROPERTIES.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS100v3 USB Debug Probe_0/Cortex_M3_0" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot; ?&gt;&#10;&lt;PropertyValues&gt;&#10;&#10;  &lt;property id=&quot;ConnectOnStartup&quot;&gt;&#10;    &lt;curValue&gt;1&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;  &lt;property id=&quot;EnableInstalledBreakpoint&quot;&gt;&#10;    &lt;curValue&gt;1&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;  &lt;property id=&quot;IgnoreSoftLaunchFailures&quot;&gt;&#10;    &lt;curValue&gt;0&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;&lt;/PropertyValues&gt;&#10;"/>
 <stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_DEBUGGER_PROPERTIES.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe/Cortex_M3_0" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot; ?&gt;&#10;&lt;PropertyValues&gt;&#10;&#10;  &lt;property id=&quot;ConnectOnStartup&quot;&gt;&#10;    &lt;curValue&gt;1&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;  &lt;property id=&quot;EnableInstalledBreakpoint&quot;&gt;&#10;    &lt;curValue&gt;1&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;  &lt;property id=&quot;IgnoreSoftLaunchFailures&quot;&gt;&#10;    &lt;curValue&gt;0&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;&lt;/PropertyValues&gt;&#10;"/>
-<stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_DEBUGGER_PROPERTIES.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe_0/Cortex_M3_0" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot; ?&gt;&#10;&lt;PropertyValues&gt;&#10;&#10;  &lt;property id=&quot;ConnectOnStartup&quot;&gt;&#10;    &lt;curValue&gt;1&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;  &lt;property id=&quot;EnableInstalledBreakpoint&quot;&gt;&#10;    &lt;curValue&gt;1&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;  &lt;property id=&quot;IgnoreSoftLaunchFailures&quot;&gt;&#10;    &lt;curValue&gt;0&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;&lt;/PropertyValues&gt;&#10;"/>
+<stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_DEBUGGER_PROPERTIES.CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe_0/Cortex_M3_0" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot; ?&gt;&#10;&lt;PropertyValues&gt;&#10;&#10;  &lt;property id=&quot;ConnectOnStartup&quot;&gt;&#10;    &lt;curValue&gt;1&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;  &lt;property id=&quot;EnableInstalledBreakpoint&quot;&gt;&#10;    &lt;curValue&gt;1&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;  &lt;property id=&quot;IgnoreSoftLaunchFailures&quot;&gt;&#10;    &lt;curValue&gt;0&lt;/curValue&gt;&#10;  &lt;/property&gt;&#10;&#10;&lt;/PropertyValues&gt;&#10;"/>
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 <stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_PROGRAM.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe/Cortex_M3_0" value="${build_artifact:simple_peripheral_cc2650em_app}"/>
-<stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_PROGRAM.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe_0/Cortex_M3_0" value="${build_artifact:simple_peripheral_cc2650em_app}"/>
+<stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_PROGRAM.CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe_0/Cortex_M3_0" value="${build_artifact:simple_peripheral_cc2650em_app}"/>
 <stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_PROJECT.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS100v3 USB Debug Probe_0/Cortex_M3_0" value="simple_peripheral_cc2650em_app"/>
 <stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_PROJECT.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe/Cortex_M3_0" value="simple_peripheral_cc2650em_app"/>
-<stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_PROJECT.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe_0/Cortex_M3_0" value="simple_peripheral_cc2650em_app"/>
+<stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_PROJECT.CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe_0/Cortex_M3_0" value="simple_peripheral_cc2650em_app"/>
 <stringAttribute key="com.ti.ccstudio.debug.debugModel.ATTR_TARGET_CONFIG" value="${target_config_active_default:simple_peripheral_cc2650em_app}"/>
 <stringAttribute key="com.ti.ccstudio.debug.debugModel.MRU_PROGRAM.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS100v3 USB Debug Probe_0/Cortex_M3_0" value="C:/ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\FlashROM\simple_peripheral_cc2650em_app.out"/>
 <stringAttribute key="com.ti.ccstudio.debug.debugModel.MRU_PROGRAM.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe/Cortex_M3_0" value="C:/ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\FlashROM\simple_peripheral_cc2650em_app.out"/>
-<stringAttribute key="com.ti.ccstudio.debug.debugModel.MRU_PROGRAM.C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\targetConfigs\CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe_0/Cortex_M3_0" value="C:/ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\FlashROM\simple_peripheral_cc2650em_app.out"/>
+<stringAttribute key="com.ti.ccstudio.debug.debugModel.MRU_PROGRAM.CC2650F128.ccxml.Texas Instruments XDS110 USB Debug Probe_0/Cortex_M3_0" value="C:\ti\simplelink\ble_sdk_2_02_02_25\examples\cc2650em\simple_peripheral\ccs\app\FlashROM\simple_peripheral_cc2650em_app.out"/>
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
 <listEntry value="/simple_peripheral_cc2650em_app"/>
 </listAttribute>

simplelink/ble_sdk_2_02_02_25/src/boards/BOOSTXL_CC2650MA/BOOSTXL_CC2650MA.h

@@ -146,6 +146,7 @@ extern const PIN_Config BoardGpioInitTable[];
 #define Board_GLED                     PIN_UNASSIGNED                      /* Green LED */
 #define Board_RLED                     PIN_UNASSIGNED                      /* Red LED */
 
+
 /* UART Board */
 #define Board_UART_TX                  Board_BP_UART_Rx          /* RXD */
 #define Board_UART_RX                  Board_BP_UART_Tx          /* TXD */

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

@@ -103,7 +103,7 @@ typedef enum {
     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)
-    CONTI_SPI_WITH_FLUSH,       // end spi instruction
+    ONE_SHOT_SPI,       // end spi instruction
     READ_MOSI
 } SPI_CB_MODE;
 

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

@@ -2,7 +2,9 @@
 #ifndef NEU_CALI_TABLE
 #define NEU_CALI_TABLE
 
-#define BOARD_TEST
+//  define Device_Name if "BOARD_TEST" as default
+//  else find headstage ID
+#define BOARD_18_04_ED_37_C6_41
 
 typedef struct _SingleChannelCali{
     uint16_t Gain[4];

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 = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
 
             // 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 = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
             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 = CONTI_SPI_WITH_FLUSH;
+    SPICallBack = ONE_SHOT_SPI;
     headstage_spi_transaction(3);
 }
 

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

@@ -8,7 +8,6 @@
 #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
@@ -46,7 +45,7 @@ void write_reg(DBSRegister *self, uint16_t reg_value){
     spi_txbuf[0] = 0x80 | self->address;
     spi_txbuf[1] = (reg_value >> 8) & 0xFF ;
     spi_txbuf[2] = reg_value & 0xFF;
-    SPICallBack = CONTI_SPI_WITH_FLUSH;
+    SPICallBack = ONE_SHOT_SPI;
     headstage_spi_transaction(SPI_BUFFER_SIZE);
 }
 
@@ -59,17 +58,16 @@ void read_reg(DBSRegister *self){
 }
 
 
-static uint16_t sys_register_default_value[5] = {
+static uint16_t sys_register_default_value[4] = {
     0x0000,
     0x40F2,
     0x0210,
-    0x4210,
-    0x0002
+    0x4210
 };
 static uint16_t rec_register_value[3];
 static uint16_t sti_register_value[43];
 
-static DBSRegister sys_register[5];
+static DBSRegister sys_register[4];
 static DBSRegister rec_register[3];
 static DBSRegister sti_register[43];
 
@@ -78,7 +76,6 @@ static void InitSysRegister(){
     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;
@@ -135,7 +132,7 @@ static void InitDBSRegister(){
     InitStiRegister();
 
 //    for(int i=1 ; i<sizeof(sys_register)/sizeof(DBSRegister) ; i++){
-    for(int i=1 ; i<5 ; i++){
+    for(int i=1 ; i<4 ; i++){
         sys_register[i].WriteRegister = true;
     }
     flag_notify(EVT_NEU_SPI);

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

@@ -644,7 +644,7 @@ static void headstage_update_vis_instruction(uint8_t vis_oper) {
                 FlushNotify();
             }
             NEULIVE_STATE.state = NEU_RST;
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
             flag_notify(EVT_NEU_SPI);
             /**< stop spi transaction */
             break; /**< reset all the parameter */
@@ -726,7 +726,7 @@ static void headstage_update_vis_instruction(uint8_t vis_oper) {
             }
 
             NEULIVE_STATE.config_type = NEU_WARM_UP;
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
 
             // is neu wording now?
             if( (rec_sti_command & STATUS_STI) || (rec_sti_command & STATUS_REC) ){
@@ -745,7 +745,7 @@ static void headstage_update_vis_instruction(uint8_t vis_oper) {
                 INSTRUCTION.ins_opcode = BIAS_ONE;
 
                 NEULIVE_STATE.config_type = NEU_WARM_UP;
-                SPICallBack = CONTI_SPI_WITH_FLUSH;
+                SPICallBack = ONE_SHOT_SPI;
 
                 // is neu wording now?
                 if( (rec_sti_command & STATUS_STI) || (rec_sti_command & STATUS_REC) ){
@@ -763,7 +763,7 @@ static void headstage_update_vis_instruction(uint8_t vis_oper) {
                 rec_sti_command |= ENABLE_STI;
                 NEULIVE_STATE.state = NEU_WRITE_STI_INS;
                 NEULIVE_STATE.config_type = NEU_WARM_UP;
-                SPICallBack = CONTI_SPI_WITH_FLUSH;
+                SPICallBack = ONE_SHOT_SPI;
                 INSTRUCTION.ins_opcode = T_ZE;
 
                 // is neu wording now?
@@ -810,7 +810,7 @@ static void headstage_update_vis_instruction(uint8_t vis_oper) {
             rec_sti_command &= ~ENABLE_REC;
             rec_sti_command &= ~ENABLE_STI;
 
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
             NEULIVE_STATE.state = NEU_IDLE;
             STI = false;
             Neu2Reset();
@@ -973,7 +973,7 @@ static void headstage_neu_state_spi() {
 
         /* recording */
         case NEU_WRITE_REC_INS: {
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
 
             nxt_ins                   = build_rec_ins(NEULIVE_STATE.config_type, &value); /**< set instruction one by one in order to set all the parameter.*/
             NEULIVE_STATE.config_type = nxt_ins;
@@ -1027,7 +1027,7 @@ static void headstage_neu_state_spi() {
             value = (0x01 << 23) | (0x33 << 16) | INSTRUCTION.adc_clock_ratio;
             AppendSPITX(0, value);
 
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
             NEULIVE_STATE.state = NEU_CHECK_SAMPLE_RATE;
             headstage_spi_transaction(3);
             break;
@@ -1041,7 +1041,7 @@ static void headstage_neu_state_spi() {
 
         case NEU_PREPARE_READ:{
             if(spi_state_counter < 6){
-                SPICallBack = CONTI_SPI_WITH_FLUSH;
+                SPICallBack = ONE_SHOT_SPI;
                 NEULIVE_STATE.state = NEU_PREPARE_READ;
                 spi_state_counter ++;
                 AppendSPITX(0, 0);
@@ -1072,7 +1072,7 @@ static void headstage_neu_state_spi() {
                 // go to send sti instruction
                 NEULIVE_STATE.state = NEU_WRITE_STI_INS;
                 NEULIVE_STATE.config_type = NEU_WARM_UP;
-                SPICallBack = CONTI_SPI_WITH_FLUSH;
+                SPICallBack = ONE_SHOT_SPI;
                 INSTRUCTION.ins_opcode = T_ZE;
 
                 AppendSPITX(0, 0);
@@ -1082,7 +1082,7 @@ static void headstage_neu_state_spi() {
             // disable stimulation
             else if( !(rec_sti_command & ENABLE_STI) && (rec_sti_command & STATUS_STI) ){
                 NEULIVE_STATE.state = NEU_STI_INT;
-                SPICallBack = CONTI_SPI_WITH_FLUSH;
+                SPICallBack = ONE_SHOT_SPI;
 
                 AppendSPITX(0, 0);
                 headstage_spi_transaction(SPI_BUFFER_SIZE);
@@ -1095,7 +1095,7 @@ static void headstage_neu_state_spi() {
 
                 if(rec_sti_command & STATUS_STI){
                     NEULIVE_STATE.state = NEU_STI;
-                    SPICallBack = CONTI_SPI_WITH_FLUSH;
+                    SPICallBack = ONE_SHOT_SPI;
 
                     AppendSPITX(0, 0);
                     headstage_spi_transaction(SPI_BUFFER_SIZE);
@@ -1111,7 +1111,7 @@ static void headstage_neu_state_spi() {
                         spi_txbuf[i] = 0;
                         spi_rxbuf[i] = 0;
                     }
-                    SPICallBack  =   CONTI_SPI_WITH_FLUSH;
+                    SPICallBack  =   ONE_SHOT_SPI;
                     ReopenSPI();
                     headstage_spi_transaction(SPI_BUFFER_SIZE);
                 }
@@ -1129,7 +1129,7 @@ static void headstage_neu_state_spi() {
 
         /* stimulation */
         case NEU_WRITE_STI_INS:{
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
 
             nxt_ins                   = build_sti_ins(NEULIVE_STATE.config_type, &value); /**< set instruction one by one in order to set all the parameter.*/
             NEULIVE_STATE.config_type = nxt_ins;
@@ -1181,7 +1181,7 @@ static void headstage_neu_state_spi() {
             value = (0x01 << 23) | (0x2E << 16) | INSTRUCTION.sti_channel;
             AppendSPITX(0, value);
 
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
             NEULIVE_STATE.state = NEU_STI_LED;
             headstage_spi_transaction(3);
             break;
@@ -1192,7 +1192,7 @@ static void headstage_neu_state_spi() {
 //            value = (0x01 << 23) | (0x2E << 16) | INSTRUCTION.sti_channel;
 //            AppendSPITX(0, value);
 //
-//            SPICallBack = CONTI_SPI_WITH_FLUSH;
+//            SPICallBack = ONE_SHOT_SPI;
 //            NEULIVE_STATE.state = NEU_CHECK_STI_CH;
 //            headstage_spi_transaction(3);
 //            break;
@@ -1209,7 +1209,7 @@ static void headstage_neu_state_spi() {
 
             headstage_led_control();
 
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
             AppendSPITX(0, 0);
             headstage_spi_transaction(SPI_BUFFER_SIZE);
             break;
@@ -1220,7 +1220,7 @@ static void headstage_neu_state_spi() {
             // recv disable sti command
             if(!(rec_sti_command & ENABLE_STI)){
                 NEULIVE_STATE.state = NEU_STI_INT;
-                SPICallBack = CONTI_SPI_WITH_FLUSH;
+                SPICallBack = ONE_SHOT_SPI;
 
                 AppendSPITX(0, 0);
                 headstage_spi_transaction(SPI_BUFFER_SIZE);
@@ -1230,7 +1230,7 @@ static void headstage_neu_state_spi() {
             else if(rec_sti_command & ENABLE_REC){
                 NEULIVE_STATE.state = NEU_WRITE_REC_INS;
                 NEULIVE_STATE.config_type = NEU_WARM_UP;
-                SPICallBack = CONTI_SPI_WITH_FLUSH;
+                SPICallBack = ONE_SHOT_SPI;
                 INSTRUCTION.ins_opcode = BIAS_ONE;
 
                 AppendSPITX(0, 0);
@@ -1250,7 +1250,7 @@ static void headstage_neu_state_spi() {
         // terminate stimulation
         case NEU_STI_INT: {
             NEULIVE_STATE.state = NEU_STI_INT_TWICE;
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
 
             value = (0x01 << 23) | (0x2E << 16) | 0;
             AppendSPITX(0, value);
@@ -1260,7 +1260,7 @@ static void headstage_neu_state_spi() {
 
         case NEU_STI_INT_TWICE: {
             NEULIVE_STATE.state = NEU_CHECK_STI_INT;
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
 
             value = (0x01 << 23) | (0x2E << 16) | 0;
             AppendSPITX(0, value);
@@ -1281,7 +1281,7 @@ static void headstage_neu_state_spi() {
 
         case NEU_LED:{
             NEULIVE_STATE.state = NEU_IDLE;
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
 
             AppendSPITX(0, 0);
             headstage_led_control();
@@ -1446,7 +1446,7 @@ static uint8_t check_register_value(DBSRegister *dbs_register, uint8_t reg_size,
                 }
                 else{
                     AppendSPITX(0, 0);
-                    SPICallBack = CONTI_SPI_WITH_FLUSH;
+                    SPICallBack = ONE_SHOT_SPI;
                     headstage_spi_transaction(SPI_BUFFER_SIZE);
                 }
             }
@@ -1477,7 +1477,7 @@ static void recording_handle(){
         headstage_led_control();
 
         if(rec_sti_command & STATUS_STI){
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
             AppendSPITX(0, 0);
             headstage_spi_transaction(SPI_BUFFER_SIZE);
         }
@@ -1490,7 +1490,7 @@ static void recording_handle(){
                 spi_txbuf[i] = 0;
                 spi_rxbuf[i] = 0;
             }
-            SPICallBack  =   CONTI_SPI_WITH_FLUSH;
+            SPICallBack  =   ONE_SHOT_SPI;
             ReopenSPI();
             headstage_spi_transaction(SPI_BUFFER_SIZE);
         }

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

@@ -3,15 +3,15 @@
 #define VERSION_DATE
 
 #define VERSION_DATE_YEAR      20
-#define VERSION_DATE_MONTH     11
-#define VERSION_DATE_DAY       13
-#define VERSION_DATE_HOUR      18
-#define VERSION_DATE_MINUTE    30
+#define VERSION_DATE_MONTH     10
+#define VERSION_DATE_DAY       26
+#define VERSION_DATE_HOUR      17
+#define VERSION_DATE_MINUTE    3
 
 // this is NOT the version hash !!
 // it's the last version hash
-#define VERSION_HASH           1cde4cfe026202aae24460eb1cf778477a9828e3
-#define VERSION_GIT_BRANCH     neulive_onchange_central_debug
+#define VERSION_HASH           764bd9364d7a99761ada31d35af557a39e1d65a4
+#define VERSION_GIT_BRANCH     neulive20_development_onchange_central
 
 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

@@ -9,9 +9,40 @@
 #endif
 
 #include "headstage_dbs_object.h"
-
 #define NOT_BUF_OFFSET_INIT 8
 
+#include "headstage_cali_table.h"
+
+static uint8_t          numFFT = 64;        // user define
+static uint8_t          step = 32;          // which is numFFT/2
+static uint8_t          stageFFT = 6;       // which is log2(numFFT)
+//static int twiddle_real[16] = {10000,  9238,  7071,  3826,  0,  -3827,  -7072,  -9239,  -10000,  -9239, \
+//                               -7072,  -3827,  -1,  3826,  7071,  9238};
+//
+//static int twiddle_imag[16] = { 0,  -3827,  -7072,  -9239,  -10000,  -9239,  -7072,  -3827,  -1,  3826, \
+//                                 7071,  9238,  10000,  9238,  7071,  3826};
+static int twiddle_real[64] = {10000, 9951, 9807, 9569, 9238, 8819, 8314, 7730, 7071, 6343, \
+                                5555, 4713, 3826, 2902, 1950, 980, 0, -981, -1951, -2903, \
+                                -3827, -4714, -5556, -6344, -7072, -7731, -8315, -8820, -9239, -9570, \
+                                -9808, -9952, -10000, -9952, -9808, -9570, -9239, -8820, -8315, -7731, \
+                                -7072, -6344, -5556, -4714, -3827, -2903, -1951, -981, -1, 980,\
+                                1950, 2902, 3826, 4713, 5555, 6343, 7071, 7730, 8314, 8819, \
+                                9238, 9569, 9807, 9951 };
+
+static int twiddle_imag[64] = { 0, -981, -1951, -2903, -3827, -4714, -5556, -6344, -7072, -7731, \
+                                -8315, -8820, -9239, -9570, -9808, -9952, -10000, -9952, -9808, -9570, \
+                                -9239, -8820, -8315, -7731, -7072, -6344, -5556, -4714, -3827, -2903, \
+                                -1951, -981, -1, 980, 1950, 2902, 3826, 4713, 5555, 6343, \
+                                7071, 7730, 8314, 8819, 9238, 9569, 9807, 9951, 10000, 9951, \
+                                9807, 9569, 9238, 8819, 8314, 7730, 7071, 6343, 5555, 4713, \
+                                3826, 2902, 1950, 980};
+
+static void FFT(int* pred_LFP, int* imag_LFP, int numFFT);
+static void BitReverse(int* BR_Array, int numFFT);
+static void CLP(int     raw_data);
+static int ADC_U2S( uint16_t unsigned_buff);
+
+
 static uint8_t not_buf_offset = NOT_BUF_OFFSET_INIT;
 static uint32_t not_time_stamp = 0;
 
@@ -49,10 +80,39 @@ static void headstage_neu_append_notify_data() {
         return;
     }
 
+    uint16_t        borshin_raw;
+    int16_t         borshin_a;
+    int16_t         borshin_b;
+    uint8_t         borshin_sample_rate;
+    int             borshin_real;
+    int             borshin_compute_data;
+    static uint8_t  borshin_sample_count;
+
     uint8_t not_buf[2];
     not_buf[0] = (channel & 0x0F) << 4 | (spi_rxbuf[1] & 0x0F);
     not_buf[1] = spi_rxbuf[2];
 
+    // Borshin FFT start here    <<<<<<<<<<<<<<<<<<<<---->>>>>>>>>>>>>>>>>>>>----------------------
+    borshin_sample_count = !borshin_sample_count;
+    if (borshin_sample_count){
+
+        borshin_raw = (spi_rxbuf[1]&0x0F)<<8 | spi_rxbuf[2];        //  range from [ FFF , 000 ]
+        borshin_a = CaliTable.Ch[channel].Gain[ rec_register_value[REC_CHANNEL_INDEX] ];
+        borshin_b = CaliTable.Ch[channel].Offset[ rec_register_value[REC_CHANNEL_INDEX] ];
+        borshin_real = (borshin_raw - 2048 - borshin_b)*1000/borshin_a;   //  range from +- someting [ no FFF , 000 ]
+        borshin_compute_data = borshin_real >> 10;
+        borshin_sample_rate = 2000000/10/rec_register_value[REC_ADC_CLOCK_INDEX];
+        //    if (borshin_raw<3450&&borshin_raw>600)
+        //        headstage_pin_output(PIN_CLP, 1);
+        //    else
+        //        headstage_pin_output(PIN_CLP, 0);
+        CLP( borshin_compute_data );    //  This function input is 12-bit value
+                                        //  the function will buffer 16-point then
+                                        //  perform 16-point FFT.
+                                        //  Afterwards, calculate sum of PSD then
+                                        //  decided if HVS happened. (GPIO_4)
+        // Borshin FFT END here    <<<<<<<<<<<<<<<<<<<<----------------------------->>>>>>>>>>>>>>>>>>>>
+    }
     uint8_t data_size = headstage_notify_append_data(not_buf);
 
     if (data_size >= BLE_NOT_BUFF_SIZE) {
@@ -108,3 +168,185 @@ static uint8_t headstage_notify_append_data(uint8_t *data_value) {
 }
 
 #endif  // HEADSTAGE_NOTIFY_TDC4VAF2_H
+
+
+
+/*********************************************************************
+ * @fn      FFT
+ *
+ * @brief   TI Cortex M3 doesn't have floating-point ALU, we have to do
+ *          fixed-point FFT. And in-place FFT because lack of RAM.
+ *
+ * @param   None.
+ *
+ * @return  None.
+ */
+static void FFT(int* pred_LFP, int* imag_LFP, int numFFT){
+    //    testing_sig = !testing_sig;
+    // uint8_t stageFFT = 6;    // static global log2(numFFT)
+    int l;
+    int product_real, product_imag;
+    int upfly_real, upfly_imag;
+    int downfly_real, downfly_imag;
+
+    for (int i=0; i<stageFFT; i++){
+        l = 1<<i;
+        for (int j=0; j<numFFT; j+=2*l){
+            for (int k=0; k<l; k++){
+                //printf("stage = %d , butterfly_top = %d ,  butterfly_down = %d ,   twiddle[%d] \n", i, j+k, j+k+l, NFFT*(k)/2/l);
+                product_real = pred_LFP[j+k+l] * twiddle_real[numFFT*(k)/2/l] \
+                             - imag_LFP[j+k+l] * twiddle_imag[numFFT*(k)/2/l];
+                product_imag = pred_LFP[j+k+l] * twiddle_imag[numFFT*(k)/2/l] \
+                             + imag_LFP[j+k+l] * twiddle_real[numFFT*(k)/2/l];
+
+                product_real = product_real/10000;  // left shift number =10 which is up to Int_twiddle-factor
+                product_imag = product_imag/10000;
+
+                upfly_real = pred_LFP[j+k] + product_real;
+                upfly_imag = imag_LFP[j+k] + product_imag;
+
+                downfly_real = pred_LFP[j+k] - product_real;
+                downfly_imag = imag_LFP[j+k] - product_imag;
+
+                pred_LFP[j+k] = upfly_real;
+                imag_LFP[j+k] = upfly_imag;
+
+                pred_LFP[j+k+l] = downfly_real;
+                imag_LFP[j+k+l] = downfly_imag;
+            }
+        }
+    }
+
+    return;
+}
+
+/*********************************************************************
+ * @fn      ADC_U2S
+ *
+ * @brief   ADC sample data in 12-bit which is FFF~000, but for FFT
+ *          it needs to be pulled back to +7FF to -7FF. These is based
+ *          on simulation result, which is like the function ADC_ISR()
+ *          in Ramesh or Remy's code. [ ADC_unsigned_2_signed ]
+ *
+ * @param   unsigned 16-bit input
+ *
+ * @return  signed 16-bit output ----_0000_0000_0000 ~ ----_1000_0000_0000
+ */
+static int ADC_U2S( uint16_t unsigned_buff){
+
+                            // 0x0FFF    ~    0x0000 (16-bit unsigned)
+    int         output;     // 0x07FF-0x0000 ~ 0x0FFF-0x0800
+                            // int is 32-bit 0x0000_0000
+    if ( unsigned_buff >= 0x00000800)
+        output = unsigned_buff - 0x00000800;
+    else
+        output = unsigned_buff | 0xFFFFF800;
+
+    return output;
+}
+
+/*********************************************************************
+ * @fn      BitReverse
+ *
+ * @brief   Do array Bit-Reverse before perform FFT
+ *
+ * @param   None.
+ *
+ * @return  None.
+ */
+static void BitReverse(int* BR_Array, int numFFT){
+
+
+    //  This BIR specify for 7-bit (0000_0000 ~ 0111_1111)
+    uint8_t     n=0;
+    int         tmp;
+
+    // for (uint8_t i=0; i<numFFT; i++){
+    //     n = i;                              // printf ("%d %d\n",i,n);
+    //     n = (n&0x0f)<<4  | (n&0xf0)>>4;     // 0123_4567 -> 4567_0123
+    //     n = (n&0x33)<<2  | (n&0xcc)>>2;     // 4567_0123 -> 6745_2301
+    //     n = (n&0xaa)<<2  | (n&0x55)>>1;     // 7856_3412 -> 7654_3210
+    //     n = n >> 1;                         // 7654_3210 -> 0765_4321
+    //     if (n>i){
+    //         tmp = BR_Array[n];
+    //         BR_Array[n] = BR_Array[i];
+    //         BR_Array[i] = tmp;
+    //     }
+    // }
+
+    //  This BIR specify for 6-bit (0000_0000 ~ 0011_1111)
+    for (uint8_t i=0; i<numFFT; i++){
+        n = i;                              // printf ("%d %d\n",i,n);
+        n = (n&0x07)<<3  | (n)>>3;          // 0012_3456 -> 0045_6123
+        n = (n&0x09)<<2  | (n&0x36)>>1;     // 0045_6123 -> 0064_5312
+        n = (n&0x09)<<1  | (n&0x12)>>1 | (n&0x24);     // 0064_5312 -> 0065_4321
+        if (n>i){
+            tmp = BR_Array[n];
+            BR_Array[n] = BR_Array[i];
+            BR_Array[i] = tmp;
+        }
+    }
+
+
+    return;
+}  // END Bit Reverse Order Sort
+
+/*********************************************************************
+ * @fn      CLP ( Closed LooP )
+ *
+ * @brief
+ *
+ * @param   None.
+ *
+ * @return  None.
+ */
+static void CLP(int     signed_real_data){
+
+    int                 signed_buff;
+    static int          accumu_sum;
+    static int          x_in[64];
+    static int          real[64];
+    static int          imag[64];
+    static int          count;
+    int                 abs_tmp;
+
+//    signed_buff = ADC_U2S(unsigned_real_data);
+    x_in[count] = signed_real_data;
+    real[count] = signed_real_data;
+    imag[count] = 0;
+    count++;
+    if (count >= numFFT){
+        BitReverse( real, numFFT);
+        FFT( real, imag, numFFT);
+        abs_tmp=0;
+        accumu_sum = 0;
+        for ( int i=0; i<numFFT; i++){
+            accumu_sum = accumu_sum + (real[i]*real[i]+imag[i]*imag[i]);
+            if (i>0){
+                if (i==1){
+                    abs_tmp = real[i]*real[i]+imag[i]*imag[i];
+                }
+                real[i-1] = x_in[i];
+                imag[i-1] = 0;
+                x_in[i-1] = x_in[i];
+            }
+        }
+        int   flag;
+        flag = abs_tmp*100/(accumu_sum>>1);
+        if (flag > 62 && flag < 65 ){
+            headstage_pin_output(PIN_CLP, 1);
+        }
+        else {
+            headstage_pin_output(PIN_CLP, 0);
+        }
+//        if (abs_tmp > 300000 ){
+//            headstage_pin_output(PIN_CLP, 1);
+//        }
+//        else {
+//            headstage_pin_output(PIN_CLP, 0);
+//        }
+        count--;
+    }
+
+    return;
+}

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

@@ -29,7 +29,8 @@
 #define PIN_LED_CLK             IOID_1  //  SPI1 clock
 #define PIN_DC_DC               IOID_2  //  STI select need
 #define PIN_EN_ADC_SPI_CLK      IOID_3  //
-#define PIN_BATT_HALF           IOID_4  //
+//#define PIN_BATT_HALF           IOID_4  //
+#define PIN_CLP                 IOID_4  //  cDBS detect HVS LED::also added in config table
 #define PIN_SPI_MISO            IOID_7  //
 #define PIN_SPI_MOSI            IOID_8  //
 #define PIN_SPI_CS              IOID_9  //
@@ -77,7 +78,8 @@ static PIN_Config headstage_pin_configuration[] = {  //
     PIN_RESET | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL,
     PIN_EN_ADC_SPI_CLK | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL,
     PIN_DC_DC | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL,
-    PIN_BATT_HALF | PIN_INPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL,
+    PIN_CLP  | PIN_GPIO_OUTPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL,    //  cDBS detect HVS LED::added in config table
+//    PIN_BATT_HALF | PIN_INPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL,
     PIN_STI_CLK | PIN_INPUT_EN | PIN_GPIO_LOW | PIN_PUSHPULL,
     // TODO : add PIN_IRQ for STI clock to detect STI status (update LED & resend STI command if failed before)
     PIN_TERMINATE};

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

@@ -25,7 +25,7 @@ static void MCUReset(){
         spi_txbuf[i] = 0;
         spi_rxbuf[i] = 0;
     }
-    SPICallBack  =   CONTI_SPI_WITH_FLUSH;
+    SPICallBack  =   ONE_SHOT_SPI;
     ReopenSPI();
 
     for(int i=0 ; i<SPI_LED_BUFF_SIZE ; i++){

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

@@ -143,7 +143,7 @@ static void headstage_spi_callback(SPI_Handle handle, SPI_Transaction* transacti
             break;
         }
         case FLUSH_BUFFER2:{
-           SPICallBack = CONTI_SPI_WITH_FLUSH;
+           SPICallBack = ONE_SHOT_SPI;
            for(int i=0 ; i<SPI_BUFFER_SIZE ; i++){
                spi_txbuf[i] = 0x00;
            }
@@ -151,7 +151,7 @@ static void headstage_spi_callback(SPI_Handle handle, SPI_Transaction* transacti
 //           headstage_spi_transaction(SPI_BUFFER_SIZE);
            break;
        }
-        case CONTI_SPI_WITH_FLUSH:{
+        case ONE_SHOT_SPI:{
             SPICallBack = FLUSH_BUFFER;
             for(int i=0 ; i<SPI_BUFFER_SIZE ; i++){
                 spi_txbuf[i] = 0x00;
@@ -172,7 +172,7 @@ static void headstage_spi_callback(SPI_Handle handle, SPI_Transaction* transacti
         }
 
         case CLOSE_SPI:{
-            SPICallBack = CONTI_SPI_WITH_FLUSH;
+            SPICallBack = ONE_SHOT_SPI;
             SPI_close(headstage_spi_handle);
             break;
         }