diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_neu.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_neu.h
index 564247ae6..b3e333882 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_neu.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_neu.h
@@ -353,19 +353,19 @@ 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;
-//        }
-//    }
+    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);
@@ -574,7 +574,7 @@ static void headstage_update_ris_instruction(uint8_t ins_len, uint8_t* instructi
             INSTRUCTION.vgr_intn             = 16;
             INSTRUCTION.vgr_int_old          = 16;
             INSTRUCTION.recording_channel    = 0b0000000001000010;
-            INSTRUCTION.adc_clock_ratio      = 50; // sample rate = [NEU_SYS_CLK / (sys_clk_ratio = 10)] / adc_clock_ratio
+            INSTRUCTION.adc_clock_ratio      = 100; // sample rate = [NEU_SYS_CLK / (sys_clk_ratio = 10)] / adc_clock_ratio
             INSTRUCTION.sys_clk_ratio        = 10;
             INSTRUCTION.sti_clock_ratio      = 10;
             INSTRUCTION.amplifier_gain       = 0;
@@ -1094,19 +1094,19 @@ static void headstage_neu_state_spi() {
 
             // recording
             else{
-                for(int i=0 ; i<SPI_BUFFER_SIZE ; i++){
-                     spi_txbuf[i] = 0;
-                 }
-
-                 if(data_rate_counter >= 63){
-                     data_rate_counter = 0;
-                     SimpleBLEPeripheral_blastData();
-                 }
-                 data_rate_counter ++;
-                 headstage_spi_transaction(3);
-//                headstage_neu_append_notify_data();
-//                AppendSPITX(0, 0);
-//                headstage_spi_transaction(SPI_BUFFER_SIZE);
+//                for(int i=0 ; i<SPI_BUFFER_SIZE ; i++){
+//                     spi_txbuf[i] = 0;
+//                 }
+//
+//                 if(data_rate_counter >= 63){
+//                     data_rate_counter = 0;
+//                     SimpleBLEPeripheral_blastData();
+//                 }
+//                 data_rate_counter ++;
+//                 headstage_spi_transaction(3);
+                headstage_neu_append_notify_data();
+                AppendSPITX(0, 0);
+                headstage_spi_transaction(SPI_BUFFER_SIZE);
             }
             break;
         }
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_version.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_version.h
index a745ca665..c0575780b 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_version.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage_version.h
@@ -4,13 +4,13 @@
 
 #define VERSION_DATE_YEAR      20
 #define VERSION_DATE_MONTH     7
-#define VERSION_DATE_DAY       21
-#define VERSION_DATE_HOUR      16
-#define VERSION_DATE_MINUTE    25
+#define VERSION_DATE_DAY       22
+#define VERSION_DATE_HOUR      10
+#define VERSION_DATE_MINUTE    15
 
 // this is NOT the version hash !!
 // it's the last version hash
-#define VERSION_HASH           ab83ab2ce0c78fe4ff0b3bbc6fe97150b00a0895
+#define VERSION_HASH           332e8a127fd02a8122c330ae9aa88e5b7ac51f85
 #define VERSION_GIT_BRANCH     neulive20_linux_debug
 
 static void get_board_name(char *board_name_ch, uint8 *board_name_int, uint8 name_size){
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/neu/headstage_notify.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/neu/headstage_notify.h
index 0189ebee0..22272eb8d 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/neu/headstage_notify.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/neu/headstage_notify.h
@@ -15,13 +15,18 @@ static uint32_t not_time_stamp = 0;
 
 static uint32_t debug_counter = 0;
 static void headstage_notify_set_timestamp() {
-//    not_time_stamp = headstage_time_stamp_us();
-//
+    not_time_stamp = headstage_time_stamp_us();
+
 //    headstage_notify_buffer[2] = not_time_stamp & 0xFF;
 //    headstage_notify_buffer[3] = (not_time_stamp >> 8) & 0xFF;
 //    headstage_notify_buffer[4] = (not_time_stamp >> 16) & 0xFF;
 //    headstage_notify_buffer[5] = (not_time_stamp >> 24) & 0xFF;
-//    debug_counter ++;
+
+    headstage_notify_buffer[2] = (debug_counter >> 24) & 0xFF;
+    headstage_notify_buffer[3] = (debug_counter >> 16) & 0xFF;
+    headstage_notify_buffer[4] = (debug_counter >> 8) & 0xFF;
+    headstage_notify_buffer[5] = debug_counter & 0xFF;
+    debug_counter ++;
 }
 
 static void headstage_notify_flip_buffer() {
@@ -49,13 +54,13 @@ static uint8_t headstage_notify_append_data(uint8_t *data_value) {
         headstage_notify_buffer[not_buf_offset++] = data_value[2];
     }
 
-//    if (not_buf_offset >= BLE_NOT_BUFF_SIZE - 1) {
-//        uint32_t current    = headstage_time_stamp_us();
-//        uint32_t time_delta = ((current - not_time_stamp)) & 0xFFFF;
-//
-//        headstage_notify_buffer[6] = time_delta & 0xFF;
-//        headstage_notify_buffer[7] = (time_delta >> 8) & 0xFF;
-//    }
+    if (not_buf_offset >= BLE_NOT_BUFF_SIZE - 1) {
+        uint32_t current    = headstage_time_stamp_us();
+        uint32_t time_delta = ((current - not_time_stamp)) & 0xFFFF;
+
+        headstage_notify_buffer[6] = time_delta & 0xFF;
+        headstage_notify_buffer[7] = (time_delta >> 8) & 0xFF;
+    }
 
     uint8_t ret = not_buf_offset;