In headstage_uni_umc_data_append_notify_buffer

Modify channel pointer counter
Remove preamble cond. in the IF condition for enable_channel_number == 1
Reset channel_pointer in the VIS instruction

ccs910/ccs/eclipse/configuration/org.eclipse.osgi/.manager/.fileTable.1

@@ -0,0 +1,4 @@
+#safe table
+#Thu Feb 20 11:57:56 CST 2020
+framework.info=0
+.crc1d527c35.v1

ccs910/ccs/eclipse/configuration/org.eclipse.osgi/.manager/.fileTable.2

@@ -0,0 +1,4 @@
+#safe table
+#Thu Feb 20 11:57:56 CST 2020
+framework.info=1
+.crc1c901602.v1

ccs910/ccs/eclipse/configuration/org.eclipse.osgi/83/0/.cp/resources/languageSettings/dummy.c

@@ -0,0 +1,3 @@
+int main(void) {
+	return 0;
+}

ccs910/ccs/eclipse/configuration/org.eclipse.osgi/83/0/.cp/resources/languageSettings/dummy.cpp

@@ -0,0 +1,3 @@
+int main(void) {
+	return 0;
+}

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

@@ -773,11 +773,13 @@ static void headstage_update_vis_instruction(uint8_t vis_oper) {
         case VIS_RST:
             headstage_reset();
             headstage_state = UMC_STATE_HANDSHAKE;
+            INSTRUCTION.channel_pointer=0;
             // try to pull PIN_RESET PIN to ground
             break;
         case VIS_STI:
-            if (headstage_state == UMC_STATE_INTERRUPT) {
+            if (headstage_state == UMC_STATE_INTERRUPT) {  //This if cond. seems only for old version digital core
                 headstage_state = UMC_STATE_INITIAL;
+                INSTRUCTION.channel_pointer=0;
                 rearrange_channel_mux_table();
                 UMC_STATE.config_type = CONFIG_AMP_MUX;
                 headstage_led_spi_color(COLOR_BLACK);
@@ -785,6 +787,7 @@ static void headstage_update_vis_instruction(uint8_t vis_oper) {
                 headstage_spi_ask_transaction(4);
             } else {
                 headstage_state = UMC_STATE_HANDSHAKE;
+                INSTRUCTION.channel_pointer=0;
                 rearrange_channel_mux_table();
                 headstage_pwm_start(headstage_system_pwm_handle);
                 headstage_pwm_start(headstage_poly_r_pwm_handle);
@@ -800,6 +803,7 @@ static void headstage_update_vis_instruction(uint8_t vis_oper) {
         case VIS_INT:
             headstage_reset();
             headstage_state = UMC_STATE_HANDSHAKE;
+            INSTRUCTION.channel_pointer=0;
             break;
 
         case VIS_BLE_T:
@@ -890,13 +894,15 @@ static void headstage_uni_umc_data_append_notify_buffer(uint8_t* dat_buf) {
         }
 
         uint8_t channel;
+        uint8_t channel_pointer     = INSTRUCTION.channel_pointer;
 
-        if ((INSTRUCTION.enable_channel_number == 1) || (dat_buf[0] == 0xc1)) {
+        if ((INSTRUCTION.enable_channel_number == 1)) {
             channel = reverse_channel[INSTRUCTION.last_enable_channel];
         } else {
-            uint8_t channel_pointer     = (INSTRUCTION.channel_pointer + 1) % INSTRUCTION.last_enable_channel;
+            //uint8_t channel_pointer     = (INSTRUCTION.channel_pointer + 1) % INSTRUCTION.last_enable_channel;
             channel                     = reverse_channel[INSTRUCTION.channel_mux[channel_pointer]];
-            INSTRUCTION.channel_pointer = channel_pointer;
+            channel_pointer++;
+            INSTRUCTION.channel_pointer = channel_pointer % (INSTRUCTION.last_enable_channel+1);
         }
         uint8_t data_size = headstage_notify_append_data(channel, dat_buf);
         if (data_size >= BLE_NOT_BUFF_SIZE) {
@@ -920,6 +926,7 @@ static uint8_t build_umn_ins_config(uint8_t config_type, uint32_t* value) {
             if (channel_pointer < INSTRUCTION.enable_channel_number) {
                 return CONFIG_AMP_MUX;
             } else {
+                INSTRUCTION.channel_pointer = 0;
                 return CONFIG_AMP_GAIN;
             }
         }

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

@@ -114,11 +114,11 @@
 #ifndef FEATURE_OAD
 // Minimum connection interval (units of 1.25ms, 80=100ms) if automatic
 // parameter update request is enabled
-#define DEFAULT_DESIRED_MIN_CONN_INTERVAL 6
+#define DEFAULT_DESIRED_MIN_CONN_INTERVAL 80
 
 // Maximum connection interval (units of 1.25ms, 800=1000ms) if automatic
 // parameter update request is enabled
-#define DEFAULT_DESIRED_MAX_CONN_INTERVAL 6
+#define DEFAULT_DESIRED_MAX_CONN_INTERVAL 80
 #else  //! FEATURE_OAD
 // Minimum connection interval (units of 1.25ms, 8=10ms) if automatic
 // parameter update request is enabled
@@ -152,7 +152,7 @@
 #define SBP_TASK_PRIORITY 1
 
 #ifndef SBP_TASK_STACK_SIZE
-#define SBP_TASK_STACK_SIZE 844
+#define SBP_TASK_STACK_SIZE 1024
 #endif
 
 // Internal Events for RTOS application
@@ -408,6 +408,10 @@ static void SimpleBLEPeripheral_init(void) {
     GATT_RegisterForMsgs(self);
 
     headstage_led_spi_color(COLOR_GREEN);
+    HCI_LE_ReadMaxDataLenCmd();
+
+    HCI_LE_WriteSuggestedDefaultDataLenCmd(251, 2120);  // this is used for data length extension
+
 
 }