Now setting some BLE connection parameters to try improving the watch's power consumption, shaved two mA off :(

README.md

@@ -235,12 +235,13 @@ to save power
 
 ## Achieved power consumption recap:  
 (Need to work on sleep current :-( )
-|         Mode             | Current draw | Estimated battery life (600 mAh lipo) |
+|         Mode             |      Current draw        | Estimated battery life (600 mAh lipo) |
-|--------------------------|--------------|---------------------------------------|
+|--------------------------|--------------------------|---------------------------------------|
-|Active (40MHz clk)<br>(No BLE / No WiFi) |~52 mA         | ~11 hour              |
+|Active (80MHz clk)<br>(No BLE / No WiFi / Screen on) |~54.51 mA         | ~11 hours          |
-|Active (240MHz clk)<br>(No BLE / No WiFi)|~72 mA         | ~8 hour               |
+|Active (160MHz clk)<br>(No BLE / No WiFi / Screen on)|~64.7 mA          | ~9 hours           |
-|Sleep                     |~4.5 mA       |~5 days and 12 hours                   |
+|Sleep (Clock is OFF / No BLE)                        |~3.97 mA          | ~6 days            |
-|Standby                   |~1.8 mA       |~13 days and 15 hours                  |
+|Sleep (40MHz clk / With BLE)                         |~49.20 mA         | ~12 hours          |
+|Standby (Not available)                              |~1.8 mA       |~13 days and 15 hours   |
 
 ## Some screenshots of the achieved visuals currently running on the watch using lvgl :
 ![](http://82.64.196.164/images/git/watch_graphics.png)

src/W800_SDK_v1.00.10/app/gfx/gfx_task.c

@@ -302,7 +302,7 @@ static void setBLEEnabledCb(bool *enabled, SettingMode_e mode)
     else
     {
         watch_settings_connectivity_set_ble_enabled(*enabled);
-        //Let's turn the BLE on or OFF here
+        // Let's turn the BLE on or off here
         if(*enabled)
         {
             if(!ble_modem_on(true, true))
@@ -524,7 +524,7 @@ static void ble_service_nus_data_rx_cb(const uint8_t *data, uint16_t length)
     gadget_bridge_parser_feed((const char *)data, length);
     while(gadget_bridge_parser_run() == GADGET_BRIDGE_PARSER_CODE_PARSING);
 }
-
+static uint32_t bt_ctrl_sleep_ms = 0;
 static void ble_service_state_change_cb(ble_service_state_e ble_service_state)
 {
     switch(ble_service_state)
@@ -533,6 +533,17 @@ static void ble_service_state_change_cb(ble_service_state_e ble_service_state)
             watch_face_set_bluetooth_indicator(&watchFace, BLUETOOTH_STATE_CONNECTED);
             find_my_phone_screen_notify_BLE_connection_state(&findMyPhoneScreen, true);
             music_player_screen_notify_BLE_connection_state(&musicPlayerScreen, true);
+            // Let's request a BLE connection parameters update
+            ble_service_update_connection_parameters(
+                84,     // itvl_min 105 ms
+                120,    // itvl_max 150 ms
+                5,      // latency 5
+                1000,   // supervision timeout 10 s
+                0x0010, // min connection event length 10 ms 
+                0x0300  // max connection event length 480 ms
+            );
+            // Let's request a MTU update
+            ble_service_request_mtu_exchange();
             break;
         case BLE_SERVICE_MODE_ADVERTISING:
             watch_face_set_bluetooth_indicator(&watchFace, BLUETOOTH_STATE_ON);