Updated BLE functionality for low power mode in SerialBLEInterface. Updated platformio.ini to enable low power mode and added DC/DC converter support in T1000eBoard for improved power efficiency.

variants/t1000-e/T1000eBoard.cpp

@@ -11,6 +11,9 @@ void T1000eBoard::begin() {
 
   sd_power_mode_set(NRF_POWER_MODE_LOWPWR);
 
+  // Enable DC/DC converter for improved power efficiency
+  NRF_POWER->DCDCEN = 1;
+
 #ifdef BUTTON_PIN
   pinMode(BATTERY_PIN, INPUT);
   pinMode(BUTTON_PIN, INPUT);

variants/t1000-e/platformio.ini

@@ -100,6 +100,7 @@ build_flags = ${t1000-e.build_flags}
   -D MAX_CONTACTS=100
   -D MAX_GROUP_CHANNELS=8
   -D BLE_PIN_CODE=123456
+  -D BLE_LOW_POWER=1
 ;  -D BLE_DEBUG_LOGGING=1
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1