enhancement on the UI and support for power off and status_led for t1000e

src/MeshCore.h

@@ -40,6 +40,7 @@ public:
   virtual void onBeforeTransmit() { }
   virtual void onAfterTransmit() { }
   virtual void reboot() = 0;
+  virtual void powerOff() { while (1) { }}; // hope it's overriden or never called ;)
   virtual uint8_t getStartupReason() const = 0;
   virtual bool startOTAUpdate() { return false; }   // not supported
 };

src/helpers/HeltecV3Board.h

@@ -67,6 +67,10 @@ public:
     esp_deep_sleep_start();   // CPU halts here and never returns!
   }
 
+  void powerOff() override {
+    enterDeepSleep(0);
+  }
+
   uint16_t getBattMilliVolts() override {
     analogReadResolution(10);
     digitalWrite(PIN_ADC_CTRL, PIN_ADC_CTRL_ACTIVE);

src/helpers/nrf52/T1000eBoard.h

@@ -3,8 +3,6 @@
 #include <MeshCore.h>
 #include <Arduino.h>
 
-#define HAS_T1000e_POWEROFF
-
 // LoRa and SPI pins
 #define  P_LORA_DIO_1   (32 + 1)  // P1.1
 #define  P_LORA_NSS     (0 + 12)  // P0.12
@@ -61,7 +59,7 @@ public:
     return 0;
   }
 
-  void powerOff() {
+  void powerOff() override {
     #ifdef HAS_GPS
         digitalWrite(GPS_VRTC_EN, LOW);
         digitalWrite(GPS_RESET, LOW);