companion: suspend radio when hibernating

examples/companion_radio/ui-new/UITask.cpp

@@ -650,6 +650,7 @@ void UITask::shutdown(bool restart){
     _board->reboot();
   } else {
     _display->turnOff();
+    radio_driver.powerOff();
     _board->powerOff();
   }
 }

src/helpers/radiolib/CustomSX1262Wrapper.h

@@ -15,6 +15,8 @@ class CustomSX1262Wrapper : public RadioLibWrapper {
   float getLastRSSI() const override { return ((CustomSX1262 *)_radio)->getRSSI(); }
   float getLastSNR() const override { return ((CustomSX1262 *)_radio)->getSNR(); }
 
+  virtual void powerOff() override { ((CustomSX1262 *)_radio)->sleep(false); }
+
   float packetScore(float snr, int packet_len) override {
     int sf = ((CustomSX1262 *)_radio)->spreadingFactor;
     return packetScoreInt(snr, sf, packet_len);

src/helpers/radiolib/RadioLibWrappers.h

@@ -50,6 +50,8 @@ class RadioLibWrapper : public mesh::Radio {
   virtual float getLastRSSI() const override;
   virtual float getLastSNR() const override;
 
+  virtual void powerOff() { /* no op */ }
+
   float packetScore(float snr, int packet_len) override { return packetScoreInt(snr, 10, packet_len); }  // assume sf=10
 };
 

variants/heltec_t114/T114Board.h

@@ -48,6 +48,13 @@ class T114Board : public mesh::MainBoard {
   }
 
   void powerOff() override {
+    #ifdef LED_PIN
+    digitalWrite(LED_PIN, HIGH);
+    #endif
+    #if ENV_INCLUDE_GPS == 1
+    pinMode(GPS_EN, OUTPUT);
+    digitalWrite(GPS_EN, LOW);
+    #endif
     sd_power_system_off();
   }