remove adc override

variants/rak11200/RAK11200Board.cpp

@@ -18,19 +18,6 @@ void RAK11200Board::begin() {
 #endif
 }
 
-uint16_t RAK11200Board::getBattMilliVolts() {
-  analogReadResolution(12);
-
-  uint32_t raw = 0;
-  const int BATTERY_SAMPLES = 8;
-  for (int i = 0; i < BATTERY_SAMPLES; i++) {
-    raw += analogRead(PIN_VBAT_READ);
-  }
-  raw = raw / BATTERY_SAMPLES;
-
-  return (ADC_MULTIPLIER * raw) / 4096;
-}
-
 const char* RAK11200Board::getManufacturerName() const {
   return "RAK 11200";
 }

variants/rak11200/RAK11200Board.h

@@ -13,13 +13,11 @@
 #define  P_LORA_MOSI    25    // GPIO25 (ESP32 pin 10 -> SPI_MOSI)
 #define  SX126X_POWER_EN  27    // GPIO27 (ESP32 pin 12 -> IO2)
 #define  PIN_VBAT_READ    36    // WB_A0 for battery reading
-#define  ADC_MULTIPLIER   (3 * 1.73 * 1.110 * 1000)
 
 class RAK11200Board : public ESP32Board {
 
 public:
   void begin();
-  uint16_t getBattMilliVolts() override;
   const char* getManufacturerName() const override;
 
 };