#include #include "ThinkNodeM3Board.h" #include #include void ThinkNodeM3Board::begin() { NRF52Board::begin(); btn_prev_state = HIGH; Wire.begin(); delay(10); // give sx1262 some time to power up } uint16_t ThinkNodeM3Board::getBattMilliVolts() { int adcvalue = 0; analogReference(AR_INTERNAL_2_4); analogReadResolution(ADC_RESOLUTION); delay(10); // ADC range is 0..2400mV and resolution is 12-bit (0..4095) adcvalue = analogRead(PIN_VBAT_READ); // Convert the raw value to compensated mv, taking the resistor- // divider into account (providing the actual LIPO voltage) return (uint16_t)((float)adcvalue * ADC_FACTOR); }