#include #include "nano-g2.h" #ifdef NANO_G2_ULTRA #include void NanoG2Ultra::begin() { NRF52Board::begin(); // set user button pinMode(PIN_BUTTON1, INPUT); // the external notification circuit is shared for both buzzer and led pinMode(EXT_NOTIFY_OUT, OUTPUT); digitalWrite(EXT_NOTIFY_OUT, LOW); pinMode(GPS_EN, OUTPUT); // Initialize GPS power pin Wire.begin(); pinMode(SX126X_POWER_EN, OUTPUT); digitalWrite(SX126X_POWER_EN, HIGH); delay(10); } uint16_t NanoG2Ultra::getBattMilliVolts() { int adcvalue = 0; analogReference(AR_INTERNAL_3_0); analogReadResolution(12); delay(10); // ADC range is 0..3000mV 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 * REAL_VBAT_MV_PER_LSB); } #endif