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- MeshCore-based Simple Sensor firmware - Heltec T114 without display - BME280 sensor support (temp/humidity/pressure) - Radio: 868.856018 MHz, SF7, BW62.5 kHz, CR4/7 - 2-byte path hash - PlatformIO project
43 lines
946 B
C++
43 lines
946 B
C++
#include <Arduino.h>
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#include "nano-g2.h"
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#ifdef NANO_G2_ULTRA
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#include <Wire.h>
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void NanoG2Ultra::begin()
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{
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NRF52Board::begin();
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// set user button
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pinMode(PIN_BUTTON1, INPUT);
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// the external notification circuit is shared for both buzzer and led
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pinMode(EXT_NOTIFY_OUT, OUTPUT);
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digitalWrite(EXT_NOTIFY_OUT, LOW);
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pinMode(GPS_EN, OUTPUT); // Initialize GPS power pin
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Wire.begin();
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pinMode(SX126X_POWER_EN, OUTPUT);
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digitalWrite(SX126X_POWER_EN, HIGH);
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delay(10);
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}
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uint16_t NanoG2Ultra::getBattMilliVolts()
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{
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int adcvalue = 0;
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analogReference(AR_INTERNAL_3_0);
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analogReadResolution(12);
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delay(10);
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// ADC range is 0..3000mV and resolution is 12-bit (0..4095)
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adcvalue = analogRead(PIN_VBAT_READ);
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// Convert the raw value to compensated mv, taking the resistor-
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// divider into account (providing the actual LIPO voltage)
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return (uint16_t)((float)adcvalue * REAL_VBAT_MV_PER_LSB);
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}
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#endif
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