MeshCore/variants/heltec_t114/T114Board.h
2026-01-27 08:42:58 -04:00

59 lines
1.3 KiB
C++

#pragma once
#include <MeshCore.h>
#include <Arduino.h>
#include <helpers/NRF52Board.h>
// built-ins
#define PIN_VBAT_READ 4
#define PIN_BAT_CTL 6
#define MV_LSB (3000.0F / 4096.0F) // 12-bit ADC with 3.0V input range
class T114Board : public NRF52BoardDCDC {
protected:
#ifdef NRF52_POWER_MANAGEMENT
void initiateShutdown(uint8_t reason) override;
#endif
public:
T114Board() : NRF52Board("T114_OTA") {}
void begin();
#if defined(P_LORA_TX_LED)
void onBeforeTransmit() override {
digitalWrite(P_LORA_TX_LED, LOW); // turn TX LED on
}
void onAfterTransmit() override {
digitalWrite(P_LORA_TX_LED, HIGH); // turn TX LED off
}
#endif
uint16_t getBattMilliVolts() override {
int adcvalue = 0;
analogReadResolution(12);
analogReference(AR_INTERNAL_3_0);
pinMode(PIN_BAT_CTL, OUTPUT); // battery adc can be read only ctrl pin 6 set to high
digitalWrite(PIN_BAT_CTL, 1);
delay(10);
adcvalue = analogRead(PIN_VBAT_READ);
digitalWrite(6, 0);
return (uint16_t)((float)adcvalue * MV_LSB * 4.9);
}
const char* getManufacturerName() const override {
return "Heltec T114";
}
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();
}
};