MeshCore/variants/xiao_nrf52/XiaoNrf52Board.h

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1.3 KiB
C++

#pragma once
#include <MeshCore.h>
#include <Arduino.h>
#ifdef XIAO_NRF52
class XiaoNrf52Board : public mesh::MainBoard {
protected:
uint8_t startup_reason;
public:
void begin();
uint8_t getStartupReason() const override { return startup_reason; }
#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 {
// Please read befor going further ;)
// https://wiki.seeedstudio.com/XIAO_BLE#q3-what-are-the-considerations-when-using-xiao-nrf52840-sense-for-battery-charging
// We can't drive VBAT_ENABLE to HIGH as long
// as we don't know wether we are charging or not ...
// this is a 3mA loss (4/1500)
digitalWrite(VBAT_ENABLE, LOW);
int adcvalue = 0;
analogReadResolution(12);
analogReference(AR_INTERNAL_3_0);
delay(10);
adcvalue = analogRead(PIN_VBAT);
return (adcvalue * ADC_MULTIPLIER * AREF_VOLTAGE) / 4.096;
}
const char* getManufacturerName() const override {
return "Seeed Xiao-nrf52";
}
void reboot() override {
NVIC_SystemReset();
}
bool startOTAUpdate(const char* id, char reply[]) override;
};
#endif