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#include <Arduino.h>
#include <Wire.h>
#include "PromicroBoard.h"
void PromicroBoard::begin() {
NRF52Board::begin();
btn_prev_state = HIGH;
pinMode(PIN_VBAT_READ, INPUT);
#ifdef BUTTON_PIN
pinMode(BUTTON_PIN, INPUT_PULLUP);
#endif
#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL)
Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
#endif
Wire.begin();
pinMode(SX126X_POWER_EN, OUTPUT);
digitalWrite(SX126X_POWER_EN, HIGH);
delay(10); // give sx1262 some time to power up
}