esp32_settings.h

#ifndef ESP32_SETTINGS_H
#define ESP32_SETTINGS_H

#include <WiFi.h>
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"

#endif

#define BUZZZER_PIN 23
#define buzzer true

#define buzz(freq, duration) \
  if (buzzer) { \
    tone(BUZZZER_PIN, freq, duration); \
    noTone(BUZZZER_PIN); \
  }

// Main BMI160 I2C address (as reference clock, must be enabled)
//const uint8_t  i2c_main_addr = 0x69;

// Extended BMI160 I2C address (optional)
//const uint8_t  i2c_extend_addr = 0x68;

// Brownout detector
const bool brown_en = true;

// IMU reset pin
const uint8_t reset_pin = 25;

// LED indicator pin
const uint8_t led_pin = 13;

// Battery voltage monitoring pin
const uint8_t batt_monitor_pin = 35;

// Battery analog reading to voltage function
float get_battery_voltage(uint32_t milliVolt) {
  return 2 * milliVolt * 0.001;
}