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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#pragma once
#include <cstdint>
#include "esp_adc/adc_cali.h"
#include "esp_adc/adc_oneshot.h"
#include "esp_err.h"
#include "result.hpp"
namespace drivers {
/*
* Handles measuring the battery's current voltage.
*/
class AdcBattery {
public:
static auto Create() -> AdcBattery* { return new AdcBattery(); }
AdcBattery();
~AdcBattery();
/**
* Returns the current battery level in millivolts.
*/
auto Millivolts() -> uint32_t;
private:
adc_oneshot_unit_handle_t adc_handle_;
adc_cali_handle_t adc_calibration_handle_;
};
} // namespace drivers
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