a6de43e665
Added a driver which uses the nRF52's ADC channel on the VDDH pin to read the battery voltage when using high voltage mode.
22 lines
440 B
C
22 lines
440 B
C
/*
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* Copyright (c) 2021 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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#pragma once
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#include <drivers/sensor.h>
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#include <stdint.h>
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struct battery_value {
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uint16_t adc_raw;
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uint16_t millivolts;
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uint8_t state_of_charge;
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};
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int battery_channel_get(const struct battery_value *value, enum sensor_channel chan,
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struct sensor_value *val_out);
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uint8_t lithium_ion_mv_to_pct(int16_t bat_mv);
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