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47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include "esp_types.h"
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct adc_cali_scheme_t adc_cali_scheme_t;
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/**
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* @brief ADC Calibration Scheme Interface and Context
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*/
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struct adc_cali_scheme_t {
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/**
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* @brief Convert ADC raw data to calibrated voltage
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*
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* @param[in] arg ///< ADC calibration scheme specific context
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* @param[in] raw ///< ADC raw data
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* @param[out] voltage ///< Calibrated ADC voltage (in mV)
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*
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* @return
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* - ESP_OK: On success
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* - ESP_ERR_INVALID_ARG: Invalid argument
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* - ESP_ERR_INVALID_STATE: Invalid state, scheme didn't registered
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*/
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esp_err_t (*raw_to_voltage)(void *arg, int raw, int *voltage);
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/**
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* @brief ADC calibration specific contexts
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* Can be customized to difference calibration schemes
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*/
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void *ctx;
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};
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#ifdef __cplusplus
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}
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#endif
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