mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-30 22:51:41 +01:00
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
|
/*
|
||
|
|
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*/
|
||
|
|
#pragma once
|
||
|
|
#include "esp_types.h"
|
||
|
|
#include "esp_err.h"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct adc_cali_scheme_t adc_cali_scheme_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief ADC Calibration Scheme Interface and Context
|
||
|
|
*/
|
||
|
|
struct adc_cali_scheme_t {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Convert ADC raw data to calibrated voltage
|
||
|
|
*
|
||
|
|
* @param[in] arg ///< ADC calibration scheme specific context
|
||
|
|
* @param[in] raw ///< ADC raw data
|
||
|
|
* @param[out] voltage ///< Calibrated ADC voltage (in mV)
|
||
|
|
*
|
||
|
|
* @return
|
||
|
|
* - ESP_OK: On success
|
||
|
|
* - ESP_ERR_INVALID_ARG: Invalid argument
|
||
|
|
* - ESP_ERR_INVALID_STATE: Invalid state, scheme didn't registered
|
||
|
|
*/
|
||
|
|
esp_err_t (*raw_to_voltage)(void *arg, int raw, int *voltage);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief ADC calibration specific contexts
|
||
|
|
* Can be customized to difference calibration schemes
|
||
|
|
*/
|
||
|
|
void *ctx;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|