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RIOT/cpu/esp32/include/esp_idf_api/adc.h
2022-07-15 16:17:03 +02:00

58 lines
1.4 KiB
C

/*
* Copyright (C) 2022 Gunar Schorcht
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_esp32_esp_idf_api
* @{
*
* @file
* @brief Interface for the ESP-IDF ADC HAL API
*
* @author Gunar Schorcht <gunar@schorcht.net>
* @}
*/
#ifndef ESP_IDF_API_ADC_H
#define ESP_IDF_API_ADC_H
#include "esp_err.h"
#include "hal/adc_types.h"
#include "hal/gpio_types.h"
#ifndef DOXYGEN /* Hide implementation details from doxygen */
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name ESP-IDF interface mapper functions
* @{
*/
/** @} */
void esp_idf_adc_power_acquire(void);
void esp_idf_adc_power_release(void);
esp_err_t esp_idf_adc1_config_width(adc_bits_width_t width_bit);
esp_err_t esp_idf_adc1_config_channel_atten(adc_channel_t channel,
adc_atten_t atten);
int esp_idf_adc1_get_raw(adc_channel_t channel);
esp_err_t esp_idf_adc2_config_channel_atten(adc_channel_t channel,
adc_atten_t atten);
esp_err_t esp_idf_adc2_get_raw(adc_channel_t channel,
adc_bits_width_t width_bit, int *raw_out);
esp_err_t esp_idf_adc_vref_to_gpio(adc_unit_t adc_unit, gpio_num_t gpio);
#ifdef __cplusplus
}
#endif
#endif /* DOXYGEN */
#endif /* ESP_IDF_API_ADC_H */