esp-idf/components/hal/esp32c3/include/hal/adc_hal.h
2021-07-28 17:50:14 +08:00

103 lines
3.3 KiB
C

// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*******************************************************************************
* NOTICE
* The hal is not public api, don't use in application code.
* See readme.md in soc/include/hal/readme.md
******************************************************************************/
// The HAL layer for ADC (esp32s2 specific part)
#pragma once
#include "hal/adc_ll.h"
#include "hal/adc_types.h"
#include_next "hal/adc_hal.h"
#ifdef __cplusplus
extern "C" {
#endif
/*---------------------------------------------------------------
Digital controller setting
---------------------------------------------------------------*/
/**
* Digital controller deinitialization.
*/
void adc_hal_digi_deinit(void);
/**
* Setting the digital controller.
*
* @param cfg Pointer to digital controller paramter.
*/
void adc_hal_digi_controller_config(const adc_digi_config_t *cfg);
/**
* Reset adc digital controller filter.
*
* @param filter_idx ADC filter unit.
*/
#define adc_hal_digi_filter_reset(filter_idx) adc_ll_digi_filter_reset(filter_idx)
/**
* Set adc digital controller filter factor.
*
* @param filter_idx ADC filter unit.
* @param filter Filter config. Expression: filter_data = (k-1)/k * last_data + new_data / k. Set values: (2, 4, 8, 16, 64).
*/
void adc_hal_digi_filter_set_factor(adc_digi_filter_idx_t filter_idx, adc_digi_filter_t *filter);
/**
* Get adc digital controller filter factor.
*
* @param filter_idx ADC filter unit.
* @param factor Expression: filter_data = (k-1)/k * last_data + new_data / k. Set values: (2, 4, 8, 16, 64).
*/
void adc_hal_digi_filter_get_factor(adc_digi_filter_idx_t filter_idx, adc_digi_filter_t *filter);
/**
* Enable/disable adc digital controller filter.
* Filtering the ADC data to obtain smooth data at higher sampling rates.
*
* @note The filter will filter all the enabled channel data of the each ADC unit at the same time.
* @param filter_idx ADC filter unit.
* @param enable True to enable the filter, otherwise disable.
*/
void adc_hal_digi_filter_enable(adc_digi_filter_idx_t filter_idx, bool enable);
/**
* Config monitor of adc digital controller.
*
* @note If the channel info is not supported, the monitor function will not be enabled.
* @param mon_idx ADC monitor index.
* @param config Refer to `adc_digi_monitor_t`.
*/
void adc_hal_digi_monitor_config(adc_digi_monitor_idx_t mon_idx, adc_digi_monitor_t *config);
/**
* Enable/disable monitor of adc digital controller.
*
* @note The monitor will monitor all the enabled channel data of the each ADC unit at the same time.
* @param mon_idx ADC monitor index.
* @param enable True to enable the monitor, otherwise disable.
*/
void adc_hal_digi_monitor_enable(adc_digi_monitor_idx_t mon_idx, bool enable);
#ifdef __cplusplus
}
#endif