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			77 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			77 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								/*
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								 * SPDX-FileCopyrightText: 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 "freertos/FreeRTOS.h"
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								#include "hal/dac_types.h"
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								#include "hal/dac_ll.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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								extern portMUX_TYPE rtc_spinlock;  /*!< Extern global rtc spinlock */
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								#define DAC_RTC_ENTER_CRITICAL()    portENTER_CRITICAL(&rtc_spinlock)
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								#define DAC_RTC_EXIT_CRITICAL()     portEXIT_CRITICAL(&rtc_spinlock)
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								#define DAC_RTC_ENTER_CRITICAL_SAFE()    portENTER_CRITICAL_SAFE(&rtc_spinlock)
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								#define DAC_RTC_EXIT_CRITICAL_SAFE()     portEXIT_CRITICAL_SAFE(&rtc_spinlock)
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								#define DAC_NULL_POINTER_CHECK(p)     ESP_RETURN_ON_FALSE((p), ESP_ERR_INVALID_ARG, TAG, "input parameter '"#p"' is NULL")
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								#define DAC_NULL_POINTER_CHECK_ISR(p) ESP_RETURN_ON_FALSE_ISR((p), ESP_ERR_INVALID_ARG, TAG, "input parameter '"#p"' is NULL")
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								/**
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								 * @brief Register dac channel in the driver, in case a same channel is reused by different modes
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								 *
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								 * @param[in] chan_id   DAC channel id
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								 * @param[in] mode_name The const string of mode name
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								 * @return
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								 *      - ESP_ERR_INVALID_STATE The channel has been occupied
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								 *      - ESP_ERR_INVALID_ARG   The channel id is incorrect
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								 *      - ESP_OK                Register the channel success
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								 */
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								esp_err_t dac_priv_register_channel(dac_channel_t chan_id, const char *mode_name);
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								/**
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								 * @brief Deregister dac channel in the driver
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								 *
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								 * @param[in] chan_id   DAC channel id
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								 * @return
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								 *      - ESP_ERR_INVALID_STATE The channel has been freed
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								 *      - ESP_ERR_INVALID_ARG   The channel id is incorrect
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								 *      - ESP_OK                Deregister the channel success
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								 */
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								esp_err_t dac_priv_deregister_channel(dac_channel_t chan_id);
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								/**
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								 * @brief Enable the DAC channel and turn on its power
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								 *
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								 * @param chan_id       DAC channel id
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								 * @return
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								 *      - ESP_ERR_INVALID_STATE The channel has not been registered
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								 *      - ESP_ERR_INVALID_ARG   The channel id is incorrect
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								 *      - ESP_OK                Deregister the channel success
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								 */
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								esp_err_t dac_priv_enable_channel(dac_channel_t chan_id);
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								/**
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								 * @brief Disable the DAC channel and turn off its power
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								 *
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								 * @param chan_id       DAC channel id
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								 * @return
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								 *      - ESP_ERR_INVALID_STATE The channel has not been registered
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								 *      - ESP_ERR_INVALID_ARG   The channel id is incorrect
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								 *      - ESP_OK                Deregister the channel success
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								 */
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								esp_err_t dac_priv_disable_channel(dac_channel_t chan_id);
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								#ifdef __cplusplus
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								}
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								#endif
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