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https://github.com/espressif/esp-idf.git
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77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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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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