kopia lustrzana https://github.com/espressif/esp-idf
172 wiersze
3.8 KiB
C
172 wiersze
3.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2021 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 <stdint.h>
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#include "esp_err.h"
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#include "sdkconfig.h"
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#include "driver/gpio.h"
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#include "driver/dac_types_legacy.h"
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#if !CONFIG_DAC_SUPPRESS_DEPRECATE_WARN
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#warning "The legacy DAC driver is deprecated, please use `driver/dac_oneshot.h`, `driver/dac_cosine.h` or `driver/dac_continuous.h` instead"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Get the GPIO number of a specific DAC channel.
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*
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* @param channel Channel to get the gpio number
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* @param gpio_num output buffer to hold the gpio number
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* @return
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* - ESP_OK if success
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*/
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esp_err_t dac_pad_get_io_num(dac_channel_t channel, gpio_num_t *gpio_num);
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/**
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* @brief Set DAC output voltage.
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* DAC output is 8-bit. Maximum (255) corresponds to VDD3P3_RTC.
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*
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* @note Need to configure DAC pad before calling this function.
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* DAC channel 0 is attached to GPIO25, DAC channel 1 is attached to GPIO26
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* @param channel DAC channel
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* @param dac_value DAC output value
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*
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_output_voltage(dac_channel_t channel, uint8_t dac_value);
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/**
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* @brief DAC pad output enable
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*
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* @param channel DAC channel
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* @note DAC channel 0 is attached to GPIO25, DAC channel 1 is attached to GPIO26
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* I2S left channel will be mapped to DAC channel 1
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* I2S right channel will be mapped to DAC channel 0
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*/
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esp_err_t dac_output_enable(dac_channel_t channel);
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/**
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* @brief DAC pad output disable
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*
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* @param channel DAC channel
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* @note DAC channel 0 is attached to GPIO25, DAC channel 1 is attached to GPIO26
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_output_disable(dac_channel_t channel);
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/**
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* @brief Enable cosine wave generator output.
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*
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_cw_generator_enable(void);
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/**
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* @brief Disable cosine wave generator output.
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*
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_cw_generator_disable(void);
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/**
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* @brief Config the cosine wave generator function in DAC module.
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*
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* @param cw Configuration.
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* @return
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* - ESP_OK success
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* - ESP_ERR_INVALID_ARG The parameter is NULL.
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*/
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esp_err_t dac_cw_generator_config(dac_cw_config_t *cw);
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/*---------------------------------------------------------------
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Digital controller setting
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---------------------------------------------------------------*/
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#if CONFIG_IDF_TARGET_ESP32
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/**
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* @brief Enable DAC output data from I2S
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*
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_i2s_enable(void);
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/**
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* @brief Disable DAC output data from I2S
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*
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_i2s_disable(void);
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#endif // CONFIG_IDF_TARGET_ESP32
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#if CONFIG_IDF_TARGET_ESP32S2
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/**
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* @brief DAC digital controller initialization.
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_digi_init(void);
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/**
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* @brief DAC digital controller deinitialization.
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_digi_deinit(void);
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/**
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* @brief Setting the DAC digital controller.
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*
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* @param cfg Pointer to digital controller parameter. See ``dac_digi_config_t``.
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*
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* @return
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* - ESP_OK success
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* - ESP_ERR_INVALID_ARG Parameter error
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*/
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esp_err_t dac_digi_controller_config(const dac_digi_config_t *cfg);
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/**
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* @brief DAC digital controller start output voltage.
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_digi_start(void);
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/**
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* @brief DAC digital controller stop output voltage.
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_digi_stop(void);
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/**
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* @brief Reset DAC digital controller FIFO.
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_digi_fifo_reset(void);
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/**
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* @brief Reset DAC digital controller.
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* @return
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* - ESP_OK success
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*/
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esp_err_t dac_digi_reset(void);
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#endif // CONFIG_IDF_TARGET_ESP32S2
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#ifdef __cplusplus
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}
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#endif
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