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dac_dma: Support DAC_DMA on esp32s2

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Cao Sen Miao
2021-05-10 15:23:45 +08:00
committed by laokaiyao
parent 8e9b1e8a7a
commit 9e4ff3d374
9 changed files with 566 additions and 194 deletions
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40
components/driver/esp32s2/include/driver/dac.h
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@@ -20,14 +20,48 @@ extern "C" {
* @return
* - ESP_OK success
*/
esp_err_t dac_digi_init(void);
esp_err_t __attribute__((unused)) dac_digi_init(void);
/**
* @brief Initialize the Digital DAC.
*
* @param init_cfg Pointer to Digital DAC initilization config. Refer to ``dac_digi_config_t``.
*
* @return
* - ESP_ERR_INVALID_ARG If the combination of arguments is invalid.
* - ESP_ERR_NOT_FOUND No free interrupt found with the specified flags
* - ESP_ERR_NO_MEM If out of memory
* - ESP_OK On success
*/
esp_err_t dac_digi_initialize(const dac_digi_config_t *init_cfg);
/**
* @brief DAC digital controller deinitialization.
* @return
* - ESP_OK success
*/
esp_err_t dac_digi_deinit(void);
esp_err_t __attribute__((unused)) dac_digi_deinit(void);
/**
* @brief Deinitialize the Digital DAC.
*
* @return
* - ESP_ERR_INVALID_STATE Driver state is invalid.
* - ESP_OK On success
*/
esp_err_t dac_digi_deinitialize(void);
/**
* @brief Write bytes to Digital DAC through DMA.
*
* @param[in] buffer Buffer to write to DAC.
*
* @return
* - ESP_ERR_INVALID_STATE Driver state is invalid. Usually it means the ADC sampling rate is faster than the task processing rate.
* - ESP_ERR_TIMEOUT Operation timed out
* - ESP_OK On success
*/
esp_err_t dac_digi_write_bytes(const void *buffer);
/**
* @brief Setting the DAC digital controller.
@@ -38,7 +72,7 @@ esp_err_t dac_digi_deinit(void);
* - ESP_OK success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t dac_digi_controller_config(const dac_digi_config_t *cfg);
esp_err_t __attribute__((unused)) dac_digi_controller_config(const dac_digi_config_t *cfg);
/**
* @brief DAC digital controller start output voltage.