forked from espressif/arduino-esp32
IDF master c13afea63 (#5214)
esp-dsp: master 7cc5073 esp-face: master 420fc7e esp-rainmaker: f1b82c7 esp32-camera: master 6f8489e esp_littlefs: master b58f00c
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@ -155,6 +155,7 @@ esp_err_t gdma_new_channel(const gdma_channel_alloc_config_t *config, gdma_chann
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* @brief Connect GDMA channel to trigger peripheral
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*
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* @note Suggest to use helper macro `GDMA_MAKE_TRIGGER` to construct parameter `trig_periph`. e.g. GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_SHA,0)
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* @note Connecting to a peripheral will also reset the DMA FIFO and FSM automatically
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*
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* @param[in] dma_chan GDMA channel handle, allocated by `gdma_new_channel`
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* @param[in] trig_periph GDMA trigger peripheral
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@ -279,6 +280,18 @@ esp_err_t gdma_stop(gdma_channel_handle_t dma_chan);
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*/
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esp_err_t gdma_append(gdma_channel_handle_t dma_chan);
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/**
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* @brief Reset DMA channel FIFO and internal finite state machine
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* @note Resetting a DMA channel won't break the connection with the target peripheral
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*
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* @param[in] dma_chan GDMA channel handle, allocated by `gdma_new_channel`
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* @return
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* - ESP_OK: DMA channel reset successfully
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* - ESP_ERR_INVALID_ARG: DMA channel reset failed due to invalid arguments
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* - ESP_FAIL: DMA channel reset failed due to other errors
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*/
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esp_err_t gdma_reset(gdma_channel_handle_t dma_chan);
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#ifdef __cplusplus
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}
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#endif
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