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gdma_reset() function
Reset DMA channel FIFO and internal finite state machine
Syntax
Return value
- ESP_OK: DMA channel reset successfully - ESP_ERR_INVALID_ARG: DMA channel reset failed due to invalid arguments - ESP_FAIL: DMA channel reset failed due to other errors
Notes
This function is allowed to run within ISR context This function is also allowed to run when Cache is disabled, if `CONFIG_GDMA_CTRL_FUNC_IN_IRAM` is enabled Resetting a DMA channel won't break the connection with the target peripheral
Related Functions
Found 18 other functions taking a ![]()
gdma_channel_t
argument:
Function
Description
Create AHB-GDMA channel
Connect GDMA channel to trigger peripheral
Apply channel strategy for GDMA channel
Set DMA descriptor address and start engine
Set GDMA event callbacks for TX channel
Set GDMA event callbacks for RX channel
Create AXI-GDMA channel
Disconnect GMA channel from peripheral
Configure transfer parameters for a DMA channel
Get the alignment constraints for internal and external memory
Set GDMA channel priority
Delete GDMA channel
Get the group ID and the channel ID
Stop DMA engine
Make the appended descriptors be aware to the DMA engine
Get the mask of free M2M trigger IDs
Deprecated APIs (will be removed in esp-idf 6.0) @cond Create GDMA channel (Legacy API)
Set DMA channel transfer ability