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gdma_link_mount_buffers() function
Mount one or more buffers to a given link list
Syntax
esp_err_t gdma_link_mount_buffers(gdma_link_list_handle_t list,
int start_item_index,
const gdma_buffer_mount_config_t *buf_config_array,
size_t num_buf,
int *end_item_index);
Implemented in ![]()
gdma_link.c:138
Return value
- ESP_OK: Mount the buffer successfully - ESP_ERR_INVALID_ARG: Mount the buffer failed because of invalid argument - ESP_FAIL: Mount the buffer failed because of other error
Notes
Different buffers won't be mounted to the same DMA link list item After mount to the last list item, the next list item will be the head item (wrap around)
Related Functions
Found 7 other functions taking a ![]()
gdma_link_list_t
argument:
Function
Description
Delete a DMA link list
Create a DMA link list
Get the address of the head item in the link list
Set the ownership for a DMA link list item
Concatenate two link lists as follows: Link A: A1 --> A2 --> A3 --> A4 | item_index +-----+ | v item_index Link B: B1 --> B2 --> B3 --> B4 After concatenation: Link A: A1 --> B3 --> B4 Link B: B1 --> B2 --> B3 --> B4
Get the ownership of a DMA link list item
Get the size of the buffer that is mounted to the link list until the eof item (inclusive)