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gdma_link_get_owner() function
Get the ownership of a DMA link list item
Syntax
esp_err_t gdma_link_get_owner(gdma_link_list_handle_t list,
int item_index,
gdma_lli_owner_t *owner);
Implemented in ![]()
gdma_link.c:253
Return value
- ESP_OK: Get the ownership successfully - ESP_ERR_INVALID_ARG: Get the ownership failed because of invalid argument - ESP_FAIL: Get the ownership failed because of other error
Related Functions
Found 7 other functions taking a ![]()
gdma_link_list_t
argument:
Function
Description
Mount one or more buffers to a given link list
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 size of the buffer that is mounted to the link list until the eof item (inclusive)
References
Code
Location
Call Tree
gdma_link_get_owner() calls 3 functions:
Data Use
gdma_link_get_owner() reads 7 variables: