gdma_link_concat() function

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

Syntax

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Summary

Declaration

Definition

from gdma_link.h:131

esp_err_t gdma_link_concat(gdma_link_list_handle_t first_link, int first_link_item_index, gdma_link_list_handle_t second_link, int second_link_item_index);

Implemented in gdma_link.c:226

Arguments

Argument

Description

first_link

First link list handle, allocated by `gdma_new_link_list`

first_link_item_index

Index of the item in the first link list (-1 means the last item)

second_link

Second link list handle, allocated by `gdma_new_link_list`

second_link_item_index

Index of the item in the second link list (-1 means the last item)

Return value

- ESP_OK: Concatenate the link lists successfully - ESP_ERR_INVALID_ARG: Concatenate the link lists failed because of invalid argument - ESP_FAIL: Concatenate the link lists failed because of other error