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Chip/support esp32c61 v5.5

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This commit is contained in:
Jiang Jiang Jian
2025-07-22 12:21:36 +08:00
parent 7bed0d3937
commit 3c39b32195
375 changed files with 44801 additions and 39121 deletions
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components/esp_hw_support/dma/gdma_link.c
+24
View File
@@ -283,3 +283,27 @@ size_t gdma_link_count_buffer_size_till_eof(gdma_link_list_handle_t list, int st
}
return buf_size;
}
void *gdma_link_get_buffer(gdma_link_list_handle_t list, int item_index)
{
if (!list) {
return NULL;
}
int num_items = list->num_items;
// ensure the item_index is between 0 and `num_items - 1`
item_index = (item_index % num_items + num_items) % num_items;
gdma_link_list_item_t *lli = (gdma_link_list_item_t *)(list->items_nc + item_index * list->item_size);
return lli->buffer;
}
size_t gdma_link_get_length(gdma_link_list_handle_t list, int item_index)
{
if (!list) {
return 0;
}
int num_items = list->num_items;
// ensure the item_index is between 0 and `num_items - 1`
item_index = (item_index % num_items + num_items) % num_items;
gdma_link_list_item_t *lli = (gdma_link_list_item_t *)(list->items_nc + item_index * list->item_size);
return lli->dw0.length;
}
components/esp_hw_support/dma/include/esp_private/gdma_link.h
+18
View File
@@ -176,6 +176,24 @@ esp_err_t gdma_link_get_owner(gdma_link_list_handle_t list, int item_index, gdma
*/
size_t gdma_link_count_buffer_size_till_eof(gdma_link_list_handle_t list, int start_item_index);
/**
* @brief Get the buffer of a DMA link list item
*
* @param[in] list Link list handle, allocated by `gdma_new_link_list`
* @param[in] item_index Index of the link list item
* @return Buffer of the link list item
*/
void* gdma_link_get_buffer(gdma_link_list_handle_t list, int item_index);
/**
* @brief Get the length of the buffer of a DMA link list item
*
* @param[in] list Link list handle, allocated by `gdma_new_link_list`
* @param[in] item_index Index of the link list item
* @return Length of the buffer of the link list item
*/
size_t gdma_link_get_length(gdma_link_list_handle_t list, int item_index);
#ifdef __cplusplus
}
#endif