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refactor(gdma): move buffer aligment to buffer mount config

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This commit is contained in:
Chen Jichang
2025-10-10 17:44:54 +08:00
parent efd5dbbe45
commit 0c733c2018
12 changed files with 62 additions and 41 deletions
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components/esp_driver_parlio/src/parlio_tx.c
+2 -1
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@@ -184,7 +184,6 @@ static esp_err_t parlio_tx_unit_init_dma(parlio_tx_unit_t *tx_unit, const parlio
size_t buffer_alignment = MAX(tx_unit->int_mem_align, tx_unit->ext_mem_align);
size_t num_dma_nodes = esp_dma_calculate_node_count(config->max_transfer_size, buffer_alignment, PARLIO_DMA_DESCRIPTOR_BUFFER_MAX_SIZE);
gdma_link_list_config_t dma_link_config = {
.buffer_alignment = buffer_alignment,
.item_alignment = PARLIO_DMA_DESC_ALIGNMENT,
.num_items = num_dma_nodes,
};
@@ -473,9 +472,11 @@ esp_err_t parlio_tx_unit_register_event_callbacks(parlio_tx_unit_handle_t tx_uni
static void parlio_mount_buffer(parlio_tx_unit_t *tx_unit, parlio_tx_trans_desc_t *t)
{
size_t buffer_alignment = esp_ptr_internal(t->payload) ? tx_unit->int_mem_align : tx_unit->ext_mem_align;
// DMA transfer data based on bytes not bits, so convert the bit length to bytes, round up
gdma_buffer_mount_config_t mount_config = {
.buffer = (void *)t->payload,
.buffer_alignment = buffer_alignment,
.length = (t->payload_bits + 7) / 8,
.flags = {
// if transmission is loop, we don't need to generate the EOF for 1-bit data width, DIG-559