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fix(parlio_rx): fixed incorrect dma buffer length calculation

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laokaiyao
2025-11-10 10:37:49 +08:00
parent 523a43f281
commit 695507d0ea
1 changed files with 3 additions and 2 deletions
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components/esp_driver_parlio/src/parlio_rx.c
+3 -2
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@@ -159,10 +159,10 @@ size_t parlio_rx_mount_transaction_buffer(parlio_rx_unit_handle_t rx_unit, parli
/* Mount body buffer */
size_t mount_size = 0;
size_t offset = 0;
size_t rest_size = trans->aligned_payload.buf.body.length;
for (int i = head_node_num; i < required_node_num - tail_node_num; i++) {
size_t rest_size = trans->aligned_payload.buf.body.length - offset;
if (rest_size >= 2 * PARLIO_MAX_ALIGNED_DMA_BUF_SIZE) {
mount_size = PARLIO_RX_MOUNT_SIZE_CALC(trans->aligned_payload.buf.body.length, body_node_num, trans->alignment);
mount_size = PARLIO_MAX_ALIGNED_DMA_BUF_SIZE;
} else if (rest_size <= PARLIO_MAX_ALIGNED_DMA_BUF_SIZE) {
mount_size = (required_node_num - tail_node_num == 2) && (i == 0) ? PARLIO_RX_MOUNT_SIZE_CALC(rest_size, 2, trans->alignment) : rest_size;
} else {
@@ -175,6 +175,7 @@ size_t parlio_rx_mount_transaction_buffer(parlio_rx_unit_handle_t rx_unit, parli
mount_config[i].flags.mark_eof = false;
mount_config[i].flags.mark_final = GDMA_FINAL_LINK_TO_DEFAULT;
offset += mount_size;
rest_size -= mount_size;
}
/* Mount tail buffer */
if (tail_node_num) {