Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-06-09 06:36:35 +03:00
Code Issues Packages Projects Releases Wiki Activity

refactor(gdma): channel allocation can return both direction within the same call

Browse Source
This commit is contained in:
morris
2025-12-23 10:34:07 +08:00
parent 7c218e6531
commit fb1b53c7c5
31 changed files with 336 additions and 365 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
components/esp_driver_uart/src/uhci.c
View File

@@ -173,12 +173,11 @@ static esp_err_t uhci_gdma_initialize(uhci_controller_handle_t uhci_ctrl, const
{
// Initialize DMA TX channel
gdma_channel_alloc_config_t tx_alloc_config = {
.direction = GDMA_CHANNEL_DIRECTION_TX,
#if CONFIG_UHCI_ISR_CACHE_SAFE
.flags.isr_cache_safe = true,
#endif
};
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&tx_alloc_config, &uhci_ctrl->tx_dir.dma_chan), TAG, "DMA tx channel alloc failed");
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&tx_alloc_config, &uhci_ctrl->tx_dir.dma_chan, NULL), TAG, "DMA tx channel alloc failed");
gdma_connect(uhci_ctrl->tx_dir.dma_chan, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_UHCI, 0));
gdma_transfer_config_t transfer_cfg = {
@@ -207,12 +206,11 @@ static esp_err_t uhci_gdma_initialize(uhci_controller_handle_t uhci_ctrl, const
// Initialize DMA RX channel
gdma_channel_alloc_config_t rx_alloc_config = {
.direction = GDMA_CHANNEL_DIRECTION_RX,
#if CONFIG_UHCI_ISR_CACHE_SAFE
.flags.isr_cache_safe = true,
#endif
};
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&rx_alloc_config, &uhci_ctrl->rx_dir.dma_chan), TAG, "DMA rx channel alloc failed");
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&rx_alloc_config, NULL, &uhci_ctrl->rx_dir.dma_chan), TAG, "DMA rx channel alloc failed");
gdma_connect(uhci_ctrl->rx_dir.dma_chan, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_UHCI, 0));
ESP_RETURN_ON_ERROR(gdma_config_transfer(uhci_ctrl->rx_dir.dma_chan, &transfer_cfg), TAG, "Config DMA rx channel transfer failed");