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

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This commit is contained in:
morris
2026-01-07 22:44:54 +08:00
parent 78206e9f1e
commit 7909976e0f
31 changed files with 336 additions and 365 deletions
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components/esp_driver_rmt/src/rmt_rx.c
+1 -2
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@@ -43,12 +43,11 @@ static inline void rmt_rx_mount_dma_buffer(rmt_rx_channel_t *rx_chan, const void
static esp_err_t rmt_rx_init_dma_link(rmt_rx_channel_t *rx_channel, const rmt_rx_channel_config_t *config)
{
gdma_channel_alloc_config_t dma_chan_config = {
.direction = GDMA_CHANNEL_DIRECTION_RX,
#if CONFIG_RMT_RX_ISR_CACHE_SAFE
.flags.isr_cache_safe = true,
#endif
};
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_chan_config, &rx_channel->base.dma_chan), TAG, "allocate RX DMA channel failed");
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_chan_config, NULL, &rx_channel->base.dma_chan), TAG, "allocate RX DMA channel failed");
gdma_transfer_config_t transfer_cfg = {
.access_ext_mem = true, // support receive buffer to PSRAM
.max_data_burst_size = 32,
components/esp_driver_rmt/src/rmt_tx.c
+1 -2
View File
@@ -32,12 +32,11 @@ static bool rmt_dma_tx_eof_cb(gdma_channel_handle_t dma_chan, gdma_event_data_t
static esp_err_t rmt_tx_init_dma_link(rmt_tx_channel_t *tx_channel, const rmt_tx_channel_config_t *config)
{
gdma_channel_alloc_config_t dma_chan_config = {
.direction = GDMA_CHANNEL_DIRECTION_TX,
#if CONFIG_RMT_TX_ISR_CACHE_SAFE
.flags.isr_cache_safe = true,
#endif
};
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_chan_config, &tx_channel->base.dma_chan), TAG, "allocate TX DMA channel failed");
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_chan_config, &tx_channel->base.dma_chan, NULL), TAG, "allocate TX DMA channel failed");
gdma_strategy_config_t gdma_strategy_conf = {
.auto_update_desc = true,
.owner_check = true,