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

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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_i3c/i3c_master.c
+2 -4
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@@ -293,8 +293,7 @@ static esp_err_t i3c_master_init_dma(i3c_master_bus_t *i3c_master_handle, const
.flags.isr_cache_safe = true,
#endif
};
dma_cfg.direction = GDMA_CHANNEL_DIRECTION_TX;
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_cfg, &i3c_master_handle->dma_tx_chan), TAG, "DMA tx channel alloc failed");
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_cfg, &i3c_master_handle->dma_tx_chan, NULL), TAG, "DMA tx channel alloc failed");
gdma_connect(i3c_master_handle->dma_tx_chan, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_I3C, 0));
gdma_transfer_config_t transfer_cfg = {
@@ -316,8 +315,7 @@ static esp_err_t i3c_master_init_dma(i3c_master_bus_t *i3c_master_handle, const
ESP_RETURN_ON_ERROR(gdma_new_link_list(&dma_link_config, &i3c_master_handle->tx_dma_link), TAG, "DMA tx link list alloc failed");
// Initialize DMA RX channel
dma_cfg.direction = GDMA_CHANNEL_DIRECTION_RX;
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_cfg, &i3c_master_handle->dma_rx_chan), TAG, "DMA rx channel alloc failed");
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_cfg, NULL, &i3c_master_handle->dma_rx_chan), TAG, "DMA rx channel alloc failed");
gdma_connect(i3c_master_handle->dma_rx_chan, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_I3C, 0));
ESP_RETURN_ON_ERROR(gdma_config_transfer(i3c_master_handle->dma_rx_chan, &transfer_cfg), TAG, "Config DMA rx channel transfer failed");