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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_i2s/i2s_common.c
+2 -4
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@@ -821,17 +821,15 @@ esp_err_t i2s_init_dma_intr(i2s_chan_handle_t handle, int intr_flag)
#endif
};
if (handle->dir == I2S_DIR_TX) {
dma_cfg.direction = GDMA_CHANNEL_DIRECTION_TX;
/* Register a new GDMA tx channel */
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_cfg, &handle->dma.dma_chan), TAG, "Register tx dma channel error");
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_cfg, &handle->dma.dma_chan, NULL), TAG, "Register tx dma channel error");
ESP_GOTO_ON_ERROR(gdma_connect(handle->dma.dma_chan, trig), err1, TAG, "Connect tx dma channel error");
gdma_tx_event_callbacks_t cb = {.on_trans_eof = i2s_dma_tx_callback};
/* Set callback function for GDMA, the interrupt is triggered by GDMA, then the GDMA ISR will call the callback function */
ESP_GOTO_ON_ERROR(gdma_register_tx_event_callbacks(handle->dma.dma_chan, &cb, handle), err2, TAG, "Register tx callback failed");
} else {
dma_cfg.direction = GDMA_CHANNEL_DIRECTION_RX;
/* Register a new GDMA rx channel */
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_cfg, &handle->dma.dma_chan), TAG, "Register rx dma channel error");
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_cfg, NULL, &handle->dma.dma_chan), TAG, "Register rx dma channel error");
ESP_GOTO_ON_ERROR(gdma_connect(handle->dma.dma_chan, trig), err1, TAG, "Connect rx dma channel error");
gdma_rx_event_callbacks_t cb = {.on_recv_eof = i2s_dma_rx_callback};
/* Set callback function for GDMA, the interrupt is triggered by GDMA, then the GDMA ISR will call the callback function */