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fix(drivers): enlarge the default DMA burst size in peripheral drivers

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morris
2025-12-23 10:15:37 +08:00
parent e5d0955864
commit 95ea240f1c
5 changed files with 5 additions and 5 deletions
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components/esp_driver_parlio/src/parlio_rx.c
+1 -1
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@@ -460,7 +460,7 @@ static esp_err_t parlio_rx_unit_init_dma(parlio_rx_unit_handle_t rx_unit, size_t
gdma_apply_strategy(rx_unit->dma_chan, &gdma_strategy_conf);
// configure DMA transfer parameters
rx_unit->dma_burst_size = dma_burst_size ? dma_burst_size : 16;
rx_unit->dma_burst_size = dma_burst_size ? dma_burst_size : 32;
gdma_transfer_config_t trans_cfg = {
.max_data_burst_size = rx_unit->dma_burst_size, // Enable DMA burst transfer for better performance,
.access_ext_mem = true,
components/esp_driver_parlio/src/parlio_tx.c
+1 -1
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@@ -154,7 +154,7 @@ static esp_err_t parlio_tx_unit_init_dma(parlio_tx_unit_t *tx_unit, const parlio
// configure DMA transfer parameters
gdma_transfer_config_t trans_cfg = {
.max_data_burst_size = config->dma_burst_size ? config->dma_burst_size : 16, // Enable DMA burst transfer for better performance,
.max_data_burst_size = config->dma_burst_size ? config->dma_burst_size : 32, // Enable DMA burst transfer for better performance,
.access_ext_mem = true, // support transmit PSRAM buffer
};
ESP_RETURN_ON_ERROR(gdma_config_transfer(tx_unit->dma_chan, &trans_cfg), TAG, "config DMA transfer failed");