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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/bt/porting/transport/driver/uart/hci_driver_uart_dma.c
+2 -11
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@@ -437,18 +437,9 @@ static void hci_driver_uart_dma_install(void)
periph_module_enable(PERIPH_UHCI0_MODULE);
periph_module_reset(PERIPH_UHCI0_MODULE);
// install DMA driver
gdma_channel_alloc_config_t tx_channel_config = {
.flags.reserve_sibling = 1,
.direction = GDMA_CHANNEL_DIRECTION_TX,
};
gdma_channel_alloc_config_t channel_config = {0};
ESP_ERROR_CHECK(gdma_new_ahb_channel(&tx_channel_config, &s_tx_channel));
gdma_channel_alloc_config_t rx_channel_config = {
.direction = GDMA_CHANNEL_DIRECTION_RX,
.sibling_chan = s_tx_channel,
};
ESP_ERROR_CHECK(gdma_new_ahb_channel(&rx_channel_config, &s_rx_channel));
ESP_ERROR_CHECK(gdma_new_ahb_channel(&channel_config, &s_tx_channel, &s_rx_channel));
gdma_connect(s_tx_channel, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_UHCI, 0));
gdma_connect(s_rx_channel, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_UHCI, 0));
gdma_strategy_config_t strategy_config = {