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refactor(uhci): improve uart_dma_ota example & uhci docs

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add const to UHCI rx callback edata->data
This commit is contained in:
Hu Rui
2026-05-20 11:21:29 +08:00
parent 1adf5e6613
commit b222c61cb8
8 changed files with 83 additions and 75 deletions
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components/esp_driver_uart/src/uhci.c
+2 -2
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@@ -130,7 +130,7 @@ static bool uhci_gdma_rx_callback_done(gdma_channel_handle_t dma_chan, gdma_even
if (cache_line > 0) {
// The per-node buffer base is aligned to cache_line (see uhci_receive), and rx_size here
// equals buffer_size_per_desc_node[] which is also a multiple of cache_line.
esp_cache_msync(evt_data.data, rx_size, ESP_CACHE_MSYNC_FLAG_DIR_M2C);
esp_cache_msync((void *)evt_data.data, rx_size, ESP_CACHE_MSYNC_FLAG_DIR_M2C);
}
if (uhci_ctrl->rx_dir.on_rx_trans_event) {
need_yield |= uhci_ctrl->rx_dir.on_rx_trans_event(uhci_ctrl, &evt_data, uhci_ctrl->user_data);
@@ -166,7 +166,7 @@ static bool uhci_gdma_rx_callback_done(gdma_channel_handle_t dma_chan, gdma_even
// is harmless.
if (cache_line > 0) {
size_t sync_size = (rx_size + cache_line - 1) & ~(cache_line - 1);
esp_cache_msync(evt_data.data, sync_size, ESP_CACHE_MSYNC_FLAG_DIR_M2C);
esp_cache_msync((void *)evt_data.data, sync_size, ESP_CACHE_MSYNC_FLAG_DIR_M2C);
}
if (uhci_ctrl->rx_dir.on_rx_trans_event) {
need_yield |= uhci_ctrl->rx_dir.on_rx_trans_event(uhci_ctrl, &evt_data, uhci_ctrl->user_data);