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Merge branch 'bugfix/uart_sw_flow_ctrl_xoff_char_v5.4' into 'release/v5.4'

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fix(uart): fix uart sw flow ctrl XOFF char write to wrong reg on ESP32C6 (v5.4)

See merge request espressif/esp-idf!50526
This commit is contained in:
morris
2026-07-15 12:21:08 +08:00
parent 5e55d7ad54 f12a7d627a
commit 8f81763614
10 changed files with 270 additions and 17 deletions
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components/esp_driver_uart/src/uart.c
+2 -6
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@@ -2105,9 +2105,7 @@ esp_err_t uart_set_rx_full_threshold(uart_port_t uart_num, int threshold)
return ESP_ERR_INVALID_STATE;
}
UART_ENTER_CRITICAL(&(uart_context[uart_num].spinlock));
if (uart_hal_get_intr_ena_status(&(uart_context[uart_num].hal)) & UART_INTR_RXFIFO_FULL) {
uart_hal_set_rxfifo_full_thr(&(uart_context[uart_num].hal), threshold);
}
uart_hal_set_rxfifo_full_thr(&(uart_context[uart_num].hal), threshold);
UART_EXIT_CRITICAL(&(uart_context[uart_num].spinlock));
return ESP_OK;
}
@@ -2122,9 +2120,7 @@ esp_err_t uart_set_tx_empty_threshold(uart_port_t uart_num, int threshold)
return ESP_ERR_INVALID_STATE;
}
UART_ENTER_CRITICAL(&(uart_context[uart_num].spinlock));
if (uart_hal_get_intr_ena_status(&(uart_context[uart_num].hal)) & UART_INTR_TXFIFO_EMPTY) {
uart_hal_set_txfifo_empty_thr(&(uart_context[uart_num].hal), threshold);
}
uart_hal_set_txfifo_empty_thr(&(uart_context[uart_num].hal), threshold);
UART_EXIT_CRITICAL(&(uart_context[uart_num].spinlock));
return ESP_OK;
}