UART: Add return in uart_wait_tx_done
uart_wait_tx_done quit due to timeout but without return ESP_ERR_TIMEOUT.
@@ -1024,6 +1024,7 @@ esp_err_t uart_wait_tx_done(uart_port_t uart_num, TickType_t ticks_to_wait)
uart_hal_disable_intr_mask(&(uart_context[uart_num].hal), UART_INTR_TX_DONE);
UART_EXIT_CRITICAL(&(uart_context[uart_num].spinlock));
xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);
+ return ESP_ERR_TIMEOUT;
}
xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);
return ESP_OK;
