Make sure we are done writing before setting a new baudrate

skot · Nov 20, 2024 · a5511d2 · a5511d2
1 parent 1787306
commit a5511d2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/components/asic/serial.c b/components/asic/serial.c
@@ -46,6 +46,10 @@ void SERIAL_init(void)
 void SERIAL_set_baud(int baud)
 {
     ESP_LOGI(TAG, "Changing UART baud to %i", baud);
+
+    // Make sure that we are done writing before setting a new baudrate.
+    uart_wait_tx_done(UART_NUM_1, 1000 / portTICK_PERIOD_MS);
+
     uart_set_baudrate(UART_NUM_1, baud);
 }