Reduced time of read_waiting_interval from 50ms to 1ms

src/serial.rs

@@ -119,7 +119,7 @@ impl SerialQueue {
     /// Open the serial port and start a thread to write data as soon as it is
     /// available (by using a channel)
     fn open(port: &str, baudrate: u32) -> SResult<Self> {
-        let read_waiting_interval = Duration::from_millis(50);
+        let read_waiting_interval = Duration::from_millis(1);
         let serial = Arc::new(Mutex::new(Some(
             serialport::new(port, baudrate)
                 .timeout(read_waiting_interval)