import serial

with serial.Serial(port='COM6', timeout=1) as ser:
    ser.baudrate = 74880
    
    while True:
        msg = ser.readline()
        if msg:
            try:
                print(msg.decode(), flush=True, sep='' ,end='')
            except:
                pass

            if msg == b'ld\r\n':
                ser.baudrate = 74880
            if msg == b'[OTA] End\r\n':
                ser.baudrate = 115200