ut803.py 文件源码

def __init__(self, tty, timeout=2):
        self.conn = serial.Serial(tty,
                       baudrate=19200,
                       bytesize=serial.SEVENBITS,
                       parity=serial.PARITY_ODD,
                       stopbits=serial.STOPBITS_ONE,
                       timeout=timeout,
                       xonxoff=1,
                       rtscts=0,
                       dsrdtr=0
                       )
        # switch on power for hardware RS232
        # transmitter via handshake-signals
        self.conn.dtr = True
        self.conn.rts = False