serial.py 文件源码

def __init__(self, device='/dev/ttyUSB0', baudrate=9600, rst='-rts', debug=False):
        self._sl = serial.Serial(
                port = device,
                parity = serial.PARITY_EVEN,
                bytesize = serial.EIGHTBITS,
                stopbits = serial.STOPBITS_TWO,
                timeout = 1,
                xonxoff = 0,
                rtscts = 0,
                baudrate = baudrate,
            )
        self._rst_pin = rst
        self._debug = debug