CO2Reader.py 文件源码

def connect(self):
        """
        Open tty connection to sensor
        """
        if self.link is not None:
            self.disconnect()
        self.link = serial.Serial(self.port, 9600, bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE,
                                  stopbits=serial.STOPBITS_ONE, dsrdtr=True, timeout=5, interCharTimeout=0.1)