AirQuality.py 文件源码

def __init__(self):
        self.ser = serial.Serial(
            port='/dev/ttyAMA0',              # number of device, numbering starts at
            baudrate=9600,          # baud rate
            bytesize=serial.EIGHTBITS,     # number of databits
            parity=serial.PARITY_NONE,     # enable parity checking
            stopbits=serial.STOPBITS_ONE,  # number of stopbits
            timeout=2,           # set a timeout value, None for waiting forever
            xonxoff=0,              # enable software flow control
            rtscts=0,               # enable RTS/CTS flow control
       )