nilan_connectiontest.py 文件源码

def __init__(self, portname, slaveaddress=30):
        minimalmodbus.Instrument.__init__(self, portname, slaveaddress)

        self.serial.baudrate = 19200
        self.serial.parity = serial.PARITY_EVEN
        self.serial.timeout = 1.0  #timeout to 1000ms because I discovered roundtrip times as high as 898.5 ms

        self.mode = minimalmodbus.MODE_RTU