rs485串口服务器转以太网设置说明（USBRS485串口UDP转MQTT网络通信协议对接方案）

rs485串口服务器转以太网设置说明（USBRS485串口UDP转MQTT网络通信协议对接方案）client = mqtt.Client()print(‘local IP :’ myaddr)myaddr = socket.gethostbyname(myname)serverSocket = socket.socket(socket.AF_INET socket.SOCK_DGRAM)serverSocket.bind((myaddr UDPserverPort))

try:

# 获取本机名称

myname = socket.getfqdn(socket.gethostname())

# 获取本机ip

myaddr = socket.gethostbyname(myname)

serverSocket = socket.socket(socket.AF_INET socket.SOCK_DGRAM)

serverSocket.bind((myaddr UDPserverPort))

print(‘local IP :’ myaddr)

client = mqtt.Client()

#client.username_pw_set(‘MQTT’ ‘MQTTPW’)

client.on_connect = on_connect

client.on_message = on_message

client.connect(MQTThost MQTTport 600) # 600为keepalive的时间间隔

except Exception as e:

print(e)