NodeMCU之简易init.lua控制led灯脚本

mySSID="xxxx"
myPWD="xxxxxxxxx"
wifi.setmode(wifi.STATION)
wifi.sta.config(mySSID,myPWD)
wifi.sta.connect()
tmr.alarm(1, 1000, 1, function()
     if wifi.sta.getip() == nil then
         print("Connecting...")
     else
         tmr.stop(1)
         print("Connected, IP is "..wifi.sta.getip())
		 --dofile("led.lua")
         print("here")
         mqttServerIP = "123.56.160.221"
                  mqttClientID = "/nodemcu2"
                    
                  lighton=0
                  pin=4
                  gpio.mode(pin,gpio.OUTPUT)
                    
                  m = mqtt.Client(mqttClientID, 120)
                    
                  m:lwt("/lwt", "offline", 0, 0)
                    
                  m:on("connect", function(client) print ("connected") end)
                  m:on("offline", function(client) print ("offline") end)
                    
                  m:on("message",
                      function(client, topic, data)
                          if data == "1" then
                              gpio.write(pin,gpio.HIGH)
                          end
                          if data == "0" then
                              gpio.write(pin,gpio.LOW)
                          end
                      end
                  )
                    
                  m:connect(mqttServerIP, 1883, 0,
                      function(client)
                          print("mqtt connected")
                          m:subscribe("/nodemcu2/LED",0, function(client) print("subscribe success") end)
                      end,
                      function(client, reason)
                          print("mqtt connection failed reason: "..reason)
                      end
                  )
         
     end
end)

简易脚本