11-开发板接入小五物联实现远程控制(Wi-Fi模块,远程升级自己的程序)

local RelayNowState=0
local RelayNowStateCopy=0
globalSendData ="nil";

local UsartReceiveData="";
local UsartReceiveDataCnt=0;
local UsartReceiveDataCntCopy=0;

RelayPin = 2;

if  file.open("switch.lua", "r") then
    if  file.read() == "relay=1" then
        gpio.write(RelayPin,1)
        gpio.mode(RelayPin,gpio.OUTPUT)
        print("relay=1")
    else
        gpio.write(RelayPin,0)
        gpio.mode(RelayPin,gpio.OUTPUT)
        print("relay=0")
    end
    file.close();
end

local DataDisposeTimerCnt = 0;
local DataDisposeTimer = tmr.create()
DataDisposeTimer:register(10, 1, function() 
    RelayNowState = gpio.read(RelayPin)
    if  RelayNowState ~= RelayNowStateCopy then
        RelayNowStateCopy = RelayNowState
        globalSendData = "switch;relay="..RelayNowState
    end

    if  UsartReceiveDataCnt ~= 0 then
        DataDisposeTimerCnt=DataDisposeTimerCnt + 1;
    if  DataDisposeTimerCnt>=10 then
            UsartReceiveDataCnt = 0;
        DataDisposeTimerCnt=0;
            globalSendData = UsartReceiveData;
            UsartReceiveData="";
    end
    end
    if  Mymqtt ~= nil and MqttConnectedFlage == true then
        if  globalSendData ~= "nil" then
            Mymqtt:publish(PublishTopic,globalSendData, 0, 0, function(client)
            end)
            globalSendData = "nil"
        end
    end
end)
DataDisposeTimer:start()

function MqttDisposeMethod(client, topic, data)
    uart.write(0,data)
    list = split(data, ';')
    if  string.find(list[1],"switch") ~= nil then
        if  list[2] ~= nil then
            if  file.open(list[1]..".lua", "w+") then
                file.write(list[2])
                file.close()
            end
            if  list[2] == "relay=0"  then
                 gpio.write(RelayPin,0)
                 gpio.mode(RelayPin,gpio.OUTPUT)
            elseif  list[2] == "relay=1"  then
                 gpio.write(RelayPin,1)
                 gpio.mode(RelayPin,gpio.OUTPUT)
            end
            globalSendData = data;
        end
    elseif  string.find(list[1],"query")  then
        if  list[2] ~= nil then
            if  list[2] == "switch" then
                RelayNowState = gpio.read(RelayPin)
                globalSendData = "switch;relay="..RelayNowState
            end
        end
    end
end

--[[
uart.setup(0, 115200, 8, uart.PARITY_NONE, uart.STOPBITS_1)
uart.on("data",0,function(data)
    UsartReceiveData = UsartReceiveData..data;
    UsartReceiveDataCnt = UsartReceiveDataCnt + 1;
    DataDisposeTimerCnt = 0;
end, 0)]]