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PIN 0 板上帶有l(wèi)ed燈，用來(lái)做收信指示。正常為閃動(dòng) 亮燈時(shí)間為發(fā)送到接受到信號(hào)的時(shí)間失聯(lián)為常亮并延時(shí)后重啟模塊
接口1   1k =開(kāi) 1g=關(guān)
接口2   2k =開(kāi) 2g=關(guān)
.....
接口6   6k =開(kāi) 6g =關(guān)
接口7 cx7 =查詢輸入7電位（1為打開(kāi)0為關(guān)閉）已短接在接口1
接口8 cx8 =查詢輸入8電位（1為打開(kāi)0為關(guān)閉）已短接在接口2

代碼為kaiguan.lub修改來(lái)的剛?cè)腴T，放上來(lái)交流交流

--定義變量
DEVICEID = "1370"
APIKEY = "bXXXXXX5"
INPUTID = "1XXXXX6"
host = host or "www.placeboworld.cn"
port = port or 8181
--存活標(biāo)記
bLive=0

--初始化GPIO列表
OUTList={1,2,3,4,5,6,0}
for i,v in ipairs(OUTList) do
   print("GPIO:"..v)
   gpio.mode(tonumber(v),gpio.OUTPUT)
   print("GPIO:"..v.."OUTPUT")
end
gpio.mode(7,gpio.INPUT)
   gpio.mode(8,gpio.INPUT)
   gpio.write(0,gpio.LOW)
   gpio.write(1,gpio.LOW)
   gpio.write(2,gpio.LOW)
   gpio.write(3,gpio.LOW)
   gpio.write(4,gpio.LOW)
   gpio.write(5,gpio.LOW)
   gpio.write(6,gpio.LOW)
   gpio.write(7,gpio.LOW)
   gpio.write(8,gpio.LOW)
--連接服務(wù)器(TCP連接)
cu = net.createConnection(net.TCP)
cu:connect(port, host)
--接收處理
cu:on("receive", function(cu, c)
print(c)
r = cjson.decode(c)
--如果存貨標(biāo)記為1,置為0
if bLive==1 then
   if r.M=="isOL" then
gpio.write(0, gpio.HIGH)
       bLive=0
end
end
--如果是say代表命令
if r.M == "say" then
gpio.write(0, gpio.LOW)
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C="Y0 turn off!"})
cu:send( stoped.."\n" )
if r.C == "1k" then
gpio.write(1, gpio.HIGH)
ok, played = pcall(cjson.encode, {M="say",ID=r.ID,C="Y1 turn on!"})
cu:send( played.."\n" )
end
if r.C == "1g" then
gpio.write(1, gpio.LOW)
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C="Y1 turn off!"})
cu:send( stoped.."\n" )
end
if r.C == "2k" then
gpio.write(2, gpio.HIGH)
ok, played = pcall(cjson.encode, {M="say",ID=r.ID,C="Y2 turn on!"})
cu:send( played.."\n" )
end
if r.C == "2g" then
gpio.write(2, gpio.LOW)
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C="Y2 turn off!"})
cu:send( stoped.."\n" )
end
if r.C == "3k" then
gpio.write(3, gpio.HIGH)
ok, played = pcall(cjson.encode, {M="say",ID=r.ID,C="Y3 turn on!"})
cu:send( played.."\n" )
end
if r.C == "3g" then
gpio.write(3, gpio.LOW)
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C="Y3 turn off!"})
cu:send( stoped.."\n" )
end
if r.C == "4k" then
gpio.write(LED4, gpio.HIGH)
ok, played = pcall(cjson.encode, {M="say",ID=r.ID,C="Y4 turn on!"})
cu:send( played.."\n" )
end
if r.C == "4g" then
gpio.write(4, gpio.LOW)
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C="Y4 turn off!"})
cu:send( stoped.."\n" )
end
if r.C == "5k" then
gpio.write(5, gpio.HIGH)
ok, played = pcall(cjson.encode, {M="say",ID=r.ID,C="Y5 turn on!"})
cu:send( played.."\n" )
end
if r.C == "5g" then
gpio.write(5, gpio.LOW)
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C="Y5 turn off!"})
cu:send( stoped.."\n" )
end
if r.C == "6k" then
gpio.write(6, gpio.HIGH)
ok, played = pcall(cjson.encode, {M="say",ID=r.ID,C="Y6 turn on!"})
cu:send( played.."\n" )
end
if r.C == "6g" then
gpio.write(6, gpio.LOW)
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C="Y6 turn off!"})
cu:send( stoped.."\n" )
end
if r.C == "cx7" then
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C=gpio.read(7)})
cu:send( stoped.."\n" )
end
if r.C == "cx8" then
ok, stoped = pcall(cjson.encode, {M="say",ID=r.ID,C=gpio.read(8)})
cu:send( stoped.."\n" )
end
end
--收到連接正常,發(fā)送checkin
if r.M == "WELCOME TO BIGIOT" then
   ok, s = pcall(cjson.encode, {M="checkin",ID=DEVICEID,K=APIKEY})
   if ok then
   print(s)
   else
   print("failed to encode!")
   end
   cu:send( s.."\n" )
   bLive=0
   --定時(shí)心跳,防止掉線
   tmr.alarm(1, 10000, 1, function()
       --如果標(biāo)記為1,表示未收到上次的心跳返回,重啟
       if bLive==1 then
           node.restart()
       end
       ok, ticket = pcall(cjson.encode, {M="isOL",ID="D"..DEVICEID})
       gpio.write(0, gpio.LOW)
       print(ticket)
       cu:send(ticket.."\n" )
       --發(fā)送后將標(biāo)記置為1
       bLive=1
   end)
end
end)

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8路IO接口控制的詳細(xì)介紹