云编程demo-教你用云端编程点亮NodeMCU的LED - 四博智联产品售后

print("\n")
print("ESP8266 Started")
local exefile="sta"
local luaFile = {exefile..".lua","yun.lua"}
for i, f in ipairs(luaFile) do
if file.open(f) then
file.close()
print("Compile File:"..f)
node.compile(f)
print("Remove File:"..f)
file.remove(f)
end
end
if file.open(exefile..".lc") then
dofile(exefile..".lc")
else
print(exefile..".lc not exist")
end
exefile=nil;luaFile = nil
collectgarbage()

复制代码

print("Ready to Set up wifi mode")
wifi.setmode(wifi.STATION)
local ssid = "MERCURY_1013"
local psw = "123456789"
print("Conneting to "..ssid)
wifi.sta.config(ssid,psw)--ssid and password
wifi.sta.connect()
local cnt = 0
gpio.mode(0,gpio.OUTPUT);
tmr.alarm(3, 1000, 1, function()
if (wifi.sta.getip() == nil) and (cnt < 20) then
print("->")
cnt = cnt + 1
if cnt % 2 ==1 then
gpio.write(0,gpio.HIGH);
else
gpio.write(0,gpio.LOW);
end
else
tmr.stop(3)
if (cnt < 20) then
print("Config done, IP is "..wifi.sta.getip())
cnt = nil;ssid=nil;psw=nil;
collectgarbage();
if file.open("yun.lc") then
dofile("yun.lc")
else
print("yun.lc not exist")
end
else
print("Wifi setup time more than 20s, Pls verify\r\nssid:"..ssid.." psw:"..psw.."\r\nThen re-download the file.")
cnt=cnt+1;
tmr.alarm(1, 300, 1, function()
if cnt % 2 ==1 then
gpio.write(0,gpio.HIGH);
else
gpio.write(0,gpio.LOW);
end
end)
end
end
end)

复制代码

--yun coding demo
--Created @ 2015/05/27 by Doit Studio
--Modified: null
--http://www.doit.am/
--http://www.smartarduino.com/
--http://szdoit.taobao.com/
--bbs: bbs.doit.am
print("Start yun")
gpio.mode(0,gpio.OUTPUT);--LED Light on
gpio.write(0,gpio.LOW);
local deviceID = "doitCar"
local timeTickCnt = 0
local fileName = "yunRemote"
local conn;
local flagClientTcpConnected=false;
print("Start TCP Client");
tmr.alarm(3, 5000, 1, function()
if flagClientTcpConnected==true then
timeTickCnt = timeTickCnt + 1;
if timeTickCnt>=60 then --every 300 seconds send "cmd=keep\r\n" to server
timeTickCnt = 0;
conn:send("cmd=keep\r\n");
end
elseif flagClientTcpConnected==false then
print("Try connect Server");
conn=net.createConnection(net.TCP, false)
conn:connect(7500,"182.92.178.210");
conn:on("connection",function(c)
print("TCPClient:conneted to server");
conn:send("cmd=subscribe&topic="..deviceID.."\r\n");
flagClientTcpConnected = true;timeTickCnt = 0;
end) --connection
conn:on("disconnection",function(c)
flagClientTcpConnected = false;
conn=nil;collectgarbage();
end) --disconnection
conn:on("receive", function(conn, m)
if string.sub(m,1,5)=="__B__" then
file.remove(fileName..".lua")
file.open(fileName..".lua", "w" )
conn:send("cmd=next\r\n");--start fetching prog file
elseif string.sub(m,1,5)=="__E__" then --finish fetching
file.close()
collectgarbage();
node.compile(fileName..".lua");
file.remove(fileName..".lua");
dofile(fileName..".lc")
else --the file context
print("Recieve:"..m)
file.writeline(m);
conn:send("cmd=next\r\n");--continue fetching
end
collectgarbage();
end)--receive
end
end)

复制代码

print("start flash led")
cnt = 10
while cnt>0 do
gpio.write(0,gpio.LOW)
tmr.delay(1000*1000) --1second
gpio.write(0,gpio.HIGH)
tmr.delay(1000*1000)--1second
cnt = cnt - 1;
end
print("yun demo finish!")

复制代码

NodeMCU 0.9.6 build 20150406 powered by Lua 5.1.4
ESP8266 Started
Hard Restart 2015年5月27日 17:15:26
Ready to Set up wifi mode
Conneting to MERCURY_1013
> ->
->
->
Config done, IP is 192.168.1.116
Start yun
Start TCP Client
Try connect Server
TCPClient:conneted to server
Recieve:print("start flash led")
cnt = 10
while cnt>0 do
gpio.write(0,gpio.LOW)
tmr.delay(1000*1000) --1second
gpio.write(0,gpio.HIGH)
tmr.delay(1000*1000)--1second
cnt = cnt - 1;
end
print("yun demo finish!")
start flash led
yun demo finish!

复制代码