nodemcu-firmware/lua_modules/bh1750/bh1750_Example2.lua

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-- ***************************************************************************
-- BH1750 Example Program for ESP8266 with nodeMCU
-- BH1750 compatible tested 2015-1-30
--
-- Written by xiaohu
--
-- MIT license, http://opensource.org/licenses/MIT
-- ***************************************************************************
--Updata to Lelian
--Ps 需要改动的地方LW_GATEWAY乐联的设备标示USERKEY乐联userkey
--Ps You nees to rewrite the LW_GATEWAYLelian's Device IDUSERKEYLelian's userkey
local bh1750 = require("bh1750")
local sda = 6 -- sda pin, GPIO12
local scl = 5 -- scl pin, GPIO14
local ServerIP
do
bh1750.init(sda, scl)
tmr.create():alarm(60000, tmr.ALARM_AUTO, function()
bh1750.read()
local l = bh1750.getlux()
--定义数据变量格式 Define the veriables formate
local PostData = "[{\"Name\":\"T\",\"Value\":\"" ..(l / 100).."."..(l % 100).."\"}]"
--创建一个TCP连接 Create a TCP Connection
local socket = net.createConnection(net.TCP, 0)
--域名解析IP地址并赋值 DNS...it
socket:dns("www.lewei50.com", function(_, ip)
ServerIP = ip
print("Connection IP:" .. ServerIP)
end)
--开始连接服务器 Connect the sever
socket:connect(80, ServerIP)
socket:on("connection", function() end)
--HTTP请求头定义 HTTP Head
socket:send("POST /api/V1/gateway/UpdateSensors/LW_GATEWAY HTTP/1.1\r\n" ..
"Host: www.lewei50.com\r\n" ..
"Content-Length: " .. string.len(PostData) .. "\r\n" ..
"userkey: USERKEY\r\n\r\n" ..
PostData .. "\r\n")
--HTTP响应内容 Print the HTTP response
socket:on("receive", function(sck, response) -- luacheck: no unused
print(response)
end)
end)
end