nodemcu-firmware/lua_modules/si7021/si7021-lewei.lua

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--创建一个定时器
tmr.alarm(0, 60000, 1, function()
SDA_PIN = 6 -- sda pin, GPIO12
SCL_PIN = 5 -- scl pin, GPIO14
si7021 = require("si7021")
si7021.init(SDA_PIN, SCL_PIN)
si7021.read(OSS)
Hum = si7021.getHumidity()
Temp = si7021.getTemperature()
--定义数据变量格式
PostData = "[{\"Name\":\"T\",\"Value\":\"" .. (Temp/100).."."..(Temp%100) .. "\"},{\"Name\":\"H\",\"Value\":\"" .. (Hum/100).."."..(Hum%100) .. "\"}]"
--创建一个TCP连接
socket=net.createConnection(net.TCP, 0)
--域名解析IP地址并赋值
socket:dns("www.lewei50.com", function(conn, ip)
ServerIP = ip
print("Connection IP:" .. ServerIP)
end)
--开始连接服务器
socket:connect(80, ServerIP)
socket:on("connection", function(sck) end)
--HTTP请求头定义
socket:send("POST /api/V1/gateway/UpdateSensors/yourID HTTP/1.1\r\n" ..
"Host: www.lewei50.com\r\n" ..
"Content-Length: " .. string.len(PostData) .. "\r\n" ..
"userkey: yourKEY\r\n\r\n" ..
PostData .. "\r\n")
--HTTP响应内容
socket:on("receive", function(sck, response)
print(response)
end)
-- release module
si7021 = nil
package.loaded["si7021"]=nil
end)