Merge pull request #156 from MarsTechHAN/master

BH1750 Module merge
2015-01-30 22:29:51 +08:00 · 2015-01-30 22:29:51 +08:00 · e03807867b
parent 5894df1da6 7df610a602
commit e03807867b
5 changed files with 341 additions and 0 deletions
--- a/lua_modules/bh1750/bh1750.lua
+++ b/lua_modules/bh1750/bh1750.lua
@ -0,0 +1,57 @@
+-- ***************************************************************************
+-- BH1750 module for ESP8266 with nodeMCU
+-- BH1750 compatible tested 2015-1-22
+--
+-- Written by xiaohu
+--
+-- MIT license, http://opensource.org/licenses/MIT
+-- ***************************************************************************
+local moduleName = ... 
+local M = {}
+_G[moduleName] = M
+    --I2C slave address of GY-30
+    local GY_30_address = 0x23
+    -- i2c interface ID
+    local id = 0
+    --LUX
+    local l
+    --CMD
+    local CMD = 0x10
+    local init = false
+    --Make it more faster
+    local i2c = i2c
+    function M.init(sda, scl)
+        i2c.setup(id, sda, scl, i2c.SLOW)
+    --print("i2c ok..")
+    init = true
+end
+local function read_data(ADDR, commands, length)
+    i2c.start(id)
+    i2c.address(id, ADDR, i2c.TRANSMITTER)
+    i2c.write(id, commands)
+    i2c.stop(id)
+    i2c.start(id)
+    i2c.address(id, ADDR,i2c.RECEIVER)
+    tmr.delay(200000)
+    c = i2c.read(id, length)
+    i2c.stop(id)
+    return c
+end
+local function read_lux()
+    dataT = read_data(GY_30_address, CMD, 2)
+    --Make it more faster
+    UT = dataT:byte(1) * 256 + dataT:byte(2)
+    l = (UT*1000/12)
+    return(l)
+end
+function M.read()
+    if (not init) then
+        print("init() must be called before read.")
+    else
+        read_lux()
+    end
+end
+function M.getlux()
+    return l
+end
+return M
--- a/lua_modules/bh1750/bh1750_CN.md
+++ b/lua_modules/bh1750/bh1750_CN.md
@ -0,0 +1,104 @@
+# BH1750 模块
+
+##引用
+```lua
+bh1750 = require("bh1750")
+```
+## 释放
+```lua
+bh1750 = nil
+package.loaded["bh1750"]=nil
+```
+<a id="bh1750_init"></a>
+##init()
+####描述
+设置BH1750所在的I2C引脚<br />
+
+####语法
+init(sda, scl)
+
+####参数
+sda: 1~12, IO index.<br />
+scl: 1~12, IO index.<br />
+
+####返回值
+nil
+
+####示例
+```lua
+SDA_PIN = 6 -- sda pin, GPIO12
+SCL_PIN = 5 -- scl pin, GPIO14
+
+bh1750 = require("bh1750")
+bh1750.init(SDA_PIN, SCL_PIN)
+
+-- release module
+bh1750 = nil
+package.loaded["bh1750"]=nil
+```
+
+####参见
+**-**   []()
+
+<a id="bh1750_read"></a>
+##read()
+####描述
+从bh1750中读取光线传感器数据（Lux勒克斯）.<br />
+
+####语法
+read()
+
+####参数
+nil.<br />
+
+####返回值
+nil.<br />
+
+####示例
+```lua
+SDA_PIN = 6 -- sda pin, GPIO12
+SCL_PIN = 5 -- scl pin, GPIO14
+
+bh1750 = require("bh1750")
+bh1750.init(SDA_PIN, SCL_PIN)
+bh1750.read()
+
+-- release module
+bh1750 = nil
+package.loaded["bh1750"]=nil
+```
+
+####参见
+**-**   []()
+
+<a id="bh1750_getlux"></a>
+##getlux()
+####描述
+从BH1750中提取数据.<br />
+
+####语法
+getlux()
+
+####参数
+nil.<br />
+
+####返回值
+l: 整数，Lux计数
+####示例
+```lua
+SDA_PIN = 6 -- sda pin, GPIO12
+SCL_PIN = 5 -- scl pin, GPIO14
+
+bh1750 = require("bh1750")
+bh1750.init(SDA_PIN, SCL_PIN)
+bh1750.read()
+l = bh1750.getlux()
+print("lux: "..(l / 100).."."..(l % 100).." lx")
+
+-- release module
+bh1750 = nil
+package.loaded["bh1750"]=nil
+```
+
+####参见
+**-**   []()
--- a/lua_modules/bh1750/bh1750_EN.md
+++ b/lua_modules/bh1750/bh1750_EN.md
@ -0,0 +1,105 @@
+# bh1750 Module
+
+##Require
+```lua
+bh1750 = require("bh1750")
+```
+## Release
+```lua
+bh1750 = nil
+package.loaded["bh1750"]=nil
+```
+<a id="bh1750_init"></a>
+##init()
+####Description
+Setting the I2C pin of bh1750.<br />
+
+####Syntax
+init(sda, scl)
+
+####Parameters
+sda: 1~12, IO index.<br />
+scl: 1~12, IO index.<br />
+
+####Returns
+nil
+
+####Example
+```lua
+SDA_PIN = 6 -- sda pin, GPIO12
+SCL_PIN = 5 -- scl pin, GPIO14
+
+bh1750 = require("bh1750")
+bh1750.init(SDA_PIN, SCL_PIN)
+
+-- release module
+bh1750 = nil
+package.loaded["bh1750"]=nil
+```
+
+####See also
+**-**   []()
+
+<a id="bh1750_read"></a>
+##read()
+####Description
+Read Lux data from bh1750.<br />
+
+####Syntax
+read()
+
+####Parameters
+nil.<br />
+
+####Returns
+nil.<br />
+
+####Example
+```lua
+SDA_PIN = 6 -- sda pin, GPIO12
+SCL_PIN = 5 -- scl pin, GPIO14
+
+bh1750 = require("bh1750")
+bh1750.init(SDA_PIN, SCL_PIN)
+bh1750.read()
+
+-- release module
+bh1750 = nil
+package.loaded["bh1750"]=nil
+```
+
+####See also
+**-**   []()
+
+<a id="bh1750_getlux"></a>
+##getlux()
+####Description
+Get lux from bh1750.<br />
+
+####Syntax
+getlux()
+
+####Parameters
+nil.<br />
+
+####Returns
+l: Integer, getlux from bh1750.
+
+####Example
+```lua
+SDA_PIN = 6 -- sda pin, GPIO12
+SCL_PIN = 5 -- scl pin, GPIO14
+
+bh1750 = require("bh1750")
+bh1750.init(SDA_PIN, SCL_PIN)
+bh1750.read()
+l = bh1750.getlux()
+print("lux: "..(l / 100).."."..(l % 100).." lx")
+
+-- release module
+bh1750 = nil
+package.loaded["bh1750"]=nil
+```
+
+####See also
+**-**   []()
--- a/lua_modules/bh1750/bh1750_Example1.lua
+++ b/lua_modules/bh1750/bh1750_Example1.lua
@ -0,0 +1,24 @@
+-- ***************************************************************************
+-- BH1750 Example Program for ESP8266 with nodeMCU
+-- BH1750 compatible tested 2015-1-30
+--
+-- Written by xiaohu
+--
+-- MIT license, http://opensource.org/licenses/MIT
+-- ***************************************************************************
+tmr.alarm(0, 10000, 1, function()
+
+    SDA_PIN = 6 -- sda pin, GPIO12
+    SCL_PIN = 5 -- scl pin, GPIO14
+
+    bh1750 = require("bh1750")
+    bh1750.init(SDA_PIN, SCL_PIN)
+    bh1750.read(OSS)
+    l = bh1750.getlux()
+    print("lux: "..(l / 100).."."..(l % 100).." lx")
+
+    -- release module
+    bh1750 = nil
+    package.loaded["bh1750"]=nil
+
+end)
--- a/lua_modules/bh1750/bh1750_Example2.lua
+++ b/lua_modules/bh1750/bh1750_Example2.lua
@ -0,0 +1,51 @@
+-- ***************************************************************************
+-- 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_GATEWAY（Lelian's Device ID），USERKEY（Lelian's userkey）
+
+tmr.alarm(0, 60000, 1, function()
+            SDA_PIN = 6 -- sda pin, GPIO12
+            SCL_PIN = 5 -- scl pin, GPIO14
+
+			BH1750 = require("BH1750")
+			BH1750.init(SDA_PIN, SCL_PIN)
+			BH1750.read(OSS)
+			l = BH1750.getlux()
+
+        --定义数据变量格式 Define the veriables formate
+        PostData = "[{\"Name\":\"T\",\"Value\":\"" ..(l / 100).."."..(l % 100).."\"}]"
+        --创建一个TCP连接 Create a TCP Connection
+        socket=net.createConnection(net.TCP, 0)
+        --域名解析IP地址并赋值  DNS...it 
+        socket:dns("www.lewei50.com", function(conn, 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(sck) 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)
+ print(response)
+ end)
+ end)
+
+
+