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應(yīng)該是LUA介紹8266的最后一篇,,,,,,下回是直接用SDK,,然后再列個(gè)12345.......不過(guò)要等一兩個(gè)星期,先忙完朋友的事情

前面幾篇

用AT指令版本的

一,http://www.cnblogs.com/yangfengwu/p/5205570.html發(fā)AT指令,,其實(shí)AT指令就是事先用SDK內(nèi)部寫(xiě)好了

二,http://www.cnblogs.com/yangfengwu/p/5295632.html這個(gè)呢是配合路由器實(shí)現(xiàn)遠(yuǎn)程,,其實(shí)可以買(mǎi)個(gè)域名,或者用云端

三,http://www.cnblogs.com/yangfengwu/p/5220919.html這是做了一個(gè)用手機(jī)控制的WIFI小車(chē)

四,http://www.cnblogs.com/yangfengwu/p/5212570.htmlAndroid TCP客戶端

五,http://www.cnblogs.com/yangfengwu/p/5294921.htmlAndroid TCP服務(wù)器

用LUA語(yǔ)言的,更靈活,功能更強(qiáng)

一http://www.cnblogs.com/yangfengwu/p/7514336.html下載自己選擇功能的固件,刷固件,寫(xiě)LUA的軟件

二http://www.cnblogs.com/yangfengwu/p/7520260.htmlGPIO,串口,注意事項(xiàng),空閑中斷

三http://www.cnblogs.com/yangfengwu/p/7524297.htmlSPI通信介紹,,STM32 SPI 從機(jī)

四http://www.cnblogs.com/yangfengwu/p/7524326.htmlTCP服務(wù)器,單個(gè)連接

五http://www.cnblogs.com/yangfengwu/p/7531730.htmlTCP服務(wù)器,多個(gè)客戶端連接,CRC校驗(yàn)

六http://www.cnblogs.com/yangfengwu/p/7533302.htmlTCP Client 斷開(kāi)自動(dòng)重連,AD采集

七http://www.cnblogs.com/yangfengwu/p/7533845.htmlUDP支持一路默認(rèn),3路動(dòng)態(tài)連接,ssid 與 pwd 的讀取

還缺一樣....這篇...保存數(shù)據(jù)...這樣的話就可以隨意修改啟動(dòng)時(shí)工作在哪一種模式,哪一種通信,以及其余需要保存在模塊內(nèi)部的信息

就實(shí)現(xiàn)上位機(jī)軟件的第一個(gè)功能,,修改啟動(dòng)模式

自己的上位機(jī)按鈕事件

privatevoidbutton2_Click(objectsender, EventArgs e)

{byte[] sendbyte =newbyte[6];

sendbyte[0] = (byte)'+';//2Bsendbyte[1] = (byte)'+';

sendbyte[2] = (byte)'M';//4Dsendbyte[3] = (byte)'D';//44sendbyte[4] = (byte)'0';//0if(radioButton5.Checked)

{

sendbyte[5] = (byte)'0';

}elseif(radioButton6.Checked)

{

sendbyte[5] = (byte)'1';

}elseif(radioButton7.Checked)

{

sendbyte[5] = (byte)'2';

}if(radioButtonNetCon.Checked)

{

TcpSendDataMethod(sendbyte);

}elseif(radioButtonSerialCon.Checked)

{

SerialSend(sendbyte);

}

++MD00? ? ? ? ? ? ? ? ?AP模式

++MD01? ? ? ? ? ? ? ? Station模式

++MD00? ? ? ? ? ? ? ? AP+Station模式

其實(shí)最后還有CRC16校驗(yàn)碼

看文件操作

iffile.open("mode.lua","w+") then

file.writeline(string.sub(data,6,6))--MODE

print("MODE="..string.sub(data,6,6))

file.close()elseprint("open mode.lua faild")

end

注意

iffile.open("mode.lua","w+") then

file.writeline("123")

file.flush()//連續(xù)寫(xiě)最好加上file.writeline("456")

file.flush()

file.writeline("789")

file.close()elseprint("open mode.lua faild")

end

像是這樣??mode.lua文件里面會(huì)是這樣

那么讀的時(shí)候

file.open("mode.lua","r") then

s1=file.readline()

s2=file.readline()

s3=file.readline()

file.close()

end

s1 ="123\r"

s2 ="456\r"

s3 ="789\r"

所以寫(xiě)進(jìn)去一行3個(gè)但是讀出來(lái)會(huì)多加一個(gè)換行符

iffile.open("mode.lua","r") then

local Mode=file.readline()ifMode ==nil then

Mode="2"endifMode:byte(1) ==48then

print("Wifi MODE: SOFTAP")

wifi.setmode(wifi.SOFTAP)

elseif? Mode:byte(1) ==49then

print("Wifi MODE: STATION")

wifi.setmode(wifi.STATION)elseprint("Wifi MODE: STATIONAP")

wifi.setmode(wifi.STATIONAP)

end

file.close()

end

直接上源碼吧

init.lua

gpio.mode(4,gpio.OUTPUT)

gpio.mode(2,gpio.OUTPUT)

gpio.write(4,1)ifadc.force_init_mode(adc.INIT_ADC) then

node.restart()returnend

tmr.alarm(0,1000,1, function()

gpio.write(4,1-gpio.read(4))

end)

tmr.alarm(1,5000,0, function()

dofile("file.lua")

dofile("UDP.lua")

end)

UDP.lua

iffile.open("mode.lua","r") then

local Mode=file.readline()ifMode ==nil then

Mode="2"endifMode:byte(1) ==48then

print("Wifi MODE: SOFTAP")

wifi.setmode(wifi.SOFTAP)

elseif? Mode:byte(1) ==49then

print("Wifi MODE: STATION")

wifi.setmode(wifi.STATION)elseprint("Wifi MODE: STATIONAP")

wifi.setmode(wifi.STATIONAP)

end

file.close()

end

cfg={}

cfg= wifi.ap.getconfig(true)ifcfg.ssid ==nil then

cfg.ssid="Hellow8266"cfg.pwd="11223344"end

print("APssid:"..cfg.ssid)ifcfg.pwd ==nil then

print("APpwd: nil")elseprint("APpwd:"..cfg.pwd)

end

cfg.save=truewifi.ap.config(cfg)

apcfg={}

apcfg= wifi.sta.getconfig(true)ifapcfg.ssid ==nil then

apcfg.ssid="qqqqq"apcfg.pwd="11223344"end

print("APssid:"..apcfg.ssid)ifapcfg.pwd ==nil then

print("Stationpwd: nil")elseprint("Stationpwd:"..apcfg.pwd)

end

apcfg.save=truewifi.sta.config(apcfg)

wifi.sta.autoconnect(1)

ConnectIP="192.168.1.103"ConnectPort=8080UdpSocket=net.createUDPSocket()

UdpSocket:listen(ConnectPort)

UdpSocketTable={}

UdpIPTable={}

UdpPortTable={}

UdpConnectCnt=0UdpCanConnect=0UdpSocket:on("receive", function(socket, data, port, ip)

UdpCanConnect=1fori=0,2doifUdpIPTable[i] == ip and UdpPortTable[i] ==port? then

UdpCanConnect=0end

endifip == ConnectIP and port ==ConnectPort? then

UdpCanConnect=0endifUdpCanConnect ==1then

UdpSocketTable[UdpConnectCnt]=socket

UdpIPTable[UdpConnectCnt]=ip

UdpPortTable[UdpConnectCnt]=port

print("\r\n"..UdpConnectCnt.."-Connect")

UdpConnectCnt= UdpConnectCnt +1endifUdpConnectCnt ==3then

UdpConnectCnt=0end

uart.write(0,data)

end)

UartReadCnt=0UartReadCntCopy=0UartReadData=""UartReadDataCopy=""uart.on("data",0,function(data)

UartReadCnt= UartReadCnt +1UartReadData=UartReadData..data

end,0)

tmr.alarm(2,5,1, function()ifUartReadCnt ~=0thenifUartReadCnt ==UartReadCntCopy? then

UartReadCnt=0UartReadCntCopy=0UartReadDataCopy=UartReadData

UartReadData=""Config(UartReadDataCopy)

NetSend(UartReadDataCopy)elseUartReadCntCopy=UartReadCnt

end

end)

function NetSend(data)ifUdpSocket ~=nil then

UdpSocket:send(ConnectPort,ConnectIP,data)

endfori=0,2doifUdpSocketTable[i] ~=nil then

UdpSocketTable[i]:send(UdpPortTable[i],UdpIPTable[i],data)

end

printip=0wifi.eventmon.register(wifi.eventmon.STA_DISCONNECTED, function(T)

printip=0end)

wifi.eventmon.register(wifi.eventmon.STA_GOT_IP, function(T)ifprintip ==0then

print("+IP"..T.IP)

end

printip=1end)

file.lua

就是接收串口的數(shù)據(jù)函數(shù),檢測(cè)CRC對(duì)不對(duì),,然后把數(shù)據(jù)寫(xiě)進(jìn)mode.lua,,,對(duì)了這樣設(shè)置了,,內(nèi)部會(huì)自動(dòng)生成一個(gè)mode.lua,,不用自己弄

function Config(data)

local RevLen=string.len (data)

local crc= ow.crc16(string.sub(data,1,RevLen-2))

local recrc= data:byte(RevLen)

recrc= recrc*256recrc= recrc + data:byte(RevLen-1)ifcrc ==recrc then--[[8266Mode ]]ifRevLen ==8thenifstring.sub(data,1,5) =="++MD0"then----Modeiffile.open("mode.lua","w+") then

file.writeline(string.sub(data,6,6))--MODE

print("MODE="..string.sub(data,6,6))

file.close()elseprint("open mode.lua faild")

end

end--[[8266Mode ]]

end