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ESP8266 HTTP 项目（2）HTTP网页修改WIFI连接，上电自动连接上次的WIFI。
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<!DOCTYPE html>
<html lang="zh-CN"> <head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>ESP8266 配置信息</title>
<link href="css/bootstrap.min.css" rel="stylesheet">
</head> <body><div style="text-align:center;"> <h1 style="background-color:rgba(155,255,30,0.75)">欢迎使用</h1> <div class="starter-template";clear:both;text-align:center;"><h3 style="background-color:rgba(255,10,10,0.75);color:#ffffff;">1板载LED控制</h3><button onclick='setPinValue("on")' >点亮</button>
<button onclick='setPinValue("off")' >熄灭</button>
<p style="color:#40B3DF;">LED状态:<span id="txtState"></span></p>
</div> <div class="starter-template">
<h3 style="background-color:rgba(255,10,10,0.75);color:#ffffff;">2选择WIFI连接方式:</h3> <div style="color:#40B3DF;">
<p>WIFI连接状态: <span id="wifiState"></span></p>
<div/> <hr/>
<h4><2.1>普通WIFI上网（家庭）</h4>
<form action="">
WIFI名称: <input type="text" id="wifiname" />
</form>
<form action="">
WIFI密码: <input type="text" id="wifipwd" />
</form> <br/>
<button onclick='setWifi(wifiname.value,wifipwd.value)' >连接</button> <h4><2.2>网页认证上网（学校和商场）</h4> <form action="">
WIFI名称: <input type="text" id="wifi_wname" />
</form>
<form action="">
登陆网址: <input type="text" id="wifi_wip" />
</form>
<form action="">
<form action="">
上网密钥: <input type="text" id="wifi_postdata" />
</form>
<p style="color:#01a1ff;">(上网密钥 = 账号（学号）+密码+其他信息)<p/>
<button onclick='setWifi_wangye(wifi_wname.value,wifi_wip.value,wifi_postdata.value)' >连接</button>
<br/><hr/> </div> </div> <script src="js/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script> <div>
<button onclick='' >如何一键获取上网密钥？</button>
</div><script type="text/javascript">
function setPinValue(value) {
alert("按键点击！");
var xmlhttp;
if (value.length==0)
{
document.getElementById("txtState").innerHTML="请点击正确按键！";
return;
} if (window.XMLHttpRequest)
{
// IE7+, Firefox, Chrome, Opera, Safari 浏览器执行代码
xmlhttp=new XMLHttpRequest();
}
else
{
// IE6, IE5 浏览器执行代码
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
} xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState==4 && xmlhttp.status==200){
//alert(xmlhttp.responseText);
//alert("操作成功");
document.getElementById("txtState").innerHTML = xmlhttp.responseText;
}
} var requestString = "/pin?a=" + value + "&pin=2";
xmlhttp.open("GET", requestString, true);
xmlhttp.send(null);
}function setWifi(name,pwd) {
alert("按键点击！");
var xmlhttp;
if (name.length==0)
{
document.getElementById("wifiState").innerHTML="请输入WIFI信息！";
return;
} if (window.XMLHttpRequest)
{
// IE7+, Firefox, Chrome, Opera, Safari 浏览器执行代码
xmlhttp=new XMLHttpRequest();
}
else
{
// IE6, IE5 浏览器执行代码
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
} xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState==4 && xmlhttp.status==200){
//alert(xmlhttp.responseText);
//alert("操作成功");
document.getElementById("wifiState").innerHTML = xmlhttp.responseText;
}
} var requestString = "/wifi?config=on" + "&name="+name+"&pwd="+pwd;
xmlhttp.open("GET", requestString, true);
xmlhttp.send(null);
}function setWifi_wangye(wifi_wname,wifi_wip,wifi_postdata) {
alert("按键点击！");
var xmlhttp;
if (wifi_wname.length==0||wifi_wip.length==0||wifi_postdata.length==0)
{
document.getElementById("wifiState").innerHTML="请输入网页认证信息！";
return;
}//for(var i=0;i<wifi_postdata.length;i++)
//{
//if(wifi_postdata[i]=="&")wifi_postdata[i]="-";//} if (window.XMLHttpRequest)
{
// IE7+, Firefox, Chrome, Opera, Safari 浏览器执行代码
xmlhttp=new XMLHttpRequest();
}
else
{
// IE6, IE5 浏览器执行代码
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
} xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState==4 && xmlhttp.status==200){
//alert(xmlhttp.responseText);
//alert("操作成功");
document.getElementById("wifiState").innerHTML = xmlhttp.responseText;
}
} var requestString = "/wifi_wangye?config=on" + "&wifi_wname="+wifi_wname+"&wifi_wpwd"+""+"&wifi_wip="+wifi_wip+"&wifi_postdata="+wifi_postdata;
xmlhttp.open("GET", requestString, true);
xmlhttp.send(null);
}
</script>
</body>
</html>
程序代码
/*1 上电从rom读取上次WIFI地址
成功-1网页交互 2MQTT通信
失败-进入网页模式，等待新的密码2
添加上电检测重连wifi, 如果是普通直连，如果是网页认证，直连+网页请求
*///------是否开启打印-----------------
#define Use_Serial Serial//-----------------------------A-1 库引用开始-----------------//
#include <string.h>
#include <math.h> // 数学工具库
#include <EEPROM.h>// eeprom 存储库// WIFI库
#include <ESP8266WiFi.h>
//-------客户端---------
#include <ESP8266HTTPClient.h>
//---------服务器---------
#include <ESP8266WebServer.h>
#include <FS.h> //Mqtt
#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"//ESP获取自身ID
#ifdef ESP8266
extern "C" {
#include "user_interface.h" //含有system_get_chip_id（）的库
}
#endif//-----------------------------A-1 库引用结束-----------------////-----------------------------A-2 变量声明开始-----------------//
int PIN_Led = D4;
bool PIN_Led_State=0;
ESP8266WebServer server ( 80 );
//储存SN号
String SN;/*----------------WIFI账号和密码--------------*/
char ssid[50] = ""; // Enter SSID here
char password[50] = ""; //Enter Password here#define DEFAULT_STASSID "lovelamp"
#define DEFAULT_STAPSW "lovelamp" // 用于存上次的WIFI和密码
#define MAGIC_NUMBER 0xAA
struct config_type
{
char stassid[50];
char stapsw[50];
uint8_t magic;
};
config_type config_wifi;//------mqtt头定义-----------------
#define AIO_SERVER "www.dongvdong.top" //mqtt服务器
#define AIO_SERVERPORT 1883 //端口
#define AIO_USERNAME ""
#define AIO_KEY ""
WiFiClient mqttclient;//------mqtt通信-----------------
Adafruit_MQTT_Client mqtt(&mqttclient, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_USERNAME, AIO_KEY);
Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, AIO_USERNAME "/test", MQTT_QOS_1);//--------------HTTP请求------------------
struct http_request {
String Referer;
char host[20];
int httpPort=80;
String host_ur ; String usr_name;//账号
String usr_pwd;//密码 String postDate; };String http_html;
//-----------------------------A-2 变量声明结束-----------------////-----------------------------A-3 函数声明开始-----------------//
void wifi_Init();
void saveConfig();
void loadConfig();
int hdulogin(struct http_request ruqest) ;
void http_wifi_xidian();
String getContentType(String filename);
void handleNotFound();
void handleMain();
void handlePin();
void handleWifi();
void http_jiexi(http_request ruqest);
void handleWifi_wangye();
void handleTest();
void MQTT_connect();
void onoffcallback(char *data, uint16_t len) ;
//---------------------------A-3 函数声明结束------------------------////-----------------------------A-3 函数-----------------//
//3-1管脚初始化
void get_espid(){
SN = (String )system_get_chip_id();
Use_Serial.println(SN); }
void LED_Int(){ pinMode(D4, OUTPUT); }
//3-2WIFI初始化
void wifi_Init(){
Use_Serial.println("Connecting to "); Use_Serial.println(config_wifi.stassid); WiFi.begin(config_wifi.stassid, config_wifi.stapsw);
int retries=3;
while (WiFi.status() != WL_CONNECTED) {
server.handleClient();
// retries--;
// if (retries == 0) {
// Use_Serial.println("WIFI connect 3 times fail!");
// return;
// } ESP.wdtFeed();
delay(500); Use_Serial.print(".");
PIN_Led_State = !PIN_Led_State;
digitalWrite(PIN_Led, PIN_Led_State); } Use_Serial.println("--------------WIFI CONNECT!------------- ");
Use_Serial.printf("SSID:%s\r\n", WiFi.SSID().c_str());
Use_Serial.printf("PSW:%s\r\n", WiFi.psk().c_str());
Use_Serial.println("---------------------------------------- "); }/*
*3-/2 保存参数到EEPROM
*/
void saveConfig()
{
Serial.println("Save config!");
Serial.print("stassid:");
Serial.println(config_wifi.stassid);
Serial.print("stapsw:");
Serial.println(config_wifi.stapsw);
EEPROM.begin(1024);
uint8_t *p = (uint8_t*)(&config_wifi);
for (int i = 0; i < sizeof(config_wifi); i++)
{
EEPROM.write(i, *(p + i));
}
EEPROM.commit();
}
/*
* 从EEPROM加载参数
*/
void loadConfig()
{
EEPROM.begin(1024);
uint8_t *p = (uint8_t*)(&config_wifi);
for (int i = 0; i < sizeof(config_wifi); i++)
{
*(p + i) = EEPROM.read(i);
}
EEPROM.commit();
//出厂自带
if (config_wifi.magic != MAGIC_NUMBER)
{
strcpy(config_wifi.stassid, DEFAULT_STASSID);
strcpy(config_wifi.stapsw, DEFAULT_STAPSW);
config_wifi.magic = MAGIC_NUMBER;
saveConfig();
Serial.println("Restore config!");
}
Serial.println(" ");
Serial.println("-----Read config-----");
Serial.print("stassid:");
Serial.println(config_wifi.stassid);
Serial.print("stapsw:");
Serial.println(config_wifi.stapsw);
Serial.println("-------------------"); // ssid=String(config.stassid);
// password=String(config.stapsw);
}//3-3ESP8266建立无线热点
void SET_AP(){ // 设置内网
IPAddress softLocal(192,168,4,1); // 1 设置内网WIFI IP地址
IPAddress softGateway(192,168,4,1);
IPAddress softSubnet(255,255,255,0);
WiFi.softAPConfig(softLocal, softGateway, softSubnet); String apName = ("ESP8266_"+(String)ESP.getChipId()); // 2 设置WIFI名称
const char *softAPName = apName.c_str(); WiFi.softAP(softAPName, "admin"); // 3创建wifi 名称 +密码 adminadmin Use_Serial.print("softAPName: "); // 5输出WIFI 名称
Use_Serial.println(apName); IPAddress myIP = WiFi.softAPIP(); // 4输出创建的WIFI IP地址
Use_Serial.print("AP IP address: ");
Use_Serial.println(myIP); }
//3-4ESP建立网页服务器
void Server_int(){ server.on ("/", handleMain); // 绑定‘/’地址到handleMain方法处理 ---- 返回主页面 一键配网页面
server.on ("/pin", HTTP_GET, handlePin); // 绑定‘/pin’地址到handlePin方法处理 ---- 开关灯请求
server.on ("/wifi", HTTP_GET, handleWifi); // 绑定‘/wifi’地址到handlePWIFI方法处理 --- 重新配网请求
server.on ("/wifi_wangye", HTTP_GET, handleWifi_wangye);
server.on ("/test", HTTP_GET, handleTest);
server.onNotFound ( handleNotFound ); // NotFound处理
server.begin();
Use_Serial.println ( "HTTP server started" ); }
//3-5-1 网页服务器主页
void handleMain() { /* 返回信息给浏览器（状态码，Content-type， 内容） * 这里是访问当前设备ip直接返回一个String */ Serial.print("handleMain"); File file = SPIFFS.open("/index.html", "r"); size_t sent = server.streamFile(file, "text/html"); file.close(); return; }
//3-5-2 网页控制引脚
/* 引脚更改处理 * 访问地址为htp://192.162.xxx.xxx/pin?a=XXX的时候根据a的值来进行对应的处理 */ void handlePin() { if(server.hasArg("a")) { // 请求中是否包含有a的参数 String action = server.arg("a"); // 获得a参数的值 if(action == "on") { // a=on digitalWrite(2, LOW); // 点亮8266上的蓝色led，led是低电平驱动，需要拉低才能亮 server.send ( 200, "text/html", "Pin 2 has turn on"); return; // 返回数据 } else if(action == "off") { // a=off digitalWrite(2, HIGH); // 熄灭板载led server.send ( 200, "text/html", "Pin 2 has turn off"); return; } server.send ( 200, "text/html", "unknown action"); return; } server.send ( 200, "text/html", "action no found"); } //3-5-3 网页修改普通家庭WIFI连接账号密码
/* WIFI更改处理 * 访问地址为htp://192.162.xxx.xxx/wifi?config=on&name=Testwifi&pwd=123456
根据wifi进入 WIFI数据处理函数
根据config的值来进行 on
根据name的值来进行 wifi名字传输
根据pwd的值来进行 wifi密码传输 */ void handleWifi(){ if(server.hasArg("config")) { // 请求中是否包含有a的参数 String config = server.arg("config"); // 获得a参数的值
String wifiname;
String wifipwd; if(config == "on") { // a=on
if(server.hasArg("name")) { // 请求中是否包含有a的参数
wifiname = server.arg("name"); // 获得a参数的值 } if(server.hasArg("pwd")) { // 请求中是否包含有a的参数
wifipwd = server.arg("pwd"); // 获得a参数的值
} String backtxt= "Wifiname: "+ wifiname +"/r/n wifipwd: "+ wifipwd ;// 用于串口和网页返回信息 Use_Serial.println ( backtxt); // 串口打印给电脑 server.send ( 200, "text/html", backtxt); // 网页返回给手机提示
// wifi连接开始 wifiname.toCharArray(config_wifi.stassid, 50); // 从网页得到的 WIFI名
wifipwd.toCharArray(config_wifi.stapsw, 50); //从网页得到的 WIFI密码 saveConfig();
wifi_Init(); return;
} else if(config == "off") { // a=off
server.send ( 200, "text/html", "config is off!");
return; } server.send ( 200, "text/html", "unknown action"); return; } server.send ( 200, "text/html", "action no found"); }//3-5-4 网页认证西电上网-- 无用
void http_wifi_xidian(){//// 通过上网认证，请自己修改postDate中的学号和密码
// 例如：
/*网页认证上网post*/
// String Referer="http://10.255.44.33/srun_portal_pc.php?ac_id=1&";
// char* host = "10.255.44.33";
// int httpPort = 80;
// String host_ur = "srun_portal_pc.php";/*网页认证上网模式 */
// String usr_name;//账号
// String usr_pwd;//密码
// String postDate = String("")+"action=login&ac_id=1&user_ip=&nas_ip=&user_mac=&url=&username=+"+usr_name+"&password="+usr_pwd; // 认证上网
http_request ruqest;
ruqest.Referer="http://10.255.44.33/srun_portal_pc.php?ac_id=1&";
String("10.255.44.33").toCharArray( ruqest.host , 20);
ruqest.httpPort = 80;
ruqest.host_ur = "srun_portal_pc.php";
ruqest.usr_name="1601120383";//账号 密码已修改 要+1
ruqest.usr_pwd="mimaHENFuza";//密码 密码已修改 要-1
ruqest.postDate = String("")+"action=login&ac_id=1&user_ip=&nas_ip=&user_mac=&url=&username=+"+ ruqest.usr_name+"&password="+ruqest.usr_pwd; if (hdulogin(ruqest) == 0) { Use_Serial.println("WEB Login Success!");
}
else { Use_Serial.println("WEB Login Fail!");
} }//3-5-5-1 网页认证上网
void handleWifi_wangye(){
if(server.hasArg("config")) { // 请求中是否包含有a的参数
// 1 解析数据是否正常
String config = server.arg("config"); // 获得a参数的值
String wifi_wname,wifi_wpwd,wifi_wip,wifi_postdata; if(config == "on") { // a=on
if(server.hasArg("wifi_wname")) { // 请求中是否包含有a的参数
wifi_wname = server.arg("wifi_wname"); // 获得a参数的值
if(wifi_wname.length()==0){
server.send ( 200, "text/html", "please input WIFI名称!"); // 网页返回给手机提示
return;}
}
if(server.hasArg("wifi_wpwd")) { // 请求中是否包含有a的参数
wifi_wpwd = server.arg("wifi_wpwd"); // 获得a参数的值 }
if(server.hasArg("wifi_wip")) { // 请求中是否包含有a的参数
wifi_wip = server.arg("wifi_wip"); // 获得a参数的值
if(wifi_wip.length()==0){
server.send ( 200, "text/html", "please input 登陆网址!"); // 网页返回给手机提示
return;} }
if(server.hasArg("wifi_postdata")) { // 请求中是否包含有a的参数 String message=server.arg(3);
for (uint8_t i=4; i<server.args(); i++){
message += "&" +server.argName(i) + "=" + server.arg(i) ;
} wifi_postdata = message; // 获得a参数的值
if(wifi_postdata.length()==0){
server.send ( 200, "text/html", "please input 联网信息!"); // 网页返回给手机提示
return;}
}//--------------------------------- wifi连接-------------------------------------------------
wifi_wname.toCharArray(config_wifi.stassid, 50); // 从网页得到的 WIFI名
wifi_wpwd.toCharArray(config_wifi.stapsw, 50); //从网页得到的 WIFI密码 saveConfig(); // wifi连接开始
wifi_Init(); //--------------------------------- 认证上网------------------------------------------------- // 2 发送认证// ruqest.Referer="http://10.255.44.33/srun_portal_pc.php";
http_request ruqest_http;
ruqest_http.httpPort = 80;
ruqest_http.Referer=wifi_wip;// 登录网址
ruqest_http.postDate=wifi_postdata; Use_Serial.println (wifi_wip);
Use_Serial.println (wifi_postdata); http_jiexi(ruqest_http); return;
} else if(config == "off") { // a=off
server.send ( 200, "text/html", "config is off!");
return;
}
server.send ( 200, "text/html", "unknown action"); return;
}
server.send ( 200, "text/html", "action no found"); }//3-5-5-2 网页解析IP消息
void http_jiexi(http_request ruqest){ int datStart ; int datEnd; // 1 解析ip
// http://10.255.44.33/
char h[]="http://"; char l[]="/";
datStart = ruqest.Referer.indexOf(h)+ strlen(h);
datEnd= ruqest.Referer.indexOf(l,datStart);
String host=ruqest.Referer.substring(datStart, datEnd);
host.toCharArray( ruqest.host , 20); Use_Serial.println ( ruqest.host); // 串口打印给电脑 // 2 解析请求的网页文件-登录页面
// srun_portal_pc.php?ac_id&";
char s[] ="?";
datStart = ruqest.Referer.indexOf(l,datStart)+strlen(l);
// datEnd = ruqest.Referer.indexOf(s,datStart)-strlen(s)+1;
if(ruqest.Referer.indexOf(s,datStart)==-1)
{datEnd = ruqest.Referer.length();}
else{
datEnd = ruqest.Referer.indexOf(s,datStart)-1;
}
ruqest.host_ur = String(ruqest.Referer.substring(datStart, datEnd));
Use_Serial.println ( ruqest.host_ur); // 串口打印给电脑 Use_Serial.println( ruqest.postDate); if (hdulogin(ruqest) == 0) {
Use_Serial.println("WEB Login Success!");
}
else {
Use_Serial.println("WEB Login Fail!");
}
return; }//3-5-5-3 网页认证发送HTTP请求
/*---------------------------------------------------------------*/
int hdulogin(struct http_request ruqest) {
WiFiClient client; if (!client.connect(ruqest.host, ruqest.httpPort)) {
Use_Serial.println("connection failed");
return 1;
}
delay(10); if (ruqest.postDate.length() && ruqest.postDate != "0") {
String data = (String)ruqest.postDate;
int length = data.length(); String postRequest =
(String)("POST ") + "/"+ruqest.host_ur+" HTTP/1.1\r\n" +
"Host: " +ruqest.host + "\r\n" +
"Connection: Keep Alive\r\n" +
"Content-Length: " + length + "\r\n" +
"Accept:text/html,application/xhtml+xml,application/xml;*/*\r\n" +
"Origin: http://"+ruqest.host+"\r\n" +
"Upgrade-Insecure-Requests: 1"+"\r\n" +
"Content-Type: application/x-www-form-urlencoded;" + "\r\n" +
"User-Agent: zyzandESP8266\r\n" +
"Accept-Encoding: gzip, deflate"+"\r\n" +
"Accept-Language: zh-CN,zh;q=0.9"+"\r\n" +
"\r\n" +
data + "\r\n";
// String postDate = String("")+"action=login&ac_id=1&user_ip=&nas_ip=&user_mac=&url=&username=+"+usr_name+"&password="+usr_pwd;
client.print(postRequest);
delay(600);
//处理返回信息
String line = client.readStringUntil('\n');
Use_Serial.println(line);
while (client.available() > 0) {
Use_Serial.println(client.readStringUntil('\n'));
line += client.readStringUntil('\n'); // line += client.readStringUntil('\n');
} http_html=line; client.stop(); if (line.indexOf("时间") != -1 || line.indexOf("登陆") != -1) { //认证成功
return 0; }
else {
return 2;
} }
client.stop();
return 2;
}//3-5-6 网页测试
void handleTest(){
server.send(200, "text/html", http_html);
}//3-5-。。。 网页没有对应请求如何处理
void handleNotFound() { String path = server.uri(); Serial.print("load url:"); Serial.println(path); String contentType = getContentType(path); String pathWithGz = path + ".gz"; if(SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)){ if(SPIFFS.exists(pathWithGz)) path += ".gz"; File file = SPIFFS.open(path, "r"); size_t sent = server.streamFile(file, contentType); file.close(); String message = "File Not Found\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET)?"GET":"POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
for (uint8_t i=0; i<server.args(); i++){
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, "text/plain", message); return; } String message = "File Not Found\n\n"; message += "URI: "; message += server.uri(); message += "\nMethod: "; message += ( server.method() == HTTP_GET ) ? "GET" : "POST"; message += "\nArguments: "; message += server.args(); message += "\n"; for ( uint8_t i = 0; i < server.args(); i++ ) { message += " " + server.argName ( i ) + ": " + server.arg ( i ) + "\n"; } server.send ( 404, "text/plain", message ); }
// 解析请求的文件
/** * 根据文件后缀获取html协议的返回内容类型 */ String getContentType(String filename){ if(server.hasArg("download")) return "application/octet-stream"; else if(filename.endsWith(".htm")) return "text/html"; else if(filename.endsWith(".html")) return "text/html"; else if(filename.endsWith(".css")) return "text/css"; else if(filename.endsWith(".js")) return "application/javascript"; else if(filename.endsWith(".png")) return "image/png"; else if(filename.endsWith(".gif")) return "image/gif"; else if(filename.endsWith(".jpg")) return "image/jpeg"; else if(filename.endsWith(".ico")) return "image/x-icon"; else if(filename.endsWith(".xml")) return "text/xml"; else if(filename.endsWith(".pdf")) return "application/x-pdf"; else if(filename.endsWith(".zip")) return "application/x-zip"; else if(filename.endsWith(".gz")) return "application/x-gzip"; return "text/plain"; } //3-6-1 MQTT初始化 -----------------------------------void Mqtt_int(){
//MQTT绑定初始化
onoffbutton.setCallback(onoffcallback);
mqtt.subscribe(&onoffbutton);
}//------mqtt回调函数-----------------
void onoffcallback(char *data, uint16_t len) {
Serial.print("Hey we're in a onoff callback, the button value is: ");
Serial.println(data);
}//3-6-2------mqtt连接检测-----------------
void MQTT_reconnect() {
int8_t ret; // Stop if already connected.
if (mqtt.connected()) {
return;
} Use_Serial.print("Connecting to MQTT... "); uint8_t retries = 3;
while ((ret = mqtt.connect()) != 0) { // connect will return 0 for connected server.handleClient(); Use_Serial.println(mqtt.connectErrorString(ret));
Use_Serial.println("Retrying MQTT connection in 10 seconds...");
mqtt.disconnect();
delay(10000); // wait 10 seconds
retries--;
if (retries == 0) {
// basically die and wait for WDT to reset me
//while (1);
Use_Serial.println("Retrying MQTT connection 3 fali...");
return;
}
}
Use_Serial.println("MQTT Connected!");}////3-6-3 MQTT主函数
void Mqtt_Domain(){
if(WiFi.status() == WL_CONNECTED){
MQTT_reconnect();
mqtt.processPackets(2000);
if(! mqtt.ping()) {
mqtt.disconnect();
}
}
else {
wifi_Init(); }
}//------------------------------------------- void setup() ------------------------------------------void setup() {
Use_Serial.begin(115200);
get_espid();
LED_Int(); loadConfig();// 读取信息 WIFI
wifi_Init(); // 3次尝试 SET_AP(); // 建立WIFI
SPIFFS.begin();
Server_int();
Mqtt_int();
}//------------------------------------------- void void loop() ------------------------------------------void loop()
{ server.handleClient();
Mqtt_Domain();}
