ESP8266 HTTP 項目（2）HTTP網頁修改WIFI鏈接，上電自動鏈接上次的WIFI。
網頁javascript
<!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)">歡迎使用</h1>
<div class="starter-template";clear:both;text-align:center;">
<h3 style="background-color:rgba(255,10,10,0.75);color:#ffffff;">1板載LED控制</h3>
<button onclick='setPinValue("on")' >點亮</button>
<button onclick='setPinValue("off")' >熄滅</button>
<p style="color:#40B3DF;">LED狀態:
<span id="txtState"></span></p>
</div>
<div class="starter-template">
<h3 style="background-color:rgba(255,10,10,0.75);color:#ffffff;">2選擇WIFI鏈接方式:</h3>
<div style="color:#40B3DF;">
<p>WIFI鏈接狀態: <span id="wifiState"></span></p>
<div/>
<hr/>
<h4><2.1>普通WIFI上網（家庭）</h4>
<form action="">
WIFI名稱: <input type="text" id="wifiname" />
</form>
<form action="">
WIFI密碼: <input type="text" id="wifipwd" />
</form> <br/>
<button onclick='setWifi(wifiname.value,wifipwd.value)' >鏈接</button>
<h4><2.2>網頁認證上網（學校和商場）</h4>
<form action="">
WIFI名稱: <input type="text" id="wifi_wname" />
</form>
<form action="">
登錄網址: <input type="text" id="wifi_wip" />
</form>
<form action="">
<form action="">
上網密鑰: <input type="text" id="wifi_postdata" />
</form>
<p style="color:#01a1ff;">(上網密鑰 = 帳號（學號）+密碼+其餘信息)<p/>
<button onclick='setWifi_wangye(wifi_wname.value,wifi_wip.value,wifi_postdata.value)' >鏈接</button>
<br/>
<hr/>
</div>
</div>
<script src="js/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<div>
<button onclick='' >如何一鍵獲取上網密鑰？</button>
</div>
<script type="text/javascript">
function setPinValue(value) {
alert("按鍵點擊！");
var xmlhttp;
if (value.length==0)
{
document.getElementById("txtState").innerHTML="請點擊正確按鍵！";
return;
}
if (window.XMLHttpRequest)
{
// IE7+, Firefox, Chrome, Opera, Safari 瀏覽器執行代碼
xmlhttp=new XMLHttpRequest();
}
else
{
// IE6, IE5 瀏覽器執行代碼
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState==4 && xmlhttp.status==200){
//alert(xmlhttp.responseText);
//alert("操做成功");
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("按鍵點擊！");
var xmlhttp;
if (name.length==0)
{
document.getElementById("wifiState").innerHTML="請輸入WIFI信息！";
return;
}
if (window.XMLHttpRequest)
{
// IE7+, Firefox, Chrome, Opera, Safari 瀏覽器執行代碼
xmlhttp=new XMLHttpRequest();
}
else
{
// IE6, IE5 瀏覽器執行代碼
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState==4 && xmlhttp.status==200){
//alert(xmlhttp.responseText);
//alert("操做成功");
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("按鍵點擊！");
var xmlhttp;
if (wifi_wname.length==0||wifi_wip.length==0||wifi_postdata.length==0)
{
document.getElementById("wifiState").innerHTML="請輸入網頁認證信息！";
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 瀏覽器執行代碼
xmlhttp=new XMLHttpRequest();
}
else
{
// IE6, IE5 瀏覽器執行代碼
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState==4 && xmlhttp.status==200){
//alert(xmlhttp.responseText);
//alert("操做成功");
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>
程序代碼php
/*
1 上電從rom讀取上次WIFI地址
成功-1網頁交互 2MQTT通訊
失敗-進入網頁模式，等待新的密碼
2
添加上電檢測重連wifi, 若是是普通直連，若是是網頁認證，直連+網頁請求
*/
//------是否開啓打印-----------------
#define Use_Serial Serial
//-----------------------------A-1 庫引用開始-----------------//
#include <string.h>
#include <math.h> // 數學工具庫
#include <EEPROM.h>// eeprom 存儲庫
// WIFI庫
#include <ESP8266WiFi.h>
//-------客戶端---------
#include <ESP8266HTTPClient.h>
//---------服務器---------
#include <ESP8266WebServer.h>
#include <FS.h>
//Mqtt
#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"
//ESP獲取自身ID
#ifdef ESP8266
extern "C" {
#include "user_interface.h" //含有system_get_chip_id（）的庫
}
#endif
//-----------------------------A-1 庫引用結束-----------------//
//-----------------------------A-2 變量聲明開始-----------------//
int PIN_Led = D4;
bool PIN_Led_State=0;
ESP8266WebServer server ( 80 );
//儲存SN號
String SN;
/*----------------WIFI帳號和密碼--------------*/
char ssid[50] = ""; // Enter SSID here
char password[50] = ""; //Enter Password here
#define DEFAULT_STASSID "lovelamp"
#define DEFAULT_STAPSW "lovelamp"
// 用於存上次的WIFI和密碼
#define MAGIC_NUMBER 0xAA
struct config_type
{
char stassid[50];
char stapsw[50];
uint8_t magic;
};
config_type config_wifi;
//------mqtt頭定義-----------------
#define AIO_SERVER "www.dongvdong.top" //mqtt服務器
#define AIO_SERVERPORT 1883 //端口
#define AIO_USERNAME ""
#define AIO_KEY ""
WiFiClient mqttclient;
//------mqtt通訊-----------------
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請求------------------
struct http_request {
String Referer;
char host[20];
int httpPort=80;
String host_ur ;
String usr_name;//帳號
String usr_pwd;//密碼
String postDate;
};
String http_html;
//-----------------------------A-2 變量聲明結束-----------------//
//-----------------------------A-3 函數聲明開始-----------------//
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 函數聲明結束------------------------//
//-----------------------------A-3 函數-----------------//
//3-1管腳初始化
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 保存參數到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();
}
/*
* 從EEPROM加載參數
*/
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();
//出廠自帶
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創建無線熱點
void SET_AP(){
// 設置內網
IPAddress softLocal(192,168,4,1); // 1 設置內網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 設置WIFI名稱
const char *softAPName = apName.c_str();
WiFi.softAP(softAPName, "admin"); // 3建立wifi 名稱 +密碼 adminadmin
Use_Serial.print("softAPName: "); // 5輸出WIFI 名稱
Use_Serial.println(apName);
IPAddress myIP = WiFi.softAPIP(); // 4輸出建立的WIFI IP地址
Use_Serial.print("AP IP address: ");
Use_Serial.println(myIP);
}
//3-4ESP創建網頁服務器
void Server_int(){
server.on ("/", handleMain); // 綁定‘/’地址到handleMain方法處理 ---- 返回主頁面 一鍵配網頁面
server.on ("/pin", HTTP_GET, handlePin); // 綁定‘/pin’地址到handlePin方法處理 ---- 開關燈請求
server.on ("/wifi", HTTP_GET, handleWifi); // 綁定‘/wifi’地址到handlePWIFI方法處理 --- 從新配網請求
server.on ("/wifi_wangye", HTTP_GET, handleWifi_wangye);
server.on ("/test", HTTP_GET, handleTest);
server.onNotFound ( handleNotFound ); // NotFound處理
server.begin();
Use_Serial.println ( "HTTP server started" );
}
//3-5-1 網頁服務器主頁
void handleMain() {
/* 返回信息給瀏覽器（狀態碼，Content-type， 內容）
* 這裏是訪問當前設備ip直接返回一個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 網頁控制引腳
/* 引腳更改處理
* 訪問地址爲htp://192.162.xxx.xxx/pin?a=XXX的時候根據a的值來進行對應的處理
*/
void handlePin() {
if(server.hasArg("a")) { // 請求中是否包含有a的參數
String action = server.arg("a"); // 得到a參數的值
if(action == "on") { // a=on
digitalWrite(2, LOW); // 點亮8266上的藍色led，led是低電平驅動，須要拉低才能亮
server.send ( 200, "text/html", "Pin 2 has turn on"); return; // 返回數據
} else if(action == "off") { // a=off
digitalWrite(2, HIGH); // 熄滅板載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 網頁修改普通家庭WIFI鏈接帳號密碼
/* WIFI更改處理
* 訪問地址爲htp://192.162.xxx.xxx/wifi?config=on&name=Testwifi&pwd=123456
根據wifi進入 WIFI數據處理函數
根據config的值來進行 on
根據name的值來進行 wifi名字傳輸
根據pwd的值來進行 wifi密碼傳輸
*/
void handleWifi(){
if(server.hasArg("config")) { // 請求中是否包含有a的參數
String config = server.arg("config"); // 得到a參數的值
String wifiname;
String wifipwd;
if(config == "on") { // a=on
if(server.hasArg("name")) { // 請求中是否包含有a的參數
wifiname = server.arg("name"); // 得到a參數的值
}
if(server.hasArg("pwd")) { // 請求中是否包含有a的參數
wifipwd = server.arg("pwd"); // 得到a參數的值
}
String backtxt= "Wifiname: "+ wifiname +"/r/n wifipwd: "+ wifipwd ;// 用於串口和網頁返回信息
Use_Serial.println ( backtxt); // 串口打印給電腦
server.send ( 200, "text/html", backtxt); // 網頁返回給手機提示
// wifi鏈接開始
wifiname.toCharArray(config_wifi.stassid, 50); // 從網頁獲得的 WIFI名
wifipwd.toCharArray(config_wifi.stapsw, 50); //從網頁獲得的 WIFI密碼
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 網頁認證西電上網-- 無用
void http_wifi_xidian(){
//// 經過上網認證，請本身修改postDate中的學號和密碼
// 例如：
/*網頁認證上網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";
/*網頁認證上網模式 */
// String usr_name;//帳號
// String usr_pwd;//密碼
// String postDate = String("")+"action=login&ac_id=1&user_ip=&nas_ip=&user_mac=&url=&username=+"+usr_name+"&password="+usr_pwd;
// 認證上網
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";//帳號 密碼已修改 要+1
ruqest.usr_pwd="mimaHENFuza";//密碼 密碼已修改 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 網頁認證上網
void handleWifi_wangye(){
if(server.hasArg("config")) { // 請求中是否包含有a的參數
// 1 解析數據是否正常
String config = server.arg("config"); // 得到a參數的值
String wifi_wname,wifi_wpwd,wifi_wip,wifi_postdata;
if(config == "on") { // a=on
if(server.hasArg("wifi_wname")) { // 請求中是否包含有a的參數
wifi_wname = server.arg("wifi_wname"); // 得到a參數的值
if(wifi_wname.length()==0){
server.send ( 200, "text/html", "please input WIFI名稱!"); // 網頁返回給手機提示
return;}
}
if(server.hasArg("wifi_wpwd")) { // 請求中是否包含有a的參數
wifi_wpwd = server.arg("wifi_wpwd"); // 得到a參數的值
}
if(server.hasArg("wifi_wip")) { // 請求中是否包含有a的參數
wifi_wip = server.arg("wifi_wip"); // 得到a參數的值
if(wifi_wip.length()==0){
server.send ( 200, "text/html", "please input 登錄網址!"); // 網頁返回給手機提示
return;}
}
if(server.hasArg("wifi_postdata")) { // 請求中是否包含有a的參數
String message=server.arg(3);
for (uint8_t i=4; i<server.args(); i++){
message += "&" +server.argName(i) + "=" + server.arg(i) ;
}
wifi_postdata = message; // 得到a參數的值
if(wifi_postdata.length()==0){
server.send ( 200, "text/html", "please input 聯網信息!"); // 網頁返回給手機提示
return;}
}
//--------------------------------- wifi鏈接-------------------------------------------------
wifi_wname.toCharArray(config_wifi.stassid, 50); // 從網頁獲得的 WIFI名
wifi_wpwd.toCharArray(config_wifi.stapsw, 50); //從網頁獲得的 WIFI密碼
saveConfig();
// wifi鏈接開始
wifi_Init();
//--------------------------------- 認證上網-------------------------------------------------
// 2 發送認證
// ruqest.Referer="http://10.255.44.33/srun_portal_pc.php";
http_request ruqest_http;
ruqest_http.httpPort = 80;
ruqest_http.Referer=wifi_wip;// 登陸網址
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 網頁解析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); // 串口打印給電腦
// 2 解析請求的網頁文件-登陸頁面
// 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); // 串口打印給電腦
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 網頁認證發送HTTP請求
/*---------------------------------------------------------------*/
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);
//處理返回信息
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("時間") != -1 || line.indexOf("登錄") != -1) { //認證成功
return 0;
}
else {
return 2;
}
}
client.stop();
return 2;
}
//3-5-6 網頁測試
void handleTest(){
server.send(200, "text/html", http_html);
}
//3-5-。。。 網頁沒有對應請求如何處理
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 );
}
// 解析請求的文件
/**
* 根據文件後綴獲取html協議的返回內容類型
*/
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綁定初始化
onoffbutton.setCallback(onoffcallback);
mqtt.subscribe(&onoffbutton);
}
//------mqtt回調函數-----------------
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鏈接檢測-----------------
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主函數
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();// 讀取信息 WIFI
wifi_Init(); // 3次嘗試
SET_AP(); // 創建WIFI
SPIFFS.begin();
Server_int();
Mqtt_int();
}
//------------------------------------------- void void loop() ------------------------------------------
void loop()
{
server.handleClient();
Mqtt_Domain();
}
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