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8266 wifi config

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建超
2024-10-17 21:42:18 +08:00
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#include <ESP8266WiFi.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <EEPROM.h>
#include <Arduino.h>
#include <WebSocketsServer_Generic.h>
#include <ArduinoJson.h>
//AP名称
const char* AP_NAME = "HOMEKIT-WIFI";
String nets;
//配网页面代码
const char* page_html = "\
<!DOCTYPE html>\r\n\
<html lang='en'>\r\n\
<head>\r\n\
<meta charset='UTF-8'>\r\n\
<meta name='viewport' content='width=device-width, initial-scale=1.0'>\r\n\
<title>网络配置</title>\r\n\
</head>\r\n\
<body>\r\n\
<form name='input' action='/' method='POST'>\r\n\
wifi名称: <br>\r\n\
<input type='text' name='ssid'><br>\r\n\
wifi密码:<br>\r\n\
<input type='text' name='password'><br>\r\n\
<input type='submit' value='保存'>\r\n\
</form>\r\n\
<form action='/reconfigure' method='GET'>\r\n\
<input type='submit' value='重新配置Wi-Fi'>\r\n\
</form>\r\n\
</body>\r\n\
</html>\r\n\
";
//DNS端口号
const byte DNS_PORT = 53;
//esp8266-AP-IP地址
IPAddress apIP(192, 168, 4, 1);
//创建dnsServer实例
DNSServer dnsServer;
//创建WebServer
ESP8266WebServer server(80);
//创建webSocketServer
WebSocketsServer webSocketServer = WebSocketsServer(81);
void webSocketEvent(uint8_t num, WStype_t type, uint8_t* payload, size_t length) {
IPAddress ip;
switch (type) {
case WStype_DISCONNECTED:
Serial.println("对端关闭");
ip = webSocketServer.remoteIP(num);
nets = String(ip[0]) + String(".") + String(ip[1]) + String(".") + String(ip[2]) + String(".") + String(ip[3]);
Serial.println(nets);
break;
case WStype_CONNECTED:
{
Serial.println("对端连接");
ip = webSocketServer.remoteIP(num);
nets = String(ip[0]) + String(".") + String(ip[1]) + String(".") + String(ip[2]) + String(".") + String(ip[3]);
Serial.println(nets);
}
break;
case WStype_TEXT:
Serial.println("收到消息");
showcpu(payload);
break;
}
}
void showcpu(uint8_t* payload) {
StaticJsonDocument<200> root;
deserializeJson(root, (const char*)payload);
String type = root["type"];
Serial.println("type-----" + String(type));
}
//访问主页回调函数
void handleRoot() {
server.send(200, "text/html", page_html);
}
void handleReset() {
for (int i = 0; i < 96; ++i) {
EEPROM.write(2048 + i, 0);
}
EEPROM.commit();
server.send(200, "text/html", "<meta charset='UTF-8'>清除WIFI配置信息成功");
delay(2000);
Serial.println("准备重启中...");
Serial.println();
//重启
ESP.reset();
}
//Post回调函数
void handleRootPost() {
Serial.println("接收POST数据");
String qsid = server.arg("ssid");
String qpass = server.arg("password");
Serial.println("POST-WIFI名称:");
Serial.println(qsid);
Serial.println("POST-WIFI密码:");
Serial.println(qpass);
Serial.println("");
if (qsid.length() > 0 && qpass.length() > 0) {
Serial.println("清除之前的账号密码开始");
for (int i = 0; i < 96; ++i) {
EEPROM.write(2048 + i, 0);
}
Serial.println("清除之前的账号密码完毕");
Serial.println("写入新的WIFI名称:");
for (int i = 0; i < qsid.length(); ++i) {
EEPROM.write(2048 + i, qsid[i]);
}
Serial.println("写入新的WIFI密码:");
for (int i = 0; i < qpass.length(); ++i) {
EEPROM.write(2048 + 32 + i, qpass[i]);
}
EEPROM.commit();
// 连接新的Wi-Fi
connectNewWifi();
// 返回保存成功页面和IP地址
String response = "<meta charset='UTF-8'>网络配置保存成功<br>";
response += "设备IP地址: " + WiFi.localIP().toString();
server.send(200, "text/html", response);
} else {
Serial.println("POST参数有误");
server.send(200, "text/html", "<meta charset='UTF-8'>POST参数有误");
return;
}
//返回保存成功页面
// server.send(200, "text/html", "<meta charset='UTF-8'>保存成功");
//重启
delay(2000);
Serial.println("准备重启中...");
Serial.println();
ESP.reset();
}
//初始化基础
void initBasic(void) {
Serial.begin(115200);
//设置设备名
// WiFi.hostname("HOMEKIT");
// 断开之前链接的WIFI
WiFi.disconnect();
// 初始化 EEPROM
// EEPROM = EEPROMClass(0x3FB);
EEPROM.begin(4096);
}
//初始化AP模式
void initSoftAP(void) {
WiFi.mode(WIFI_AP);
WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));
if (WiFi.softAP(AP_NAME)) {
Serial.println("AP模式设置成功");
}
}
//初始化WebServer
void initWebServer(void) {
//设置主页回调函数
server.on("/", HTTP_GET, handleRoot);
server.on("/reset", HTTP_GET, handleReset);
server.on("/reconfigure", HTTP_GET, handleReconfigure); // 添加重新配置路由
//设置无法响应的http请求的回调函数
server.onNotFound(handleRoot);
//设置Post请求回调函数
server.on("/", HTTP_POST, handleRootPost);
//启动WebServer
server.begin();
Serial.println();
Serial.println("HTTP服务启动成功!");
}
void handleReconfigure() {
Serial.println("正在重新配置Wi-Fi...");
if (WiFi.status() == WL_CONNECTED) { //如果连接上 就输出IP信息 防止未连接上break后会误输出
// 断开当前的Wi-Fi连接
WiFi.disconnect();
// 启动AP模式
initSoftAP();
initDNS();
// 返回配置页面
server.send(200, "text/html", page_html);
// server.stop();
}
}
//初始化DNS服务器
void initDNS(void) {
//判断将所有地址映射到esp8266的ip上是否成功
if (dnsServer.start(DNS_PORT, "*", apIP)) {
Serial.println("DNS服务器启动成功.");
} else {
Serial.println("DNS服务器启动失败.");
}
}
void connectNewWifi(void) {
Serial.println("读取本地缓存的WIFI名称");
String esid;
for (int i = 0; i < 32; ++i) {
esid += char(EEPROM.read(2048 + i));
}
Serial.println(esid);
Serial.println("读取本地缓存的WIFI密码");
String epass = "";
for (int i = 32; i < 96; ++i) {
epass += char(EEPROM.read(2048 + i));
}
Serial.println(epass);
// WiFi.hostname("esp8266_test");
WiFi.begin(esid, epass); // 链接WIFI
Serial.println("");
Serial.print("正在连接WIFI中");
int count = 0;
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
count++;
if (count > 10) { //如果5秒内没有连上，就开启Web配网 可适当调整这个时间
initSoftAP();
initDNS();
break; // 跳出 防止无限初始化
}
Serial.print(".");
}
Serial.println("");
if (WiFi.status() == WL_CONNECTED) { //如果连接上 就输出IP信息 防止未连接上break后会误输出
Serial.println("WIFI链接成功!");
Serial.println("IP地址如下:");
Serial.println(WiFi.localIP());
// server.stop();
}
}
void setup() {
initBasic();
initWebServer();
connectNewWifi();
webSocketServer.begin();
webSocketServer.onEvent(webSocketEvent);
Serial.println("webSocketServer start");
}
void loop() {
server.handleClient();
dnsServer.processNextRequest();
webSocketServer.loop();
delay(5);
}