24g/WiFiConfig.cpp

#include "WiFiConfig.h"
#include <Arduino.h>

// 持久化存储
Preferences preferences;

// 持久化存储的参数
String deviceID;
String serverAddress;
uint16_t serverPort;

// 加载服务器参数
void loadServerParams() {
  preferences.begin("settings", true);
  serverAddress = preferences.getString("serverAddress", "192.168.3.31");
  serverPort = preferences.getUInt("serverPort", 1883);
  preferences.end();
  Serial.println("[信息] 加载服务器参数：");
  Serial.println("服务器地址: " + serverAddress);
  Serial.println("服务器端口: " + String(serverPort));
}

// 保存参数回调
void saveParamsCallback() {
  Serial.println("[信息] 正在保存自定义参数...");
  preferences.begin("settings", false);
  preferences.putString("serverAddress", serverAddress);
  preferences.putUInt("serverPort", serverPort);
  preferences.end();
  Serial.println("[信息] 参数保存成功。");  
}

// WiFi 配网功能
void setupWiFiConfig() {
  WiFiManager wifiManager;
setConstantOn(true);  // LED 常亮
  WiFiManagerParameter customServer("server", "服务器地址", serverAddress.c_str(), 40);
  WiFiManagerParameter customPort("port", "服务器端口", String(serverPort).c_str(), 6);
  wifiManager.addParameter(&customServer);
  wifiManager.addParameter(&customPort);

  wifiManager.setSaveParamsCallback([]() {
    serverAddress = WiFiManagerParameter("server", "服务器地址", serverAddress.c_str(), 40).getValue();
    serverPort = String(WiFiManagerParameter("port", "服务器端口", String(serverPort).c_str(), 6).getValue()).toInt();
  });

  wifiManager.setConfigPortalTimeout(50);  // 配置模式超时时间为 60 秒

  if (!wifiManager.startConfigPortal("人体存在感应器_Config")) {
    Serial.println("[错误] 配置模式超时或未完成配置！");
    feedWatchdog();
    // 关闭 LED
setConstantOn(false); 
  } else {
    serverAddress = customServer.getValue();
    serverPort = String(customPort.getValue()).toInt();
    saveParamsCallback();
    loadServerParams();  // 重新加载保存的服务器配置
    // 关闭 LED
setConstantOn(false); 
  }
}

// 尝试连接 WiFi
bool connectWiFiWithTimeout(uint32_t timeoutMs) {
  Serial.println("[信息] 正在尝试连接 Wi-Fi...");
  WiFi.begin();
  uint32_t startAttemptTime = millis();
      feedWatchdog();

  while (WiFi.status() != WL_CONNECTED && (millis() - startAttemptTime) < timeoutMs) {
    delay(500);
    addBlinkTask(2);
    Serial.print(".");
  }

  if (WiFi.status() == WL_CONNECTED) {
    Serial.println("\n[信息] Wi-Fi 连接成功！");
    deviceID = WiFi.macAddress();
    Serial.println("设备 ID (MAC 地址): " + deviceID);
    Serial.println("IP 地址: " + WiFi.localIP().toString());
    return true;
  } else {
    Serial.print("\n[错误] Wi-Fi 连接超时，超时时间: ");
    Serial.print(timeoutMs);
    Serial.println(" 毫秒");
    setupWiFiConfig();
    return false;
  }
}