119 lines
3.5 KiB
C++
119 lines
3.5 KiB
C++
/**
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* @file wifi_manager.h
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* @brief WiFi 配网管理器 (AP + WebServer)
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*
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* 功能:
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* - 自动连接已保存的 WiFi
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* - 配网失败/首次启动 → AP 模式 + Captive Portal
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* - 自定义参数: MQTT 服务器/端口/用户/密码、设备名称、环境备注
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* - 长按按钮重置配置
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* - LED 状态指示
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* - LittleFS 持久化存储
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*/
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#ifndef WIFI_MANAGER_H
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#define WIFI_MANAGER_H
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#include <Arduino.h>
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#include <WiFi.h>
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#include <WebServer.h>
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#include <DNSServer.h>
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#include <LittleFS.h>
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#include <BLEDevice.h>
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#include <BLEServer.h>
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#include <BLEUtils.h>
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#include <BLE2902.h>
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#include <ArduinoJson.h>
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#include "config.h"
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// 设备配置结构体
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struct DeviceConfig {
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char mqtt_server[40];
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char mqtt_port[6];
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char mqtt_user[20];
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char mqtt_pass[20];
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char device_id[20];
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char env_note[20]; // 环境备注 (房间名)
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char env_type[16]; // 环境类型 bedroom/bathroom/...
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char wifi_ssid[33]; // WiFi SSID
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char wifi_pass[65]; // WiFi 密码
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};
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class WiFiMgmt {
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public:
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WiFiMgmt();
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~WiFiMgmt();
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// 单例指针 (用于静态回调)
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static WiFiMgmt* _instance;
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bool begin();
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bool loop();
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bool isConnected() const;
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bool justProvisioned(); // 刚配网成功 (读取后自动清除)
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DeviceConfig getConfig() const;
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const char* getDeviceId() const;
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const char* getEnvNote() const;
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void startConfigPortal();
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void handleBLEProvision(const char* json); // BLE 配网回调
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void enqueueBLEJson(const char* json); // BLE 线程安全入队 (仅暂存)
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void resetSettings();
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private:
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bool _connectWiFi(); // 仅尝试已保存凭据
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bool _tryConnect(const char* ssid, const char* pass); // 尝试连接指定 WiFi
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bool _loadConfig();
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bool _saveConfig();
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void _setLEDMode(uint8_t mode);
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static void _ledTaskFunc(void* param);
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bool _checkButtonLongPress();
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// Web 服务器
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void _startPortal();
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void _stopPortal();
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void _handleRoot();
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void _handleSave();
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void _handleReset();
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void _updateWifiScan(); // WiFi 扫描缓存
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String _htmlPage(); // 返回配网 HTML 页面
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// BLE 蓝牙配网
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void _startBLE();
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void _stopBLE();
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WebServer* _server;
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DNSServer* _dns;
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DeviceConfig _config;
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bool _connected;
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bool _portalActive;
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bool _portalStopFlag; // 延迟关闭标记
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uint32_t _portalStartTime;
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String _pendingSSID;
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String _pendingPass;
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bool _provisionSuccess; // 刚配网成功标记
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uint32_t _lastCheckTime;
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uint32_t _buttonPressTime;
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bool _buttonPressed;
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// WiFi 扫描缓存 (避免每次打开页面都扫描3-8秒)
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String _wifiScanCache;
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uint32_t _lastScanTime;
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// LED 独立任务
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TaskHandle_t _ledTaskHandle;
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volatile uint8_t _ledMode; // 0=灭 1=慢闪 2=快闪 3=常亮
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// BLE
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BLEServer* _bleServer;
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BLECharacteristic* _bleInfoChar; // READ: 设备信息
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BLECharacteristic* _bleChar; // WRITE+NOTIFY: 配网
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BLEAdvertising* _bleAdv;
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// BLE 回调保护: 不在 BTC_TASK 栈里做 Flash 写操作
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String _blePendingJson; // 待处理的 BLE 配网 JSON
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bool _blePendingFlag; // 有未处理的 BLE 数据
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void _processBLEPending(); // 在 loop() 上下文处理
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};
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#endif // WIFI_MANAGER_H
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