feat: init
This commit is contained in:
yangzhijia
412
src/wifi_manager.cpp
Normal file
412
src/wifi_manager.cpp
Normal file
@@ -0,0 +1,412 @@
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/**
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* @file wifi_manager.cpp
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* @brief WiFi 配网管理器实现
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*/
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#include "wifi_manager.h"
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// 单例指针
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WiFiMgmt* WiFiMgmt::_instance = nullptr;
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// ============================================================
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// 构造函数 & 析构函数
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// ============================================================
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WiFiMgmt::WiFiMgmt()
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: _connected(false)
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, _lastCheckTime(0)
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, _buttonPressTime(0)
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, _buttonPressed(false)
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, _ledLastToggle(0)
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, _ledState(false)
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, _param_mqtt_server(nullptr)
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, _param_mqtt_port(nullptr)
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, _param_mqtt_user(nullptr)
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, _param_mqtt_pass(nullptr)
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, _param_device_id(nullptr)
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, _param_env_note(nullptr)
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{
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memset(&_config, 0, sizeof(_config));
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_instance = this; // 设置单例
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}
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WiFiMgmt::~WiFiMgmt() {
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_instance = nullptr;
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}
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// ============================================================
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// 初始化
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// ============================================================
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bool WiFiMgmt::begin() {
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Serial.println(F("\n========================================"));
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Serial.println(F(" WiFi 配网管理器 初始化"));
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Serial.println(F("========================================"));
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// 初始化引脚
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pinMode(CONFIG_BUTTON_PIN, INPUT_PULLUP);
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pinMode(LED_WIFI_PIN, OUTPUT);
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digitalWrite(LED_WIFI_PIN, LOW);
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// 初始化 LittleFS
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if (!LittleFS.begin(true)) {
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Serial.println(F("[WiFi] ❌ LittleFS 挂载失败!"));
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return false;
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}
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Serial.println(F("[WiFi] ✅ LittleFS 已挂载"));
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// 加载配置
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if (!_loadConfig()) {
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Serial.println(F("[WiFi] 使用默认配置"));
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// 设置默认值
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strncpy(_config.mqtt_server, MQTT_DEFAULT_SERVER, sizeof(_config.mqtt_server) - 1);
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strncpy(_config.mqtt_port, MQTT_DEFAULT_PORT_STR, sizeof(_config.mqtt_port) - 1);
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strncpy(_config.mqtt_user, MQTT_DEFAULT_USER, sizeof(_config.mqtt_user) - 1);
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strncpy(_config.mqtt_pass, MQTT_DEFAULT_PASS, sizeof(_config.mqtt_pass) - 1);
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strncpy(_config.device_id, MQTT_DEFAULT_DEVICE, sizeof(_config.device_id) - 1);
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strncpy(_config.env_note, MQTT_DEFAULT_ENV, sizeof(_config.env_note) - 1);
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}
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// 配置 WiFiManager
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_wm.setDebugOutput(false); // 关闭调试输出 (避免干扰)
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_wm.setConfigPortalTimeout(WIFI_CONFIG_TIMEOUT);
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_wm.setConnectTimeout(WIFI_CONNECT_TIMEOUT);
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_wm.setTitle("🏥 五劳无感康养监测 - 设备配网"); // 配网页面的中文标题
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_wm.setCustomHeadElement(
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"<style>"
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"body { font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif; }"
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".msg .info { font-size: 14px; }"
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"</style>"
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);
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WiFi.setAutoReconnect(true); // ESP32 自动重连
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// 注册保存回调 (必须使用静态函数, 不能使用 lambda)
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_wm.setSaveConfigCallback(_saveParamsCallback);
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// 创建自定义参数
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_param_mqtt_server = new WiFiManagerParameter(
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"mqtt_server", "MQTT 服务器地址",
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_config.mqtt_server, 40);
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_param_mqtt_port = new WiFiManagerParameter(
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"mqtt_port", "MQTT 端口",
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_config.mqtt_port, 6);
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_param_mqtt_user = new WiFiManagerParameter(
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"mqtt_user", "MQTT 用户名",
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_config.mqtt_user, 20);
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_param_mqtt_pass = new WiFiManagerParameter(
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"mqtt_pass", "MQTT 密码",
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_config.mqtt_pass, 20);
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_param_device_id = new WiFiManagerParameter(
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"device_id", "设备名称",
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_config.device_id, 20);
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_param_env_note = new WiFiManagerParameter(
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"env_note", "🏠 环境备注 (如: 主卧/客厅/老人房)",
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_config.env_note, 20);
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// 注册自定义参数
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_wm.addParameter(_param_mqtt_server);
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_wm.addParameter(_param_mqtt_port);
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_wm.addParameter(_param_mqtt_user);
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_wm.addParameter(_param_mqtt_pass);
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_wm.addParameter(_param_device_id);
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_wm.addParameter(_param_env_note);
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// 设置 AP 模式回调 (静态函数)
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_wm.setAPCallback(_apCallback);
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// 尝试连接 WiFi
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_connected = _connectWiFi();
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if (!_connected) {
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// 如果自动连接失败, 启动配网页面
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Serial.println(F("[WiFi] 自动连接失败, 启动配网模式..."));
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_setLEDMode(1); // 快闪 = 配网模式
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_connected = _connectWiFi(); // 内部会启动配网页面
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}
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if (_connected) {
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_setLEDMode(2); // 常亮 = 已连接
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}
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_lastCheckTime = millis();
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return _connected;
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}
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// ============================================================
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// 主循环
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// ============================================================
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bool WiFiMgmt::loop() {
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// 检测按钮长按
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if (_checkButtonLongPress()) {
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Serial.println(F("[WiFi] ⚠️ 检测到长按, 清除配置并重启..."));
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resetSettings();
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return false;
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}
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// 检查 WiFi 状态
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if (millis() - _lastCheckTime > WIFI_RETRY_INTERVAL) {
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_lastCheckTime = millis();
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if (WiFi.status() != WL_CONNECTED) {
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_connected = false;
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_setLEDMode(0); // 慢闪 = 未连接
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Serial.println(F("[WiFi] ⚠️ WiFi 断开, 尝试重连..."));
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_connectWiFi();
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} else {
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_connected = true;
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_setLEDMode(2); // 常亮
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}
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}
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// LED 闪烁处理
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if (!_connected) {
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uint32_t interval = (_wm.getConfigPortalActive()) ? 300 : 1000;
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if (millis() - _ledLastToggle > interval) {
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_ledLastToggle = millis();
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_ledState = !_ledState;
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digitalWrite(LED_WIFI_PIN, _ledState ? HIGH : LOW);
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}
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}
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return _connected;
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}
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// ============================================================
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// WiFi 连接
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// ============================================================
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bool WiFiMgmt::_connectWiFi() {
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// 检查是否有已保存的配置
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// autoConnect 会先尝试连接, 失败后启动 AP 配网页面
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_connected = _wm.autoConnect(WIFI_AP_SSID, WIFI_AP_PASSWORD);
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if (_connected) {
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Serial.println(F("[WiFi] ✅ 已连接!"));
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Serial.printf(" WiFi名称: %s\n", WiFi.SSID().c_str());
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Serial.printf(" IP地址: %s\n", WiFi.localIP().toString().c_str());
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Serial.printf(" MAC地址: %s\n", WiFi.macAddress().c_str());
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// 重新加载配置 (确保获取最新值)
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// autoConnect 过程中如果有保存, 回调已写入 LittleFS
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_loadConfig();
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// 同步自定义参数 (如果配置是从 LittleFS 加载的)
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_param_mqtt_server->setValue(_config.mqtt_server, sizeof(_config.mqtt_server));
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_param_mqtt_port->setValue(_config.mqtt_port, sizeof(_config.mqtt_port));
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_param_mqtt_user->setValue(_config.mqtt_user, sizeof(_config.mqtt_user));
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_param_mqtt_pass->setValue(_config.mqtt_pass, sizeof(_config.mqtt_pass));
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_param_device_id->setValue(_config.device_id, sizeof(_config.device_id));
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_param_env_note->setValue(_config.env_note, sizeof(_config.env_note));
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Serial.printf(" 设备名: %s\n", _config.device_id);
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Serial.printf(" 环境: %s\n", _config.env_note);
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Serial.printf(" MQTT服务器: %s:%s\n", _config.mqtt_server, _config.mqtt_port);
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}
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return _connected;
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}
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// ============================================================
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// 配网页面
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// ============================================================
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void WiFiMgmt::startConfigPortal() {
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Serial.println(F("[WiFi] 🔧 手动启动配网页面..."));
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_setLEDMode(1);
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_wm.startConfigPortal(WIFI_AP_SSID, WIFI_AP_PASSWORD);
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_connected = (WiFi.status() == WL_CONNECTED);
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if (_connected) {
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_setLEDMode(2);
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}
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}
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// ============================================================
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// 重置设置
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// ============================================================
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void WiFiMgmt::resetSettings() {
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Serial.println(F("[WiFi] 清除所有配置..."));
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// 删除 LittleFS 中的配置文件
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if (LittleFS.exists(CONFIG_FILE_WIFI)) LittleFS.remove(CONFIG_FILE_WIFI);
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if (LittleFS.exists(CONFIG_FILE_MQTT)) LittleFS.remove(CONFIG_FILE_MQTT);
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if (LittleFS.exists(CONFIG_FILE_DEVICE)) LittleFS.remove(CONFIG_FILE_DEVICE);
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// 清除 WiFiManager 的配置
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_wm.resetSettings();
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// LED 快闪提示
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for (int i = 0; i < 10; i++) {
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digitalWrite(LED_WIFI_PIN, !digitalRead(LED_WIFI_PIN));
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delay(100);
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}
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Serial.println(F("[WiFi] 🔄 正在重启..."));
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delay(500);
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ESP.restart();
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}
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// ============================================================
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// 按钮长按检测
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// ============================================================
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bool WiFiMgmt::_checkButtonLongPress() {
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bool pressed = (digitalRead(CONFIG_BUTTON_PIN) == LOW);
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if (pressed && !_buttonPressed) {
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// 按下
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_buttonPressed = true;
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_buttonPressTime = millis();
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} else if (!pressed && _buttonPressed) {
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// 松开
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_buttonPressed = false;
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if (millis() - _buttonPressTime >= BUTTON_LONG_PRESS_MS) {
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return true; // 长按确认
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}
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}
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return false;
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}
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// ============================================================
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// LittleFS 配置持久化
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// ============================================================
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bool WiFiMgmt::_loadConfig() {
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if (!LittleFS.exists(CONFIG_FILE_DEVICE)) {
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return false;
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}
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File file = LittleFS.open(CONFIG_FILE_DEVICE, "r");
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if (!file) return false;
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JsonDocument doc;
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DeserializationError err = deserializeJson(doc, file);
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file.close();
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if (err) {
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Serial.printf("[WiFi] JSON 解析失败: %s\n", err.c_str());
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return false;
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}
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strncpy(_config.mqtt_server, doc["mqtt_server"] | MQTT_DEFAULT_SERVER, sizeof(_config.mqtt_server) - 1);
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strncpy(_config.mqtt_port, doc["mqtt_port"] | MQTT_DEFAULT_PORT_STR, sizeof(_config.mqtt_port) - 1);
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strncpy(_config.mqtt_user, doc["mqtt_user"] | MQTT_DEFAULT_USER, sizeof(_config.mqtt_user) - 1);
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strncpy(_config.mqtt_pass, doc["mqtt_pass"] | MQTT_DEFAULT_PASS, sizeof(_config.mqtt_pass) - 1);
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strncpy(_config.device_id, doc["device_id"] | MQTT_DEFAULT_DEVICE, sizeof(_config.device_id) - 1);
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strncpy(_config.env_note, doc["env_note"] | MQTT_DEFAULT_ENV, sizeof(_config.env_note) - 1);
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Serial.println(F("[WiFi] ✅ 设备配置已加载"));
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Serial.printf(" 设备名: %s, 环境: %s\n", _config.device_id, _config.env_note);
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return true;
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}
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bool WiFiMgmt::_saveConfig() {
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JsonDocument doc;
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doc["mqtt_server"] = _config.mqtt_server;
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doc["mqtt_port"] = _config.mqtt_port;
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doc["mqtt_user"] = _config.mqtt_user;
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doc["mqtt_pass"] = _config.mqtt_pass;
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doc["device_id"] = _config.device_id;
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doc["env_note"] = _config.env_note;
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File file = LittleFS.open(CONFIG_FILE_DEVICE, "w");
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if (!file) {
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Serial.println(F("[WiFi] ❌ 无法创建配置文件"));
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return false;
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}
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if (serializeJson(doc, file) == 0) {
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Serial.println(F("[WiFi] ❌ 配置写入失败"));
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file.close();
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return false;
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}
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file.close();
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Serial.println(F("[WiFi] ✅ 设备配置已保存"));
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return true;
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}
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// ============================================================
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// WiFiManager 保存参数回调
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// ============================================================
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// ============================================================
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// 静态回调函数 (WiFiManager 要求 C 函数指针)
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// ============================================================
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void WiFiMgmt::_apCallback(WiFiManager* wm) {
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Serial.println(F("[WiFi] 🔧 进入配网模式"));
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Serial.printf(" AP WiFi名称: %s\n", WIFI_AP_SSID);
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Serial.printf(" AP 密码: %s\n", WIFI_AP_PASSWORD);
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Serial.println(F(" 手机连接此 WiFi 即可打开配网页面 (自动弹出)"));
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}
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void WiFiMgmt::_saveParamsCallback() {
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if (!_instance) return;
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Serial.println(F("[WiFi] 💾 参数已保存"));
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// 从 WiFiManager 参数中读取值
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strncpy(_instance->_config.mqtt_server, _instance->_param_mqtt_server->getValue(),
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sizeof(_instance->_config.mqtt_server) - 1);
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strncpy(_instance->_config.mqtt_port, _instance->_param_mqtt_port->getValue(),
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sizeof(_instance->_config.mqtt_port) - 1);
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strncpy(_instance->_config.mqtt_user, _instance->_param_mqtt_user->getValue(),
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sizeof(_instance->_config.mqtt_user) - 1);
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strncpy(_instance->_config.mqtt_pass, _instance->_param_mqtt_pass->getValue(),
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sizeof(_instance->_config.mqtt_pass) - 1);
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strncpy(_instance->_config.device_id, _instance->_param_device_id->getValue(),
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sizeof(_instance->_config.device_id) - 1);
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strncpy(_instance->_config.env_note, _instance->_param_env_note->getValue(),
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sizeof(_instance->_config.env_note) - 1);
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_instance->_saveConfig();
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Serial.println(F("[WiFi] 📋 新配置:"));
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Serial.printf(" MQTT: %s:%s\n",
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_instance->_config.mqtt_server,
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_instance->_config.mqtt_port);
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Serial.printf(" 设备: %s\n", _instance->_config.device_id);
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Serial.printf(" 环境: %s\n", _instance->_config.env_note);
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}
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// ============================================================
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// Getter 方法
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// ============================================================
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bool WiFiMgmt::isConnected() const {
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return _connected && (WiFi.status() == WL_CONNECTED);
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}
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DeviceConfig WiFiMgmt::getConfig() const {
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return _config;
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}
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const char* WiFiMgmt::getDeviceId() const {
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return _config.device_id;
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}
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const char* WiFiMgmt::getEnvNote() const {
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return _config.env_note;
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}
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// ============================================================
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// LED 模式控制
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// ============================================================
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void WiFiMgmt::_setLEDMode(uint8_t mode) {
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// mode 由 loop() 中的闪烁逻辑处理
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// 0=慢闪 1=快闪 2=常亮
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switch (mode) {
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case 0:
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case 1:
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// 闪烁由 loop 处理
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break;
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case 2:
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digitalWrite(LED_WIFI_PIN, HIGH);
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_ledState = true;
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break;
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}
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}
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