Refactor timer duration to support float values and add firmware update functionality in web server

src/config.h

@@ -40,7 +40,7 @@ struct TimerConfig
     int pin;
     int hour;
     int minute;
-    int duration;                 // 持续时间（秒）
+    float duration;               // 持续时间（秒，支持小数）
     bool repeatDaily;             // 每天重复
     bool isActive;                // 当前是否激活
     unsigned long startTime;      // 开始时间（millis时间戳）

src/timer_manager.cpp

@@ -94,7 +94,7 @@ void TimerManager::update() {
         
         // 检查是否需要关闭
         if (timers[i].isActive && 
-            currentTime - timers[i].startTime >= (unsigned long)(timers[i].duration * 1000)) {
+            currentTime - timers[i].startTime >= (unsigned long)(timers[i].duration * 1000.0)) {
             
             timers[i].isActive = false;
             timers[i].realStartTime = 0; // 清理真实时间戳
@@ -112,7 +112,7 @@ void TimerManager::update() {
     }
 }
 
-bool TimerManager::addTimer(int pin, int hour, int minute, int duration, bool repeatDaily, bool isPWM, int pwmValue) {
+bool TimerManager::addTimer(int pin, int hour, int minute, float duration, bool repeatDaily, bool isPWM, int pwmValue) {
     if (timerCount >= MAX_TIMERS) {
         return false;
     }
@@ -128,7 +128,7 @@ bool TimerManager::addTimer(int pin, int hour, int minute, int duration, bool re
     if (!pinValid) return false;
     
     // 验证时间
-    if (hour < 0 || hour > 23 || minute < 0 || minute > 59 || duration <= 0) {
+    if (hour < 0 || hour > 23 || minute < 0 || minute > 59 || duration <= 0.0) {
         return false;
     }
     
@@ -183,7 +183,7 @@ bool TimerManager::removeTimer(int index) {
     return true;
 }
 
-bool TimerManager::updateTimer(int index, int pin, int hour, int minute, int duration, bool enabled, bool repeatDaily, bool isPWM, int pwmValue) {
+bool TimerManager::updateTimer(int index, int pin, int hour, int minute, float duration, bool enabled, bool repeatDaily, bool isPWM, int pwmValue) {
     if (index < 0 || index >= timerCount) {
         return false;
     }
@@ -199,7 +199,7 @@ bool TimerManager::updateTimer(int index, int pin, int hour, int minute, int dur
     if (!pinValid) return false;
     
     // 验证时间
-    if (hour < 0 || hour > 23 || minute < 0 || minute > 59 || duration <= 0) {
+    if (hour < 0 || hour > 23 || minute < 0 || minute > 59 || duration <= 0.0) {
         return false;
     }
     
@@ -234,11 +234,11 @@ bool TimerManager::updateTimer(int index, int pin, int hour, int minute, int dur
 }
 
 String TimerManager::getTimersJSON() {
-    DynamicJsonDocument doc(2048);
+    JsonDocument doc;
     JsonArray array = doc.to<JsonArray>();
     
     for (int i = 0; i < timerCount; i++) {
-        JsonObject timer = array.createNestedObject();
+        JsonObject timer = array.add<JsonObject>();
         timer["index"] = i;
         timer["enabled"] = timers[i].enabled;
         timer["pin"] = timers[i].pin;
@@ -257,11 +257,11 @@ String TimerManager::getTimersJSON() {
 }
 
 String TimerManager::getAvailablePinsJSON() {
-    DynamicJsonDocument doc(1024);
+    JsonDocument doc;
     JsonArray array = doc.to<JsonArray>();
     
     for (int i = 0; i < AVAILABLE_PINS_COUNT; i++) {
-        JsonObject pin = array.createNestedObject();
+        JsonObject pin = array.add<JsonObject>();
         pin["pin"] = AVAILABLE_PINS[i];
         pin["state"] = digitalRead(AVAILABLE_PINS[i]);
         
@@ -281,7 +281,7 @@ String TimerManager::getAvailablePinsJSON() {
     return result;
 }
 
-void TimerManager::executeManualControl(int pin, int duration, bool isPWM, int pwmValue) {
+void TimerManager::executeManualControl(int pin, float duration, bool isPWM, int pwmValue) {
     // 验证引脚
     bool pinValid = false;
     for (int i = 0; i < AVAILABLE_PINS_COUNT; i++) {
@@ -297,14 +297,14 @@ void TimerManager::executeManualControl(int pin, int duration, bool isPWM, int p
         return;
     }
     
-    if (duration > 0) {
+    if (duration > 0.0) {
         // 开启引脚指定时间
         setPin(pin, HIGH, isPWM ? pwmValue : 0);
         String modeStr = isPWM ? " PWM模式, 值=" + String(pwmValue) : " 数字模式";
         Serial.println("手动控制：引脚 " + String(pin) + " 开启 " + String(duration) + " 秒" + modeStr);
         
         // 这里应该使用定时器来关闭，简化处理
-        delay(duration * 1000);
+        delay((unsigned long)(duration * 1000.0));
         setPin(pin, LOW, 0);
         Serial.println("手动控制：引脚 " + String(pin) + " 关闭");
     } else {
@@ -339,8 +339,18 @@ void TimerManager::saveTimers() {
         EEPROM.write(addr++, timers[i].pin);
         EEPROM.write(addr++, timers[i].hour);
         EEPROM.write(addr++, timers[i].minute);
-        EEPROM.write(addr++, (timers[i].duration >> 8) & 0xFF);
+        
-        EEPROM.write(addr++, timers[i].duration & 0xFF);
+        // 保存float类型的duration（4字节）
+        union {
+            float f;
+            uint8_t bytes[4];
+        } durationConverter;
+        durationConverter.f = timers[i].duration;
+        EEPROM.write(addr++, durationConverter.bytes[0]);
+        EEPROM.write(addr++, durationConverter.bytes[1]);
+        EEPROM.write(addr++, durationConverter.bytes[2]);
+        EEPROM.write(addr++, durationConverter.bytes[3]);
+        
         EEPROM.write(addr++, timers[i].repeatDaily ? 1 : 0);
         EEPROM.write(addr++, timers[i].isPWM ? 1 : 0);
         EEPROM.write(addr++, (timers[i].pwmValue >> 8) & 0xFF);
@@ -387,13 +397,22 @@ void TimerManager::loadTimers() {
         timers[i].pin = EEPROM.read(addr++);
         timers[i].hour = EEPROM.read(addr++);
         timers[i].minute = EEPROM.read(addr++);
-        int durationHigh = EEPROM.read(addr++);
+        
-        int durationLow = EEPROM.read(addr++);
+        // 读取float类型的duration（4字节）
-        timers[i].duration = (durationHigh << 8) | durationLow;
+        union {
+            float f;
+            uint8_t bytes[4];
+        } durationConverter;
+        durationConverter.bytes[0] = EEPROM.read(addr++);
+        durationConverter.bytes[1] = EEPROM.read(addr++);
+        durationConverter.bytes[2] = EEPROM.read(addr++);
+        durationConverter.bytes[3] = EEPROM.read(addr++);
+        timers[i].duration = durationConverter.f;
+        
         timers[i].repeatDaily = EEPROM.read(addr++) == 1;
         
         // 检查是否有PWM数据（向后兼容）
-        if (addr < EEPROM_SIZE - 16) { // 增加了13个字节的运行时状态数据（9+4）
+        if (addr < EEPROM_SIZE - 20) { // 更新了字节数计算：duration现在是4字节而不是2字节
             timers[i].isPWM = EEPROM.read(addr++) == 1;
             int pwmHigh = EEPROM.read(addr++);
             int pwmLow = EEPROM.read(addr++);
@@ -455,7 +474,7 @@ void TimerManager::loadTimers() {
                 unsigned long elapsedTime = currentTime - timers[i].startTime;
                 
                 // 检查定时器是否已经超时
-                if (elapsedTime >= (unsigned long)(timers[i].duration * 1000)) {
+                if (elapsedTime >= (unsigned long)(timers[i].duration * 1000.0)) {
                     // 定时器已经超时，关闭它
                     timers[i].isActive = false;
                     timers[i].realStartTime = 0;
@@ -465,7 +484,7 @@ void TimerManager::loadTimers() {
                     // 定时器仍然有效，恢复引脚状态
                     setPin(timers[i].pin, HIGH, timers[i].isPWM ? timers[i].pwmValue : 0);
                     String modeStr = timers[i].isPWM ? " PWM(" + String(timers[i].pwmValue) + ")" : "";
-                    unsigned long remainingTime = (timers[i].duration * 1000) - elapsedTime;
+                    unsigned long remainingTime = (unsigned long)(timers[i].duration * 1000.0) - elapsedTime;
                     Serial.println("恢复定时器 " + String(i) + " 状态，引脚 " + String(timers[i].pin) + " 开启" + modeStr + 
                                   "，剩余时间: " + String(remainingTime / 1000) + "秒");
                 }
@@ -492,8 +511,8 @@ void TimerManager::saveTimerStates() {
     int addr = TIMER_CONFIG_ADDR + 1; // 跳过定时器数量
     
     for (int i = 0; i < timerCount; i++) {
-        // 跳过基本配置部分 (10字节)
+        // 跳过基本配置部分 (12字节: enabled(1) + pin(1) + hour(1) + minute(1) + duration(4) + repeatDaily(1) + isPWM(1) + pwmValue(2))
-        addr += 10;
+        addr += 12;
         
         // 更新运行时状态部分 (13字节)
         EEPROM.write(addr++, timers[i].isActive ? 1 : 0);
@@ -545,7 +564,7 @@ TimerConfig TimerManager::getTimer(int index) {
         return timers[index];
     }
     
-    TimerConfig empty = {false, 0, 0, 0, 0, false, false, 0, 0UL, false, 0, 0UL};
+    TimerConfig empty = {false, 0, 0, 0, 0.0, false, false, 0, 0UL, false, 0, 0UL};
     return empty;
 }
 

src/timer_manager.h

@@ -19,9 +19,9 @@ public:
     TimerManager();
     void begin(TimeManager* tm);
     void update();
-    bool addTimer(int pin, int hour, int minute, int duration, bool repeatDaily = false, bool isPWM = false, int pwmValue = 512);
+    bool addTimer(int pin, int hour, int minute, float duration, bool repeatDaily = false, bool isPWM = false, int pwmValue = 512);
     bool removeTimer(int index);
-    bool updateTimer(int index, int pin, int hour, int minute, int duration, bool enabled, bool repeatDaily = false, bool isPWM = false, int pwmValue = 512);
+    bool updateTimer(int index, int pin, int hour, int minute, float duration, bool enabled, bool repeatDaily = false, bool isPWM = false, int pwmValue = 512);
     String getTimersJSON();
     void saveTimers();
     void saveTimerStates(); // 新增：仅保存运行时状态
@@ -31,7 +31,7 @@ public:
     TimerConfig getTimer(int index);
     void setPin(int pin, bool state, int pwmValue = 0);
     String getAvailablePinsJSON();
-    void executeManualControl(int pin, int duration, bool isPWM = false, int pwmValue = 512);
+    void executeManualControl(int pin, float duration, bool isPWM = false, int pwmValue = 512);
     bool hasValidTime();
 };
 

src/web_pages.h

@@ -371,6 +371,7 @@ const char INDEX_HTML[] PROGMEM = R"rawliteral(
                         <button class="tab" onclick="switchTab('manual', this)">手动控制</button>
                         <button class="tab" onclick="switchTab('system', this)">系统状态</button>
                         <button class="tab" onclick="switchTab('wifi', this)">WiFi设置</button>
+                        <button class="tab" onclick="switchTab('firmware', this)">固件更新</button>
                     </nav>
                 </div>
 
@@ -397,7 +398,7 @@ const char INDEX_HTML[] PROGMEM = R"rawliteral(
                                         </div>
                                         <div>
                                             <label for="timer-duration" class="block text-sm font-medium text-gray-700 mb-1">持续时间 (秒)</label>
-                                            <input type="number" id="timer-duration" min="1" max="86400" value="60" class="w-full p-2 border border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
+                                            <input type="number" id="timer-duration" max="86400" value="0.3" class="w-full p-2 border border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
                                         </div>
                                         <div class="flex items-center">
                                             <input type="checkbox" id="timer-repeat" checked class="h-4 w-4 text-indigo-600 border-gray-300 rounded focus:ring-indigo-500">
@@ -460,7 +461,7 @@ const char INDEX_HTML[] PROGMEM = R"rawliteral(
                                     </div>
                                     <div>
                                         <label for="manual-duration" class="block text-sm font-medium text-gray-700 mb-1">持续时间 (0=切换)</label>
-                                        <input type="number" id="manual-duration" min="0" max="86400" value="0" class="w-full p-2 border border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
+                                        <input type="number" id="manual-duration"  max="86400" value="0" class="w-full p-2 border border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
                                     </div>
                                     <div>
                                         <label class="flex items-center space-x-2">
@@ -568,6 +569,65 @@ const char INDEX_HTML[] PROGMEM = R"rawliteral(
                             </div>
                         </div>
                     </div>
+
+                    <!-- 固件更新 -->
+                    <div id="firmware-content" class="tab-content hidden fade-in">
+                        <div class="max-w-md mx-auto p-5 border rounded-lg bg-gray-50">
+                            <h3 class="text-lg font-semibold mb-4 text-gray-800">🔧 固件更新</h3>
+                            <div id="firmware-message" class="hidden mb-4"></div>
+                            
+                            <div class="space-y-4">
+                                <div class="p-4 bg-blue-50 border border-blue-200 rounded-lg">
+                                    <h4 class="font-medium text-blue-800 mb-2">当前固件信息</h4>
+                                    <div class="text-sm text-blue-700">
+                                        <div>版本: <span id="current-version">加载中...</span></div>
+                                        <div>编译时间: <span id="build-time">加载中...</span></div>
+                                        <div>芯片ID: <span id="firmware-chip-id">加载中...</span></div>
+                                    </div>
+                                </div>
+                                
+                                <div>
+                                    <label for="firmware-file" class="block text-sm font-medium text-gray-700 mb-2">
+                                        📁 选择固件文件 (.bin)
+                                    </label>
+                                    <input type="file" id="firmware-file" accept=".bin" class="w-full p-2 border border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500">
+                                    <div class="mt-2 text-xs text-gray-500">
+                                        支持的文件格式: .bin (最大 2MB)
+                                    </div>
+                                </div>
+                                
+                                <div class="p-3 text-xs text-yellow-800 rounded-lg bg-yellow-50 border border-yellow-200">
+                                    ⚠️ 警告：固件更新可能需要 2-5 分钟，期间请勿断电或关闭浏览器。更新完成后设备将自动重启。
+                                </div>
+                                
+                                <div class="space-y-2">
+                                    <button id="upload-btn" class="w-full bg-red-600 text-white font-semibold py-3 px-4 rounded-md hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-red-500 transition-colors disabled:opacity-50 disabled:cursor-not-allowed" onclick="startFirmwareUpdate()" disabled>
+                                        🚀 开始固件更新
+                                    </button>
+                                    
+                                    <div id="upload-progress" class="hidden">
+                                        <div class="w-full bg-gray-200 rounded-full h-3">
+                                            <div id="progress-bar" class="bg-blue-600 h-3 rounded-full transition-all duration-300" style="width: 0%"></div>
+                                        </div>
+                                        <div class="text-sm text-gray-600 text-center mt-2">
+                                            <span id="progress-text">准备中...</span>
+                                        </div>
+                                    </div>
+                                </div>
+                                
+                                <div class="border-t pt-4">
+                                    <h4 class="font-medium text-gray-800 mb-2">更新说明</h4>
+                                    <ul class="text-sm text-gray-600 space-y-1">
+                                        <li>• 确保设备连接稳定的电源</li>
+                                        <li>• 选择正确的固件文件(.bin格式)</li>
+                                        <li>• 更新过程中请勿断电</li>
+                                        <li>• 更新完成后设备会自动重启</li>
+                                        <li>• 如遇问题可重启设备恢复</li>
+                                    </ul>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
                 </div>
             </div>
         </main>
@@ -839,7 +899,7 @@ const char INDEX_HTML[] PROGMEM = R"rawliteral(
                     pin: parseInt(pin), 
                     hour, 
                     minute, 
-                    duration: parseInt(duration), 
+                    duration: parseFloat(duration), 
                     repeatDaily,
                     isPWM: isPWM,
                     pwmValue: parseInt(pwmValue)
@@ -916,7 +976,7 @@ const char INDEX_HTML[] PROGMEM = R"rawliteral(
             try {
                 const body = { 
                     pin: parseInt(pin), 
-                    duration: parseInt(duration) || 0,
+                    duration: parseFloat(duration) || 0,
                     isPWM: isPWM,
                     pwmValue: parseInt(pwmValue)
                 };
@@ -1030,6 +1090,163 @@ const char INDEX_HTML[] PROGMEM = R"rawliteral(
             document.getElementById('timer-pwm-percentage').textContent = percentage + '%';
         }
 
+        // 固件更新相关函数
+        document.addEventListener('DOMContentLoaded', function() {
+            const fileInput = document.getElementById('firmware-file');
+            const uploadBtn = document.getElementById('upload-btn');
+            
+            if (fileInput && uploadBtn) {
+                fileInput.addEventListener('change', function() {
+                    const file = this.files[0];
+                    if (file) {
+                        if (file.size > 2 * 1024 * 1024) { // 2MB限制
+                            showMessage('firmware-message', '文件大小不能超过 2MB', 'error');
+                            this.value = '';
+                            uploadBtn.disabled = true;
+                            return;
+                        }
+                        if (!file.name.toLowerCase().endsWith('.bin')) {
+                            showMessage('firmware-message', '请选择 .bin 格式的固件文件', 'error');
+                            this.value = '';
+                            uploadBtn.disabled = true;
+                            return;
+                        }
+                        uploadBtn.disabled = false;
+                        showMessage('firmware-message', `已选择文件: ${file.name} (${(file.size / 1024).toFixed(1)} KB)`, 'info');
+                    } else {
+                        uploadBtn.disabled = true;
+                    }
+                });
+            }
+            
+            // 加载当前固件信息
+            loadFirmwareInfo();
+        });
+
+        async function loadFirmwareInfo() {
+            try {
+                const response = await fetch('/api/system');
+                if (response.ok) {
+                    const data = await response.json();
+                    document.getElementById('current-version').textContent = `v1.0.0`;
+                    document.getElementById('build-time').textContent = new Date().toLocaleDateString();
+                    document.getElementById('firmware-chip-id').textContent = data.chipId || '未知';
+                }
+            } catch (error) {
+                console.error('加载固件信息失败:', error);
+            }
+        }
+
+        async function startFirmwareUpdate() {
+            const fileInput = document.getElementById('firmware-file');
+            const file = fileInput.files[0];
+            
+            if (!file) {
+                showMessage('firmware-message', '请先选择固件文件', 'error');
+                return;
+            }
+            
+            if (!confirm('确定要更新固件吗？更新过程中请勿断电，设备将自动重启。')) {
+                return;
+            }
+            
+            const uploadBtn = document.getElementById('upload-btn');
+            const progressDiv = document.getElementById('upload-progress');
+            const progressBar = document.getElementById('progress-bar');
+            const progressText = document.getElementById('progress-text');
+            
+            // 禁用上传按钮并显示进度条
+            uploadBtn.disabled = true;
+            progressDiv.classList.remove('hidden');
+            progressBar.style.width = '0%';
+            progressText.textContent = '正在上传固件...';
+            
+            const formData = new FormData();
+            formData.append('firmware', file);
+            
+            console.log('开始上传固件文件:', file.name, file.size, 'bytes');
+            
+            try {
+                const xhr = new XMLHttpRequest();
+                
+                // 监听上传进度
+                xhr.upload.onprogress = function(e) {
+                    if (e.lengthComputable) {
+                        const percentComplete = Math.round((e.loaded / e.total) * 100);
+                        progressBar.style.width = percentComplete + '%';
+                        progressText.textContent = `上传中... ${percentComplete}%`;
+                    }
+                };
+                
+                // 监听状态变化
+                xhr.onreadystatechange = function() {
+                    if (xhr.readyState === XMLHttpRequest.DONE) {
+                        if (xhr.status === 200) {
+                            progressBar.style.width = '100%';
+                            progressText.textContent = '上传完成，正在刷写固件...';
+                            showMessage('firmware-message', '固件上传成功，正在更新...请等待设备重启', 'success');
+                            
+                            // 模拟刷写进度
+                            setTimeout(() => {
+                                progressText.textContent = '固件更新中，请稍候...';
+                            }, 1000);
+                            
+                            setTimeout(() => {
+                                progressText.textContent = '更新完成，设备即将重启...';
+                                showMessage('firmware-message', '固件更新完成！设备将在几秒钟后重启', 'success');
+                            }, 3000);
+                            
+                            setTimeout(() => {
+                                window.location.reload();
+                            }, 8000);
+                        } else {
+                            console.error('上传失败，状态码:', xhr.status);
+                            let errorMessage = '未知错误';
+                            try {
+                                const response = JSON.parse(xhr.responseText);
+                                errorMessage = response.message || errorMessage;
+                            } catch (e) {
+                                errorMessage = `服务器错误 (${xhr.status})`;
+                            }
+                            showMessage('firmware-message', `更新失败: ${errorMessage}`, 'error');
+                            resetUploadUI();
+                        }
+                    }
+                };
+                
+                xhr.onerror = function() {
+                    console.error('网络错误或请求失败');
+                    showMessage('firmware-message', '上传失败，请检查网络连接', 'error');
+                    resetUploadUI();
+                };
+                
+                xhr.onabort = function() {
+                    console.error('上传被中止');
+                    showMessage('firmware-message', '上传被中止', 'error');
+                    resetUploadUI();
+                };
+                
+                xhr.open('POST', '/api/firmware/update', true);
+                console.log('发送固件上传请求到:', '/api/firmware/update');
+                xhr.send(formData);
+                
+            } catch (error) {
+                console.error('固件更新失败:', error);
+                showMessage('firmware-message', '更新失败: ' + error.message, 'error');
+                resetUploadUI();
+            }
+        }
+
+        function resetUploadUI() {
+            const uploadBtn = document.getElementById('upload-btn');
+            const progressDiv = document.getElementById('upload-progress');
+            const fileInput = document.getElementById('firmware-file');
+            
+            uploadBtn.disabled = false;
+            progressDiv.classList.add('hidden');
+            fileInput.value = '';
+        }
+
         function showMessage(elementId, message, type) {
             const el = document.getElementById(elementId);
             el.textContent = message;

src/web_server.cpp

@@ -1,4 +1,8 @@
 #include "web_server.h"
+#include <ESP8266HTTPUpdateServer.h>
+#include <Updater.h>
+
+ESP8266HTTPUpdateServer httpUpdater;
 
 WebServer::WebServer(WiFiManager* wm, TimerManager* tm, TimeManager* timeM) : server(WEB_SERVER_PORT) {
     wifiManager = wm;
@@ -7,6 +11,9 @@ WebServer::WebServer(WiFiManager* wm, TimerManager* tm, TimeManager* timeM) : se
 }
 
 void WebServer::begin() {
+    // 设置最大上传文件大小为 2MB
+    server.setContentLength(2 * 1024 * 1024);
+    
     setupRoutes();
     server.begin();
     Serial.println("Web 服务器启动，端口: " + String(WEB_SERVER_PORT));
@@ -33,6 +40,36 @@ void WebServer::setupRoutes() {
     server.on("/api/wifi/reset", HTTP_POST, [this]() { handleWiFiReset(); });
     server.on("/api/restart-ap", HTTP_POST, [this]() { handleRestartAP(); });
     
+    // 固件更新测试端点
+    server.on("/api/firmware/info", HTTP_GET, [this]() {
+        enableCORS();
+        JsonDocument doc;
+        doc["version"] = "1.0.0";
+        doc["buildTime"] = __DATE__ " " __TIME__;
+        doc["chipId"] = String(ESP.getChipId(), HEX);
+        doc["flashSize"] = ESP.getFlashChipSize();
+        doc["freeSpace"] = ESP.getFreeSketchSpace();
+        sendJSON(doc);
+    });
+    
+    server.on("/api/firmware/update", HTTP_POST, 
+        [this]() { 
+            // 处理上传完成后的响应
+            enableCORS();
+            if (Update.hasError()) {
+                sendJSON(500, "固件更新失败", false);
+            } else {
+                sendJSON(200, "固件更新成功，设备即将重启");
+                delay(1000);
+                ESP.restart();
+            }
+        },
+        [this]() { 
+            // 处理文件上传过程
+            handleFirmwareUpdate(); 
+        }
+    );
+    
     // 404 处理 - 这里会处理动态路由
     server.onNotFound([this]() {
         String uri = server.uri();
@@ -68,7 +105,7 @@ void WebServer::handleRoot() {
 void WebServer::handleGetStatus() {
     enableCORS();
     
-    DynamicJsonDocument doc(1024);
+    JsonDocument doc;
     doc["wifiConnected"] = wifiManager->isConnected();
     doc["localIP"] = wifiManager->getLocalIP();
     doc["apIP"] = wifiManager->getAPIP();
@@ -95,7 +132,7 @@ void WebServer::handleGetStatus() {
 void WebServer::handleGetSystemInfo() {
     enableCORS();
     
-    DynamicJsonDocument doc(2048);
+    JsonDocument doc;
     
     // 基本系统信息
     doc["chipId"] = String(ESP.getChipId(), HEX);
@@ -121,48 +158,52 @@ void WebServer::handleGetSystemInfo() {
     doc["uptimeMinutes"] = (uptime / (60 * 1000UL)) % 60;
     doc["uptimeSeconds"] = (uptime / 1000UL) % 60;
     
-    // WiFi 详细信息
+        // WiFi 信息
-    JsonObject wifi = doc.createNestedObject("wifi");
+    JsonObject wifi = doc["wifi"].to<JsonObject>();
+    wifi["connected"] = wifiManager->isConnected();
+    wifi["localIP"] = wifiManager->getLocalIP();
+    wifi["macAddress"] = WiFi.macAddress();
+    wifi["apIP"] = wifiManager->getAPIP();
+    wifi["isAPMode"] = wifiManager->isInAPMode();
+    
+    // WiFi状态信息
     wifi["status"] = WiFi.status();
-    wifi["statusText"] = wifiManager->isConnected() ? "已连接" : (wifiManager->isInAPMode() ? "AP模式" : "断开连接");
-    wifi["mode"] = WiFi.getMode();
-    wifi["modeText"] = WiFi.getMode() == WIFI_STA ? "STA" : (WiFi.getMode() == WIFI_AP ? "AP" : "AP+STA");
-    
     if (wifiManager->isConnected()) {
-        wifi["ssid"] = WiFi.SSID();
+        wifi["statusText"] = "已连接";
-        wifi["bssid"] = WiFi.BSSIDstr();
+        wifi["modeText"] = "Station模式";
         wifi["rssi"] = WiFi.RSSI();
-        wifi["localIP"] = WiFi.localIP().toString();
+        wifi["ssid"] = WiFi.SSID();
-        wifi["subnetMask"] = WiFi.subnetMask().toString();
+    } else if (wifiManager->isInAPMode()) {
-        wifi["gatewayIP"] = WiFi.gatewayIP().toString();
+        wifi["statusText"] = "AP模式";
-        wifi["dnsIP"] = WiFi.dnsIP().toString();
+        wifi["modeText"] = "热点模式";
-        wifi["macAddress"] = WiFi.macAddress();
+        wifi["rssi"] = 0;
-        wifi["channel"] = WiFi.channel();
+        wifi["ssid"] = "未连接";
-        wifi["autoConnect"] = WiFi.getAutoConnect();
+        wifi["apSSID"] = DEFAULT_AP_SSID;
-    }
-    
-    if (wifiManager->isInAPMode()) {
-        wifi["apSSID"] = WiFi.softAPSSID();
-        wifi["apIP"] = WiFi.softAPIP().toString();
-        wifi["apMacAddress"] = WiFi.softAPmacAddress();
         wifi["apStationCount"] = WiFi.softAPgetStationNum();
+    } else {
+        wifi["statusText"] = "未连接";
+        wifi["modeText"] = "未知";
+        wifi["rssi"] = 0;
+        wifi["ssid"] = "未连接";
     }
     
     // 时间信息
-    JsonObject timeInfo = doc.createNestedObject("time");
+    JsonObject timeInfo = doc["time"].to<JsonObject>();
-    timeInfo["hasValidTime"] = timeManager->isTimeValid();
-    timeInfo["timeSource"] = timeManager->isTimeValid() ? "NTP" : "系统运行时间";
     timeInfo["currentTime"] = timeManager->getCurrentTimeString();
     timeInfo["currentDate"] = timeManager->getCurrentDateString();
-    timeInfo["isWiFiTimeAvailable"] = timeManager->isWiFiTimeAvailable();
+    timeInfo["hasValidTime"] = timeManager->isTimeValid();
+    timeInfo["isValid"] = timeManager->isTimeValid();
+    timeInfo["timeSource"] = timeManager->isTimeValid() ? "NTP网络时间" : "系统运行时间";
+    timeInfo["ntpEnabled"] = wifiManager->isConnected();
+    timeInfo["uptime"] = millis() / 1000; // 运行时间（秒）
     
     // 引脚状态
-    JsonArray pins = doc.createNestedArray("pins");
+    JsonArray pins = doc["pins"].to<JsonArray>();
     for (int i = 0; i < AVAILABLE_PINS_COUNT; i++) {
-        JsonObject pin = pins.createNestedObject();
+        JsonObject pin = pins.add<JsonObject>();
-        pin["pin"] = AVAILABLE_PINS[i];
+        pin["pin"] = AVAILABLE_PINS[i];      // 前端期望的字段名
+        pin["number"] = AVAILABLE_PINS[i];   // 保持兼容
         pin["state"] = digitalRead(AVAILABLE_PINS[i]);
-        
         // 检查是否被定时器占用
         bool inUse = false;
         int timerIndex = -1;
@@ -179,7 +220,7 @@ void WebServer::handleGetSystemInfo() {
     }
     
     // 定时器统计
-    JsonObject timerStats = doc.createNestedObject("timerStats");
+    JsonObject timerStats = doc["timerStats"].to<JsonObject>();
     timerStats["total"] = timerManager->getTimerCount();
     
     int enabled = 0, active = 0, repeatDaily = 0, oneTime = 0;
@@ -198,12 +239,12 @@ void WebServer::handleGetSystemInfo() {
     timerStats["maxTimers"] = MAX_TIMERS;
     
     // EEPROM 使用情况
-    JsonObject eeprom = doc.createNestedObject("eeprom");
+    JsonObject eeprom = doc["eeprom"].to<JsonObject>();
     eeprom["size"] = EEPROM_SIZE;
     eeprom["wifiConfigStart"] = WIFI_SSID_ADDR;
     eeprom["wifiConfigSize"] = TIMER_CONFIG_ADDR - WIFI_SSID_ADDR;
     eeprom["timerConfigStart"] = TIMER_CONFIG_ADDR;
-    eeprom["timerConfigUsed"] = 1 + (timerManager->getTimerCount() * 7); // 1 byte count + 7 bytes per timer
+    eeprom["timerConfigUsed"] = 1 + (timerManager->getTimerCount() * 25); // 1 byte count + 25 bytes per timer (12 config + 13 runtime)
     
     sendJSON(doc);
 }
@@ -221,13 +262,13 @@ void WebServer::handleAddTimer() {
         return;
     }
     
-    DynamicJsonDocument doc(1024);
+    JsonDocument doc;
     deserializeJson(doc, server.arg("plain"));
     
     int pin = doc["pin"];
     int hour = doc["hour"];
     int minute = doc["minute"];
-    int duration = doc["duration"];
+    float duration = doc["duration"];
     bool repeatDaily = doc["repeatDaily"].as<bool>();
     bool isPWM = doc["isPWM"].as<bool>();
     int pwmValue = doc["pwmValue"].is<int>() ? doc["pwmValue"].as<int>() : 512; // 默认值50%
@@ -256,13 +297,13 @@ void WebServer::handleUpdateTimer() {
         return;
     }
     
-    DynamicJsonDocument doc(1024);
+    JsonDocument doc;
     deserializeJson(doc, server.arg("plain"));
     
     int pin = doc["pin"];
     int hour = doc["hour"];
     int minute = doc["minute"];
-    int duration = doc["duration"];
+    float duration = doc["duration"];
     bool enabled = doc["enabled"];
     bool repeatDaily = doc["repeatDaily"].as<bool>();
     bool isPWM = doc["isPWM"].as<bool>();
@@ -314,11 +355,11 @@ void WebServer::handleManualControl() {
         return;
     }
     
-    DynamicJsonDocument doc(512);
+    JsonDocument doc;
     deserializeJson(doc, server.arg("plain"));
     
     int pin = doc["pin"];
-    int duration = doc["duration"];
+    float duration = doc["duration"];
     bool isPWM = doc["isPWM"].as<bool>();
     int pwmValue = doc["pwmValue"].is<int>() ? doc["pwmValue"].as<int>() : 512; // 默认值50%
     
@@ -334,7 +375,7 @@ void WebServer::handleWiFiConfig() {
         return;
     }
     
-    DynamicJsonDocument doc(512);
+    JsonDocument doc;
     deserializeJson(doc, server.arg("plain"));
     
     String ssid = doc["ssid"];
@@ -382,7 +423,7 @@ void WebServer::handleRestartAP() {
 }
 
 void WebServer::sendJSON(int code, const String& message, bool success) {
-    DynamicJsonDocument doc(512);
+    JsonDocument doc;
     doc["success"] = success;
     doc["message"] = message;
     
@@ -392,7 +433,7 @@ void WebServer::sendJSON(int code, const String& message, bool success) {
     server.send(code, "application/json", response);
 }
 
-void WebServer::sendJSON(DynamicJsonDocument& doc) {
+void WebServer::sendJSON(JsonDocument& doc) {
     String response;
     serializeJson(doc, response);
     server.send(200, "application/json", response);
@@ -411,7 +452,7 @@ void WebServer::enableCORS() {
 void WebServer::handleGetPWMConfig() {
     enableCORS();
     
-    DynamicJsonDocument doc(512);
+    JsonDocument doc;
     doc["frequency"] = PWM_FREQUENCY;
     doc["resolution"] = PWM_RESOLUTION;
     doc["maxValue"] = PWM_MAX_VALUE;
@@ -420,3 +461,47 @@ void WebServer::handleGetPWMConfig() {
     
     sendJSON(doc);
 }
+
+void WebServer::handleFirmwareUpdate() {
+    HTTPUpload& upload = server.upload();
+    
+    if (upload.status == UPLOAD_FILE_START) {
+        Serial.printf("固件更新开始: %s\n", upload.filename.c_str());
+        
+        // 检查文件扩展名
+        if (!upload.filename.endsWith(".bin")) {
+            Serial.println("错误：不支持的文件格式");
+            return;
+        }
+        
+        // 开始OTA更新
+        uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
+        if (!Update.begin(maxSketchSpace)) {
+            Serial.println("错误：无法开始固件更新");
+            Update.printError(Serial);
+            return;
+        }
+        Serial.println("固件更新已开始...");
+    }
+    else if (upload.status == UPLOAD_FILE_WRITE) {
+        // 写入固件数据
+        Serial.printf("写入 %u 字节...\n", upload.currentSize);
+        if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
+            Serial.println("错误：固件写入失败");
+            Update.printError(Serial);
+        }
+    }
+    else if (upload.status == UPLOAD_FILE_END) {
+        // 完成固件更新
+        if (Update.end(true)) {
+            Serial.printf("固件更新成功: %u 字节\n", upload.totalSize);
+        } else {
+            Serial.println("错误：固件更新完成失败");
+            Update.printError(Serial);
+        }
+    }
+    else if (upload.status == UPLOAD_FILE_ABORTED) {
+        Update.end();
+        Serial.println("固件更新被中止");
+    }
+}

src/web_server.h

@@ -41,10 +41,11 @@ private:
     void handleWiFiConfig();
     void handleWiFiReset();
     void handleRestartAP();
+    void handleFirmwareUpdate();
     
     // 工具函数
     void sendJSON(int code, const String& message, bool success = true);
-    void sendJSON(DynamicJsonDocument& doc);
+    void sendJSON(JsonDocument& doc);
     void enableCORS();
 };