init

src/time_manager.cpp

@@ -0,0 +1,135 @@
+#include "time_manager.h"
+#include <ESP8266WiFi.h>
+
+TimeManager::TimeManager() : timeClient(ntpUDP, NTP_SERVER, TIME_ZONE * 3600) {
+    timeInitialized = false;
+    lastNTPUpdate = 0;
+}
+
+void TimeManager::begin() {
+    timeClient.begin();
+    timeClient.setUpdateInterval(NTP_UPDATE_INTERVAL);
+    
+    Serial.println("时间管理器初始化完成");
+    
+    // 如果 WiFi 已连接，立即尝试同步时间
+    if (WiFi.status() == WL_CONNECTED) {
+        forceSync();
+    }
+}
+
+void TimeManager::update() {
+    // 只有在 WiFi 连接时才更新 NTP 时间
+    if (WiFi.status() == WL_CONNECTED) {
+        timeClient.update();
+        
+        // 检查是否成功获取到时间
+        if (!timeInitialized && timeClient.getEpochTime() > 0) {
+            timeInitialized = true;
+            lastNTPUpdate = millis();
+            Serial.println("NTP 时间同步成功: " + getCurrentTimeString());
+        }
+        
+        // 定期强制同步
+        if (timeInitialized && millis() - lastNTPUpdate > NTP_UPDATE_INTERVAL) {
+            forceSync();
+        }
+    }
+}
+
+bool TimeManager::isTimeValid() {
+    // WiFi 连接且时间已初始化
+    return (WiFi.status() == WL_CONNECTED) && timeInitialized && (timeClient.getEpochTime() > 0);
+}
+
+int TimeManager::getCurrentHour() {
+    if (isTimeValid()) {
+        return timeClient.getHours();
+    }
+    
+    // 如果没有有效时间，返回基于运行时间的模拟时间（仅用于测试）
+    unsigned long seconds = millis() / 1000;
+    return (seconds / 3600) % 24;
+}
+
+int TimeManager::getCurrentMinute() {
+    if (isTimeValid()) {
+        return timeClient.getMinutes();
+    }
+    
+    // 如果没有有效时间，返回基于运行时间的模拟时间（仅用于测试）
+    unsigned long seconds = millis() / 1000;
+    return (seconds / 60) % 60;
+}
+
+int TimeManager::getCurrentDay() {
+    if (isTimeValid()) {
+        // 返回自 Unix epoch 以来的天数
+        return timeClient.getEpochTime() / 86400;
+    }
+    
+    // 如果没有有效时间，返回基于运行时间的模拟天数
+    return millis() / (24 * 60 * 60 * 1000UL);
+}
+
+String TimeManager::getCurrentTimeString() {
+    char timeStr[10];
+    
+    if (isTimeValid()) {
+        sprintf(timeStr, "%02d:%02d:%02d", 
+                timeClient.getHours(), 
+                timeClient.getMinutes(), 
+                timeClient.getSeconds());
+    } else {
+        sprintf(timeStr, "%02d:%02d:%02d*", 
+                getCurrentHour(), 
+                getCurrentMinute(),
+                (int)((millis() / 1000) % 60));
+    }
+    
+    return String(timeStr);
+}
+
+String TimeManager::getCurrentDateString() {
+    if (isTimeValid()) {
+        unsigned long epochTime = timeClient.getEpochTime();
+        
+        // 简单的日期计算
+        int days = epochTime / 86400;
+        int year = 1970 + (days / 365);
+        int month = ((days % 365) / 30) + 1;
+        int day = (days % 30) + 1;
+        
+        char dateStr[20];
+        sprintf(dateStr, "%04d-%02d-%02d", year, month, day);
+        return String(dateStr);
+    }
+    
+    return "未同步";
+}
+
+void TimeManager::forceSync() {
+    if (WiFi.status() == WL_CONNECTED) {
+        Serial.println("强制同步 NTP 时间...");
+        timeClient.forceUpdate();
+        
+        if (timeClient.getEpochTime() > 0) {
+            timeInitialized = true;
+            lastNTPUpdate = millis();
+            Serial.println("NTP 同步成功: " + getCurrentTimeString());
+        } else {
+            Serial.println("NTP 同步失败");
+        }
+    }
+}
+
+bool TimeManager::isWiFiTimeAvailable() {
+    return WiFi.status() == WL_CONNECTED;
+}
+
+unsigned long TimeManager::getEpochTime() {
+    if (isTimeValid()) {
+        return timeClient.getEpochTime();
+    }
+    return 0; // 无效时间返回0
+}