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lib/hardware/hardware_rtc.hpp

@@ -0,0 +1,53 @@
+#pragma once
+
+#include <Wire.h>
+#include <time.h>
+#include <sys/time.h>
+#include <logger.hpp>
+
+#define DS1307_ADDRESS 0x68
+#define EEPROM_ADDRESS 0x50
+
+class HardwareRTC {
+public:
+    HardwareRTC(TwoWire& wire = Wire);
+    ~HardwareRTC();
+
+    void begin();
+
+    // Set RTC time from a 64-bit Unix timestamp
+    bool setTime(time_t unixTimestamp);
+
+    // Get current time as a 64-bit Unix timestamp
+    time_t getTime();
+
+    static time_t getSystemTime() {
+        struct timeval tv;
+            if (gettimeofday(&tv, nullptr) != 0) {
+            LOG_ERROR("Failed to get system time for log entry");
+            return 0; // Fallback-Wert
+        } else {
+            return tv.tv_sec; // Unix-Timestamp in Sekunden
+        }
+        gettimeofday(&tv, NULL);
+        return tv.tv_sec;
+    }
+    // Helper method to convert time_t to date string
+    static String toDateString(time_t timestamp);
+
+
+    void setSystemTime(int timezoneOffsetHours = 0);
+    bool isRunning();
+    void setTimezone(const char* timezone);
+    void update(); // Placeholder for future use
+
+private:
+    bool initialized;
+    TwoWire& wire;
+
+    uint8_t bcdToDec(uint8_t bcd);
+    uint8_t decToBcd(uint8_t dec);
+
+    void readRegisters(uint8_t* buffer, uint8_t length);
+    void writeRegisters(uint8_t* buffer, uint8_t length);
+};