Initialisation

libraries/RTClib/RTClib.h

@@ -0,0 +1,52 @@
+// Code by JeeLabs http://news.jeelabs.org/code/
+// Released to the public domain! Enjoy!
+
+#ifndef _RTCLIB_H_
+#define _RTCLIB_H_
+
+// Simple general-purpose date/time class (no TZ / DST / leap second handling!)
+class DateTime {
+public:
+    DateTime (uint32_t t =0);
+    DateTime (uint16_t year, uint8_t month, uint8_t day,
+                uint8_t hour =0, uint8_t min =0, uint8_t sec =0);
+    DateTime (const char* date, const char* time);
+    uint16_t year() const       { return 2000 + yOff; }
+    uint8_t month() const       { return m; }
+    uint8_t day() const         { return d; }
+    uint8_t hour() const        { return hh; }
+    uint8_t minute() const      { return mm; }
+    uint8_t second() const      { return ss; }
+    uint8_t dayOfWeek() const;
+
+    // 32-bit times as seconds since 1/1/2000
+    long secondstime() const;   
+    // 32-bit times as seconds since 1/1/1970
+    uint32_t unixtime(void) const;
+
+protected:
+    uint8_t yOff, m, d, hh, mm, ss;
+};
+
+// RTC based on the DS1307 chip connected via I2C and the Wire library
+class RTC_DS1307 {
+public:
+    static uint8_t begin(void);
+    static void adjust(const DateTime& dt);
+    uint8_t isrunning(void);
+    static DateTime now();
+};
+
+// RTC using the internal millis() clock, has to be initialized before use
+// NOTE: this clock won't be correct once the millis() timer rolls over (>49d?)
+class RTC_Millis {
+public:
+    static void begin(const DateTime& dt) { adjust(dt); }
+    static void adjust(const DateTime& dt);
+    static DateTime now();
+
+protected:
+    static long offset;
+};
+
+#endif // _RTCLIB_H_