added IF482 time telegram generator (experimental)

include/if482.h

@@ -2,5 +2,9 @@
 #define _IF482_H
 
 #include "globals.h"
+#include "irqhandler.h"
+
+void if482_init(void);
+void sendIF482(time_t t);
 
 #endif

include/irqhandler.h

@@ -5,6 +5,7 @@
 #define BUTTON_IRQ 0x02
 #define SENDCOUNTER_IRQ 0x04
 #define CYCLIC_IRQ 0x08
+#define IF482_IRQ 0x10
 
 #include "globals.h"
 #include "cyclic.h"
@@ -25,4 +26,10 @@ void IRAM_ATTR DisplayIRQ();
 void IRAM_ATTR ButtonIRQ();
 #endif
 
+#ifdef HAS_IF482
+#include "if482.h"
+void IRAM_ATTR IF482IRQ();
+#endif
+
+
 #endif

include/rtctime.h

@@ -18,6 +18,8 @@ typedef enum {
   synced_GPS = 4   // best possible quality, clock is driven by GPS
 } clock_state_t;
 
+extern RtcDS3231<TwoWire> Rtc; // make RTC instance globally available
+
 int rtc_init(void);
 void sync_rtctime(void);
 int set_rtctime(uint32_t UTCTime);