int.cpp

/****************************************************************************
**	INCLUDE
****************************************************************************/

#include "global.h"

/****************************************************************************
** INTERRUPT SERVICE ROUTINE
*****************************************************************************
**	In the AT4809 ISR flags have to be cleared manually
****************************************************************************/

/****************************************************************************
**	RTC Periodic Interrupt
*****************************************************************************
**	Periodic interrupt generated by the RTC from it's independent clock source
****************************************************************************/

ISR( RTC_PIT_vect )
{	
	//Set the System Tick
	g_isr_flags.system_tick = true;
	//Manually clear the interrupt flag
	RTC.PITINTFLAGS = RTC_PI_bm;
}