luxos/Kernel/hal/clock/clock.c

#include <time.h>
#include "clock.h"

#define MILISECONDS_IN_DAY 86400000

volatile TimeSystem _internal_time;
uint32 _internal_frequency_hz;

extern void TaskingScheduler();

void TimeHandler(_RegsStack32* UNUSED(r))
{
	// Make sure it is initialised
	if (_internal_frequency_hz == 0) return;

	// Timer tick
	_internal_time.Time += 1000/_internal_frequency_hz;
	if (_internal_time.Time >= MILISECONDS_IN_DAY)
	{
		_internal_time.Date++;
		_internal_time.Time-=MILISECONDS_IN_DAY;
	}

	// Launch scheduler
	TaskingScheduler();
}