#include "libsys.h"


void handler(void)
{
	volatile UINT32 *pGPIO0 = (UINT32*)SYS_GPIO_0_BASE;
	volatile UINT32 *pTim_stat = (UINT32*)SYS_ITIM_STAT;
	volatile UINT32 *pTim_cmp = (UINT32*)SYS_ITIM0_CMP;
	if (*pTim_stat & 1)
	{
		(*pTim_cmp)++;
		(*pGPIO0)++;

		*pTim_stat = 1;
	}

}

int main (void)
{
	volatile UINT32 *pTim_ctrl = (UINT32*)SYS_ITIM_CTRL;
	volatile UINT32 *pTim_stat = (UINT32*)SYS_ITIM_STAT;
	volatile UINT32 *pTim_cnt = (UINT32*)SYS_ITIM0_CNT;
	volatile UINT32 *pTim_cmp = (UINT32*)SYS_ITIM0_CMP;
	volatile UINT32 *pGPIO0 = (UINT32*)SYS_GPIO_0_BASE;

	*pGPIO0 = 1;

	interrupt_register(SYS_INT_TIMER, handler);
	interrupt_enable(SYS_INT_TIMER);

	*pTim_cnt = 0;
	*pTim_cmp = 1999;
	*pTim_stat = 1;
	*pTim_ctrl = 3;

	while(1);

	return 0;
}