Примеры решения лабораторных работ / Лаба3Таймер

#include <iom8535v.h>
#include <macros.h>
void port_init(void)
{
DDRC=0xFF;
 PORTD = 0x0f;
 DDRD  = 0xFF;
}

//call this routine to initialize all peripherals
void init_devices(void)
{
 //stop errant interrupts until set up
 CLI(); //disable all interrupts
 port_init();

 MCUCR = 0x00;
 GICR  = 0x00;
 TIMSK = 0x00; //timer interrupt sources
 SEI(); //re-enable interrupts
 //all peripherals are now initialized
}
void Delay(int i)
{
unsigned int p;
for (p=0;p<i;p++)
{
  int tiks=1000;
  while (tiks>0)
    tiks--;
}   
}
void main(void)
{
 //int t[10]={0xF6,0xFE,0xE0,0xBE,0xB6,0x66,0xF2,0xDA,0x60,0xFC}; //massiv obratnogo otscheta
 int t[10]={0xFC,0x60,0xDA,0xF2,0x66,0xB6,0xBE,0xE0,0xFE,0xF6};
 int i=0;
 int j=9;
 int g=9;
 int h=9;
 int aqum=0;
  int aqum2=0;
   int aqum3=0;
 init_devices();
while (1)
 {
    if (i>8)
	{
	aqum=1;
	i=0;
	}
	else i++; 
  Delay(5); 
  //hg1
  if (aqum==1)
  {
  PORTC=t[j];
  PORTD=0x01;
    if (j>8) 
	{
	j=0;
	aqum2=1;
	}
	else j++;
	aqum=0; 
 }
 else
 {
  PORTC=t[j];
  PORTD=0x01;
  }  
  Delay(5);
  //hg2
  if (aqum2==1)
  {
  PORTC=t[g];
  PORTD=0x02;
    if (g>8)
	{
	aqum3=1;
	g=0;
	}
	else g++;
	aqum2=0;
 }
 else
 {
  PORTC=t[g];
  PORTD=0x02;
  aqum2=0;
  }
    Delay(5);
	//hg3
  if (aqum3==1)
  {
  PORTC=t[h];
  PORTD=0x04;
    if (h>8)
	{
	h=0;
	}
	else h++;
	aqum3=0; 
 }
 else
 {
  PORTC=t[h];
  PORTD=0x04;
  aqum3=0;
  }
 }
}