//ICC-AVR application builder : 19.01.2006 16:06:09
// Target : M8
// Crystal: 1.0000Mhz

#include <iom8v.h>
#include <macros.h>
#include <stdlib.h>

unsigned int einer=0;
unsigned int value=0, value2=0,x=0, value3=0;			 //16Bit groß


#pragma interrupt_handler timer0_ovf_isr:10
void timer0_ovf_isr(void)
{
 ACSR  = 0x80;
 ADCSR = 0xEF;
 TCNT0 = 0x83; //reload counter value
}

#pragma interrupt_handler adc_isr:15
void adc_isr(void)
{
 //conversion complete, read value (int) using...
 value=ADCL;            //Read 8 low bits first (important)
 value|=((int)ADCH << 8); //read 2 high bits and shift into top byte

 //value=200;
 value2=((50*value)/1023);
 value3=((int)value2);
 einer=value3%10;
// ausgabe(einer);
}

//##################################################################
void ausgabe (int x)
{
switch (x)
  {
  case 0 : PORTD=0x00;
          break;
  case 1 : PORTD=0x01;
          break;
  case 2 : PORTD=0x10;
          break;
  case 3 : PORTD=0x11;
          break;
  case 4 : PORTD=0x08;
          break;
  case 5 : PORTD=0x09;
          break;
  case 6 : PORTD=0x18;
          break;
  case 7 :  PORTD=0x19;
          break;
  case 8 : PORTD=0x02;
          break;
  case 9 : PORTD=0x03;
          break;
  default:;
  }
}

//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void main()
	{
	MCUCR = 0x00;
 	GICR  = 0x00;
    PORTC = 0x00;     
    DDRC  = 0x2E;
    PORTD = 0x00;
    DDRD  = 0xFF;
	TCCR0 = 0x00; //stop
    TCNT0 = 0x83; //set count
    ADCSR = 0x00; //disable adc
    ADMUX = 0x00; //select adc input 0
    TCCR0 = 0x03; //start timer
	TIMSK = 0x01;   //timer0 overflow interrupt enable
	SEI();
	while (1)
	   {
	   ausgabe(einer);
		}
}