#include <iom16v.h>
#include <macros.h>
#define  uchar unsigned char
#define  uint  unsigned int
#include "xianshi.c"
uint mega16_ad()
{
     uint addata;
	 DDRA&=~BIT(PA0);
	 PORTA&=~BIT(PA0);
	 ADMUX=0;
	 ADCSR=0X80;
	 ADCSR|=BIT(ADSC);
	 while(!(ADCSR&(BIT(ADIF))));
     addata=ADCL;
	 addata=addata+ADCH*256;
	 return addata;
}   

void main()
{
   uint ada,i,ad[4];
   while(1)
   {
      ada=mega16_ad();//999  0999
	  for(i=0;i<4;i++)
	  {
	    ad[3-i]=ada%10;
		ada=ada/10;
	  }
	  
	  for(i=0;i<4;i++)
	  {
	     show(ad[i],i);
		 delay(2);       DDRA|=BIT(3);
	DDRA|=BIT(4);
	DDRB=0XFF;
	  }
   }
}