xianshi.c

时钟芯片将给显示时间

#include <iom16v.h>
#include <macros.h>
#define  uchar unsigned char
#define  uint  unsigned int
#pragma data:code 
const  table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,
		           0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void delay(uint ms)
{
        uint i,j;
	for(i=0;i<ms;i++)
	   {
	   for(j=0;j<1141;j++);
       }
}
void show(uchar i,uchar j)
{ DDRB=0XFF;
  DDRD=0X3C;
  PORTB=table[i];

  
  PORTD&=~BIT(j+2);
  delay(1);
}