dis.h

时钟PCF8563的51程序,调试过,可以用.

//静态显示
//----------------------------------------------------------
#ifndef  _display_
#define  _display_
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
//显示与单片机接口
sbit DIS_STB=P3^5;
sbit DIS_CLK=P3^7;
sbit DIS_SDA=P3^6;
//关闭显示
#define shut_dis() DIS_STB=1; 
#define shut_bit() 0xff;
//0~9			
unsigned char code led[18]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,
0x88,0x83,0xc6,0xa1,0x86,0x8e};//abcdef
/*子程序*/
void delay(unsigned int k);              //延时子程序
void send(unsigned char a);             //串入并出子程序
void display(uchar display_buffer[4]); //数码管显示子程序

//延时程序
void delay(unsigned int k)
{
 unsigned int i,j;
 for(i=0;i<k;i++)
  for(j=0;j<100;j++);
}

//串入并出发送数据子程序

void send(unsigned char a)
{
 unsigned char i;
 for(i=0;i<8;i++)
  {
   if(_crol_(a,i)&0x80)
       DIS_SDA=1;
	else
	   DIS_SDA=0;
	   DIS_CLK=0;
	   DIS_CLK=1;
  }
}

//数码管显示子程序
void display(uchar display_buffer[4])
{  uchar i,k;
   DIS_STB=0;
   for(i=0;i<4;i++)
   {
   	k=led[display_buffer[i]];
	send(k);
	delay(0x01);
   }
   DIS_STB=1;
}
#endif