//靜態顯示
//----------------------------------------------------------
#ifndef  _display_
#define  _display_
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
//顯示與單片機接口
sbit DIS_STB=P3^5;
sbit DIS_CLK=P1^5;
sbit DIS_SDA=P1^4;
//關閉顯示
#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);              //延時子程序
void send(unsigned char a);             //串入并出子程序
void display(uchar display_buffer[4]); //數碼管顯示子程序

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

//串入并出發送數據子程序

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;
  }
}

//數碼管顯示子程序
void display(uchar display_buffer[4])
{  uchar i,k;
   DIS_STB=1;
   
   for(i=0;i<4;i++)
   {
   P2 = 0xff;
   	k=led[display_buffer[i]];
	send(k);
	delay(0x01);
	P2 = 0xfe;
	P2 = _crol_(P2,i);
   }
}
#endif