diaplay.c

应用电子密码锁

#include <reg51.h>
#include <intrins.h>

#define uchar unsigned char
#define uint unsigned int

void delay();

void display(uchar *k,int i)
{
  uchar discode[4] = {0xfe,0xfd,0xfb,0xf7};
  uchar n = 0,j=0;
  for(j=0;j<i;j++)
  {
    P0 = *k;
	P1 = discode[n];
	delay();
	n++;
	k++;
   }
}

void delay()
{
  int i;
  for(i=0;i<100;i++)
  { _nop_();}
}