record.c

应用电子密码锁

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

#define uchar unsigned char
#define uint unsigned int

extern uchar kbscan(void);
extern void display(uchar *k,int i);
extern uchar keycode[4];

void record() 
{
 uchar i=0,j=0;
 uchar count[4]={0,0,0,0};
 uchar key = 0;
 while(key!=0x21)
  {
   key = kbscan();
   switch(key)
    {
	        case 0x18:count[i]=0xf9;
			          i++;
			          break;
			case 0x28:count[i]=0xA4;
			          i++;
					  break;
			case 0x48:count[i]=0xB0;
			          i++;
					  break;
			case 0x14:count[i]=0x99;
			          i++;
					  break;
			case 0x24:count[i]=0x92;
			          i++;
					  break;
			case 0x44:count[i]=0x82;
			          i++;
					  break;
			case 0x12:count[i]=0xF8;
			          i++;
					  break;
			case 0x22:count[i]=0x80;
			          i++;
					  break;
			case 0x42:count[i]=0x90;
			          i++;
					  break;
			case 0x11:count[i]=0xC0;
			          i++;
					  break;
			default:break;
		}
		//display(keycode,4);
		display(count,4);
	}
	if(i==4)
	{for(j=0;j<4;j++)
	  {keycode[j] = count[j];}
	 }
	 
  }