新.lst

这里是电子密码锁的全部设计过程

C51 COMPILER V8.01   新                                                                    03/06/2008 20:09:31 PAGE 1   


C51 COMPILER V8.01, COMPILATION OF MODULE 新
OBJECT MODULE PLACED IN 新.OBJ
COMPILER INVOKED BY: G:\keil\C51\BIN\C51.EXE 新.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /* 4*4键盘+lcd1602显示*/
   2          /* 作者QQ:497259320 */
   3          /* 2007-12-8 */
   4          #include"at89x51.h"
   5          #include"lcd.h"           //包含lch文件
   6           uchar sw(uchar a);       
   7           uchar s,m,n,p=0;
   8           void jp(void);
   9           uchar code sz[]="The number is:";
  10           /*****取键盘数******/
  11           uchar sw(uchar a)
  12           {
  13   1         uchar k;
  14   1         switch(a)
  15   1         {
  16   2          case 1: k=0;break;
  17   2              case 2: k=1;break;
  18   2              case 4: k=2;break;
  19   2              case 8: k=3;break;
  20   2              default: break;
  21   2         }
  22   1              return k;
  23   1       }
  24          /****键盘程序****/
  25          void jp(void)
  26          {
  27   1        uchar b;
  28   1        P3=0x0f;
  29   1        delay(1);
  30   1        if(P3!=0x0f)
  31   1        {
  32   2          P3=0x0f;
  33   2              delay(5);
  34   2              b=P3;
  35   2              if(b!=0x0f)
  36   2              {
  37   3                s=b^0x0f;
  38   3                m=sw(s);
  39   3                P3=0xf0;
  40   3                delay(1);
  41   3                if(P3!=0xf0)
  42   3                {
  43   4                b=P3;
  44   4                s=b^0xf0;
  45   4                s=(s/16)&0x0f;
  46   4                n=sw(s);
  47   4                p=4*m+n;
  48   4                };
  49   3              }
  50   2        }
  51   1      
  52   1      }
  53          
  54          void main()
  55          {
C51 COMPILER V8.01   新                                                                    03/06/2008 20:09:31 PAGE 2   

  56   1       uchar i,j;
  57   1       
  58   1       
  59   1        
  60   1         init();              //初始化
  61   1         clear();     //清屏
  62   1         xy(1,0);
  63   1        for(i=0;i<=13;i++)    //显示 The number is:
  64   1        {
  65   2          write_data(sz[i]);
  66   2              delay(100);
  67   2         }
  68   1      /*****显示按键的值****/
  69   1        jp();
  70   1         do
  71   1         {
  72   2         xy(2,0);
  73   2         j=p;
  74   2         P1=p;
  75   2         write_data((p/10)+48);        /*和ASCII值对应就得加上48*/ 
  76   2         delay(10);
  77   2         write_data((p%10)+48);
  78   2         delay(10);
  79   2        for(;;)                       /*有键按下才可以跳出*/
  80   2        {
  81   3         jp();delay(1);
  82   3         if(p!=j)
  83   3         break;
  84   3        }
  85   2        }
  86   1         while(1);
  87   1       }
  88             
  89           
  90            
  91           
  92          
  93          
  94          
  95          
  96          
  97          
  98            
  99                  
 100          
 101          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    309    ----
   CONSTANT SIZE    =     15    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)