keyscan.lst

万年历

C51 COMPILER V8.02   KEYSCAN                                                               05/04/2002 11:07:14 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE KEYSCAN
OBJECT MODULE PLACED IN keyscan.OBJ
COMPILER INVOKED BY: D:\keil\新建文件夹\C51\BIN\C51.EXE keyscan.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          #include<all.h>
   3          #define uchar unsigned char
   4          #define uint  unsigned int
   5          
   6          sbit key0=P1^0;
   7          sbit key1=P1^1;
   8          sbit key2=P1^2;
   9          sbit key3=P1^3;
  10          sbit lamp=P2^5;
  11          uchar con=0x00;
  12          
  13          
  14          void DelayM(uint a)             
  15          {
  16   1              uchar i;
  17   1              while( --a != 0)
  18   1          {           
  19   2                      for(i = 0; i < 125; i++); 
  20   2              }                                
  21   1      }
  22          
  23          
  24          void keyscan()
  25          {       
  26   1              uchar i;
  27   1              char timedata,max,min;
  28   1              EA=0;
  29   1                      if(key3==0)
  30   1              { 
  31   2                      DelayM(40);
  32   2                      if(key3==0)
  33   2                      lamp=!lamp;
  34   2              }        
  35   1              if(key0==0)
  36   1              { 
  37   2                      DelayM(40);
  38   2                      if(key0==0)
  39   2                      con++; 
  40   2                      if(con>=7)
  41   2                              con=0;
  42   2              }
  43   1              if(con!=0)
  44   1              {
  45   2                      if(key1==0)
  46   2                      {       
  47   3                              DelayM(40);                     
  48   3                              if(key1==0) 
  49   3                              {       
  50   4                                      switch(con)
  51   4                                      {
  52   5                                              case 1:  max=100;min=0;i=0x09;break;            //年
  53   5                                              case 2:  max=13; min=1;i=0x08;break;            //月
  54   5                                              case 3:  max=32; min=1;i=0x07;break;            //日
  55   5                                              case 4:  max=8;  min=1;i=0x06;break;            //星期
C51 COMPILER V8.02   KEYSCAN                                                               05/04/2002 11:07:14 PAGE 2   

  56   5                                              case 5:  max=24; min=0;i=0x04;break;            // 时
  57   5                                              case 6:  max=60; min=0;i=0x02;break;            // 分
  58   5                                          default : break;
  59   5                                      }
  60   4                                      timedata=ds_read(i);
  61   4                                      timedata++; 
  62   4                                      if(timedata>=max) timedata=min;
  63   4                                      ds_write(i,timedata);
  64   4                              } 
  65   3                              }
  66   2                      }
  67   1      
  68   1              if(key2==0)
  69   1                      {
  70   2                              DelayM(40);                     
  71   2                              if(key2==0)
  72   2                              {
  73   3                                      switch(con)
  74   3                                      {
  75   4                                              case 1:  min=255;max=99;i=0x09;break;   //年
  76   4                                              case 2:  min=0;  max=12;i=0x08;break;           //月
  77   4                                              case 3:  min=0;  max=31;i=0x07;break;           //日
  78   4                                              case 4:  min=0;  max=7; i=0x06;break;           //星期
  79   4                                              case 5:  min=255;max=23;i=0x04;break;   //时
  80   4                                              case 6:  min=255;max=59;i=0x02;break;   //分
  81   4                                              default : break;
  82   4                                      }
  83   3                                      timedata=ds_read(i);             //读取待修改的参数
  84   3                                      timedata--;
  85   3                                      if(timedata<=min)
  86   3                                              timedata=max;
  87   3                                 ds_write(i,timedata);                 //将修改好的参数送入12887
  88   3                              }
  89   2              }
  90   1      }
  91          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    321    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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