keyprocess.lst

AD转换的另外一个例子,对初学者很有帮助的一个例子

C51 COMPILER V8.05a   KEYPROCESS                                                           08/08/2007 09:31:24 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE KEYPROCESS
OBJECT MODULE PLACED IN KeyProcess.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE source\KeyProcess.c BROWSE INCDIR(.\include) DEBUG OBJECTEXTEND PRINT(.\Key
                    -Process.lst) OBJECT(KeyProcess.obj)

line level    source

   1          //*************************************************************************************************
   2          //*                                                                                                                                                                                               *
   3          //*                      ******************************键码处理程序**************************                             *
   4          //*                                                                                                                                                                                               *
   5          //*************************************************************************************************
   6          #include "SMC1602.h"
   7          
   8          extern unsigned long ul_TimeMax;
   9          
  10          unsigned long ul_Frequency=250;
  11          
  12          
  13          void vCustom(ucKeyCode)
  14          {
  15   1              vWriteCMD(0xC7);
  16   1      
  17   1              switch(ucKeyCode)
  18   1                      {
  19   2                      case 11:vShowOneChar('7');break;                                                          //'7'
  20   2                      case 12:vShowOneChar('8');break;                                                          //'8'
  21   2                      case 13:vShowOneChar('9');break;                                                          //'9'
  22   2                      case 21:vShowOneChar('4');break;                                                          //'4'
  23   2                      case 22:vShowOneChar('5');break;                                                          //'5'
  24   2                      case 23:vShowOneChar('6');break;                                                          //'6'
  25   2                      case 31:vShowOneChar('1');break;                                                          //'1'
  26   2                      case 32:vShowOneChar('2');break;                                                          //'2'
  27   2                      case 33:vShowOneChar('3');break;                                                          //'3'
  28   2                      case 42:vShowOneChar('0');break;                                                          //'0'
  29   2      
  30   2                      default:break;
  31   2                      }
  32   1      }
  33          
  34          void vShowFrequency(unsigned long ulFrequency)
  35          {
  36   1              unsigned char ucTho,ucHun,ucTen,ucOne;
  37   1              
  38   1              ucTho=ulFrequency/1000;
  39   1              ucHun=(ulFrequency-1000*(long)ucTho)/100;
  40   1              ucTen=(ulFrequency-1000*(long)ucTho-100*(long)ucHun)/10;
  41   1              ucOne=(ulFrequency-1000*(long)ucTho-100*(long)ucHun-10*(long)ucTen);
  42   1              vWriteCMD(0xC4);
  43   1              vShowOneChar(ucTho+48);
  44   1              vShowOneChar(ucHun+48);
  45   1              vShowOneChar(ucTen+48);
  46   1              vShowOneChar(ucOne+48);
  47   1      }
  48          
  49          void vKeyProcess(unsigned char ucKeyCode)
  50          {
  51   1              switch(ucKeyCode)
  52   1                      {
  53   2                      case 14:
  54   2                                      if(ul_TimeMax>9)
C51 COMPILER V8.05a   KEYPROCESS                                                           08/08/2007 09:31:24 PAGE 2   

  55   2                                              ul_TimeMax-=10;
  56   2                                      break;                                                    //'/'
  57   2      
  58   2                      case 24:
  59   2                                      if(ul_TimeMax<4991)
  60   2                                              ul_TimeMax+=10;
  61   2                                      break;                                                    //'*'
  62   2      
  63   2                      case 34:                
  64   2                                      if(ul_TimeMax>10)
  65   2                                              ul_TimeMax--;
  66   2                                      break;                                                    //'-'
  67   2                      case 44:
  68   2                                      if(ul_TimeMax<5000)
  69   2                                              ul_TimeMax++;
  70   2                                      break;                                                    //'+'                                                   
  71   2                      case 43:
  72   2      
  73   2                                      break;                                                    //'='
  74   2      
  75   2                      default:vCustom(ucKeyCode);break;
  76   2                      }
  77   1              vShowFrequency(ul_TimeMax);
  78   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    565    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4      11
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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