keyscan.lst

主要实现在C8051F020的平台上完成在12864液晶OCMG4C8上画正弦函数特性曲线。

C51 COMPILER V8.02   KEYSCAN                                                               04/12/2009 20:19:23 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE KEYSCAN
OBJECT MODULE PLACED IN KeyScan.OBJ
COMPILER INVOKED BY: E:\学习软件安装程序\Keil3\C51\BIN\C51.EXE KeyScan.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <c8051f020.h>
   2          #include <Init.h>
   3          void Kdelay(uint x)
   4          {
   5   1              uint a,b;
   6   1              for(a=0;a<x;a++)
   7   1                      for(b=0;b<280;b++);
   8   1      }
   9          uchar KeyScan()
  10          {
  11   1                      uchar i=0;
  12   1                      uchar temp;
  13   1                      P1=0xfe;
  14   1                      temp=P1;                                                                                                                
  15   1                      temp=temp&0xf0;
  16   1                      if(temp!=0xf0)
  17   1                      {
  18   2                               Kdelay(20);
  19   2                              if(temp!=0xf0)
  20   2                              {
  21   3                                      switch(temp)
  22   3                                      {
  23   4                                              case 0xe0: i=0;
  24   4                                                                 break;
  25   4                                              case 0xd0: i=1;
  26   4                                                                 break;
  27   4                                              case 0xb0: i=2;
  28   4                                                                 break;
  29   4                                              case 0x70: i=3;
  30   4                                                                 break;
  31   4                                      }
  32   3                              }
  33   2                      while(temp!=0xf0)
  34   2                              {
  35   3                                      temp=P1;
  36   3                                      temp=temp&0xf0;
  37   3                              }
  38   2                  }
  39   1                  P1=0xfd;
  40   1                      temp=P1;                                                                                                                
  41   1                      temp=temp&0xf0;
  42   1                      if(temp!=0xf0)
  43   1                      {
  44   2                               Kdelay(20);
  45   2                              if(temp!=0xf0)
  46   2                              {
  47   3                                      switch(temp)
  48   3                                      {
  49   4                                              case 0xe0: i=4;
  50   4                                                                 break;
  51   4                                              case 0xd0: i=5;
  52   4                                                                 break;
  53   4                                              case 0xb0: i=6;
  54   4                                                                 break;
  55   4                                              case 0x70: i=7;
C51 COMPILER V8.02   KEYSCAN                                                               04/12/2009 20:19:23 PAGE 2   

  56   4                                                                 break;
  57   4                                      }
  58   3                              }
  59   2                      while(temp!=0xf0)
  60   2                              {
  61   3                                      temp=P1;
  62   3                                      temp=temp&0xf0;
  63   3                              }
  64   2                 }
  65   1                  P1=0xfb;
  66   1                      temp=P1;                                                                                                                
  67   1                      temp=temp&0xf0;
  68   1                      if(temp!=0xf0)
  69   1                      {
  70   2                               Kdelay(20);
  71   2                              if(temp!=0xf0)
  72   2                              {
  73   3                                      switch(temp)
  74   3                                      {
  75   4                                              case 0xe0: i=8;
  76   4                                                                 break;
  77   4                                              case 0xd0: i=9;
  78   4                                                                 break;
  79   4                                              case 0xb0: i=10;
  80   4                                                                 break;
  81   4                                              case 0x70: i=11;
  82   4                                                                 break;
  83   4                                      }
  84   3                              }
  85   2                      while(temp!=0xf0)
  86   2                              {
  87   3                                      temp=P1;
  88   3                                      temp=temp&0xf0;
  89   3                              }
  90   2                 }
  91   1                 P1=0xf7;
  92   1                      temp=P1;                                                                                                                
  93   1                      temp=temp&0xf0;
  94   1                      if(temp!=0xf0)
  95   1                      {
  96   2                               Kdelay(20);
  97   2                              if(temp!=0xf0)
  98   2                              {
  99   3                                      switch(temp)
 100   3                                      {
 101   4                                              case 0xe0: i=12;
 102   4                                                                 break;
 103   4                                              case 0xd0: i=13;
 104   4                                                                 break;
 105   4                                              case 0xb0: i=14;
 106   4                                                                 break;
 107   4                                              case 0x70: i=15;
 108   4                                                                 break;
 109   4                                      }
 110   3                              }
 111   2                              while(temp!=0xf0)
 112   2                                                      {
 113   3                                                                      temp=P1;
 114   3                                                                      temp=temp&0xf0;
 115   3                                                      }
 116   2                 }
 117   1                 return(i);
C51 COMPILER V8.02   KEYSCAN                                                               04/12/2009 20:19:23 PAGE 3   

 118   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    338    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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