myfunctionkey.lst

stc/at89c51 的4乘4行列式按键程序

C51 COMPILER V6.23a  MYFUNCTIONKEY                                                         03/17/2006 09:40:11 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE MYFUNCTIONKEY
OBJECT MODULE PLACED IN .\MyFunctionKey.obj
COMPILER INVOKED BY: E:\system\Keil\C51\BIN\C51.EXE ..\SCR\MyFunctionKey.c BROWSE DEBUG OBJECTEXTEND PRINT(.\MyFunctionK
                    -ey.lst) OBJECT(.\MyFunctionKey.obj) 

stmt level    source

   1             #include <at89x52.h>
   2             #include  "myiclude.h"
   3             unsigned char  a[]={0x3f,0x06,0x5b,0x4f,0x66 ,0x6d ,0x7d ,0x07 ,0x7f ,0x6f ,0x77 ,0x7c};
   4             void delay(unsigned char j) 
   5                 {
   6   1                unsigned char m,k;
   7   1                for(m=0;m<j;m++)
   8   1                for(k=0;k<5;k++);
   9   1               }
  10                  unsigned char GetKey()
  11                  { unsigned char x;
  12   1                if((PointW==PointR)&(OverFlag==0)) {LampEempty=1;LampFull=0;return 255;}
  13   1                if(PointR>=KeyBufSize) PointR=0; 
  14   1                x=KeyBuf[PointR];
  15   1            PointR++;
  16   1                return x;
  17   1               }
  18                  
  19                  unsigned char PutKey()
  20                  { 
  21   1               if((PointW-PointR)==KeyBufSize-1) {LampEempty=0;LampFull=1;return 255;}
  22   1           if(PointW>=KeyBufSize) { PointW=0; OverFlag=1;} 
  23   1               if((PointW==PointR)&(OverFlag==1)){LampEempty=0;LampFull=1;OverFlag=0;return 255;}
  24   1               KeyBuf[PointW]=JianZi;
  25   1               PointW++;
  26   1              }
  27                  unsigned char KeyDriver()
  28                  { unsigned char x,y,key;
  29   1                P2=0x0f;                              //低四位输入1，高四位输出0
  30   1                x=P2;
  31   1                x=x&0x0f;                     //P2输入后，清高四位，作为X值
  32   1                P2=0xf0;                              //高四位输入1，低四位输出0
  33   1                y=P2;
  34   1            y=y&0xf0; //P2输入后移位到低四位，并清高四位，作为Y值
  35   1            key=x|y;
  36   1                key=key&0xfe;
  37   1                return key;
  38   1               }
  39              void Key()
  40                  {
  41   1                unsigned char Keyok;
  42   1                Keyok=KeyDriver();
  43   1                if(Keyok==254){return;}
  44   1                 else
  45   1              {
  46   2               switch(Keyok)
  47   2                   {
  48   3                    case 236: JianZi=3; break;
  49   3                        case 234: JianZi=2; break;
  50   3                        case 230: JianZi=1; break;
  51   3      
  52   3                        case 220: JianZi=6; break;
  53   3                        case 218: JianZi=5; break;
  54   3                        case 214: JianZi=4; break;
C51 COMPILER V6.23a  MYFUNCTIONKEY                                                         03/17/2006 09:40:11 PAGE 2   

  55   3      
  56   3                        case 188: JianZi=9; break;
  57   3                        case 186: JianZi=8; break;
  58   3                        case 182: JianZi=7; break;
  59   3      
  60   3                        case 124: JianZi=0; break;
  61   3                        case 122: JianZi=11; break;
  62   3                        case 118: JianZi=10; break;
  63   3                       }
  64   2                        PutKey();
  65   2                    LcdDriver();
  66   2                  }
  67   1               }
  68             


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    363    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =     15    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     15    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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