lesson 5_2.lst

有51单片机C语言基础后在较短时间内学会51单片机C。

C51 COMPILER V8.05a   LESSON_5_2                                                           02/03/2009 12:38:34 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE LESSON_5_2
OBJECT MODULE PLACED IN lesson 5_2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE lesson 5_2.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          #include<intrins.h>
   3          #define uint unsigned int
   4          #define uchar unsigned char
   5          uchar num,temp;
   6          sbit dula=P2^6;
   7          sbit wela=P2^7;
   8          sbit key1=P3^2;
   9          uchar code table[]={
  10          0x3f,0x06,0x5b,0x4f,
  11          0x66,0x6d,0x7d,0x07,
  12          0x7f,0x6f,0x77,0x7c,
  13          0x39,0x5e,0x79,0x71};
  14          void delay(uint z);
  15          void initial();
  16          void qudoudong();
  17          void main()
  18          {
  19   1          initial();
  20   1              while(1)
  21   1              {
  22   2                      qudoudong();
  23   2      
  24   2                      dula=1;
  25   2                      P0=table[num];
  26   2                      dula=0;
  27   2              }
  28   1      }
  29          
  30          void initial()
  31          {
  32   1          key1=1;
  33   1              num=0;
  34   1      
  35   1              temp=0xfe;
  36   1              P1=temp;
  37   1      
  38   1              wela=1;
  39   1              P0=0xfe;
  40   1              wela=0; 
  41   1      }
  42          
  43          void qudoudong()
  44          {
  45   1                      if(key1==0)
  46   1                      {
  47   2                          delay(10);                    //按下去抖动
  48   2                              if(key1==0)
  49   2                              {
  50   3                                      while(key1!=1);   //判断是否松手
  51   3                                      delay(10);                //松手去抖动
  52   3                                      if(key1==1)               //完全松开手
  53   3                                      {
  54   4                                              num++;
  55   4                                              if(num==10) num=0;
C51 COMPILER V8.05a   LESSON_5_2                                                           02/03/2009 12:38:34 PAGE 2   

  56   4      
  57   4                                              temp=_crol_(temp,1);
  58   4                                              P1=temp;
  59   4                                      }
  60   3                              }
  61   2                      }
  62   1      }
  63          
  64          void delay(uint z)
  65          {
  66   1              uint x,y;
  67   1              for(x=z;x>0;x--)
  68   1                      for(y=110;y>0;y--);
  69   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    121    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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