lesson 4_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_4_2                                                           02/02/2009 21:01:04 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE LESSON_4_2
OBJECT MODULE PLACED IN lesson 4_2.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE lesson 4_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          void delay(uint);
   6          void initial();
   7          sbit dula=P2^6;
   8          sbit wela=P2^7;
   9          uchar temp,num_d,num_w,t;    //定义全局变量
  10          uchar code table_d[]={  //共阴极LED显示列表数据
  11          0x3f,0x06,0x5b,0x4f,
  12          0x66,0x6d,0x7d,0x07,
  13          0x7f,0x6f,0x77,0x7c,
  14          0x39,0x5e,0x79,0x71};
  15          uchar code table_w[]={
  16          0xfe,0xfd,0xfb,0xf7,0xef,0xdf};
  17          void main()
  18          {
  19   1              t=0;num_d=1;num_w=0;
  20   1          initial();    //中断初始化
  21   1      
  22   1              temp=0xfe;
  23   1              P1=temp;
  24   1      
  25   1          while(1)
  26   1              { 
  27   2                      temp=_crol_(temp,1);
  28   2                      P1=temp;
  29   2                      delay(500);       
  30   2              }
  31   1      }
  32          
  33          void initial()
  34          {
  35   1              TMOD=0x01;                      //T0初始化
  36   1              TH0=(65536-50000)/256;
  37   1              TL0=(65536-50000)%256;
  38   1              EA=1;
  39   1              ET0=1;
  40   1              TR0=1;  
  41   1      }
  42          
  43          void T_0() interrupt 1
  44          {
  45   1              TH0=(65536-50000)/256;
  46   1              TL0=(65536-50000)%256;
  47   1              t++;
  48   1              if(t==10)
  49   1                      {
  50   2                      t=0;
  51   2                      dula=1;
  52   2                      P0=table_d[num_d];
  53   2                      dula=0;
  54   2                      num_d++;
  55   2                      if(num_d==7)
C51 COMPILER V8.05a   LESSON_4_2                                                           02/02/2009 21:01:04 PAGE 2   

  56   2                      num_d=1;
  57   2                      
  58   2                      wela=1;
  59   2                      P0=table_w[num_w];
  60   2                      wela=0;
  61   2                      num_w++;
  62   2                      if(num_w==6)
  63   2                              num_w=0;                                        
  64   2                      }
  65   1      }
  66          
  67          void delay(uint z)
  68          {
  69   1              uint x,y;
  70   1              for(x=z;x>0;x--)
  71   1                      for(y=100;y>0;y--);
  72   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    164    ----
   CONSTANT SIZE    =     22    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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