lesson.lst

我是个初学者,因此传的程序可能过于简单,这个文件主要就是在1602液晶屏上显示动态两行字符

C51 COMPILER V8.08   LESSON                                                                03/04/2009 15:56:03 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE LESSON
OBJECT MODULE PLACED IN lesson.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE lesson.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          #define uint unsigned int
   3          #define uchar unsigned char
   4          sbit lcden=P3^2;
   5          sbit rs=P3^0;
   6          sbit rw=P3^1;
   7          uchar num;
   8          uchar code table[]=     "I LIKE MCU!";
   9          uchar code table1[]="WWW.SANSONIC.COM" ;
  10          void delay (uint z);
  11          
  12          void  write_com(uchar com)
  13          {
  14   1       rs=0;
  15   1       rw=0;
  16   1       P0=com;
  17   1       delay(5);
  18   1       lcden=1;
  19   1       delay(5);
  20   1       lcden=0;
  21   1      }
  22          
  23          void  write_date(uchar date)
  24          {
  25   1       rs=1; 
  26   1       rw=0;
  27   1       P0=date; //将DATA数给P0口
  28   1       delay(5);
  29   1       lcden=1;  //在LCDEN跳变瞬间将数据读入
  30   1       delay(5);
  31   1       lcden=0;
  32   1      }
  33          
  34          void init()
  35          {
  36   1       lcden=0;
  37   1       write_com(0x01);
  38   1       write_com(0x38);
  39   1       write_com(0x0f);
  40   1       write_com(0x80+0x10);
  41   1      
  42   1      }
  43          
  44          main()
  45          {
  46   1       init();
  47   1       for (num=0;num<11;num++)
  48   1       {
  49   2        write_date(table[num]);
  50   2        delay(20);
  51   2        }
  52   1       // write_com(0x01); //清屏指令，第一行显示后马上消失
  53   1        write_com(0x80+0x50);   //写数据位置
  54   1        for (num=0;num<16;num++)
  55   1       {
C51 COMPILER V8.08   LESSON                                                                03/04/2009 15:56:03 PAGE 2   

  56   2        write_date(table1[num]);
  57   2        delay(20);
  58   2        }
  59   1      
  60   1        for(num=0;num<16;num++)  // 向左移16格
  61   1        {
  62   2          write_com(0x18);  //左移指令
  63   2              delay(300);
  64   2              }
  65   1       while(1);
  66   1      }
  67          
  68          
  69          
  70          
  71          void delay (uint z)
  72          {
  73   1       uint x,y;
  74   1       for(x=z;x>0;x--)
  75   1         for(y=100;y>0;y--);
  76   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    178    ----
   CONSTANT SIZE    =     29    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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