16.lst

单片机C语言程序设计实训100例

C51 COMPILER V8.08   16                                                                    08/12/2009 10:25:25 PAGE 1   


C51 COMPILER V8.08, COMPILATION OF MODULE 16
OBJECT MODULE PLACED IN 16.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 16.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /***************   writer:shopping.w   ******************/
   2          #include <reg52.h>
   3          #define uint unsigned int
   4          #define uchar unsigned char
   5          uchar code prompts[]=" Serial LCD DEMO ";
   6          
   7          void DelayMS(uint ms)
   8          {
   9   1              uchar i;
  10   1              while(ms--)
  11   1              {
  12   2                      for(i=0;i<120;i++);
  13   2              }
  14   1      }
  15          
  16          void putc_to_LCD(uchar c)
  17          {
  18   1              SBUF = c;
  19   1              while(TI == 0);
  20   1              TI = 0;
  21   1      }
  22          
  23          uchar getc_from_terminal()
  24          {
  25   1              while(RI == 0);
  26   1              RI = 0;
  27   1              return SBUF;
  28   1      }
  29          
  30          void wrcmd(uchar comm)
  31          {
  32   1              putc_to_LCD(0xfe);
  33   1              putc_to_LCD(comm);
  34   1      }
  35          
  36          void main()
  37          {
  38   1              uchar i=0,c;
  39   1              TMOD = 0x20;
  40   1              TH1 = 0xfd;
  41   1              TL1 = 0xfd;
  42   1              SCON = 0x50;
  43   1              RI = 0;
  44   1              TI = 0;
  45   1              TR1 = 1;
  46   1              DelayMS(200);
  47   1              while(prompts[i] != '\0')
  48   1              {
  49   2                      putc_to_LCD(prompts[i+1]);
  50   2                      DelayMS(5);
  51   2              }
  52   1              wrcmd(0xc0);
  53   1              wrcmd(0x0d);
  54   1              DelayMS(120);
  55   1              while(1)
C51 COMPILER V8.08   16                                                                    08/12/2009 10:25:25 PAGE 2   

  56   1              {
  57   2                      c = getc_from_terminal();
  58   2                      if(c==0x0d)
  59   2                      {
  60   3                              wrcmd(0x01);
  61   3                              continue;
  62   3                      }
  63   2                      if(c==0x08)
  64   2                      {
  65   3                              wrcmd(0x10);
  66   3                              continue;
  67   3                      }
  68   2                      putc_to_LCD(c);
  69   2                      DelayMS(200);
  70   2              }
  71   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    151    ----
   CONSTANT SIZE    =     18    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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