scomm.lst

51单片机与PC通信--串口通信实验 keil环境

C51 COMPILER V8.02   SCOMM                                                                 05/12/2008 23:46:50 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE SCOMM
OBJECT MODULE PLACED IN scomm.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE scomm.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          //ZC-51学习板实验源程序
   3          //学习板和PC通信--串口通信实验
   4          //http://www.ednchina.com/blog/zhichengdz/
   5          //E-mail: [e-mail]
   6          
   7          #include <reg52.h>
   8          #include <main_.h>
   9          #define uchar unsigned char
  10          #define uint unsigned int
  11          
  12          uchar chrec;
  13          bit brec;
  14                         
  15          void commini (void)        //串口初始化
  16          {
  17   1              SCON  = 0x50;     //01010000  //方式1,允许接收             
  18   1              TMOD |= 0x21;     //8位自动装入常数的定时器              
  19   1              TH1 = 0xfd;       //波特率产生器自动装入常数                
  20   1              TR1   = 1;        //T1开始运行                
  21   1      
  22   1              ES = 1;                   //打开串口中断
  23   1              EA=1;                     //打开全局中断
  24   1      }
  25          
  26          putbyte(unsigned char c)   //放入一个字节到发送缓冲区
  27          {
  28   1      SBUF=c;
  29   1      while(!TI);TI=0;
  30   1      }
  31          
  32          void putstring(uchar  *puts)             //发送一个定义在程序存储区的字符串到串口
  33          {
  34   1              for(;*puts!=0;puts++)   //遇到停止符0结束
  35   1              putbyte(*puts);
  36   1      }
  37          
  38          void serial () interrupt 4         //串口中断处理
  39          {
  40   1              if (RI)
  41   1              {
  42   2                      RI = 0;
  43   2                      brec=1;
  44   2                      chrec=SBUF;
  45   2                      SBUF=chrec;
  46   2              }
  47   1      }
  48          uchar code arrhex[]={"0123456789ABCDEF"};
  49          void LCM1602 (uchar ch)                         //以十六进制显示从PC接收到的数据
  50          {       uchar cht;
  51   1              
  52   1              cht=ch%16;
  53   1              lcdchar (13,1,arrhex[cht]);
  54   1      
  55   1              cht=ch/16;
C51 COMPILER V8.02   SCOMM                                                                 05/12/2008 23:46:50 PAGE 2   

  56   1              lcdchar (12,1,arrhex[cht]);
  57   1      }
  58          void main ()
  59          {       
  60   1              commini ();        //串口初始化
  61   1      
  62   1              lcdreset();                                               //LCM初始化
  63   1              lcdwda(0,0,"ZC-51 comm. Exp.");
  64   1              lcdwda(0,1," rec. char:     ");
  65   1              putstring("ZC-51 communications Exp.");
  66   1              while (1)
  67   1              {
  68   2                      if (brec)
  69   2                      {       brec=0;
  70   3                              LCM1602 (chrec);           //以十六进制显示从PC接收到的数据
  71   3                      }
  72   2              }
  73   1      }
  74          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    144    ----
   CONSTANT SIZE    =     77    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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