example.lst

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C51 COMPILER V8.02   EXAMPLE                                                               08/16/2008 17:20:01 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE EXAMPLE
OBJECT MODULE PLACED IN Example.OBJ
COMPILER INVOKED BY: E:\KeilC应用程序\C51\BIN\C51.EXE Example.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include <reg51.h> 
   2          #include <string.h> 
   3          #include"lcd.h"
   4          
   5          #define INBUF_LEN 4 //数据长度 
   6          
   7          unsigned char inbuf1[INBUF_LEN],inbuf2[INBUF_LEN]; 
   8          unsigned char checksum,count3; 
   9          bit read_flag= 1 ; 
  10          
  11          void init_serialcomm( void ) 
  12          {
  13   1      ///* 
  14   1      inbuf1[0]='A';
  15   1      inbuf1[1]='B';
  16   1      inbuf1[2]='C';
  17   1      inbuf1[3]='D';
  18   1      //*/
  19   1      //inbuf1[INBUF_LEN]={'a','b','c','d'};
  20   1      SCON = 0x50 ; //SCON: serail mode 1, 8-bit UART, enable ucvr  字串8 
  21   1      TMOD |= 0x20 ; //TMOD: timer 1, mode 2, 8-bit reload 
  22   1      PCON |= 0x80 ; //SMOD=1; 
  23   1      TH1 = 0xF4 ; //Baud:4800 fosc=11.0592MHz 
  24   1      IE |= 0x90 ; //Enable Serial Interrupt 
  25   1      TR1 = 1 ; // timer 1 run 
  26   1      // TI=1; 
  27   1      } 
  28          
  29          //向串口发送一个字符 
  30          void send_char_com( unsigned char ch) 
  31          { 
  32   1      SBUF=ch; 
  33   1      while (TI== 0 ); 
  34   1      TI= 0 ; 
  35   1      } 
  36          
  37          //向串口发送一个字符串，strlen为该字符串长度 
  38          void send_string_com( unsigned char *str, unsigned int strlen) 
  39          { 
  40   1      unsigned int k= 0 ; 
  41   1      do 
  42   1      { 
  43   2      send_char_com(*(str + k)); 
  44   2      k++; 
  45   2      } while (k < strlen); 
  46   1      }  
  47          
  48          
  49          
  50          
  51          
  52          //串口接收中断函数 
  53          void serial () interrupt 4 using 3 
  54          { 
  55   1      if (RI) 
C51 COMPILER V8.02   EXAMPLE                                                               08/16/2008 17:20:01 PAGE 2   

  56   1      { 
  57   2      unsigned char ch; 
  58   2      RI = 0 ; 
  59   2      ch=SBUF; 
  60   2      if (ch> 127 ) 
  61   2      { 
  62   3      count3= 0 ; 
  63   3      inbuf2[count3]=ch; 
  64   3      checksum= ch- 128 ; 
  65   3      } 
  66   2      else 
  67   2      { 
  68   3      count3++; 
  69   3      inbuf2[count3]=ch; 
  70   3      checksum ^= ch; 
  71   3      if ( (count3==(INBUF_LEN- 1 )) && (!checksum) ) 
  72   3      { 
  73   4      read_flag= 1 ; //如果串口接收的数据达到INBUF_LEN个，且校验没错， 
  74   4      //就置位取数标志 
  75   4      } 
  76   3      } 
  77   2      } 
  78   1      } 
  79          
  80          
  81          main() 
  82          { 
  83   1      init_LCD();
  84   1      clear_LCD();
  85   1      init_serialcomm(); //初始化串口 
  86   1      while ( 1 ) 
  87   1      { 
  88   2      //if (read_flag) //如果取数标志已置位，就将读到的数从串口发出 
  89   2      {//  字 
  90   3      read_flag= 0 ; //取数标志清0 
  91   3      gotoxy(1,0);
  92   3      display_LCD_string(inbuf2);
  93   3      send_string_com(inbuf1,INBUF_LEN); 
  94   3      
  95   3      } 
  96   2      } 
  97   1      
  98   1      }  


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    196    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     10       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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