main.lst

从零开始学51单片机源代码

C51 COMPILER V8.08   MAIN                                                                  07/04/2012 21:28:33 PAGE 1   


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

line level    source

   1          //main.c
   2          #include <reg52.h>      //包含头文件    
   3          #include "fun.h"   
   4          
   5          void  USART_interrupt() interrupt 4
   6          {
   7   1              if (RI)  //接收中断 
   8   1              {
   9   2                      RI = 0;
  10   2                      r1tag=1; //正在接收标志 
  11   2                      reciev1[rec_num1] = SBUF;//收到缓冲区 
  12   2                      rec_num1++;     
  13   2                      r1tag=0;        
  14   2              }
  15   1              if (TI)
  16   1              {
  17   2                      TI = 0;
  18   2              }
  19   1      }
  20          
  21          void  USART2_interrupt() interrupt 8
  22          {
  23   1              //if (RI)
  24   1              if (S2CON & 0x01)        //串口2接收中断 
  25   1              {
  26   2                      //RI = 0;
  27   2                      S2CON &= 0xfe;  //清串口2接收中断标志S2RI
  28   2                      r2tag=1; //正在接收标志 
  29   2                      reciev2[rec_num2] = S2BUF;//收到缓冲区 
  30   2                      rec_num2++;     
  31   2                      r2tag=0;
  32   2              }
  33   1              //if (TI)
  34   1              if (S2CON & 0x02)        //串口2发送中断 
  35   1              {
  36   2                      //TI = 0;
  37   2                      S2CON &= 0xfd;  //清串口2发送中断标志S2TI
  38   2              }
  39   1      }
  40          
  41          main()
  42          {
  43   1              ms_delay(100);
  44   1              init_usart();
  45   1              init_usart2();  
  46   1              init_timer();
  47   1              
  48   1              rec_num1 = 0;
  49   1              rec_num2 = 0;
  50   1              r1tag = 0;
  51   1              r2tag = 0;
  52   1      
  53   1              dir1 = 0; //485接收数据 
  54   1              dir2 = 0; //485接收数据 
  55   1      
C51 COMPILER V8.08   MAIN                                                                  07/04/2012 21:28:33 PAGE 2   

  56   1              EA = 1;//开总中断 
  57   1      
  58   1              while(1)
  59   1              {
  60   2                      if (rec_num1 > 0) //串口1缓冲区有数据待发？ 
  61   2                      {
  62   3                              if (r2tag == 0)  //串口2空闲 
  63   3                              {
  64   4                                      rec_num1 --;
  65   4                                 send2(reciev1[rec_num1]);  //转发                        
  66   4                              }
  67   3                      }
  68   2      
  69   2                      if (rec_num2 > 0) //串口2缓冲区有数据待发？ 
  70   2                      {
  71   3                              if (r1tag == 0)  //串口1空闲 
  72   3                              {
  73   4                                      rec_num2 --;
  74   4                                 send1(reciev2[rec_num2]);  //转发                        
  75   4                              }
  76   3                      }
  77   2              }
  78   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    253    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     22    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      2    ----
END OF MODULE INFORMATION.


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