dizhi1#.lst

rs485多机通信

C51 COMPILER V7.06   DIZHI1_                                                               11/12/2007 00:08:41 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE DIZHI1_
OBJECT MODULE PLACED IN dizhi1#.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE dizhi1#.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

*** WARNING C500 IN LINE 1 OF DIZHI1#.C: MISSING DEVICE (SECURITY KEY NOT FOUND)
   1          
   2          #include<reg51.h>
   3          #include<absacc.h>
   4          #include<intrins.h>
   5          
   6          unsigned char serial_receiver;
   7          
   8          sbit P3_5=P3^5;
   9          
  10          /****************************************
  11          
  12          串行口中断子程序
  13          
  14          ****************************************/
  15          
  16          void serial (void) interrupt 4 using 1
  17          {
  18   1                      ES=0;
  19   1                      RI=0;
  20   1      
  21   1                      if(SBUF==0x01)//如果地址与自身地址相同则准备发送
  22   1                      {       
  23   2                              
  24   2                                      P3_5=1; //将487控制端置位准备好发送
  25   2                                      SM2=0;  //将数据发送控制位置0
  26   2                                      P1=P2;//将要发送的数据显示在P1口
  27   2                                      SBUF=P2;//发送数据
  28   2                                      while(TI!=1);TI=0;//等待并判断数据发送完毕
  29   2                      }
  30   1                      SM2=1;//将数据地址控制位置1为接收地址做准备
  31   1                      ES=1; //开中断
  32   1                      P3_5=0;//将487设置为接收模式
  33   1      }
  34          
  35          /*****************主程序******************/
  36          
  37          void main(void)
  38          {
  39   1               
  40   1                P1=0x00;
  41   1                TMOD=0x20;
  42   1                TL1=0xfd;
  43   1                TH1=0xfd;
  44   1                PCON=0x00;
  45   1                TR1=1;
  46   1                SCON=0xf0;
  47   1                EA=1;
  48   1                ES=1;
  49   1                P3_5=0;
  50   1            P2=0X00;
  51   1                while(1)
  52   1                {
  53   2                      //
  54   2                              _nop_();
C51 COMPILER V7.06   DIZHI1_                                                               11/12/2007 00:08:41 PAGE 2   

  55   2                              
  56   2                }
  57   1      
  58   1      }
  59          
  60          
  61          
  62          
  63          
  64          
  65          
  66          
  67          
  68          
  69          
  70          
  71          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     69    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)