sy.lst

单片机实现双向通信

C51 COMPILER V7.50   SY                                                                    08/22/2007 15:58:18 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE SY
OBJECT MODULE PLACED IN sy.OBJ
COMPILER INVOKED BY: D:\keil uvision3\C51\BIN\C51.EXE sy.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          //      #include<stdio.h>
   3                  typedef unsigned char unchar;
   4                  unchar sendflag,count1=0xff,i;
   5                  sbit K=P1^0;
   6                  main()
   7                  {
   8   1               EA=1;
   9   1               PT0=1;
  10   1               ET0=1;
  11   1               IT0=1;
  12   1               IT1=1;
  13   1               EX0=1;
  14   1               EX1=1;
  15   1               ET2=1;
  16   1               T2CON=0X08;
  17   1               TMOD=0X21;
  18   1               //定时器0为产生10ms的中断，定时器1为9600的波特率
  19   1                TH0=(65535-10000)/256;
  20   1                TL0=(65535-10000)%256;
  21   1                TL1=0X00;
  22   1                TH1=0X00;
  23   1                SCON=0X50;
  24   1                PCON=0X00;
  25   1                //开定时器
  26   1                TR1=1;
  27   1                TR0=1;
  28   1                T1=1;
  29   1                sendflag=1;
  30   1                while(1){}
  31   1               }
  32                  
  33                  void intstvrl(void) interrupt 1
  34                  { unchar count;
  35   1                count++;
  36   1               
  37   1              //重新装入定时器0的初值
  38   1              if(count==100)
  39   1              { sendflag=1;
  40   2                
  41   2                      if(sendflag)
  42   2              {  i++;
  43   3               if(i==8)
  44   3               {count1=0xff; 
  45   4                i=0;
  46   4               }
  47   3               
  48   3                count1=count1<<1;
  49   3                SBUF=count1;
  50   3                K=~K;
  51   3                sendflag=0;
  52   3                  count=0;
  53   3              }
  54   2              }
  55   1               TH0=(65535-10000)/256;
C51 COMPILER V7.50   SY                                                                    08/22/2007 15:58:18 PAGE 2   

  56   1               TL0=(65535-10000)%256;
  57   1              }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    108    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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