ir.lst

Keil C51单片机基础实验源程序

C51 COMPILER V7.06   IR                                                                    10/17/2006 11:15:32 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE IR
OBJECT MODULE PLACED IN IR.OBJ
COMPILER INVOKED BY: D:\keil\C51\BIN\C51.EXE IR.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<reg52.h>
   2          
   3          sbit Rec=P3^1;
   4          
   5          unsigned char i,ch;
   6          unsigned int t;
   7          
   8          main()
   9          {
  10   1              TMOD=0x01;
  11   1              TR0=1; 
  12   1              while(1)
  13   1              {
  14   2              while(Rec); //等待接收信号
  15   2              t=(TH0<<8)+TL0; //取得脉冲宽度
  16   2              if(t>200&&t<800); //是'0'码 
  17   2              else if(t>1100&&t<1800) //'1'码
  18   2              {
  19   3                      if(i>24)//取出最后一字节 
  20   3                      ch|=1<<(i-25);
  21   3              }
  22   2              else //非0、1码，重新解码
  23   2              {ch=0;i=0;}
  24   2              if(i++==32) P1=ch;
  25   2              while(!Rec);
  26   2              TL0=0; //重新计时 
  27   2              TH0=0;
  28   2      }
*** ERROR C141 IN LINE 28 OF IR.C: syntax error near ''

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