delay400.lst

单片机精确延时测试程序

C51 COMPILER V8.05a   DELAY400                                                             11/09/2007 20:08:07 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE DELAY400
OBJECT MODULE PLACED IN delay400.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE delay400.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1                     #include <at89x51.h>
   2                     void delay400ms(void)
   3                     {
   4   1      
   5   1             unsigned char i=5;
   6   1      
   7   1             unsigned char j;
   8   1      
   9   1             while(i--)
  10   1                   {
  11   2      
  12   2                     j=5000;                     //通过keil调试来确定循环次数
  13   2      
  14   2                    while(j--);
  15   2      
  16   2               }
  17   1      
  18   1            }
  19          void main(void)
  20          {       
  21   1           P1_0=0;    ）     
*** ERROR C100 IN LINE 21 OF DELAY400.C: unprintable character 0xA3 skipped
*** ERROR C100 IN LINE 21 OF DELAY400.C: unprintable character 0xA9 skipped
  22   1           delay400ms();
  23   1               P1_0=1;                                    
  24   1      }

C51 COMPILATION COMPLETE.  0 WARNING(S),  2 ERROR(S)