delay.lst

来自「智能打铃系统（MCU)端程序」· LST 代码 · 共 41 行

C51 COMPILER V7.06   DELAY                                                                 12/17/2006 14:56:13 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE DELAY
OBJECT MODULE PLACED IN delay.OBJ
COMPILER INVOKED BY: E:\My Electronic\Tools\Design tools\keil7.06\C51\BIN\C51.EXE delay.c LARGE OPTIMIZE(SIZE)

stmt level    source

   1          void delay_us(unsigned char us) //精确延时时间=2*us*T+5*T,      T为一个机器周期
   2          {
   3   1              while(--us);
   4   1      }
   5          
   6          
   7          void delay_ms(unsigned int ms)  //延时时间=8*ms*T(约等于,实际值比此值大,延时时间越长,误差越大,最大误差262*T
             -)
   8          {                                                                                       //T为大括号中函数的执行时间
   9   1              while(--ms)
  10   1              {
  11   2                      delay_us(200);
  12   2                      delay_us(200);
  13   2                      delay_us(200);
  14   2                      delay_us(200);
  15   2              }
  16   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     32    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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