delay.lst

来自「lcd液晶驱动显示原代码 根据硬件自己修改」· LST 代码 · 共 51 行

C51 COMPILER V8.02   DELAY                                                                 09/14/2006 22:59:04 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE DELAY
OBJECT MODULE PLACED IN delay.OBJ
COMPILER INVOKED BY: D:\Program-English\keil\C51\BIN\C51.EXE delay.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*---------------------------------------延时函数-------------------------------------*/ 
   2          
   3          /*-----------------------------------------------------------------------
   4          延时函数
   5          系统时钟：8M
   6          -----------------------------------------------------------------------*/
   7          void delay_1us(void)                 //1us延时函数
   8            {
   9   1         asm("nop");
*** WARNING C206 IN LINE 9 OF DELAY.C: 'asm': missing function-prototype
*** ERROR C267 IN LINE 9 OF DELAY.C: 'asm': requires ANSI-style prototype
  10   1        }
  11          
  12          void delay_nus(unsigned int n)       //N us延时函数
  13            {
  14   1         unsigned int i=0;
  15   1         for (i=0;i<n;i++)
  16   1         delay_1us();
  17   1        }
  18          
  19          void delay_1ms(void )  //延时1ms 
  20          { 
  21   1         unsigned int i ; 
  22   1         unsigned char xtal; 
  23   1         xtal=4; 
  24   1         for (i=1;i<(xtal*143-2);i++) 
  25   1         { 
  26   2          ; 
  27   2         }    
  28   1      } 
  29          
  30          void delay_nms(unsigned int n)  //延时nms 
  31          { 
  32   1         unsigned int i=0 ;  
  33   1         for(i=0;i<n;i++) 
  34   1         { 
  35   2          delay_1ms();  
  36   2         } 
  37   1      }

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