📄 delay.lst
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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)
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