clock.c

来自「制作AVR下在线」· C语言 代码 · 共 23 行

/*  
  clock.c - part of USBasp  
  
  Autor..........: Thomas Fischl <[e-mail]>   
  Description....: Provides functions for timing/waiting  
  Licence........: GNU GPL v2 (see Readme.txt)  
  Creation Date..: 2005-02-23  
  Last change....: 2005-04-20  
*/   
   
#include <INTTYPES.H>    
#include <AVR io.h>    
#include "clock.h"    
   
/* wait time * 320 us */   
void clockWait(uint8_t time) {   
     
  uint8_t i;   
  for (i = 0; i < time; i++) {   
    uint8_t starttime = TIMERVALUE;   
    while ((uint8_t) (TIMERVALUE - starttime) < CLOCK_T_320us) {}       
  }   
}