clock.c

来自「改革 自适应速率 usbasp代码」· C语言 代码 · 共 25 行

/*
  clock.c - part of USBasp

  Autor..........: Thomas Fischl <[e-mail]> 
  Description....: Provides functions for timing/waiting
  Licence........: Free under certain conditions. See Documentation.
  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)	;	
	}
}