delay.c

来自「AVR Mega16 + Philips Remote Control &」· C语言 代码 · 共 30 行

#include <util/delay.h>
#include "delay.h"

void delayloop(unsigned long t) 
{
	unsigned int i;
	if (t==0) return;
	while (t--) for(i=0;i<K_DELAY; i++);
}

void delay_ms(unsigned long  ms) 
{ 
    unsigned long i; 
    ms *= 1000; 
    for (i=0; i < ms; i++) 
    { 
        _delay_us(1); 
    } 
} 

void delay_us(unsigned int  us) 
{ 
    unsigned long i; 
	
    for (i=0; i < us; i++) 
    { 
        _delay_us(1); 
    } 
}