delay.c

来自「8051带32Mflash的源代码」· C语言 代码 · 共 51 行

#include "delay_h.h"

/*-----------------------------------------
			5uS延时

MODE 1
16BIT
Third GROUP REGISTER  R7 R6

------------------------------------------*/

void delay5us(uint utimes)  //5uS*utimes  IN 12MHZ
{
	uint delay5us_utimes;
	for(delay5us_utimes=0;delay5us_utimes<utimes;++delay5us_utimes)
	{
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
	}
  	
}


/*-----------------------------------------
			10mS延时
use counter T0
MODE 1
16BIT
Third GROUP REGISTER  R7 R6
clock  12MHZ
------------------------------------------*/	


void delay10ms(uint mtimes)     //10MS*mtimes  IN 12MHZ
{
	uint mscounter;
	for(;mtimes>0;--mtimes)
		for(mscounter=0;mscounter<5;++mscounter);
}

void delay1s(uint time1,uint time2)
{	for(;time1>0;time1--);
		for(;time2>0;time2--);
			_nop_();
}