timer2.h

由单片机搞的软时钟

/**************************************************************************
  
                   		THE TIMER2 LIB
  
             		COPYRIGHT (c)   2008 BY CHENSS.
                       		--  ALL RIGHTS RESERVED  --
  
   File Name:       TIMER2.H
   Author:          NET.XICP.CHENSS
   Created:         2008/1/25
   Modified:		NO
   Revision: 		1.0
  
***************************************************************************/

#ifndef _TIMER2_H_
#define _TIMER2_H_


#include<reg52.h>
#include"buffer.h"
//#include""


#define TIMER_TH2 0xec
#define TIMER_TL2 0x78


void initTimer2(void)
{
	EA=1;
	ET2=1;
	PT2=0;
	TH2=TIMER_TH2;
	TL2=TIMER_TL2;
	TR2=1;
}


void timer2(void) interrupt 5 using 3
{
	TH2=TIMER_TH2;
	TL2=TIMER_TL2;
	count2+=1;
	if(count2==200)
	{
		count2=1;
	}
	/*if(keyIndex==30)
	{
		if(isMin)
		{
			if(count2==1)
			{
				timer[2]+=1;
				timerIsCarry=1;
			}
		}else 
		{
			timer[2]+=1;
			timerIsCarry=1;
		}
	}
	if(keyIndex==33)
	{
		//if(count2<50)
		//{
			
		//}
	}*/
}









//*****************************************************************************
#endif