extern unsigned int control_time;
extern unsigned int control_timel;
extern unsigned int control_timer;       
extern unsigned char key_timer;       
extern unsigned char bell_timer;
/*******************************************************************
  						TIEMR2初始化程序
timer2定時(shí)周期1ms,采用中斷工作方式,256分頻
*******************************************************************/
void timer2_init(void){

	TCCR2=0X00;
	TCNT2=0XE0;
	TCCR2=0X04;
	TIFR|=0X40;
	TIMSK|=0X40;

}
/*******************************************************************
						TIMER3初始化程序
TIMER3定時(shí)周期100ms，采用中斷工作方式，64分頻
*******************************************************************/
void timer3_init(void){

	TCCR3A=0X00;
	TCCR3B=0X00;
	TCNT3L=0X2B;
	TCNT3H=0XCF;
	TCCR3A=0X00;
	TCCR3B=0X03;
	ETIFR=0X04;
	ETIMSK=0X04;

}

/*********************************************************************
               			TIMER2中斷處理程序
1ms定時(shí)中斷,內(nèi)部需要加載初值
內(nèi)部可以加載定時(shí)寄存器
*********************************************************************/
interrupt [11] timer2_int(){

    if(touch_timer2<0xff)touch_timer2++;   			//觸摸屏接收數(shù)據(jù)用定時(shí)器     
    if(touch_timer1<0xff)touch_timer1++; 			//觸摸屏放電定時(shí)器 
    if(key_timer<0xff)key_timer++;     
    if(bell_timer<0xff)bell_timer++;                           //蜂鳴器用定時(shí)器
    //control_time++;
    //control_timel++;
    //control_timer++;
	TCNT2=0XE0;

}                            

/*********************************************************************
TIMER3中斷處理程序
100ms定時(shí)中斷，內(nèi)部需要加載初值
內(nèi)部可以加載定時(shí)寄存器
*********************************************************************/
interrupt [30] timer3_int(){
	login_timer++;									//登錄用超時(shí)定時(shí)器
	TCNT3L=0X2B; 									//裝載定時(shí)器初值
	TCNT3H=0XCF;
}