keyscan119.c

pic6527 控制锁程序包括keyscan 电机控制 eeprom等

		if(pos_close == 0)					//没有到位报警
		{
			for(i=0;i<3;i++)
			sound_buzzer(10);
		}	
	}
		sound_buzzer(2);
		sound_buzzer(1);
		mot_down=0;					//反转
		mot_up=0;					//正转
		vcc_kid=0;
}


void initialize(void)
{

   WDTCON = 0 ;

	INTCON=0x38;				//关闭所有中断，B口变位中断允许,int0变化中断允许，TMR0允许
	INTCON2=0xFC;				//使能B口不上拉，B口中断，int3低优先级上升沿有效,TMR0高优先级
	INTCON3=0x38;				//int2 int1 低优先级 使能3
	RCONbits.IPEN=1;			//使能中断优先级
	PORTB=PORTB;				//读B口的值，为变位中断创造条件*/	

	T0CON=0x87;				//timer0 on, 16bit,内部时钟，256分频 大概3秒
}


void initialize_io (void)
{


//Initialize PORT A INPUT
//RA0低压检测报警，RA2 光耦OPEN，RA3 光耦CLOSE，RA4   光耦LOCK
//RA5   SW17   R,  RA1不知做什么

 	PORTA = 0;            //Initialize PORTG by clearing output data latches
	LATA = 0;            //; Alternate method to clear output data latches
   	ADCON1 = 0x0F;          //设置A位I/O口
	TRISA = 0xFF;         //Set RA<5:0> as inputs


//Initialize PORT B INPUT
//RB0   SW3    OPEN/CLO，   RB1   SW2    D ，      RB3   SW4    N    
//RB2   指纹开关，         RB4   键盘开关 
//RB5   外部强行闯入 ，      RB6   仿真，RB7   仿真
   	PORTB = 0;            //Initialize PORTB by clearing output data latches
   	LATB = 0;            //; Alternate method to clear output data latches
	TRISB = 0xFF;           //PORTGB inputs

/*//Initialize PORT C INPUT
//OUT      RC0   让dsp重置 删除已有指纹                    /reset
//OUT      RC1   spi开始(猜测)                             spiss
//OUT      RC2   外盖打开 从sleep恢复                      /pwr_on
//IN/OUT   RC3   spi clock                                 sck
//IN      RC4   master in slave out                       miso
//OUT      RC5   slave in master out                       mosi
//         RC6,RC7  不知用途
*/
   	PORTC = 0;            //Initialize PORTC by clearing output data latches
   	LATC = 0;            //; Alternate method to clear output data latches
   	TRISC = 0x10;           //0001 0000

//Initialize PORT D INPUT
//IN   RD0   成功标志                 录入或登入成功标志     
//OUT   RD7   MOT-
   	PORTD = 0;            //Initialize PORTD by clearing output data latches
   	LATD = 0;            //; Alternate method to clear output data latches
   	TRISD = 0x01;           //0000 0001


//Initialize PORT E INPUT
//RE0   VCC_IO   接通  与VCC_6V              高有效
//RE7   VCC_IO2  接通  与VCC_6V              高有效
//RE2   KID电源  接通  与VCC_6V   恩
//RE1   MOT+
//RE3   BUZZ声音控制 没有用到
//RE4   键盘面板灯
//RE5   键盘蓝色灯
//RE6   下拉了  没有用
   	PORTE = 0;            //Initialize PORTE by clearing output data latches
   	LATE = 0;            //; Alternate method to clear output data latches
   	TRISE = 0x00;           //output



   PORTF = 0;            //Initialize PORTF by clearing output data latches
   LATF = 0;            //; Alternate method to clear output data latches
   ADCON1 = 0x0F;          //设置F位I/O口
   TRISF = 0xF0;           //PORTF 0-3输出，4-7输入
//Initialize PORT G 
//RG0   buzz声音控制,RG1 指纹RED, RG2 指纹BLUE

   	PORTG = 0;            //Initialize PORTG by clearing output data latches
   	LATG = 0;            //; Alternate method to clear output data latches
   	TRISG = 0x00;           //PORTG 0-4输出 没有6,7  5为MCLR


}


void initialize_eeprom()
{
int i,j;
	for(i=0;i<6;i++)
		epprom_write(i,i+1);      		//地址i，写入i，密码为123456
	epprom_write(6,confim_key);					//最后一位停止位10
	for(i=0;i<9;i++)
	current_password[i] = epprom_read(i);
	sound_buzzer(4);

	i=0;
	while (current_password[i]!=confim_key&&current_password[i]==epprom_read(i))
	{i++;}
	if (current_password[i]==confim_key && epprom_read(i)==confim_key)
		{
		keyboard_blue=1;
		delay(10000000);

		keyboard_blue=0;
		}
}

void interrupt_handler_high()
{
	INTCONbits.GIE=0;				//高优先级中断允许
	INTCONbits.PEIE=0;				//低优先级中断允许
		T0CONbits.TMR0ON =1 ;		//开始计时
	delay(1000);
	if(INTCONbits.INT0IF==1)
	{

		TMR0H	= 0;
		TMR0L	= 0;				//计数器清零
		vcc_io  = 1;				//低压+光耦
		vcc_io2 = 1;				//buzz and dsp
		sleep_cycle =	0;		
		delay(100);
			if(pos_close == 1)
				mot_move_open();
			else
				mot_move_close();
		TMR0H	= 0x00;				//开关门动作之后转入睡眠时间
		TMR0L	= 0;				//计数器清零
		sleep_cycle =	2;		
		INTCONbits.INT0IF		=0;
	}
	if(INTCONbits.T0IF==1)
	{
		INTCONbits.T0IF		=0;
		sleep_cycle++;
		if(sleep_cycle>=3)				//设置睡眠时间
		{
			sound_buzzer(10);
			sleep_prepare();			//睡眠准备
			sleep_cycle=0;
			TMR0H	= 0;
			TMR0L	= 0;				//计数器清零
			INTCONbits.GIE=1;				//高优先级中断允许
			INTCONbits.PEIE=1;				//低高优先级中断允许
			_asm
			sleep
			_endasm
	
		}
	}
		

	INTCONbits.GIE=1;				//高优先级中断允许
	INTCONbits.PEIE=1;				//低高优先级中断允许
}


void interrupt_handler_low()
{
int i,j;
	//判断哪个中断，从而进入相应状态

	INTCONbits.PEIE=0;				//低优先级中断允许
	TMR0H	= 0;
	TMR0L	= 0;				//计数器清零
	T0CONbits.TMR0ON =1 ;		//开始计时
	sleep_cycle =	0;		
	vcc_io  = 1;				//低压+光耦
	vcc_io2 = 1;				//buzz and dsp
	delay(100);
	sound_buzzer(1);
	if(INTCON3bits.INT1IF==1)			//RB1 SW2    D
		{
			INTCON3bits.INT1IF=0;
			finger_input();
		}
	else if(INTCON3bits.INT2IF==1)		//RB2  键盘开关
		{
			INTCON3bits.INT2IF=0;
			password_confirm();
		}

	else if(INTCON3bits.INT3IF==1)		//RB3 SW4    N
			{
			INTCON3bits.INT3IF=0;
			password_input();
			}
			
	else if(INTCONbits.RBIF==1)
		{

			INTCONbits.RBIF	=0;			//中断标志清0
			if(force_in)		 //RB5 外部强行闯入
			{
			force_in_alarm();
			}
			if (outkey_finger)	 //RB4  指纹开关
			finger_confirm();
		}
/*	switch(PORTB)
	{

		case 0x02: 				 //RB1 SW2    D
		{
		finger_input();
		break;
		}

		case 0x04: 				 //RB2  键盘开关
		{
		password_confirm();
		break;
		}

		case 0x08: 				 //RB3 SW4    N
		{
		password_input();
		break;
		}

		case 0x10: 				 //RB4  指纹开关
		{
		finger_confirm();
		break;
		}
		case 0x20: 				 //RB5 外部强行闯入
		{
			for(i=0 ; i<20; i++)
			{
				if(pos_open == 0)
				sound_buzzer(10);
			}			
			break;
		}
//		case 0x40: 				 //RB6
//		case 0x80: 				 //RB7

	default: 
	//add error
	break;
	}//swich end*/
			INTCON3bits.INT1IF=0;
			INTCON3bits.INT2IF=0;
			INTCON3bits.INT3IF=0;
			INTCONbits.RBIF	=0;			//中断标志清0
	PORTB=PORTB;						//读B口的值，为变位中断创造条件*/	
	INTCONbits.GIE=1;				//高优先级中断允许
	INTCONbits.PEIE=1;				//低优先级中断允许
}

char password_confirm()
{

	int	password_num=0; 				 //	密码计数
	int i=0;
	keyboard_blue=1;
	while(outkey_keyboard)
	{
		
		if(key_scan()  )
		{
			if(current_key!=confim_key)
			{
				current_password[password_num] = current_key;
				sound_buzzer(1);
				password_num++;
			}
			else
			{
				current_password[password_num] = confim_key;
				password_num=0;
				sound_buzzer(1);
				while (current_password[password_num]!=confim_key
						&&current_password[password_num]==epprom_read(password_num))
					{password_num++;}
				if (current_password[password_num]==confim_key && epprom_read(password_num)==confim_key)
				{
					keyboard_red=1;
					delay(100000000);
					keyboard_red=0;
					keyboard_blue=0;
					password_confirm_times=0;            //重置错误次数
					if(pos_close == 1)
						mot_move_open();
					else
						mot_move_close();
							return(1);
				}
				else
					{
					password_confirm_times++; 
					if(password_confirm_times>=2)		//错误多少次报警
					for(i=0;i<4;i++)
					sound_buzzer(1);
					keyboard_blue=0;
					return(0);
					}
			}
			delay(10);
			//delay(10000000);
		}		
	}
			delay(10);
		keyboard_blue=0;
		return(0);

}



char password_input()
{
	int i=0,j=0;
	int	password_num=0; 				 //	密码计数	
	keyboard_blue=1;
	while(outkey_keyboard)
	{
		if(key_scan())
		{
			if(current_key!=confim_key)
			{
				current_password[password_num] = current_key;
				sound_buzzer(1);
				password_num++;
			}
			else
			{
				current_password[password_num] = confim_key;
				if(password_num < 9&& password_num > 5)			//6到8位密码
				{
					for(i=0;i<9;i++)
					epprom_write(i,current_password[i]);
					sound_buzzer(3);				//确认正确声音
					keyboard_red=1;
					delay(100000000);
					keyboard_red=0;
					password_num=0;
					keyboard_blue=0;
					return(1);
				}
				else
				{
					sound_buzzer(10);
					password_num=0;
					keyboard_blue=0;
					return(0);
				}
			}
		}
	}

		keyboard_blue=0;
		return(0);
}



void sleep_prepare()
{
	vcc_io  = 0;				//低压+光耦
	vcc_io2 = 1;				//buzz and dsp
	vcc_kid = 0;

  	PORTFbits.RF1 = 0;
	PORTFbits.RF2 = 0;
   	PORTFbits.RF3 = 0;

   	keyboard_red = 0;  	
    keyboard_blue= 0;        	
    buzz         = 0;     	
    finger_red   = 0;      	
    finger_blue  = 0;    
	mot_up 		 = 0; 
	mot_down  	 = 0; 

	T0CONbits.TMR0ON =0 ;  //停止计时
}


void finger_confirm()
{
finger_blue = finger_blue^1;  
delay(100000);

}

void finger_input()							//指纹输入
{

  finger_red   = finger_red^1;  
}

void finger_del()							//指纹删除
{


}

void force_in_alarm()
{
		 int i;
			for(i=0 ; i<20; i++)
			sound_buzzer(10);
				
}


void delay(int delaytime)
{
   while(delaytime)
   delaytime--;
}