keyscan119.c

pic6527 控制锁程序包括keyscan 电机控制 eeprom等

//**************************************************************/
    /*键盘源程序，源文件名KEYSCAN.c。使用MPLAB C18 编译器。*/
    //使用PIC18F6527高性能单片机
//**************************************************************/
//#include <pic18fxx20.h>      /* head file*/
#include <p18f6527.h>      //PIC18F452 head file

/*********************DEFINE****************************/
//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
#define low_voltage      PORTAbits.RA0
#define pos_open         PORTAbits.RA2
#define pos_close         PORTAbits.RA3
#define pos_lock         PORTAbits.RA4
#define key_R            PORTAbits.RA5  

//RB0   SW3    OPEN/CLO，   RB1   SW2    D ，      RB3   SW4    N    
//RB4   指纹开关，         RB2   键盘开关 
//RB5   外部强行闯入 ，      RB6   仿真，RB7   仿真
#define key_open_close      PORTBbits.RB0
#define key_D            PORTBbits.RB1
#define key_N            PORTBbits.RB3
#define outkey_finger      PORTBbits.RB4
#define outkey_keyboard      PORTBbits.RB2
#define force_in         PORTBbits.RB5
//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
#define dsp_reset    	     	PORTCbits.RC0
#define dsp_spiss    	     	PORTCbits.RC1
#define dsp_pwr_on         		PORTCbits.RC2
#define dsp_sck            		PORTCbits.RC3
#define dsp_miso      	   		PORTCbits.RC4
#define dsp_mosi      	   		PORTCbits.RC5
//IN   RD0   成功标志                 录入或登入成功标志     
//OUT   RD7   MOT-
#define dsp_succes         		PORTDbits.RD0
#define mot_down      	   		PORTDbits.RD7


#define confim_key      	   	9
//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      
//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

#define    vcc_io            	PORTEbits.RE0
#define    vcc_io2           	PORTEbits.RE7
#define    vcc_kid           	PORTEbits.RE2
#define    mot_up             	PORTEbits.RE1
//#define    buzz2              PORTEbits.RE3
#define    keyboard_red      	PORTEbits.RE5
#define    keyboard_blue      	PORTEbits.RE4

//RG0   buzz声音控制,RG1 指纹RED, RG2 指纹BLUE
#define    buzz            		PORTGbits.RG0
#define    finger_red       	PORTGbits.RG1
#define    finger_blue     		PORTGbits.RG2
//*********************DEFINE*********************//

void initialize_io(void);                  			//初始化i/o口
void initialize(void); 								//初始化其他寄存器
void initialize_eeprom(void);						//初始化eeprom
void delay(int delaytime);               			//延时
char key_scan(void);                  				//键盘扫描
char keyserve(void);                  				//键盘辨别
char epprom_read(int epprom_r_addr);      			//读epprom
void epprom_write(int epprom_w_addr,int epprom_w_data);      //写epprom
void sound_buzzer(int sound);            			//发声
void key_stop(void);								//判断键盘是否松开
void mot_move_open(void);							//驱动电机开门
void mot_move_close(void);							//驱动电机关门
char password_confirm(void);						//密码验证
char password_input(void);							//密码输入
void sleep_prepare(void);							//sleep准备，低功耗设置
void finger_confirm(void);							//指纹确认
void finger_input(void);							//指纹输入
void finger_del(void);								//指纹删除
void force_in_alarm(void);

void interrupt_handler_high(void);					//高级中断
void interrupt_handler_low(void);


//全局变量设置

char current_key;						//当前得到按下去的key
int current_epprom;						//当前从epprom中得到的参数
int current_password[9];				//当前password
int sleep_cycle=0;						//设置睡眠时间
int password_confirm_times=0;			//设置错误次数
char sound_enable=1;					//

///* Set configuration bits for use with ICD2 / PICDEM2 PLUS Demo Board:*/
//#pragma romdata CONFIG
//_CONFIG_DECL(_CONFIG1H_DEFAULT,// & HS,
//_CONFIG2L_DEFAULT,
//_CONFIG2H_DEFAULT ,//& _WDT_OFF_2H,
//_CONFIG3H_DEFAULT,
//_CONFIG4L_DEFAULT ,//& _LVP_OFF_4L,
//_CONFIG5L_DEFAULT,
//_CONFIG5H_DEFAULT,
//_CONFIG6L_DEFAULT,
//_CONFIG6H_DEFAULT,
//_CONFIG7L_DEFAULT,
//_CONFIG7H_DEFAULT);
//#pragma romdata



//high_vector_section  AT  0x8,
#pragma code high_vector_section=0x8
void high_vector (void)
{
_asm
GOTO interrupt_handler_high
_endasm
}
#pragma code

//low_vector_section AT 0x18
#pragma code low_vector_section=0x18
void
low_vector (void)
{
_asm
GOTO interrupt_handler_low
_endasm
}
#pragma code


void main(void)
{

	initialize ();
	initialize_io ();
	initialize_eeprom();

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


while(1)

;
}


char  key_scan(void)  //扫描键盘输入的一个字符,返回值
{
/*  RF4   COL0  input
   RF5   COL1
   RF6   COL2
   RF7   COL3
   RF3   ROW0  output
   RF1   ROW1
   RF2   ROW2
*/
int i,j;
   PORTFbits.RF1 = 1;
   PORTFbits.RF2 = 1;
   PORTFbits.RF3 = 1;

//   for(i=0;i<10000000;i++)
	while(outkey_keyboard)
   {
     	 if(PORTFbits.RF4||PORTFbits.RF5||
      	   PORTFbits.RF6||PORTFbits.RF7)
		{		  
			delay(10000);
	         if(PORTFbits.RF4||PORTFbits.RF5||
	            PORTFbits.RF6||PORTFbits.RF7)
	        {
				current_key=keyserve();
			   	PORTFbits.RF1 = 0;
			   	PORTFbits.RF2 = 0;
			   	PORTFbits.RF3 = 0;
	  		 return(1);
			}
			else
			{
			delay(100);
		   	PORTFbits.RF1 = 0;
		   	PORTFbits.RF2 = 0;
		   	PORTFbits.RF3 = 0;
			}

		}
		else
		delay(100);

   }
   return(0);
}


char keyserve(void)
{

   	char keyserve_key;
   	PORTFbits.RF1 = 0;
   	PORTFbits.RF2 = 0;         
   	PORTFbits.RF3 = 1;

   	if(PORTFbits.RF4 == 1)
	{
	   	keyserve_key=1;
		key_stop();
	}
   	else if(PORTFbits.RF5 == 1)
   	{
	   	keyserve_key=4;
		key_stop();
	}
   	else if(PORTFbits.RF6 == 1)
	{
	   	keyserve_key=7;
		key_stop();
	}
   	else if(PORTFbits.RF7 == 1)
	{
	   	keyserve_key=10;
		key_stop();
	}                     //error;


   
   	PORTFbits.RF1 = 1;         
   	PORTFbits.RF2 = 0;
	PORTFbits.RF3 = 0;
   	if(PORTFbits.RF4 == 1)
	{
   	keyserve_key=2;
	key_stop();
	}
   	else if(PORTFbits.RF5 == 1)
	{
   	keyserve_key=5;
	key_stop();
	}
   	else if(PORTFbits.RF6 == 1)
	{
   	keyserve_key=8;
	key_stop();
	}
   	else if(PORTFbits.RF7 == 1)
	{
   	keyserve_key=0;
	key_stop();
	}

   	PORTFbits.RF1 = 0;
   	PORTFbits.RF2 = 1;         
   	PORTFbits.RF3 = 0;

   	if(PORTFbits.RF4 == 1)
	{
   	keyserve_key=3;
	key_stop();
	}
   	if(PORTFbits.RF5 == 1)
	{
   	keyserve_key=6;
	key_stop();
	}
   	if(PORTFbits.RF6 == 1)
	{
   	keyserve_key=9;
	key_stop();
	}
   	if(PORTFbits.RF7 == 1)
	{
   	keyserve_key=20;
	key_stop();
	}


return(keyserve_key);
}

void key_stop()
{
   while(1)
   {
      if(PORTFbits.RF4||PORTFbits.RF5||
         PORTFbits.RF6||PORTFbits.RF7)
		  delay(100);
	else
		{
		  delay(10000);
         if(PORTFbits.RF4||PORTFbits.RF5||
            PORTFbits.RF6||PORTFbits.RF7)
		delay(100);
		else
         break;
		}    

}

}




char epprom_read(int epprom_r_addr)
{


   EEADRH = 0;                  //Upper bits of Data Memory Address to write
   EEADR = epprom_r_addr;         //Lower bits of Data Memory Address to write

   EECON1bits.EEPGD = 0;          //Point to DATA memory
   EECON1bits.CFGS = 0;          //   Access EEPROM
   EECON1bits.RD = 1;;          //EEPROM Read
   return(EEDATA);
}


void epprom_write(int epprom_w_addr,int epprom_w_data)
{
   EEADRH = 0;                     //Upper bits of Data Memory Address to write

   EEADR =  epprom_w_addr;          //Lower bits of Data Memory Address to write
   EEDATA = epprom_w_data;          //Data Memory Value to write

   EECON1bits.EEPGD = 0;             //Point to DATA memory
   EECON1bits.CFGS = 0;             //   Access EEPROM
   EECON1bits.WREN = 1;             // Enable writes
   	
   INTCONbits.GIE = 0;             // Disable Interrupts
	INTCONbits.PEIE=0;
   EECON2 = 0x55;                   //Write 55h
   EECON2 = 0xAA;                   //Write 0AAh

   EECON1bits.WR = 1 ;             	//Set WR bit to begin write
   INTCONbits.GIE = 1;             	//Enable Interrupts
	INTCONbits.PEIE=1;
      while (!PIR2bits.EEIF) 		// WRITE step #8
      ;
      PIR2bits.EEIF = 0;		 	// WRITE step #9 
   EECON1bits.WREN = 0;             //Disable writes on write complete (EEIF set)
}


void sound_buzzer(int sound)
{
  unsigned char fre_repeat,s_max,s_min;
  int i,j;
//同一频率重复次数,最高频率，最低频率，循环变量i，j

	vcc_io2 = 1;				//buzz and dsp
  fre_repeat= sound;                              //同一频率循环4次
  s_max=0x93;                                //声音最高频率
  s_min=0x47;                                //声音最低频率
	if(sound==0)
	sound=1;
	if(sound_enable)
  for(i=s_max-s_min;i>0;i--)                 //输出最高频率与最低频率内的每一个频率的声音
     {
         for(j=fre_repeat;j>0;j--)           //每个声音循环4次
            {
                buzz=1;                       //输出声音
                delay(s_min+i);     		   //延长一段时间
                buzz=0;                       //关闭声音
                delay(s_min+i);      		  //延长一段时间
             }
      }
}


void mot_move_open()
{
	//判断是否打开到位
	int i;
	if(pos_open == 0&&pos_lock==0)			 	//没有到位
	{
		for(i=0;i<10;i++)
		{
			if(pos_open == 0 )
			{
				vcc_kid=1;					//kid 电源打开
				mot_down=1;					//反转
				mot_up = 0;					//正转
				sound_buzzer(4);			
				delay(100000);				//需要调整的时间
			}		
		}
		if(pos_open == 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 mot_move_close()
{
	//判断是否到位
	int i;
	if(pos_close == 0&&pos_lock==0)			 	//没有到位
	{
		for(i=0;i<10;i++)
		{
			if(pos_close == 0 )
			{
				vcc_kid=1;					//kid 电源打开
				mot_down=0;					//反转
				mot_up = 1;					//正转
				sound_buzzer(4);
				delay(100000);
			}
		}