lock.c

电子密码锁毕业设计

#include "reg51.h"

#include "lcd1602.c"

#include "keydriver.c"
sbit P3_0=P3^0;
sbit P3_3=P3^3;
//sbit P3_0=P3^0;
unsigned char count,i;
unsigned char a[10];


unsigned char password[4][10]={1,2,3,4,5,6,7,8,9,0,
							   		2,4,5,6,7,8,2,3,4,7,
							   		4,5,6,3,2,1,1,7,8,9,
							   		0,9,8,7,6,5,4,3,2,1};

//报告结果
void  report(unsigned char flag)
{
	a[10]=0;
	if(flag==0)
	{	
		printf_char(1,10,"right%d") ;
		P3_0=0;
	    delay(60000);delay(60000);
				
		P3_0=1;
		LCD_CLR();
	}
	else
	{
		printf_char(1,10,"error%d") ;
		if(count>=3)
			P3_3=1;
				
		delay(60000);delay(60000); 	
		P3_3=0;	
		LCD_CLR();	
	}
}
//回删键
void del(void)
{
	if(i==0)
		return;
	else 
	{  
		a[i]='\0';
		printf_char(2,i," %d"); 
		i--;   				
	}	
}
//改密码
void ch_word(void)
{
	unsigned char recieve=0xff,b[10],j=0;
	LCD_CLR();
	printf_char(1,1,"new_password%d");
	while(recieve!=11)
	{	
		recieve=keypad();
		delay(10000);
		if(recieve<=9&&recieve>=0)
		{
			b[j]=recieve;			
			printf_data(2,j+1,1,recieve);
			j++;
		}
		else if(recieve==12)
		{
			if(j!=0)			
			{  
				a[j]='\0';
				printf_char(2,j," %d"); 
				j--;   				
			}
		} 					
	}
	LCD_CLR();
	if(j==6)
	{
		for(j=0;j<6;j++)
			password[0][j]=b[j];
		printf_char(1,1,"success%d");
	}
	else 
	   	printf_char(1,1,"fail%d");

		delay(60000); delay(60000);
	LCD_CLR();	
}
//功能
void menu(void)
{
	//unsigned char recieve;
	unsigned char number=0;
	unsigned char key_value=100;
	unsigned char ERROR=3;
	unsigned char j=0;
	for(;;)
	{
		
	    number=keypad();			  
		key_value=number;
		while(number!=0XFF)
			number=keypad();
			
		printf_char(1,1,"welcome%d");
			 		  
		if(key_value<=9&&key_value>=0&&i<6)
		{	        
			a[i]=key_value;				
			printf_char(2,i+1,"*%d");	  
			i++;	     
	    } 
		else if(key_value==11)
		{
			for(i=0;i<6;i++)
			{						   
				if(a[i]!=password[0][i]&&a[i]!=password[1][i]&&a[i]!=password[2][i]&&a[i]!=password[3][i])
				{
					ERROR=1;
					count++;
					break;
				 }
				 else 
				 {
					ERROR=0;
					count=0;
				 }
			}
		i=0;
		report(ERROR);
		}	
		else if(key_value==13)
		{
			LCD_CLR();
			a[10]=0;			
		}
		else if(key_value==12)
			  del();
		else if(key_value==14)
		{
		 	  ch_word();
		}  		

		  
 	}  
}

void main(void)
{
	 LCD_CLR();
	 LCD_init();
	 while(1)
	 	menu();
}