复件 h_code.c

用共阴极数码管做的密码锁,可修改密码

#include<intrins.h>
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char

sbit ok=P3^3;
sbit er=P3^2;
sbit su=P3^4;

uchar code table[]={
0x40,0x79,0x24,0x30,
0x19,0x12,0x02,0x78,
0x00,0x10,0x08,0x03,
0x46,0x21,0x06,0x0e,0};

uchar code HELLO[]={
0x09,0x06,0x47,0x47,0x40};
uchar code CD[]={ 0xc6,0xa1};

uchar num,temp,num1,i;


void delay(uint z)//延时程序//
{
	uint x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--);
}

uchar keyscan()    //键盘扫描
{    
   
	P1=0xfe;
	temp=P1;
	temp=temp&0xf0;
	while(temp!=0xf0)
		{
		delay(20);
		temp=P1;
		temp=temp&0xf0;
		while(temp!=0xf0)
		{
			temp=P1;
		switch(temp)
	   {
		case 0xee:num=0;break;
		case 0xde:num=11;break;
		case 0xbe:num=12;break;
		case 0x7e:num=14;break;
        default : break;
		}
        while(temp!=0xf0)
		{
		 temp=P1;
		 temp=temp&0xf0;
		}
	  }
	}

	P1=0xfd;
	temp=P1;
	temp=temp&0xf0;
	while(temp!=0xf0)
	{
		delay(20);
		temp=P1;
		temp=temp&0xf0;
		while(temp!=0xf0)
		{
			temp=P1;
		switch(temp)
		{
		 case 0xed:num=7;break;
		 case 0xdd:num=8;break;
		 case 0xbd:num=9;break;
		 case 0x7d:num=13;break;
         default : break;
		}
        while(temp!=0xf0)
		{
		 temp=P1;
		 temp=temp&0xf0;
		}
	  }
	}
	
	P1=0xfb;
	temp=P1;
	temp=temp&0xf0;
		while(temp!=0xf0)
	{
		delay(20);
		temp=P1;
		temp=temp&0xf0;
		while(temp!=0xf0)
		{
			temp=P1;
		switch(temp)
		{
		 case 0xeb:num=4;break;
		 case 0xdb:num=5;break;
		 case 0xbb:num=6;break;
		 case 0x7b:num=10;break;
         default : break;
		}
         while(temp!=0xf0)
		{
		 temp=P1;
		 temp=temp&0xf0;
		}
	  }
	}

	P1=0xf7;
	temp=P1;
	temp=temp&0xf0;
	while(temp!=0xf0)
	{
		delay(20);
		temp=P1;
		temp=temp&0xf0;
		while(temp!=0xf0)
		{
			temp=P1;
		switch(temp)
		{
		case 0xe7:num=1;break;
		case 0xd7:num=2;break;
		case 0xb7:num=3;break;
		case 0x77:num=15;break;
        default : break;
		}
	while(temp!=0xf0)
		{
		 temp=P1;
		 temp=temp&0xf0;
		}
      }
    }
return num;

}

void hel()  //初始化
{
    num=0;
    while(num!=11)
   {
    
    P2=0x01;
    for(i=0;i<5;i++)
   {
    P0=HELLO[i];
    delay(10);
    P2=_crol_(P2,1);
   }
   num=keyscan();
   
 }
}

void disp(uchar z)//输入界面
{ 
	num1=z;
	while(num1==z)
	{
		num1=keyscan();
		if(num1==z)
	 {
	    ok=1;//熄灭指示灯
	    er=1;
	    su=1;
	    if(z==11||z==13)
	 {
		 for(i=0;i<2;i++)
	   {
	    P0=CD[i];
	    delay(10);
        P2=0X80;
        P2=_crol_(P2,1);
	   }
     }
  }
}
	    /*else 
	  {
	    if(z==14)
	   {
	     
	    for(i=0;i<14;i++)
	     w_data(old_key[i]);
	   }
	   else 
	   {  
	     if (z==15)
       {
	      for(i=0;i<14;i++)
	     w_data(new_key[i]);
         strcpy(min,min1);
	   } }
      }
   num1=0;
   }
   else num1=z;
  }*/
}

void main()
{
	num=18;
	
	hel();
    disp(11);
	/*while(1)
		{
             P2=0x80;
             num=keyscan();
             P0=table[num];
           
          
		}*/
}