#include<reg52.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
#define GPIO_KEY P2
sbit LCD_E=P3^7;
sbit LCD_RW=P3^6;
sbit LCD_RS=P3^5;
sbit beep=P3^4;
uchar table[]="00:00:00";
char keyword1[]={1,2,3,4,5,6};
char table1[5]="pass!";
char table2[6]="wrong!";
char in[6]={-6,-6,-6,-6,-6,-6};
uchar num,miao=0,fen=0,shi=0,x,y,n1=0,n2=0,cmiao=0,cshi=0,cfen=0,i,ge1=0,shi1=0,bai1=0,qian1=0;
char KeyValue=-1,Key1=0,Key2=0;
int s=0;
char flag1=-1,flag2=-1;
char keyword;
uchar i=0,j,a=0;
char flag_pass=-1,flag_beep=-1,c;
void delay5ms();
void write_com(uchar com);
void write_data(uchar dat);
void display(uchar b,uchar dat);
void init1();
void init2();
void Keyscan();
void input();
void show1();
void show2();
char store();
void unlock();
void delay2s();
void main()
{
init1();
beep=1;
while(1)
{
if(flag1==1)
{
if(KeyValue==1)
{
TR0=0;
a++;
KeyValue=-1;
if(a==4)
{
TR0=1;
a=0;
}
}
if(a!=0)
{
if(KeyValue==2)
{
KeyValue=-1;
switch(a)
{
case 1:miao=miao+1;display(0x86,miao);break;
case 2:fen=fen+1;display(0x83,fen); break;
case 3:shi=shi+1;display(0x80,shi); break;
}
}
if(KeyValue==3)
{
KeyValue=-1;
switch(a)
{
case 1:miao=miao-1;display(0x86,miao);break;
case 2:fen=fen-1;display(0x83,fen); break;
case 3:shi=shi-1;display(0x80,shi); break;
}
}
}
}
Keyscan();
input();
unlock();
if(flag_beep==1)
{
beep=0;
}
else
{
beep=1;
}
}
}
void delay5ms() //?? 0us
{
uchar a,b;
for(b=19;b>0;b--)
for(a=130;a>0;a--);
}
void write_com(uchar com)
{
LCD_E=0;
LCD_RW= 0 ;
LCD_RS=0;
P1=com;
delay5ms();
LCD_E=1;
delay5ms();
LCD_E=0;
}
void write_data(uchar dat)
{
LCD_E=0;
LCD_RW=0;
LCD_RS=1;
P1=dat;
delay5ms();
LCD_E=1;
delay5ms();
LCD_E=0;
}
void init1()
{
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
}
void init2()
{
write_com(0x80);
for(num=0;num<8;num++)
{
write_data(table[num]);
}
write_com(0xc0);
for(i=0;i<8;i++)
write_data(table[i]);
TMOD=0X11;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
ET0=1;//????0??
TR0=1;//?????0
ET1=1;//????0??
TR1=1;
EA=1;
}
void display(uchar b,uchar dat)
{
uchar shi,ge;
shi=dat/10;
ge=dat%10;
write_com(b);
delay5ms();
write_data(0x30+shi);
write_data(0x30+ge);
}
void Keyscan()
{
uchar i;
GPIO_KEY=0X0f;
if(GPIO_KEY!=0X0f)
{
delay5ms();
if(GPIO_KEY!=0X0f)
{
switch(GPIO_KEY)
{
case 0x07:KeyValue=12; break ;
case 0x0b:KeyValue=8; break ;
case 0x0d:KeyValue=4; break ;
case 0x0e:KeyValue=0; break ;
}
GPIO_KEY=0XF0;
if(GPIO_KEY!=0XF0)
{
delay5ms();
if(GPIO_KEY!=0XF0)
switch(GPIO_KEY)
{
case 0x70:KeyValue=KeyValue+1;break;
case 0xb0:KeyValue=KeyValue+2;break;
case 0xd0:KeyValue=KeyValue+3;break;
case 0xe0:KeyValue=KeyValue+4;break;
}
while((i<50)&&(GPIO_KEY!=0XF0))
{
delay5ms();
i++;
}
i=0;
}
}
}
}
void input()
{
if(flag_pass==1)
{
if(flag1==1)
{
if(KeyValue==5)
{
KeyValue=-1;
Key2++;
if(Key2==4)
Key2=0;
}
if(Key2!=0)
{
if(KeyValue==6)
{
KeyValue=-1;
switch(Key2)
{
case 1:cmiao=cmiao+1;display(0xc6,cmiao);break;
case 2:cfen=cfen+1;display(0xc3,cfen);break;
case 3:cshi=cshi+1;display(0xc0,cshi);break;
}
}
if(KeyValue==7)
{
KeyValue=-1;
switch(Key2)
{
case 1:cmiao=cmiao-1;display(0xc6,cmiao);break;
case 2:cfen=cfen-1;display(0xc3,cfen);break;
case 3:cshi=cshi-1;display(0xc0,cshi);break;
}
}
}
if(KeyValue==9)
{
KeyValue=-1;
s++;
}
if(KeyValue==10)
{
KeyValue=-1;
s--;
}
if(KeyValue==13)
{
flag2=1;
}
if(KeyValue==14)
{
flag2=2;
}
if(miao==cmiao&&fen==cfen&&shi==cshi&&Key2==0)
{
flag_beep=1;
c=KeyValue;
}
if(c!=KeyValue)
{
flag_beep=-1;
}
show1();
show2();
}
if(KeyValue==4)
{
KeyValue=-1;
init1();
init2();
flag1=1;
}
if(KeyValue==8)
{
KeyValue=-1;
TR1=1;
}
if(KeyValue==12)
{
KeyValue=-1;
TR1=0;
}
}
}
void unlock()
{
uchar s1,m;
char flag[6]={-1,-1,-1,-1,-1,-1};
if(flag_pass==-1)
{
if(KeyValue==2&&flag!=1)
{
for(s1=0;s1<6;s1++)
{
if(in[s1]==keyword1[s1])
flag[s1]=1;
else
flag[s1]=0;
}
if(flag[0]==1&&flag[1]==1&&flag[2]==1&&flag[3]==1&&flag[4]==1&&flag[5]==1)
{
flag_pass=1;
write_com(0x80);
for(m=0;m<5;m++)
write_data(table1[m]);
}
else
{
write_com(0x80);
flag_pass=-1;
for(m=0;m<6;m++)
write_data(table2[m]);
}
}
if(KeyValue!=-1&&flag1!=1)
{
if(KeyValue!=1)
{
in[i]=store();
i++;
KeyValue=-1;
}
if(KeyValue==1)
{
i--;
in[i]=-6;
KeyValue=-1;
}
}
write_com(0xc0);
for(j=0;j<6;j++)
{
write_data(in[j]+0x30);
}
}
else ;
}
void show1()
{
if(n1>19) //????????
{
n1=0;
miao++;
if(miao>59)
{
miao=0;
fen++;
if(fen>59)
{
fen=0;
shi++;
if(shi>23)
{
shi=0;
}
display(0x80,shi);
}
display(0x83,fen);
}
display(0x86,miao);
}
}
void show2()
{
if(n2>19)
{
if(flag2==1)
{
s++;
}
if(flag2==2)
{
s--;
}
n2=0;
}
if(s<0)
s=0;
qian1=s/1000;
bai1=s%1000/100;
shi1=s%100/10;
ge1=s%10;
write_com(0xc9);
write_data(qian1+0x30);
write_com(0xca);
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