#44键盘和8位数码管显示构成的电子密码锁14454.docx
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#44键盘和8位数码管显示构成的电子密码锁14454
C语言源程序
#include
unsignedcharps[]={1,2,3,4,5};
unsignedcharcodedispbit[]={0xfe,0xfd,0xfb,0xf7,
0xef,0xdf,0xbf,0x7f};
unsignedcharcodedispcode[]={0x3f,0x06,0x5b,0x4f,0x66,
0x6d,0x7d,0x07,0x7f,0x6f,
0x77,0x7c,0x39,0x5e,0x79,0x71,
0x00,0x40,0x73,0xff};
unsignedchardispbuf[8]={18,16,16,16,16,16,16,16};
unsignedchardispcount;
unsignedcharflashcount;
unsignedchartemp;
unsignedcharkey;
unsignedcharkeycount;
unsignedcharpslen=5;
unsignedchargetps[6];
bitkeyoverflag;
biterrorflag;
bitrightflag;
unsignedintsecond3;
unsignedintaa,bb;
unsignedintcc;
bitokflag;
bitalarmflag;
bithibitflag;
unsignedcharoka,okb;
voidmain(void)
{
unsignedchari,j;
TMOD=0x01;
TH0=(65536-500)/256;
TL0=(65536-500)%256;
TR0=1;
ET0=1;
EA=1;
while
(1)
{
P3=0xff;
P3_4=0;
temp=P3;
temp=temp&0x0f;
if(temp!
=0x0f)
{
for(i=10;i>0;i--)
for(j=248;j>0;j--);
temp=P3;
temp=temp&0x0f;
if(temp!
=0x0f)
{
temp=P3;
temp=temp&0x0f;
switch(temp)
{
case0x0e:
key=7;
break;
case0x0d:
key=8;
break;
case0x0b:
key=9;
break;
case0x07:
key=10;
break;
}
temp=P3;
P1_1=~P1_1;
if((key>=0)&&(key<10))
{
if(keycount<6)
{
getps[keycount]=key;
dispbuf[keycount+2]=19;
}
keycount++;
if(keycount==6)
{
keycount=6;
}
elseif(keycount>6)
{
keycount=6;
keyoverflag=1;//keyoverflow
}
}
elseif(key==12)//deletekey
{
if(keycount>0)
{
keycount--;
getps[keycount]=0;
dispbuf[keycount+2]=16;
}
else
{
keyoverflag=1;
}
}
elseif(key==15)//enterkey
{
if(keycount!
=pslen)
{
errorflag=1;
rightflag=0;
second3=0;
}
else
{
for(i=0;i{
if(getps[i]!
=ps[i])
{
i=keycount;
errorflag=1;
rightflag=0;
second3=0;
gotoa;
}
}
errorflag=0;
rightflag=1;
a:
i=keycount;
}
}
temp=temp&0x0f;
while(temp!
=0x0f)
{
temp=P3;
temp=temp&0x0f;
}
keyoverflag=0;//?
?
?
?
?
?
?
?
?
}
}
P3=0xff;
P3_5=0;
temp=P3;
temp=temp&0x0f;
if(temp!
=0x0f)
{
for(i=10;i>0;i--)
for(j=248;j>0;j--);
temp=P3;
temp=temp&0x0f;
if(temp!
=0x0f)
{
temp=P3;
temp=temp&0x0f;
switch(temp)
{
case0x0e:
key=4;
break;
case0x0d:
key=5;
break;
case0x0b:
key=6;
break;
case0x07:
key=11;
break;
}
temp=P3;
P1_1=~P1_1;
if((key>=0)&&(key<10))
{
if(keycount<6)
{
getps[keycount]=key;
dispbuf[keycount+2]=19;
}
keycount++;
if(keycount==6)
{
keycount=6;
}
elseif(keycount>6)
{
keycount=6;
keyoverflag=1;//keyoverflow
}
}
elseif(key==12)//deletekey
{
if(keycount>0)
{
keycount--;
getps[keycount]=0;
dispbuf[keycount+2]=16;
}
else
{
keyoverflag=1;
}
}
elseif(key==15)//enterkey
{
if(keycount!
=pslen)
{
errorflag=1;
rightflag=0;
second3=0;
}
else
{
for(i=0;i{
if(getps[i]!
=ps[i])
{
i=keycount;
errorflag=1;
rightflag=0;
second3=0;
gotoa4;
}
}
errorflag=0;
rightflag=1;
a4:
i=keycount;
}
}
temp=temp&0x0f;
while(temp!
=0x0f)
{
temp=P3;
temp=temp&0x0f;
}
keyoverflag=0;//?
?
?
?
?
?
?
?
?
}
}
P3=0xff;
P3_6=0;
temp=P3;
temp=temp&0x0f;
if(temp!
=0x0f)
{
for(i=10;i>0;i--)
for(j=248;j>0;j--);
temp=P3;
temp=temp&0x0f;
if(temp!
=0x0f)
{
temp=P3;
temp=temp&0x0f;
switch(temp)
{
case0x0e:
key=1;
break;
case0x0d:
key=2;
break;
case0x0b:
key=3;
break;
case0x07:
key=12;
break;
}
temp=P3;
P1_1=~P1_1;
if((key>=0)&&(key<10))
{
if(keycount<6)
{
getps[keycount]=key;
dispbuf[keycount+2]=19;
}
keycount++;
if(keycount==6)
{
keycount=6;
}
elseif(keycount>6)
{
keycount=6;
keyoverflag=1;//keyoverflow
}
}
elseif(key==12)//deletekey
{
if(keycount>0)
{
keycount--;
getps[keycount]=0;
dispbuf[keycount+2]=16;
}
else
{
keyoverflag=1;
}
}
elseif(key==15)//enterkey
{
if(keycount!
=pslen)
{
errorflag=1;
rightflag=0;
second3=0;
}
else
{
for(i=0;i{
if(getps[i]!
=ps[i])
{
i=keycount;
errorflag=1;
rightflag=0;
second3=0;
gotoa3;
}
}
errorflag=0;
rightflag=1;
a3:
i=keycount;
}
}
temp=temp&0x0f;
while(temp!
=0x0f)
{
temp=P3;
temp=temp&0x0f;
}
keyoverflag=0;//?
?
?
?
?
?
?
?
?
}
}
P3=0xff;
P3_7=0;
temp=P3;
temp=temp&0x0f;
if(temp!
=0x0f)
{
for(i=10;i>0;i--)
for(j=248;j>0;j--);
temp=P3;
temp=temp&0x0f;
if(temp!
=0x0f)
{
temp=P3;
temp=temp&0x0f;
switch(temp)
{
case0x0e:
key=0;
break;
case0x0d:
key=13;
break;
case0x0b:
key=14;
break;
case0x07:
key=15;
break;
}
temp=P3;
P1_1=~P1_1;
if((key>=0)&&(key<10))
{
if(keycount<6)
{
getps[keycount]=key;
dispbuf[keycount+2]=19;
}
keycount++;
if(keycount==6)
{
keycount=6;
}
elseif(keycount>6)
{
keycount=6;
keyoverflag=1;//keyoverflow
}
}
elseif(key==12)//deletekey
{
if(keycount>0)
{
keycount--;
getps[keycount]=0;
dispbuf[keycount+2]=16;
}
else
{
keyoverflag=1;
}
}
elseif(key==15)//enterkey
{
if(keycount!
=pslen)
{
errorflag=1;
rightflag=0;
second3=0;
}
else
{
for(i=0;i{
if(getps[i]!
=ps[i])
{
i=keycount;
error