51单片机密码锁程序为什么烧录没有成功？ -

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
uchar old1,old2,old3,old4,old5,old6; //??????000000
uchar new1,new2,new3,new4,new5,new6; //???MCU???????????????
uchar a=16,b=16,c=16,d=16,e=16,f=16; //?????????????????
uchar wei,key,temp;
bit allow,genggai,ok,wanbi,retry,close; //??????λ
sbit dula=P2^6;
sbit wela=P2^7;
sbit beep=P2^3;
unsigned char code table[]=
{0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,
0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,0x40};
void delay(unsigned char i)
{
uchar j,k;
for(j=i;j>0;j--)
for(k=125;k>0;k--);
}
void display(uchar a,uchar b,uchar c,uchar d,uchar e,uchar f)
{
dula=0;
P0=table[a];
dula=1;
dula=0;
wela=0;
P0=0xfe;
wela=1;
wela=0;
delay(5);
P0=table[b];
dula=1;
dula=0;
P0=0xfd;
wela=1;
wela=0;
delay(5);
P0=table[c];
dula=1;
dula=0;
P0=0xfb;
wela=1;
wela=0;
delay(5);
P0=table[d];
dula=1;
dula=0;
P0=0xf7;
wela=1;
wela=0;
delay(5);
P0=table[e];
dula=1;
dula=0;
P0=0xef;
wela=1;
wela=0;
delay(5);
P0=table[f];
dula=1;
dula=0;
P0=0xdf;
wela=1;
wela=0;
delay(5);
}
void keyscan()
{
{
P3=0xfe;
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
delay(10);
if(temp!=0xf0)
{
temp=P3;
switch(temp)
{
case 0xee:
key=0;
wei++;
break;
case 0xde:
key=1;
wei++;
break;
case 0xbe:
key=2;
wei++;
break;
case 0x7e:
key=3;
wei++;
break;
}
while(temp!=0xf0)
{
temp=P3;
temp=temp&0xf0;
beep=0;
}
beep=1;
}
}
P3=0xfd;
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
delay(10);
if(temp!=0xf0)
{
temp=P3;
switch(temp)
{
case 0xed:
key=4;
wei++;
break;
case 0xdd:
key=5;
wei++;
break;
case 0xbd:
key=6;
wei++;
break;
case 0x7d:
key=7;
wei++;
break;
}
while(temp!=0xf0)
{
temp=P3;
temp=temp&0xf0;
beep=0;
}
beep=1;
}
}
P3=0xfb;
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
delay(10);
if(temp!=0xf0)
{
temp=P3;
switch(temp)
{
case 0xeb:
key=8;
wei++;
break;
case 0xdb:
key=9;
wei++;
break;
case 0xbb:
genggai=1;
wei=0;
break;
case 0x7b:
if(allow)
ok=1;
break;
}
while(temp!=0xf0)
{
temp=P3;
temp=temp&0xf0;
beep=0;
}
beep=1;
}
}
P3=0xf7;
temp=P3;
temp=temp&0xf0;
if(temp!=0xf0)
{
delay(10);
if(temp!=0xf0)
{
temp=P3;
switch(temp)
{
case 0xe7:
retry=1;
break;
case 0xd7:
close=1;
break;
}
while(temp!=0xf0)
{
temp=P3;
temp=temp&0xf0;
beep=0;
}
beep=1;
}
}
}
}
void shumima() //??????????????????з???
{
if(!wanbi)
{
switch(wei)
{
case 1:new1=key;
if(!allow) a=17;
else a=key; break;
case 2:new2=key;
if(a==17) b=17;
else b=key; break;
case 3:new3=key;
if(a==17) c=17;
else c=key; break;
case 4:new4=key;
if(a==17) d=17;
else d=key; break;
case 5:new5=key;
if(a==17) e=17;
else e=key; break;
case 6:new6=key;
if(a==17) f=17;
else f=key;
wanbi=1; break;
}
}
}
void yanzheng() //?????????????
{
if(wanbi) //??е???λ????????????????????
{
if((new1==old1)&(new2==old2)&(new3==old3)&(new4==old4)&(new5==old5)&(new6==old6))
allow=1; //????????????????????allowe???
}
}
void main()
{
while(1)
{
keyscan();
shumima();
yanzheng();
if(allow) //????????allow?1??????
{
P1=0x00;
if(!genggai)
wanbi=0;
}
if(genggai) //??S16??????????????￡?genggai?????
{
if(allow) //????????????????и???????????
{
while(!wanbi) //???μ???λ????????趨???????????????
{
keyscan();
shumima();
if(retry|close) //????????????S18??????????????S19???????????????
{ wanbi=1;
break;
}
display(a,b,c,d,e,f);
}
}
}
if(ok) //???????????????????λ??????????????????????′???????????????
{ //????????′????Ч
ok=0; wei=0;
genggai=0;
old1=new1;old2=new2;old3=new3; //??????????????????
old4=new4;old5=new5;old6=new6;
a=16;b=16;c=16;d=16;e=16;f=16;
}
if(retry) //?????????S18?????￡?retry????λ
{
retry=0; wei=0;wanbi=0;
a=16;b=16;c=16;d=16;e=16;f=16;
new1=0;new2=0;new3=0;new4=0;new5=0;new6=0;
}
if(close) //????????????????????￡?close????λ
{
close=0;genggai=0;//???б???????????
wei=0; wanbi=0;
allow=0;
P1=0xff;
a=16;b=16;c=16;d=16;e=16;f=16;
new1=0;new2=0;new3=0;new4=0;new5=0;new6=0;
}
display(a,b,c,d,e,f); //?????
}
}

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