我的51單片機用的stc89c52的芯片，用下面的密碼鎖程序為什么燒錄沒有成功
- #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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