单片机的密码锁设计-课程设计

#include<reg51.h> #include<intrins.h> #define uchar unsigned char #define uint unsigned int sbit ST=P1^0; //启动转换位 sbit OE=P1^1; //输出允许位 sbit ALE=P1^2; //地址允许锁存位 sbit EOC=P1^3; //转换结束位 sbit CLK=P1^4; //时钟 sbit BUZ=P1^6; sbit RED=P1^5; sbit GREEN = P1^7; long datas,bai,she,ge; uchar code_num; uchar key_val=0xff; //定义键值，初始默认为0 uchar key_flag; uchar i; uchar duan; uchar code num[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x0}; //不带点的数字 uchar code num_dot[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed}; //带点的数字 uchar code wei[]={0XFE,0xFd,0xFb,0xF7,0XEF,0xDF,0xBF,0x7F}; //位码 uchar mima[8]={10, 10, 10, 10, 10, 10, 10, 10}; uchar code mima_init[8]={8, 8, 8, 8, 8, 8, 8, 8}; //初始密码修改处 void delay(uint z) { uchar i; while(z--) for(i=0;i<120;i++); } void display() { uchar i=0; for(i=0;i<8;i++) { P2= wei[i]; P0= num[mima[i]]; delay(2); } } uchar temp,i,m,s=0,s1,s2,s3,s4,s5; uchar code table[]={0xc0,0xf9,0xa4,0xb0,0x99, 0x92,0x82,0xf8,0x80,0x90, 0x88,0x83,0xc6,0xa1,0x86, 0x8e}; void display(uchar a); void delay(uint z); void keyscan(); void keyin(uchar zhi,uchar a,uchar b,uchar c,uchar d); /****************** 显示函数 *******************/ void disp(uchar a) { if(s==1){P1=0x20;P0=table[a];s1=table[a];delay(1);} if(s==2){P1=0x10;P0=s1;delay(1); P1=0x20;P0=table[a];s2=table[a];delay(1);} if(s==3){P1=0x08;P0=s1;delay(1); P1=0x10;P0=s2;delay(1); P1=0x20;P0=table[a];s3=table[a];delay(1);} if(s==4){P1=0x04;P0=s1;delay(1); P1=0x08;P0=s2;delay(1); P1=0x10;P0=s3;delay(1); P1=0x20;P0=table[a];s4=table[a];delay(1);} if(s==5){P1=0x02;P0=s1;delay(1); P1=0x04;P0=s2;delay(1); P1=0x08;P0=s3;delay(1); P1=0x10;P0=s4;delay(1); P1=0x20;P0=table[a];s5=table[a];delay(1);} if(s==6){P1=0x01;P0=s1;delay(1); P1=0x02;P0=s2;delay(1); P1=0x04;P0=s3;delay(1); P1=0x08;P0=s4;delay(1); P1=0x10;P0=s5;delay(1); P1=0x20;P0=table[a];delay(1);} if(s>6){s=1;}if(s==1){P1=0x20;P0=table[a];s1=table[a];delay(1);} if(s==2){P1=0x10;P0=s1;delay(1); P1=0x20;P0=table[a];s2=table[a];delay(1);} if(s==3){P1=0x08;P0=s1;delay(1); P1=0x10;P0=s2;delay(1); P1=0x20;P0=table[a];s3=table[a];delay(1);} if(s==4){P1=0x04;P0=s1;delay(1); P1=0x08;P0=s2;delay(1); P1=0x10;P0=s3;delay(1); P1=0x20;P0=table[a];s4=table[a];delay(1);} if(s==5){P1=0x02;P0=s1;delay(1); P1=0x04;P0=s2;delay(1); P1=0x08;P0=s3;delay(1); P1=0x10;P0=s4;delay(1); P1=0x20;P0=table[a];s5=table[a];delay(1);} if(s==6){P1=0x01;P0=s1;delay(1); P1=0x02;P0=s2;delay(1); P1=0x04;P0=s3;delay(1); P1=0x08;P0=s4;delay(1); P1=0x10;P0=s5;delay(1); P1=0x20;P0=table[a];delay(1);} if(s>6){s=1;}if(s==1){P1=0x20;P0=table[a];s1=table[a];delay(1);} if(s==2){P1=0x10;P0=s1;delay(1); P1=0x20;P0=table[a];s2=table[a];delay(1);} if(s==3){P1=0x08;P0=s1;delay(1); P1=0x10;P0=s2;delay(1); P1=0x20;P0=table[a];s3=table[a];delay(1);} if(s==4){P1=0x04;P0=s1;delay(1); P1=0x08;P0=s2;delay(1); P1=0x10;P0=s3;delay(1); P1=0x20;P0=table[a];s4=table[a];delay(1);} if(s==5){P1=0x02;P0=s1;delay(1); P1=0x04;P0=s2;delay(1); P1=0x08;P0=s3;delay(1); P1=0x10;P0=s4;delay(1); P1=0x20;P0=table[a];s5=table[a];delay(1);} if(s==6){P1=0x01;P0=s1;delay(1); P1=0x02;P0=s2;delay(1); P1=0x04;P0=s3;delay(1); P1=0x08;P0=s4;delay(1); P1=0x10;P0=s5;delay(1); P1=0x20;P0=table[a];delay(1);} if(s>6){s=1;} } void keyin(uchar zhi,uchar a,uchar b,uchar c,uchar d); /****************** 键扫描函数 *******************/ void keyscan() { P3=0xff; keyin(0xfe,0,1,2,3); keyin(0xfd,4,5,6,7); keyin(0xfb,8,9,10,11); keyin(0xf7,12,13,14,15); } /****************** 键输入函数 *******************/ void keyin(uchar zhi,uchar a,uchar b,uchar c,uchar d) { uchar temp,m,s,flag; P3=zhi; temp=P3; temp=P3&0xf0; if(temp!=0xf0) { delay(10); temp=P3; temp=P3&0xf0; if(temp!=0xf0) { temp=P3; temp=P3&0xf0; switch(temp) { case(0xe0):m=a;break; case(0xd0):m=b;break; case(0xb0):m=c;break; case(0x70):m=d;break; default:break; } flag=1; delay(200); s++;if(s>6)s=1; } delay(10); } P3=zhi; temp=P3; temp=P3&0xf0; if(temp!=0xf0) { delay(10); temp=P3; temp=P3&0xf0; if(temp!=0xf0) { temp=P3; temp=P3&0xf0; switch(temp) { case(0xe0):m=a;break; case(0xd0):m=b;break; case(0xb0):m=c;break; case(0x70):m=d;break; default:break; } flag=1; delay(200); s++;if(s>6)s=1; } delay(10); } P3=zhi; temp=P3; temp=P3&0xf0; if(temp!=0xf0) { delay(10); temp=P3; temp=P3&0xf0; if(temp!=0xf0) { temp=P3; temp=P3&0xf0; switch(temp) { case(0xe0):m=a;break; case(0xd0):m=b;break; case(0xb0):m=c;break; case(0x70):m=d;break; default:break; } flag=1; delay(200); s++;if(s>6)s=1; } delay(10); } P3=zhi; temp=P3; temp=P3&0xf0; if(temp!=0xf0) {