电子密码锁的电路设计hsb

-.z侯少博QQ：604150086实现功能：输入正确密码绿灯亮，输入错误密码报警并且红灯亮，可以输入三次密码。C程序：*include<reg52.h>*defineucharunsignedchar*defineuintunsignedintsbitlcdrs=P1^0; //液晶数据、指令端sbitwr=P1^1; //读、写端sbitlcden=P1^2; //液晶使能端sbitgreen_light=P1^3; //绿灯1灭，0亮sbitspeaker=P1^4; //扬声器0响sbitred_light=P1^5; //红灯1灭，0亮ucharcodetable[]={"enterpassword:"}; ucharcodetable1[]={"error!tryagain:"}; ucharcodetable2[]={"wele!!!"}; ucharcodetable4[]={"setpassword:"}; ucharcodetable5[]={"inputagain:"}; ucharcodetable6[]={"badluck!"}; ucharcodetable7[]={"getout!!"}; ucharcodetable8[]={"setsucceed"}; bitflag,flag1,flag2,flag3,flag4,flag5,rst;ucharkey,count;voiddelayms(uint*){ uinti,j; for(i=*;i>0;i--) //延时函数 for(j=110;j>0;j--);}voidwrite_(uchar) //液晶写指令函数{ wr=0; lcdrs=0; P2=; delayms(5); lcden=1; delayms(5); lcden=0;}voidwrite_data(uchardate) //液晶写数据函数{ wr=0; lcdrs=1; P2=date; delayms(5); lcden=1; delayms(5); lcden=0;} //液晶初始化函数voidlcdinit(){ lcden=0; write_(0*38); write_(0*06); write_(0*0f); write_(0*01);}voidkeyscan() //键盘扫描函数{ uchartemp; P3=0*fe; if(P3!=0*fe) { delayms(8); if(P3!=0*fe) { temp=0*f0&P3; switch(temp) { case0*e0:key=0;flag5=1;break; //数字键盘按下时显示‘*‘字符，把对应的数字放入数组中 case0*d0:key=1;flag5=1;break; //flag5为1时才能把数据放进数组，只是为了防止删减密码 case0*b0:key=2;flag5=1;break; //时把key的值装进已输入正确的密码中 case0*70:key=3;flag5=1;break; } while(P3!=0*fe); write_data('*'); count++; } } P3=0*fd; if(P3!=0*fd) { delayms(8); if(P3!=0*fd) { temp=0*f0&P3; switch(temp) { case0*e0:key=4;flag5=1;break; case0*d0:key=5;flag5=1;break; case0*b0:key=6;flag5=1;break; case0*70:key=7;flag5=1;break; } while(P3!=0*fd); write_data('*'); count++; } } P3=0*fb; if(P3!=0*fb) { delayms(8); if(P3!=0*fb) { temp=0*f0&P3; switch(temp) { case0*e0:key=8;write_data('*');flag5=1;count++;break; case0*d0:key=9;write_data('*');flag5=1;count++;break; case0*b0:flag=1;break; case0*70:rst=1;break; } while(P3!=0*fb); } } P3=0*f7; if(P3!=0*f7) { delayms(8); if(P3!=0*f7) { temp=0*f0&P3; switch(temp) { case0*e0: switch(count) { case1:write_(0*c5);write_data('');write_(0*c5);break; //当按下delete键时，往前一个地址显示空字符， case2:write_(0*c6);write_data('');write_(0*c6);break; //再把指针指回前一个地址 case3:write_(0*c7);write_data('');write_(0*c7);break; case4:write_(0*c8);write_data('');write_(0*c8);break; case5:write_(0*c9);write_data('');write_(0*c9);break; case6:write_(0*ca);write_data('');write_(0*ca);break; } if(0<count)count--; //只有在有输入密码的情况下才能删减 break; } while(P3!=0*F7); } }}voidmain(){ uchara[6],b[6],i,num,table3[6]={1,2,3,4,5,6}; //初始化原始密码为“123456 lcdinit(); //液晶初始化 while(1) { keyscan(); //键盘扫描 if(!flag3) { write_(0*0f); //标志位flag3为0时， write_(0*80); //显示“enterpassword：〞字符串for(i=0;i<15;i++) write_data(table[i]); write_(0*c5); //令光标在液晶第二行中间闪烁 flag3=1; //flag3为1时不显示“enterpassword：〞字符串,因为不停扫描此语句时会造成字符串的闪烁 } if(num<=2) //控制密码的输入次数为三次，超过了就不能再输入 { if(flag5) { switch(count) { case1:a[count-1]=key;break; //把输入的六位密码 case2:a[count-1]=key;break; case3:a[count-1]=key;break; case4:a[count-1]=key;break; case5:a[count-1]=key;break; case6:a[count-1]=key;break; } flag5=0; //防止delete键按下时把正确的密码改掉 } if(count==6) //输入的数为够六位执行，密码正确时进入 { if((a[0]==table3[0])&&(a[1]==table3[1])&&(a[2]==table3[2])&&(a[3]==table3[3])&&(a[4]==table3[4])&&(a[5]==table3[5])) { if(!flag4) { write_(0*01); //显示“welconme字符串〞 write_(0*80); for(i=0;i<13;i++) write_data(table2[i]); write_(0*0c); //光标闪烁关闭 green_light=0; delayms(5000); green_light=1; flag=0; flag4=1; rst=0; //清零，执行下面程序 } while(!rst) { keyscan(); if(flag) break; } while(flag) //flag为1时进入修改密码状态 { keyscan(); if(!flag1) { write_(0*01); write_(0*0f); write_(0*80);for(i=0;i<13;i++) //显示“setpassword：〞字符串 write_data(table4[i]); write_(0*c5); count=0; flag1=1; } if(flag5) { switch(count) { case1:table3[count-1]=key;break; case2:table3[count-1]=key;break; case3:table3[count-1]=key;break; case4:table3[count-1]=key;break; case5:table3[count-1]=key;break; case6:table3[count-1]=key;break; } flag5=0; } if(count==6) { if(!flag2) { write_(0*01); //显示“inputagain字符串〞 write_(0*80); for(i=0;i<12;i++) write_data(table5[i]); write_(0*c5); flag2=1; count=0; } while(1) { keyscan(); if(flag5) { switch(count) //再次输入密码 { case1:b[count-1]=key;break; case2:b[count-1]=key;break; case3:b[count-1]=key;break; case4:b[count-1]=key;break; case5:b[count-1]=key;break; case6:b[count-1]=key;break; } flag5=0; } if(count==6) //如果第一次输入的密码和第二次一样，输出“setsucceed〞字符串 { if((b[0]==table3[0])&&(b[1]==table3[1])&&(b[2]==table3[2])&&(b[3]==table3[3])&&(b[4]==table3[4])&&(b[5]==table3[5])) { write_(0*01); write_(0*80); for(i=0;i<13;i++) //显示“setsucceed〞字符串 write_data(table8[i]); write_(0*0c); //光标停顿闪烁 {green_light=0;red_light=0;delayms(5000);red_light=1;green_light=1;} flag=0; //所有标志位从新清零 flag1=0; flag2=0; flag3=0; flag4=0; count=0; num=0; while(!rst)keyscan(); } else { //当进入修改状态第二次输入的密码和第一次不一样时再次输入，知道一样为止 count=0; write_(0*01); write_(0*80); for(i=0;i<12;i++)