单片机电子密码锁源代码

来源：互联网发布：淘宝类目分析表格编辑：程序博客网时间：2024/04/30 22:47
#include <reg51.h>  sbit P0_0=P0^0;sbit P0_1=P0^1;sbit P3_6=P3^6;sbit P3_7=P3^7;unsigned char code ps[]={1,2,3,4,5}; unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66,                                0x6d,0x7d,0x07,0x7f,0x6f,0x00,0x40};   unsigned char pslen=9; unsigned char templen; unsigned char digit; unsigned char funcount; unsigned char digitcount; unsigned char psbuf[9]; bit cmpflag; bit hibitflag; bit errorflag; bit rightflag; unsigned int second3; unsigned int aa; unsigned int bb; bit alarmflag; bit exchangeflag; unsigned int cc; unsigned int dd; bit okflag; unsigned char oka; unsigned char okb;   void main(void) {   unsigned char i,j;       P2=dispcode[digitcount];   TMOD=0x01;   TH0=(65536-500)/256;   TL0=(65536-500)%256;   TR0=1;   ET0=1;   EA=1;     while(1)     {       if(cmpflag==0)         {           if(P3_6==0) //function key             {               for(i=10;i>0;i--)               for(j=248;j>0;j--);               if(P3_6==0)                 {                   if(hibitflag==0)                     {                       funcount++;                       if(funcount==pslen+2)                         {                           funcount=0;                           cmpflag=1;                          }                        P1=dispcode[funcount];                     }                     else                       {                          second3=0;                       }                   while(P3_6==0);                 }             }             if(P3_7==0) //digit key             {               for(i=10;i>0;i--)               for(j=248;j>0;j--);               if(P3_7==0)                 {                   if(hibitflag==0)                     {                       digitcount++;                                            if(digitcount==10)                         {                           digitcount=0;                         }                       P2=dispcode[digitcount];                       if(funcount==1)                         {                           pslen=digitcount;                           templen=pslen;                         }                         else if(funcount>1)                           {                             psbuf[funcount-2]=digitcount;                           }                     }                     else                       {                         second3=0;                       }                   while(P3_7==0);                 }             }         }         else           {             cmpflag=0;             for(i=0;i<pslen;i++)               {                 if(ps[i]!=psbuf[i])                   {                     hibitflag=1;                     i=pslen;                     errorflag=1;                     rightflag=0;                     cmpflag=0;                     second3=0;                     goto a;                   }               }             cc=0;             errorflag=0;             rightflag=1;             hibitflag=0; a:          cmpflag=0;           }       } }   void t0(void) interrupt 1 using 0 {   TH0=(65536-500)/256;   TL0=(65536-500)%256;     if((errorflag==1) && (rightflag==0))     {       bb++;       if(bb==800)         {           bb=0;           alarmflag=~alarmflag;         }       if(alarmflag==1)         {           P0_0=~P0_0;         }         aa++;       if(aa==800)         {           aa=0;           P0_1=~P0_1;         }       second3++;       if(second3==6400)         {           second3=0;           hibitflag=0;           errorflag=0;           rightflag=0;           cmpflag=0;           P0_1=1;           alarmflag=0;           bb=0;           aa=0;         }     }     if((errorflag==0) && (rightflag==1))     {       P0_1=0;       cc++;       if(cc<1000)         {           okflag=1;         }         else if(cc<2000)           {             okflag=0;           }           else             {               errorflag=0;               rightflag=0;               hibitflag=0;               cmpflag=0;               P0_1=1;               cc=0;               oka=0;               okb=0;               okflag=0;               P0_0=1;             }       if(okflag==1)         {           oka++;           if(oka==2)             {               oka=0;               P0_0=~P0_0;             }         }         else           {             okb++;             if(okb==3)               {                 okb=0;                 P0_0=~P0_0;               }           }     } }