AT89S51-remote-control-locks.rar

#include <reg52.h> #include <intrins.h> #include<absacc.h rel='nofollow' onclick='return false;'> #include"44key.c" #include"1602.c" #include"2402.c" #include"hongwai.c" #define DEFAULT 0 #define UNLOCK 1 #define INPUT_PASSWORD 14 #define SET_PASSWORD 15 #define TRUE 1 #define FALSE 0 uchar zhi,flag=0,flag1=0; uchar counter1=0; sbit BEEP=P0^0; sbit red=P0^1; sbit yellow=P0^2; sbit green=P0^3; unsigned char password[8]={1,2,3,4,5,6,7,8}; char code input[]="Input Password:"; char code old_password[]="Old Password:"; char code new_password[]="New Password:"; char code confirm[]="Input Again:"; unsigned char guess[8]={0,0,0,0,0,0,0,0}; unsigned char temp[8] ={0,0,0,0,0,0,0,0}; unsigned char temp1[8]={0,0,0,0,0,0,0,0}; uchar keyscan(); int ifkeydown(); void beep() { BEEP=0; delay2(1); BEEP=1; } int get_password() { uchar counter; for(counter=0;counter<9;counter++) { delay2(50); if(counter<8) { do{ displayonechar(counter,1,'_'); delay2(100); if(flag1) { while(RE_DATA); CheckRE(); keyvalue=Recived_Data; } else { while(!ifkeydown()); keyscan(); } } while(keyvalue==0xff); if((keyvalue!=13)&&(keyvalue!=12)) { // displayonechar(counter,1,'*'); displayonechar(counter,1,dis_num[keyvalue]); guess[counter]=keyvalue; } if(keyvalue==13) { if(counter>0) { displayonechar(--counter,1,'_'); guess[counter]=0x00; // displayonechar(counter,1,' '); counter--; } } if(keyvalue==12) { flag1=0; coordinate(0,1); return( 0); } } if(counter==8) { do{ if(flag1==1) { while(RE_DATA); CheckRE(); keyvalue=Recived_Data; } else { while(!ifkeydown()); keyscan(); } }while((keyvalue!=13)&&(keyvalue!=12)); if(keyvalue==13) { displaymorechar(counter,1," "); displayonechar(--counter,1,'_'); guess[counter]=0x00; // displayonechar(counter,1,' '); counter--; } if(keyvalue==12) { flag1=0; return(1); } } } } int check_password() { char i; i=0; ClearLCD(); while ((guess[i]==password[i]) && (i < 8)) i++; if (i==8) return(TRUE); else return(FALSE); } int input_new_password() { unsigned char i,j; ClearLCD(); displaymorechar(0,0,new_password); if(get_password()) { for(i=0;i<8;i++) temp[i]=guess[i]; } else return(FALSE); ClearLCD(); displaymorechar(0,0,confirm); if(get_password()) { for(i=0;i<8;i++) temp1[i]=guess[i]; } else return(FALSE); i=0; while(!(keyscan()==12)); ClearLCD(); while ((temp1[i]==temp[i]) && (i < 8)) i++; if (i==8) { for(j=0;j<8;j++) { password[j]=temp[j]; } write_page_data_to_24C02(0xA0,0,password); return(TRUE); } else return(FALSE); } void display() { int k=0; switch (keyvalue) { case INPUT_PASSWORD : loop: ClearLCD(); displaymorechar(0,0,input); delay2(50); if(get_password()) { if ( check_password() ) { green=0; displaymorechar(0,0,"Right!"); delay3(3000); ClearLCD(); green=1; } else { red=0; displaymorechar(0,0,"Wrong!"); k++; delay3(30000); red=1; if(k==3) { flag=1; EA=1; ClearLCD(); displaymorechar(0,0,"wait a moment"); while(1); } goto loop; } } else { red=0; ClearLCD(); displaymorechar(0,0,"error!"); delay3(30000); ClearLCD(); red=1; } break; case SET_PASSWORD : //beep(); ClearLCD(); displaymorechar(0,0,old_password); if(get_password()) { if ( check_password() ) if( input_new_password() ) { displaymorechar(2,0,"password has"); displaymorechar(2,1,"been changed!"); } else { yellow=0; ClearLCD(); displaymorechar(0,0,"Fail!"); delay3(30000); yellow=1; } else red=0; displaymorechar(0,0,"Wrong!"); delay3(3000); ClearLCD(); red=1; } else { red=0; ClearLCD(); displaymorechar(0,0,"error!"); delay3(3000); ClearLCD(); red=1; } break; } } void time0(void) interrupt 1 { TR0=0; TH0=0x3C; TL0=0xB0; if(flag) { counter1++; if(counter1==100) { TR0=1; EA=1; flag=0; counter1=0; ClearLCD(); displaymorechar(0,0,"rest success!"); delay3(30000); (*(void(*)())0)(); } } TR0=1; } void main (void) { int i; RE_DATA=1; TMOD=0x01; TH0=0x3C; TL0=0xB0; TR0=1; ET0=1; EA=0; ClearLCD(); startset(); displaymorechar(4,0,"welcome"); displaymorechar(3,1,"mi ma suo"); read_page_data_from_24C02(0xA0,0); for(i=0;i<8;i++) { password[i]=a[i]; } while(1) { if(RE_DATA==0) { flag1=1; CheckRE(); keyvalue=Recived_Data; display(); } displaymorechar(4,0,"welcome"); keyscan(); display(); } }