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能實現密碼鎖功能，輸入錯誤報警等
#include <REG51.h>
#include<intrins.h>
#define LCM_Data P0
#define uchar unsigned char
#define uint unsigned int
#define w 6 //??????
sbit lcd1602_rs=P2^7;
sbit lcd1602_rw=P2^6;
sbit lcd1602_en=P2^5;
sbit Scl=P3^4; //24C02????
sbit Sda=P3^5; //24C02????
sbit ALAM = P2^1; //??
sbit KEY = P3^6; //??
sbit open_led=P2^2; //?????
bit operation=0; //?????
bit pass=0; //??????
bit ReInputEn=0; //????????
bit s3_keydown=0; //3??????
bit key_disable=0; //??????
unsigned char countt0,second; //t0?????,????
void Delay5Ms(void);
unsigned char code a[]={0xFE,0xFD,0xFB,0xF7}; //???????
unsigned char code start_line[] = {"password: "};
unsigned char code name[] = {"===Coded Lock==="}; //????
unsigned char code Correct[] = {" correct "}; //????
unsigned char code Error[] = {" error "}; //????
unsigned char code codepass[] = {" pass "};
unsigned char code LockOpen[] = {" open "}; //OPEN
unsigned char code SetNew[] = {"SetNewWordEnable"};
unsigned char code Input[] = {"input: "}; //INPUT
unsigned char code ResetOK[] = {"ResetPasswordOK "};
unsigned char code initword[] = {"Init password..."};
unsigned char code Er_try[] = {"error,try again!"};
unsigned char code again[] = {"input again "};
unsigned char InputData[6]; //???????
unsigned char CurrentPassword[6]={1,3,1,4,2,0}; //?????
unsigned char TempPassword[6];
unsigned char N=0; //????????
unsigned char ErrorCont; //??????
unsigned char CorrectCont; //??????
unsigned char ReInputCont; //??????
unsigned char code initpassword[6]={0,0,0,0,0,0};
//=====================5ms??==============================
void Delay5Ms(void)
{
unsigned int TempCyc = 5552;
while(TempCyc--);
}
//===================400ms??==============================
void Delay400Ms(void)
{
unsigned char TempCycA = 5;
unsigned int TempCycB;
while(TempCycA--)
{
TempCycB=7269;
while(TempCycB--);
}
}
//================================24C02=========================================
void mDelay(uint t) //??
{
uchar i;
while(t--)
{
for(i=0;i<125;i++)
{;}
}
}
void Nop(void) //???
{
_nop_();
_nop_();
_nop_();
_nop_();
}
/*????*/
void Start(void)
{
Sda=1;
Scl=1;
Nop();
Sda=0;
Nop();
}
/*????*/
void Stop(void)
{
Sda=0;
Scl=1;
Nop();
Sda=1;
Nop();
}
/*???*/
void Ack(void)
{
Sda=0;
Nop();
Scl=1;
Nop();
Scl=0;
}
/*?????*/
void NoAck(void)
{
Sda=1;
Nop();
Scl=1;
Nop();
Scl=0;
}
/*???????,Data????????*/
void Send(uchar Data)
{
uchar BitCounter=8;
uchar temp;
do
{
temp=Data;
Scl=0;
Nop();
if((temp&0x80)==0x80)
Sda=1;
else
Sda=0;
Scl=1;
temp=Data<<1;
Data=temp;
BitCounter--;
}
while(BitCounter);
Scl=0;
}
/*???????,???????*/
uchar Read(void)
{
uchar temp=0;
uchar temp1=0;
uchar BitCounter=8;
Sda=1;
do{
Scl=0;
Nop();
Scl=1;
Nop();
if(Sda)
temp=temp|0x01;
else
temp=temp&0xfe;
if(BitCounter-1)
{
temp1=temp<<1;
temp=temp1;
}
BitCounter--;
}
while(BitCounter);
return(temp);
}
void WrToROM(uchar Data[],uchar Address,uchar Num)
{
uchar i;
uchar *PData;
PData=Data;
for(i=0;i<Num;i++)
{
Start();
Send(0xa0);
Ack();
Send(Address+i);
Ack();
Send(*(PData+i));
Ack();
Stop();
mDelay(20);
}
}
void RdFromROM(uchar Data[],uchar Address,uchar Num)
{
uchar i;
uchar *PData;
PData=Data;
for(i=0;i<Num;i++)
{
Start();
Send(0xa0);
Ack();
Send(Address+i);
Ack();
Start();
Send(0xa1);
Ack();
*(PData+i)=Read();
Scl=0;
NoAck();
Stop();
}
}
//=======================================LCD1602===============================
#define yi 0x80 //LCD????????,??LCD1602??????D7???1(100000000=80)
#define er 0x80+0x40 //LCD???????(???????????????0x40)
//----------------????,??????----------------------
void delay(uint xms)//????,????
{
uint x,y;
for(x=xms;x>0;x--)
for(y=110;y>0;y--);
}
//--------------------------???---------------------------
write_1602com(uchar com)//****????????****
{
lcd1602_rs=0;//??/????????
lcd1602_rw=0; //???????
P0=com;//????
delay(1);
lcd1602_en=1;//?????,????????????
delay(1);
lcd1602_en=0;//en????,?????,??????
}
//-------------------------???-----------------------------
write_1602dat(uchar dat)//***????????****
{
lcd1602_rs=1;//??/????????
lcd1602_rw=0; //???????
P0=dat;//????
delay(1);
lcd1602_en=1; //en????,?????????
delay(1);
lcd1602_en=0; //en????,?????,??????
}
//-------------------------???-------------------------
void lcd_init(void)
{
write_1602com(0x38);//????????,??:16*2???,5*7??,8???
write_1602com(0x0c);//????????
write_1602com(0x06);//?????,??????
write_1602com(0x01);//???
}
//==============?????????=========================
unsigned char coding(unsigned char m)
{
unsigned char k;
switch(m)
{
case (0x11): k=1;break;
case (0x21): k=2;break;
case (0x41): k=3;break;
case (0x81): k='A';break;
case (0x12): k=4;break;
case (0x22): k=5;break;
case (0x42): k=6;break;
case (0x82): k='B';break;
case (0x14): k=7;break;
case (0x24): k=8;break;
case (0x44): k=9;break;
case (0x84): k='C';break;
case (0x18): k='*';break;
case (0x28): k=0;break;
case (0x48): k='#';break;
case (0x88): k='D';break;
}
return(k);
}
//=====================??????????===============================
unsigned char keynum(void)
{
unsigned char row,col,i;
P1=0xf0;
if((P1&0xf0)!=0xf0)
{
Delay5Ms();
Delay5Ms();
if((P1&0xf0)!=0xf0)
{
row=P1^0xf0; //????
i=0;
P1=a; //????
while(i<4)
{
if((P1&0xf0)!=0xf0)
{
col=~(P1&0xff); //????
break; //????????
}
else
{
i++;
P1=a;
}
}
}
else
{
return 0;
}
while((P1&0xf0)!=0xf0);
return (row|col); //??????????
}
else return 0; //???????0
}
//=======================?????,??????========================
void OneAlam(void)
{
ALAM=0;
Delay5Ms();
ALAM=1;
}
//========================?????,??????========================
void TwoAlam(void)
{
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
}
//========================?????,????========================
void ThreeAlam(void)
{
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
}
//===================?????N???,?H??????============================
void DisplayOne(void)
{
// DisplayOneChar(9+N,1,'*');
write_1602com(yi+5+N);
write_1602dat('*');
}
//=======================??????=========================
void DisplayChar(void)
{
unsigned char i;
if(pass==1)
{
//DisplayListChar(0,1,LockOpen);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(LockOpen);
}
}
else
{
if(N==0)
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Error);
}
}
else
{
//DisplayListChar(0,1,start_line);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(start_line);
}
}
}
}
void DisplayInput(void)
{
unsigned char i;
if(CorrectCont==1)
{
//DisplayListChar(0,0,Input);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Input);
}
}
}
//========================????================================//
void ResetPassword(void)
{
unsigned char i;
unsigned char j;
if(pass==0)
{
pass=0;
DisplayChar();
ThreeAlam();
}
else
{
if(ReInputEn==1)
{
if(N==6)
{
ReInputCont++;
if(ReInputCont==2)
{
for(i=0;i<6;)
{
if(TempPassword==InputData) //????????????
i++;
else
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Error[j]);
}
ThreeAlam(); //????
pass=0;
ReInputEn=0; //??????,
ReInputCont=0;
DisplayChar();
break;
}
}
if(i==6)
{
//DisplayListChar(0,1,ResetOK);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(ResetOK[j]);
}
TwoAlam(); //??????
WrToROM(TempPassword,0,6); //??????24C02??
ReInputEn=0;
}
ReInputCont=0;
CorrectCont=0;
}
else
{
OneAlam();
//DisplayListChar(0, 1, again); //????????
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(again[j]);
}
for(i=0;i<6;i++)
{
TempPassword=InputData; //?????????????
}
}
N=0; //???????????
}
}
}
}
//=======================??????????,???????======================
void Alam_KeyUnable(void)
{
P1=0x00;
{
ALAM=~ALAM;
Delay5Ms();
}
}
//=======================??????============================================
void Cancel(void)
{
unsigned char i;
unsigned char j;
//DisplayListChar(0, 1, start_line);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(start_line[j]);
}
TwoAlam(); //???
for(i=0;i<6;i++)
{
InputData=0;
}
KEY=1; //???
ALAM=1; //???
operation=0; //???????
pass=0; //????????
ReInputEn=0; //??????????
ErrorCont=0; //??????????
CorrectCont=0; //??????????
ReInputCont=0; //??????????
open_led=1;
s3_keydown=0;
key_disable=0;
N=0; //?????????
}
//==========================???,??????????????
void Ensure(void)
{
unsigned char i,j;
RdFromROM(CurrentPassword,0,6); //?24C02???????
if(N==6)
{
if(ReInputEn==0) //?????????
{
for(i=0;i<6;)
{
if(CurrentPassword==InputData)
{
i++;
}
else
{
ErrorCont++;
if(ErrorCont==3) //??????????,???????
{
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Error);
}
do
Alam_KeyUnable();
while(1);
}
else
{
TR0=1; //????
key_disable=1; //????
pass=0;
break;
}
}
}
if(i==6)
{
CorrectCont++;
if(CorrectCont==1) //??????,??????????,??,
{
//DisplayListChar(0,1,LockOpen);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(LockOpen[j]);
}
TwoAlam(); //???????
KEY=0; //??
pass=1; //??????
TR0=1; //????
open_led=0; //??????
for(j=0;j<6;j++) //?????
{
InputData=0;
}
}
else //????????,????????
{
//DisplayListChar(0,1,SetNew);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(SetNew[j]);
}
TwoAlam(); //??????
ReInputEn=1; //????????
CorrectCont=0; //???????
}
}
else //=========================???????????????131420???????============
{ if((InputData[0]==1)&&(InputData[1]==3)&&(InputData[2]==1)&&(InputData[3]==4)&&(InputData[4]==2)&&(InputData[5]==0))
{
WrToROM(initpassword,0,6); //?????????24C02??
//DisplayListChar(0,1,initword); //???????
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(initword[j]);
}
TwoAlam();
Delay400Ms();
TwoAlam();
N=0;
}
else
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Error[j]);
}
ThreeAlam(); //?????
pass=0;
}
}
}
else //????????????,??????,
{
//DisplayListChar(0,1,Er_try);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Er_try[j]);
}
ThreeAlam();
}
}
else
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Error[j]);
}
ThreeAlam(); //?????
pass=0;
}
N=0; //??????????,?????????
operation=1;
}
//==============================???===============================
void main(void)
{
unsigned char KEY,NUM;
unsigned char i,j;
P1=0xFF;
TMOD=0x11;
TL0=0xB0;
TH0=0x3C;
EA=1;
ET0=1;
TR0=0;
Delay400Ms(); //????,?LCM??????
lcd_init(); //LCD???
write_1602com(yi);//?????????????0?????????
for(i=0;i<16;i++)
{
write_1602dat(name);//????????????????
}
write_1602com(er);//????????????,??2????????
for(i=0;i<16;i++)
{
write_1602dat(start_line);//?????????,????
}
write_1602com(er+9); //??????
write_1602com(0x0f); //???????
Delay5Ms(); //????(???)
N=0; //?????????
while(1)
{
if(key_disable==1)
Alam_KeyUnable();
else
ALAM=1; //???
KEY=keynum();
if(KEY!=0)
{
if(key_disable==1)
{
second=0;
}
else
{
NUM=coding(KEY);
{
switch(NUM)
{
case ('A'): ; break;
case ('B'): ; break;
case ('C'): ; break;
case ('D'): ResetPassword(); break; //??????
case ('*'): Cancel(); break; //??????
case ('#'): Ensure(); break; //???,
default:
{
//DisplayListChar(0,1,Input);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Input);
}
operation=0;
if(N<6)
//????????6??,???????,??6??????
{
OneAlam(); //?????
//DisplayOneChar(6+N,1,'*');
for(j=0;j<=N;j++)
{
write_1602com(er+6+j);
write_1602dat('*');
}
InputData[N]=NUM;
N++;
}
else //????????6?,????
{
N=6;
break;
}
}
}
}
}
}
}
}
//*********************************??????**************************************
void time0_int(void) interrupt 1
{
TL0=0xB0;
TH0=0x3C;
//TR0=1;
countt0++;
if(countt0==20)
{
countt0=0;
second++;
if(pass==1)
{
if(second==1)
{
open_led=1; //????
TR0=0; //????
TL0=0xB0;
TH0=0x3C;
second=0;
}
}
else
{
if(second==3)
{
TR0=0;
second=0;
key_disable=0;
s3_keydown=0;
TL0=0xB0;
TH0=0x3C;
}
else
TR0=1;
}
}
}
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密碼鎖.rar
2016-1-25 21:33 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
53.92 KB, 下載次數: 1252, 下載積分: 黑幣 -5
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