基于stc89c52单片机开发的2个串口通信的密码锁仿真 -

#include<reg52.h>
#include"lcd.h"
#include"eeprom.h"
sbit LED=P1^7;
sbit KEY1=P1^0;
sbit KEY2=P1^1;
sbit DOOR=P1^2;
sbit CLOSE=P1^3;
bit off;
unsigned char code Init[13] = "Set password:";
unsigned char code Save[13] = "Do you save? ";
unsigned char code CnCh[15] = "Input password:";
unsigned char code Titl1[16]="password error! ";
unsigned char code Titl2[18]="password correct!";
unsigned char code Titl3[10]="Loading..."; //password error password correct
unsigned char MM[6];
unsigned char SMM[6];
unsigned char i1,j,flag2,flag1,flag3,flag4,flag5,flag,flag6,a;
int num;
void delay(uchar c)
{
uchar a,b;
for(b=4*c;b>0;b--)
for(a=113;a>0;a--);
}
void comout(uchar com)
{
SBUF=com;
while(!TI);
TI=0;
}
void InitUART(void)
{
TMOD = 0x20;
SCON = 0x50;
TH1 = 0xFD;
TL1 = TH1;
EA = 1;
ES = 1;
TR1 = 1;
}
void mima()
{
if(num<=9&&num>=0)
{
if(i1==5)
{comout(1);}
if(i1!=5)
{comout(0);}
MM[i1]=num;
flag1=0;
}
if(i1==6&&SBUF=='A')
{flag3=1;}
if(num<=9&&num>=0&&flag4==3)
{
SMM[j]=num;
flag5=0;
}
}
void LCD_w()
{
unsigned char i;
if(flag2==0&&flag3==0&&flag==0)
{
LcdWriteCom(0x02);
delay(5);
for(i=0; i<13; i++)
{
LcdWriteData(Init[i]);
}
}
if(flag3==0)
{
LcdWriteCom(0xC0);
for(i=0;i<6;i++)
{ flag2=1;
LcdWriteData('0'+MM[i]);
}
}
if(flag3==1)
{
LcdWriteCom(0x02);
delay(5);
for(i=0; i<13; i++)
{
LcdWriteData(Save[i]);
}
flag4=1;
flag3=2;
}
if(flag4!=2&&flag4!=3&&flag==0) {
LcdWriteCom(0xC0);
for(i=0;i<6;i++)
{
LcdWriteData('0'+MM[i]); //
} }
if(flag4==2)
{ LcdInit();
LcdWriteCom(0x02);
delay(5);
for(i=0; i<15; i++)
{
LcdWriteData(CnCh[i]);
}
delay(5);
flag4=3;
}
if(flag4==3) //
{ LcdWriteCom(0xC0);
delay(5);
for(i=0;i<6;i++)
{
LcdWriteData('0'+SMM[i]); //
}
}
/////////////////////////////////////////////////////
}
void display()
{
uchar n,bb,i,y;
if(j==6)
{EA=0;
for(n=0;n<6;n++)
{
bb=0;
delay(5);
if(At24c02Read(n)!=SMM[n]&&bb==0)
{
y++;
}
}
if(y==0)
{
flag4=4;
LcdWriteCom(0x01);
delay(5);
for(i=0; i<18; i++)
{
LcdWriteData(Titl2[i]);
}
LcdWriteCom(0xC0);
for(i=0;i<10;i++)
{
LcdWriteData(Titl3[i]);
}
KEY1=0;
KEY2=1;
for(a=0;a<6;a++)
{SMM[j]=0;}
a=0;
}
if(y>0)
{
flag4=4;
LcdWriteCom(0x01);
delay(5);
for(i=0; i<16; i++)
{
LcdWriteData(Titl1[i]);
}
delay(100);
// flag4=2;
// LcdWriteCom(0x01);
for(i=0;i<6;i++)
{SMM[i]=0;}
i=0;
flag6=1;
j=0;
y=0;
}
j=0;
}
EA=1;
comout(1);
}
void main()
{
LcdInit();
InitUART();
while(1)
{
if(DOOR==0&&CLOSE==0)
{display();
mima();
LCD_w();
if(flag4==1&&num=='B')
{
EA=0;
for(i1=0;i1<6;i1++)
{
delay(10);
At24c02Write(i1,MM[i1]);
delay(5);
}
for(a=0;a<6;a++)
{MM[a]=0;}
a=0;
flag=1; //
if(At24c02Read(5)!=0)
{LED=0;
flag1=10;
flag2=10;
flag3=10;
i1=0;
}
flag4=2;
}
EA=1;
}
}
}
void UARTInterrupt(void) interrupt 4
{
RI=0;
num=SBUF;
if(num=='A'&&flag1==0&&flag==0)
{
i1++;
num=-1;
flag1=1;
}
if(num=='C'&&flag4!=2&&flag4!=3&&flag6==0) //
{
i1=0;
flag3=0;
flag2=0;
comout(0);
}
if(num=='A'&&flag4==3&&flag5==0&&flag==1)
{
j++;
num=-1;
// flag1=1;
flag5=1;
}
if(num=='C'&&flag5==0&&flag6==0) //
{
j=0;
// i1=0;
flag5=1;
}
if(num=='C'&&flag6==1) //
{
for(a=0;a<6;a++)
{SMM[a]=0;}
LcdWriteCom(0x02);
delay(10);
a=0;
flag4=2;
flag6=0;
}
if(CLOSE==0&&DOOR==1)
{
KEY1=0;
KEY2=0;
}
if(CLOSE==1&&DOOR==1)
{
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