单片机密码锁仿真程序 VB上位机 -

/**************************************************************************************
矩阵键盘：
0 1 2 3
4 5 6 7
8 9 返回确定
[ DISCUZ_CODE_1 ]nbsp; [ DISCUZ_CODE_1 ]nbsp; [ DISCUZ_CODE_1 ]nbsp; [ DISCUZ_CODE_1 ]nbsp;
***************************************************************************************/
#include "reg52.h"
#include<intrins.h> //左右移函数
#include "lcd.h"
#include "key.h"
#include "i2c.h"
#define u16 unsigned int //对数据类型进行声明定义
#define u8 unsigned char
sbit AS=P2^2; //继电器
sbit beep=P2^3; //蜂鸣器
sbit MOTOA = P3^0; //步进电机
sbit MOTOB = P3^1;
sbit MOTOC = P3^2;
sbit MOTOD = P3^3;
#define SPEED 200 //步进电机脉冲
/*****************************************************************************/
u8 pw_num,Error_Num,Error_Num1,PassWord_Length=6;
u8 PASSWORD[]={8,8,8,8,8,8,0,0,0,0};
u8 INPUT_PW_Tab[10];
u8 key_num,Step,Step5,Load_first_flag=0;
u8 dianping;
/*******************************************************************************/
bit result_flag,Input_suc_flag;
bit List1=0;
/*******************************************************************************/
void Step_0();
void Step_1();
void Step_2();
void Step_3();
void Step_4();
void Step_5();
void Step5_0();
void Step5_1();
void Step5_2();
void Step5_3();
void Step5_4();
void Step5_5();
void Step_6();
/*******************************************************************************/
void CipherComparison();
void input_password(bit m);
void Read_Password();
void init_serialcomm( )
{
EA = 1; //允许总中断（如不使用中断，可用//屏蔽）
ES = 1; //允许UART串口的中断
TMOD = 0x20; //定时器T/C1工作方式2
SCON = 0x50; //串口工作方式1，允许串口接收（SCON = 0x40 时禁止串口接收）
TH1 = 0xF3; //定时器初值高8位设置 //12MHZ晶振，波特率为4800 0xf3
TL1 = 0xF3; //定时器初值低8位设置 //11.0592MHZ晶振，波特率为4800 0xf4 9600 0xfa 19200 0xfd
PCON = 0x80; //波特率倍频（屏蔽本句波特率为2400）
TR1 = 1; //定时器启动
TI = 1;
}
void sendc(u8 ch)
{
SBUF=ch;
while(!TI);
TI=0;
}
void main()
{
u8 data1,a;
// ShowString(0x00," Pechin Science ");
// At24c02Write(0,0); //开机显示密码
init_serialcomm(); /**************串口初始化*************/
LcdWriteCom(0x01); //清屏
for(data1=0;data1<PassWord_Length+2;data1++)
{
a=At24c02Read(data1)+0x30;
LcdWriteData(a);
delay(1000);
}
delay(1000);
LcdInit();
delay(1000);
Step=0;
Step5=0;
Error_Num=0x00;
Error_Num1=0x00;
Read_Password();
//保存密码长度
// for(j=0;j<10;j++)
// {
// At24c02Write(j,j);
// delay(100);
// }
//
while(1)
{
key_num=KeyDown(); //读取输入值
switch(Step)
{
case 0:
{Step_0();break;}
case 1:
{Step_1();break;}
case 2:
{Step_2();break;}
case 3:
{Step_3();break;}
case 4:
{Step_4();break;}
case 5:
{Step_5();break;}
case 6:
{Step_6();break;}
}
}
}
/*******************************************************************************/
void Step_0()
{
LcdInit();
ShowString(0x00," Pechin Science "); //第一行显示Pechin Science
ShowString(0x10," WELCOME! "); // 第二行显示 WELCOME!
while(KeyDown()==0xff)Step=1; // 有按键按下进入下一步
}
/*******************************************************************************/
void Step_1()
{
LcdWriteCom(0x01); //清屏
ShowString(0x00,"Unlock");
ShowString(0x0f,"<"); //1602第一行显示unlock
ShowString(0x10,"Change Password");
ShowString(0x1f," "); // 1602第二行显示Change Password
Step=2; //
}
/*******************************************************************************/
void Step_2()
{
if(key_num!=0x0b)
{
if((key_num==0x01) ||( key_num==0x09)) //1键或9键按下
{
List1=~List1; //Change Password
if(List1==0)
{
ShowString(0x0f,"<"); // Unlock <
ShowString(0x1f," "); // Change Password
}
else
{
ShowString(0x0f," "); // Unlock
ShowString(0x1f,"<"); // Change Password <
}
}
}
else //确认键按下
{
if(List1==0){Step=3;}
else {Step=5;List1=0;}
}
}
/*******************************************************************************/
void Step_3()
{
Step=4;
pw_num=0;
LcdInit();
ShowString(0x00,"Pass Word: ");
}
/*******************************************************************************/
void Step_4()
{
input_password(0); //输入密码并以*显示
if(Input_suc_flag==1){Step=6;} //密码输入完成进入下一步
Input_suc_flag=0; //清除密码输入完成标志
}
/*******************************************************************************/
void Step_5() //修改密码
{
switch(Step5)
{
case 0: {Step5_0();} break;
case 1: {Step5_1();} break;
case 2: {Step5_2();} break;
case 3: {Step5_3();} break;
case 4: {Step5_4();} break;
case 5: {Step5_5();} break;
}
}
/*******************************************************************************/
void Step_6()
{
u8 i=0;
u8 j=0;
CipherComparison(); //密码比对
if(result_flag==1) //密码正确
{
LcdInit();
ShowString(0x00," WELCOME!");
AS=0; //开继电器
dianping=1;//串口数据，表示锁开
sendc(dianping);
delay(SPEED);
for(;j<5;j++)
{
MOTOA = 1;
MOTOB = 0;
MOTOC = 1;
MOTOD = 1;
delay(SPEED);
MOTOA = 1;
MOTOB = 1;
MOTOC = 1;
MOTOD = 0;
delay(SPEED);
MOTOA = 0;
MOTOB = 1;
MOTOC = 1;
MOTOD = 1;
delay(SPEED);
MOTOA = 1;
MOTOB = 1;
MOTOC = 0;
MOTOD = 1;
delay(SPEED);
}
delay(60000);
AS=1; //关继电器
dianping=0;//串口数据，表示锁关
sendc(dianping);
delay(SPEED);
for(j=0;j<5;j++) //电机反转
{
MOTOA = 1;
MOTOB = 1;
MOTOC = 0;
MOTOD = 1;
delay(SPEED);
MOTOA = 0;
MOTOB = 1;
MOTOC = 1;
MOTOD = 1;
delay(SPEED);
MOTOA = 1;
MOTOB = 1;
MOTOC = 1;
MOTOD = 0;
delay(SPEED);
MOTOA = 1;
MOTOB = 0;
MOTOC = 1;
MOTOD = 1;
delay(SPEED);
}
}
else //密码错误
{
if(Error_Num1<2) //输出错误次数小于3
{
Error_Num1++;
LcdInit();
ShowString (0x00,"Error !");
delay(20000);
for(;i<200;i++) //密码错误报警
{
beep=~beep;
delay(10);
Step=0;
}
else //密码错误次数大于3
{
ShowString (0x00," Warning !");
for(;i<250;i++) //防试探报警
{
beep=~beep;
delay(50);
}
Error_Num1=0;
Step=0;
}
}
Step=0;
}
/****************************************************************************************
密码输入函数,密码长度：pw_num
密码输入完成标志：Input_suc_flag
*****************************************************************************************/
void Step5_0()
{
LcdWriteCom(0x01); //清屏
ShowString (0x00,"Input PassWord:"); //1602显示：输入密码
Step5=1;
pw_num=0;
}
void Step5_1()
{
input_password(0); //输入密码并以*显示
if(Input_suc_flag==1) //密码输入完成
{
Step5=2;
Input_suc_flag=0; //清除密码输入完成标志
}
}
void Step5_2()
{
CipherComparison(); //密码比对
Step5=3;
}
void Step5_3()
{ u8 i=0;
if(result_flag==0) //密码错误
{
if(Error_Num<2) //输出错误次数小于3
{
Error_Num++;
LcdInit();
ShowString (0x00,"Error !");
delay(20000);
Step5=0;
}
else //密码错误次数大于3
{
ShowString (0x00," Warning !");
for(;i<250;i++) //防试探报警
{
beep=~beep;
delay(50);
}
Error_Num=0;
Step=0;
}
}
else //密码正确
{
LcdInit();
ShowString (0x00,"New PassWord:");
pw_num=0;
Step5=4;
}
}
void Step5_4()
{
u8 i=0;
input_password(1); //输入密码并显示
if(Input_suc_flag==1) //输入完成
{
Step5=5;
Input_suc_flag=0;
LcdWriteCom(0x01); //清屏
for(;i<100;i++) //密码修改成功提示音
{
beep=~beep;
delay(10);
}
ShowString (0x00," OK!");
}
}
void Step5_5()
{
unsigned char j;
PassWord_Length=pw_num; //读取输入密码长度
At24c02Write(0,Load_first_flag);
delay(100);
At24c02Write(1,PassWord_Length); //保存密码长度
delay(100);
for(j=0;j<PassWord_Length;j++)
{
PASSWORD[j]=INPUT_PW_Tab[j]; //读取密码
At24c02Write(j+2,INPUT_PW_Tab[j]); //保存密码至EEPROM
delay(100);
}
Step5=0;
Step=0;
}
void Read_Password()
{
unsigned char j;
Load_first_flag=At24c02Read(0x00);
// if(Load_first_flag==0) //初次运行初始密码错误可以将此句打开重新编译下载
{
Load_first_flag=1;
At24c02Write(0,0x01);
delay(100);
At24c02Write(1,0x06); //写默认密码长度6至EEPROM
delay(100);
for(j=0;j<PassWord_Length;j++)
{
At24c02Write(j+2,8); //写默认密码888888至EEPROM
PASSWORD[j]=INPUT_PW_Tab[j]; //读密码
delay(100);
}
}
Load_first_flag=At24c02Read(0x00);
PassWord_Length=At24c02Read(0x01); //读取密码长度
for(j=0;j<PassWord_Length;j++) //读取密码
{
PASSWORD[j]=At24c02Read(j+2);
}
}
void input_password(bit m)
{
unsigned char j;
if(key_num!=0x0b) //ok键没有按下
{
if(key_num<0x0a) //1-9按下
{
INPUT_PW_Tab[pw_num]=key_num; //保存至输入密码数组
pw_num=pw_num+1; //密码长度+1
LcdWriteCom(0xc0);
for(j=0;j<pw_num;j++)
{
if(m==0) {LcdWriteData('*'); } //密码隐藏
else {LcdWriteData(INPUT_PW_Tab[j]+0x30);} //显示密码
}
}
if(key_num==0x0a) //返回键按下
{
if(pw_num!=0) {pw_num=pw_num-1;}
else {Step=0;}
// ShowString (0x00,"Pass Word：");
LcdWriteCom(0xc0);
for(j=0;j<pw_num;j++)
{
if(m==0) {LcdWriteData('*'); } //密码隐藏
else {LcdWriteData(INPUT_PW_Tab[j]+0x30);} //显示密码
}
LcdWriteData(' ');
}
}
else //ok键按下
{
if(pw_num==0)
{
Step=0;
LcdWriteCom(0x01);
ShowString (0x00,"Error 02!");
delay(10000);
}
else
{
Input_suc_flag=1;
}
//AS=0;
}
}
/*******************************************************
密码比对
********************************************************/
void CipherComparison()
{
u8 i,j=0;
if(PassWord_Length==pw_num) //密码长度比对
{
for(i=0;i<PassWord_Length;i++) //密码比对
{
if(PASSWORD[i]!=INPUT_PW_Tab[i])
{
result_flag=0;break; //密码错误
}
else
{
result_flag=1; //密码正确
}
INPUT_PW_Tab[i]=0XFF; //清除密码缓存数组
}
}
else
{result_flag=0;}
}

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