基于单片机的门禁系统,大家分享。
功能
(60%) 可输入密码进行解锁。
可以对IC卡进行注册或注销。
可用已注册的IC卡解锁。
可实现液晶显示当前时间。
密码连续输错三次时能强制退出并报警。
具有指示灯温和蜂鸣器提示功能,开锁时亮绿灯。
参数(20%) 开锁后自动恢复闭锁时间≤15s
实现开锁的反应时间≤2s
视频演示:
单片机源程序如下:
- //包含头文件
- #include <REG52.h>
- #include<intrins.h>
- #include "main.h"
- #include<rc522.c>
- #include<eeprom52.h>
- //宏定义
- #define LCM_Data P0 //将P0口定义为LCM_Data
- #define uchar unsigned char
- #define uint unsigned int
- #define WRITE_SECOND 0x80 //DS1302内部的相关地址
- #define WRITE_MINUTE 0x82
- #define WRITE_HOUR 0x84
- #define WRITE_DATE 0x86
- #define WRITE_MONTH 0x88
- #define WRITE_WEEK 0x8a
- #define WRITE_YEAR 0x8c
- #define READ_SECOND 0x81
- #define READ_MINUTE 0x83
- #define READ_HOUR 0x85
- #define READ_DATE 0x87
- #define READ_MONTH 0x89
- #define READ_WEEK 0x8b
- #define READ_YEAR 0x8d
- uchar second1;
- uchar minute1;
- uchar hour1;
- uchar week1;
- uchar day1;
- uchar month1;
- uchar year1;
- struct time
- {
- uchar second;
- uchar minute;
- uchar hour;
- uchar week;
- uchar day;
- uchar month;
- uchar year;
- }
- current_time;
- #define ctime current_time
- sbit RST=P3^0;
- sbit SCLK=P3^1;
- sbit SDA=P2^6;
- //1602的控制脚
- sbit lcd1602_rs=P2^7;
- sbit lcd1602_en=P2^5;
- sbit Scl=P3^4; //24C02串行时钟
- sbit Sda=P3^5; //24C02串行数据
- sbit ALAM = P2^1; //报警
- sbit KEY = P3^6; //开锁
- bit operation=0; //操作标志位
- bit pass=0; //密码正确标志
- bit ReInputEn=0; //重置输入充许标志
- bit s3_keydown=0; //3秒按键标志位
- bit key_disable=0; //锁定键盘标志
- bit chushihua=0; //可以注册卡标志位
- unsigned char countt0,second,s1num,flag; //t0中断计数器,秒计数器
- void Delay5Ms(void); //声明延时函数
- unsigned char xdata CardRevBuf[16] = { 0 };
- unsigned char code a[]={0xFE,0xFD,0xFB,0xF7}; //控盘扫描控制表
- //液晶显示数据数组
- unsigned char code start_line[] = {"password: "};
- unsigned char code name[] = {"===Coded Lock==="}; //显示名称
- unsigned char code Correct[] = {" correct "}; //输入正确
- unsigned char code Error1[] = {" error "}; //输入错误
- 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 code table[]=" : : ";
- unsigned char InputData[6]; //输入密码暂存区
- unsigned char CurrentPassword[6]={0,0,0,0,0,0}; //读取EEPROM密码暂存数组
- unsigned char TempPassword[6];
- unsigned char N=0; //密码输入位数记数
- unsigned char ErrorCont; //错误次数计数
- unsigned char CorrectCont; //正确输入计数
- unsigned char ReInputCont; //重新输入计数
- unsigned char code initpassword[6]={0,0,0,0,0,0}; //输入管理员密码后将密码初始为000000
- unsigned char code adminpassword[6]={1,3,1,4,2,0}; //输入管理员密码后将密码初始为000000
- unsigned char code adminpassword1[6]={1,3,1,4,2,1};
- unsigned char current_id;
- char xdata DisplayBuf[10]; //当前读出卡的ID
- char xdata DisplayBuf_c[10]; //当前单片机里存的卡ID
- void write_eeprom_j(unsigned char j) //将对应的ID写入到单片机
- {
-
- SectorErase(0x2200+j*0x0200); //清空
- byte_write(0x2200+j*0x0200,DisplayBuf[0]);
- byte_write(0x2201+j*0x0200,DisplayBuf[1]);
- byte_write(0x2202+j*0x0200,DisplayBuf[2]);
- byte_write(0x2203+j*0x0200,DisplayBuf[3]);
- byte_write(0x2204+j*0x0200,DisplayBuf[4]);
- byte_write(0x2205+j*0x0200,DisplayBuf[5]);
- byte_write(0x2206+j*0x0200,DisplayBuf[6]);
- byte_write(0x2207+j*0x0200,DisplayBuf[7]);
- }
- void write_eeprom_jj(unsigned char j) //将对应的ID清空
- {
-
- SectorErase(0x2200+j*0x0200); //清空
- byte_write(0x2200+j*0x0200,' ');
- byte_write(0x2201+j*0x0200,' ');
- byte_write(0x2202+j*0x0200,' ');
- byte_write(0x2203+j*0x0200,' ');
- byte_write(0x2204+j*0x0210,' ');
- byte_write(0x2205+j*0x0200,' ');
- byte_write(0x2206+j*0x0200,' ');
- byte_write(0x2207+j*0x0200,' ');
- }
- void read_eeprom_j(uchar j)
- {
- DisplayBuf_c[0]= byte_read(0x2200+j*0x0200);
- DisplayBuf_c[1]= byte_read(0x2201+j*0x0200);
- DisplayBuf_c[2]= byte_read(0x2202+j*0x0210);
- DisplayBuf_c[3]= byte_read(0x2203+j*0x0200);
- DisplayBuf_c[4]= byte_read(0x2204+j*0x0200);
- DisplayBuf_c[5]= byte_read(0x2205+j*0x0200);
- DisplayBuf_c[6]= byte_read(0x2206+j*0x0200);
- DisplayBuf_c[7]= byte_read(0x2207+j*0x0200);
-
- }
- //=====================5ms延时==============================
- void Delay5Ms(void)
- {
- unsigned int TempCyc = 5552;
- while(TempCyc--);
- }
- //===================400ms延时==============================
- void Delay400Ms(void)
- {
- unsigned char TempCycA = 5;
- unsigned int TempCycB;
- while(TempCycA--)
- {
- TempCycB=7269;
- while(TempCycB--);
- }
- }
- //=============================================================================================
- //================================24C02========================================================
- //=============================================================================================
- void mDelay(uint t) //延时
- {
- uchar i;
- while(t--)
- {
- for(i=0;i<125;i++)
- {;}
- }
- }
-
- void Nop(void) //空操作
- {
- _nop_(); //仅作延时用一条语句大约1us
- _nop_();
- _nop_();
- _nop_();
- }
- /*****24c02程序参照24c02时序图*****/
- /*起始条件*/
- void Start(void)
- {
- Sda=1;
- Scl=1;
- Nop();
- Sda=0;
- Nop();
- }
- /*停止条件*/
- void Stop(void)
- {
- Sda=0;
- Scl=1;
- Nop();
- Sda=1;
- Nop();
- }
- /*应答位*/
- void Ack(void)
- {
- Sda=0;
- Nop();
- Scl=1;
- Nop();
- Scl=0;
- }
- /*反向应答位*/
- void NoAck(void)
- {
- Sda=1;
- Nop();
- Scl=1;
- Nop();
- Scl=0;
- }
- /*发送数据子程序,Data为要求发送的数据*/
- void Send(uchar Data)
- {
- uchar BitCounter=8;
- uchar temp;
- do
- {
- temp=Data; //将待发送数据暂存temp
- Scl=0;
- Nop();
- if((temp&0x80)==0x80) //将读到的数据&0x80
- Sda=1;
- else
- Sda=0;
- Scl=1;
- temp=Data<<1; //数据左移
- Data=temp; //数据左移后重新赋值Data
- BitCounter--; //该变量减到0时,数据也就传送完成了
- }
- while(BitCounter); //判断是否传送完成
- Scl=0;
- }
- /*读一字节的数据,并返回该字节值*/
- uchar Read(void)
- {
- uchar temp=0;
- uchar temp1=0;
- uchar BitCounter=8;
- Sda=1;
- do
- {
- Scl=0;
- Nop();
- Scl=1;
- Nop();
- if(Sda) //数据位是否为1
- temp=temp|0x01; //为1 temp的最低位为1(|0x01,就是将最低位变为1)
- else //如果为0
- temp=temp&0xfe; //temp最低位为0(&0xfe(11111110)最低位就是0)
- if(BitCounter-1) //BitCounter减1后是否为真
- {
- temp1=temp<<1; //temp左移
- temp=temp1;
- }
- BitCounter--; //BitCounter减到0时,数据就接收完了
- }
- while(BitCounter); //判断是否接收完成
- 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();
- }
- }
- //===================2us延时==============================
- void delayus() //延时2us
- {
- _nop_();
- _nop_();
- }
- //===================DS1302=================================//
- //==========================================================//
- /************************************************
- *名称:DS1302WriteByte
- *说明:无
- *功能:写入8bit数据
- *调用:delayus()
- *输入:dat:要写入的数据
- *输出:无
- *************************************************/
- void DS1302WriteByte(uchar dat)
- {
- uchar i;
- SCLK=0;//初始时钟线置为0
- delayus();
- for(i=0;i<8;i++)//开始传输8个字节的数据
- {
- SDA=dat&0x01;//取最低位,注意DS1302的数据和地址都是从最低位开始传输的
- delayus();
- SCLK=1;//时钟线拉高,制造上升沿,SDA的数据被传输
- delayus();
- SCLK=0;//时钟线拉低,为下一个上升沿做准备
- dat>>=1;//数据右移一位,准备传输下一位数据
- }
- }
- /************************************************
- *名称:DS1302ReadByte()
- *说明:无
- *功能:读取8bit的数据
- *调用:delayus()
- *输入:无
- *输出:dat:读取的数据
- *************************************************/
- uchar DS1302ReadByte()
- {
- uchar i,dat;
- delayus();
- for(i=0;i<8;i++)
- {
- dat>>=1;//要返回的数据右移一位
- if(SDA==1)//当数据线为高时,证明该位数据为1
- dat|=0x80;//要传输数据的当前值置为1,若不是,则为0
- SCLK=1;//拉高时钟线
- delayus();
- SCLK=0;//制造下降沿
- delayus();
- }
- SDA=0;
- return dat;//返回读取出的数据
- }
- /************************************************
- *名称:ucharDS1302Read()
- *说明:先写地址,后读数据
- *功能:从cmd相应地址中读取一个字节的数据
- *调用:DS1302WriteByte(),DS1302ReadByte()
- *输入:cmd:要写入的控制字节
- *输出:dat:读取的数据
- *************************************************/
- uchar DS1302Read(uchar cmd)
- {
- uchar dat;
- RST=0;//初始CE线置为0
- SCLK=0;//初始时钟线置为0
- RST=1;//初始CE置为1,传输开始
- DS1302WriteByte(cmd);//传输命令字,要读取的时间/日历地址
- dat=DS1302ReadByte();//读取要得到的时间/日期
- SCLK=1;//时钟线拉高
- RST=0;//读取结束,CE置为0,结束数据的传输
- return dat;//返回得到的时间/日期
- }
- /************************************************
- *名称:DS1302Write
- *说明:先写地址,后写数据
- *功能:向cmd相应地址中写一个字节的数据
- *调用:DS1302WriteByte()
- *输入:cmd:要写入的控制字,dat:要写入的数据
- *输出:无
- *************************************************/
- void DS1302Write(uchar cmd,uchar dat)
- {
- RST=0;//初始CE线置为0
- SCLK=0;//初始时钟线置为0
- RST=1;//初始CE置为1,传输开始
- DS1302WriteByte(cmd);//传输命令字,要写入的时间/日历地址
- DS1302WriteByte(dat);//写入要修改的时间/日期
- SCLK=1;//时钟线拉高
- RST=0;//读取结束,CE置为0,结束数据的传输
- }
- void Init_DS1302()
- {
- DS1302Write(0x8e,0x00);
- /* DS1302Write(WRITE_SECOND,0x00);
- DS1302Write(WRITE_MINUTE,0x33);
- DS1302Write(WRITE_HOUR,0x07);
- DS1302Write(WRITE_DATE,0x07);
- DS1302Write(WRITE_MONTH,0x12); // 首次下载定时 2016.12.07 7:33:00 星期三
- DS1302Write(WRITE_WEEK,0x03);
- DS1302Write(WRITE_YEAR,0x16);*/
- DS1302Write(0x90,0x01);
- DS1302Write(0x8e,0x80);
- }
-
- //==================================================================================================
- //=======================================LCD1602====================================================
- //==================================================================================================
- #define yi 0x80 //LCD第一行的初始位置,因为LCD1602字符地址首位D7恒定为1(100000000=80)
- #define er 0x80+0x40 //LCD第二行初始位置(因为第二行第一个字符位置地址是0x40)
- //----------------延时函数,后面经常调用----------------------
- void delay(uint xms)//延时函数,有参函数
- {
- uint x,y;
- for(x=xms;x>0;x--)
- for(y=110;y>0;y--);
- }
- //--------------------------写指令---------------------------
- void write_1602com(uchar com)//****液晶写入指令函数****
- {
- lcd1602_rs=0;//数据/指令选择置为指令
- P0=com;//送入数据
- delay(1);
- lcd1602_en=1;//拉高使能端,为制造有效的下降沿做准备
- delay(1);
- lcd1602_en=0;//en由高变低,产生下降沿,液晶执行命令
- }
- //-------------------------写数据-----------------------------
- void write_1602dat(uchar dat)//***液晶写入数据函数****
- {
- lcd1602_rs=1;//数据/指令选择置为数据
- P0=dat;//送入数据
- delay(1);
- lcd1602_en=1; //en置高电平,为制造下降沿做准备
- delay(1);
- lcd1602_en=0; //en由高变低,产生下降沿,液晶执行命令
- }
- //-------------------------写时分秒-----------------------------
- void write_sfm(uchar add,char date) //写时分秒函数
- {
- char shi,ge;
- shi=date/16;
- ge=date%16;
-
- write_1602com(0x80+add);
- write_1602dat(0x30+shi);
- write_1602dat(0x30+ge);
- }
- //-------------------------初始化-------------------------
- void lcd_init(void)
- {
- write_1602com(0x38);//设置液晶工作模式,意思:16*2行显示,5*7点阵,8位数据
- write_1602com(0x0c);//开显示不显示光标
- write_1602com(0x06);//整屏不移动,光标自动右移
- write_1602com(0x01);//清显示
- }
- //========================================================================================
- //=========================================================================================
- //==============将按键值编码为数值=========================
- 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);
- }
- //=====================按键检测并返回按键值===============================
- unsigned char keynum(void)
- {
- unsigned char row,col,i;
- P1=0xf0;
- if((P1&0xf0)!=0xf0)
- {
- Delay5Ms();
- Delay5Ms();
- if((P1&0xf0)!=0xf0)
- {
- row=P1^0xf0; //确定行线
- i=0;
- P1=a[i]; //精确定位
- while(i<4)
- {
- if((P1&0xf0)!=0xf0)
- {
- col=~(P1&0xff); //确定列线
- break; //已定位后提前退出
- }
- else
- {
- i++;
- P1=a[i];
- }
- }
- }
- else
- {
- return 0;
- }
- while((P1&0xf0)!=0xf0);
- return (row|col); //行线与列线组合后返回
- }
- else return 0; //无键按下时返回0
- }
- //=======================一声提示音,表示有效输入========================
- void OneAlam(void)
- {
- ALAM=0;
- Delay5Ms();
- ALAM=1;
- }
- //========================二声提示音,表示操作成功========================
- void TwoAlam(void)
- {
- ALAM=0;
- Delay5Ms();
- ALAM=1;
- Delay5Ms();
- ALAM=0;
- Delay5Ms();
- ALAM=1;
- }
- //========================三声提示音,表示错误========================
- void ThreeAlam(void)
- {
- ALAM=0;
- Delay5Ms();
- ALAM=1;
- Delay5Ms();
- ALAM=0;
- Delay5Ms();
- ALAM=1;
- Delay5Ms();
- ALAM=0;
- Delay5Ms();
- ALAM=1;
- }
- //=======================显示提示输入=========================
- void DisplayChar(void)
- {
- unsigned char i;
- if(pass==1)
- {
- write_1602com(er); //在二行开始显示
- for(i=0;i<16;i++)
- {
- write_1602dat(LockOpen[i]); //显示open 开锁成功
- }
- }
- else
- {
- if(N==0)
- {
- write_1602com(er);
- for(i=0;i<16;i++)
- {
- write_1602dat(Error1[i]); //显示错误
- }
- }
- else
- {
- write_1602com(er);
- for(i=0;i<16;i++)
- {
- write_1602dat(start_line[i]);//显示开始输入
- }
- }
- }
- }
- //========================重置密码==================================================
- //==================================================================================
- void ResetPassword(void)
- {
- unsigned char i;
- unsigned char j;
- if(pass==0)
- {
- pass=0;
- DisplayChar(); //显示错误
- ThreeAlam(); //没开锁时按下重置密码报警3声
- }
- else //开锁状态下才能进行密码重置程序
- {
- if(ReInputEn==1) //开锁状态下,ReInputEn置1,重置密码允许
- {
- if(N==6) //输入6位密码
- {
- ReInputCont++; //密码次数计数
- if(ReInputCont==2) //输入两次密码
- {
- for(i=0;i<6;)
- {
- if(TempPassword[i]==InputData[i]) //将两次输入的新密码作对比
- i++;
- else //如果两次的密码不同
- {
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(Error1[j]); //显示错误Error
- }
- ThreeAlam(); //错误提示
- pass=0; //关锁
- ReInputEn=0; //关闭重置功能,
- ReInputCont=0;
- DisplayChar();
- break;
- }
- }
- if(i==6)
- {
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(ResetOK[j]); //密码修改成功,显示
- }
- TwoAlam(); //操作成功提示
- WrToROM(TempPassword,0,6); //将新密码写入24C02存储
- ReInputEn=0;
- }
- ReInputCont=0;
- CorrectCont=0;
- }
- else //输入一次密码时
- {
- OneAlam();
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(again[j]); //显示再输入一次
- }
- for(i=0;i<6;i++)
- {
- TempPassword[i]=InputData[i]; //将第一次输入的数据暂存起来
- }
- }
- N=0; //输入数据位数计数器清零
- }
- }
- }
- }
- //=======================输入密码错误超过三过,报警并锁死键盘======================
- void Alam_KeyUnable(void)
- {
- P1=0x00;
- {
- ALAM=~ALAM; //蜂鸣器一直闪烁鸣响
- Delay5Ms();
- }
- }
- //=======================取消所有操作============================================
- 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]); //显示开机输入密码界面
- }
- TwoAlam(); //提示音
- for(i=0;i<6;i++)
- {
- InputData[i]=0; //将输入密码清零
- }
- KEY=1; //关闭锁
- ALAM=1; //报警关
- pass=0; //密码正确标志清零
- ReInputEn=0; //重置输入充许标志清零
- ErrorCont=0; //密码错误输入次数清零
- CorrectCont=0; //密码正确输入次数清零
- ReInputCont=0; //重置密码输入次数清零
- s3_keydown=0;
- key_disable=0; //锁定键盘标志清零
- N=0; //输入位数计数器清零
- }
- //==========================确认键,并通过相应标志位执行相应功能===============================
- void Ensure(void)
- {
- unsigned char i,j;
- RdFromROM(CurrentPassword,0,6); //从24C02里读出存储密码
- if(N==6)
- {
- if(ReInputEn==0) //重置密码功能未开启
- {
-
- if((InputData[0]==adminpassword[0])&&(InputData[1]==adminpassword[1])&&(InputData[2]==adminpassword[2])&&(InputData[3]==adminpassword[3])&&(InputData[4]==adminpassword[4])&&(InputData[5]==adminpassword[5]))
- {
- WrToROM(initpassword,0,6); //强制将初始密码写入24C02存储
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(initword[j]); //显示初始化密码
- }
- TwoAlam(); //成功提示音
- Delay400Ms(); //延时400ms
- TwoAlam(); //成功提示音
- N=0; //输入位数计数器清零
- //TR0=1;
- }
- else if((InputData[0]==adminpassword1[0])&&(InputData[1]==adminpassword1[1])&&(InputData[2]==adminpassword1[2])&&(InputData[3]==adminpassword1[3])&&(InputData[4]==adminpassword1[4])&&(InputData[5]==adminpassword1[5]))
- {
- TwoAlam(); //成功提示音
- Delay400Ms(); //延时400ms
- TwoAlam(); //成功提示音
- N=0; //输入位数计数器清零
- chushihua=1;
- }
- else if((CurrentPassword[0]==InputData[0])&&(CurrentPassword[1]==InputData[1])&&(CurrentPassword[2]==InputData[2])&&(CurrentPassword[3]==InputData[3])&&(CurrentPassword[4]==InputData[4])&&(CurrentPassword[5]==InputData[5])) //判断输入密码和24c02中的密码是否相同
- {
- CorrectCont++;
- if(CorrectCont==1) //正确输入计数,当只有一次正确输入时,开锁
- {
- //DisplayListChar(0,1,LockOpen);
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(LockOpen[j]); //显示open开锁画面
- }
- TwoAlam(); //操作成功提示音
- KEY=0; //开锁
- pass=1; //置正确标志位
- TR0=1; //开启定时
- for(j=0;j<6;j++) //将输入清除
- {
- InputData[i]=0; //开锁后将输入位清零
- }
- }
- else if(CorrectCont==2) //当两次正确输入时,开启重置密码功能
- {
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(SetNew[j]); //显示重置密码界面
- }
- TR0=0;
- TwoAlam(); //操作成功提示
- ReInputEn=1; //允许重置密码输入
- CorrectCont=0; //正确计数器清零
- } //相同一位 i就+1
- }
- else //如果有密码不同
- {
- write_1602com(er);
- for(i=0;i<16;i++)
- {
- write_1602dat(Error1[i]);
- }
- ThreeAlam();
- ErrorCont++; //错误次数++
- if(ErrorCont==3) //错误输入计数达三次时,报警并锁定键盘
- {
- write_1602com(er);
- for(i=0;i<16;i++)
- {
- write_1602dat(Error1[i]);
- }
- TR0=1; //开启定时
- key_disable=1; //锁定键盘
- pass=0; //pass位清零
- Alam_KeyUnable();
-
- }
- }
-
-
- }
- else //当已经开启重置密码功能时,而按下开锁键,
- {
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(Er_try[j]); //错误,请重新输入
- }
- ThreeAlam(); //错误提示音
- }
- }
- else //密码没有输入到6位时,按下确认键时
- {
-
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(Error1[j]); //显示错误
- }
- ThreeAlam(); //错误提示音
- pass=0;
- }
-
- N=0; //将输入数据计数器清零,为下一次输入作准备
- operation=1;
- }
- void display_id( unsigned char xdata * SrcBuf )
- {
- char xdata *pDisplayChar;
- unsigned char xdata Tmp, i;
- pDisplayChar = DisplayBuf;
- for( i = 0; i < 4; i++ )
- {
- Tmp = ( ( *SrcBuf ) << 4 ) & 0x0F;
- if( ( Tmp >=0 ) && ( Tmp <= 9 ) )
- {
- *pDisplayChar ++ = '0' + Tmp;
- }
- else
- {
- *pDisplayChar ++ = 'A' + Tmp - 10;
- }
- Tmp = ( *SrcBuf ) & 0x0F;
- if( ( Tmp >=0 ) && ( Tmp <= 9 ) )
- {
- *pDisplayChar ++ = '0' + Tmp;
- }
- else
- {
- *pDisplayChar ++ = 'A' + Tmp - 10;
- }
- SrcBuf ++;
- }
- *pDisplayChar ++ = '\0';
- // DisplayListChar( 0, 4, DisplayBuf );
- if(chushihua==1)
- {
- write_1602com(0xc0);
- write_1602dat('I');
- write_1602dat('D');
- write_1602dat(current_id+0x30);
- write_1602dat(':');
- write_1602dat(DisplayBuf[0]);
- write_1602dat(DisplayBuf[1]);
- write_1602dat(DisplayBuf[2]);
- write_1602dat(DisplayBuf[3]);
- write_1602dat(DisplayBuf[4]);
- write_1602dat(DisplayBuf[5]);
- write_1602dat(DisplayBuf[6]);
- write_1602dat(DisplayBuf[7]);
- write_1602dat(' ');
- write_1602dat(' ');write_1602dat(' ');write_1602dat(' ');write_1602dat(' ');
- }
- }
- void display_no_id()
- {
-
- write_1602com(0xc0);
- write_1602dat('I');
- write_1602dat('D');
- write_1602dat(current_id+0x30);
- write_1602dat(':');
- write_1602dat(DisplayBuf_c[0]);
- write_1602dat(DisplayBuf_c[1]);
- write_1602dat(DisplayBuf_c[2]);
- write_1602dat(DisplayBuf_c[3]);
- write_1602dat(DisplayBuf_c[4]);
- write_1602dat(DisplayBuf_c[5]);
- write_1602dat(DisplayBuf_c[6]);
- write_1602dat(DisplayBuf_c[7]);
- write_1602dat(' ');
- write_1602dat(' ');write_1602dat(' ');write_1602dat(' ');write_1602dat(' ');
- }
- void ctrl( void )
- {
- uchar j,i;
- if( PcdRequest( PICC_REQIDL, &CardRevBuf[0] ) != MI_OK )//寻天线区内未进入休眠状态的卡,返回卡片类型 2字节
- {
- if( PcdRequest( PICC_REQIDL, &CardRevBuf[0] ) != MI_OK )//寻天线区内未进入休眠状态的卡,返回卡片类型 2字节
- {
- if(chushihua==1)
- {
- read_eeprom_j(current_id);
- display_no_id();
- }
- return;
- }
- }
- if( PcdAnticoll( &CardRevBuf[2] ) != MI_OK ) //防冲撞,返回卡的序列号 4字节
- {
- if(chushihua==1)
- {
- read_eeprom_j(current_id);
- display_no_id();
- }
- return;
- }
- if( PcdSelect( &CardRevBuf[2] ) != MI_OK )//选卡
- {
- if(chushihua==1)
- {
- read_eeprom_j(current_id);
- display_no_id();
- }
- return;
- }
- display_id( &CardRevBuf[2] );
- if(CorrectCont==0&&pass==0)
- {
- for(j=0;j<6;j++)
- {
- read_eeprom_j(j);
- if(DisplayBuf[0]==DisplayBuf_c[0]&&DisplayBuf[1]==DisplayBuf_c[1]&&DisplayBuf[2]==DisplayBuf_c[2]&&DisplayBuf[3]==DisplayBuf_c[3]&&DisplayBuf[4]==DisplayBuf_c[4]&&DisplayBuf[5]==DisplayBuf_c[5])
- {
-
- CorrectCont=1;
- write_1602com(er);
- for(j=0;j<16;j++)
- {
- write_1602dat(LockOpen[j]);
- }
- TwoAlam(); //操作成功提示音
- ErrorCont=0;
- KEY=0; //开锁
- pass=1; //置正确标志位
- TR0=1; //开启定时
- for(j=0;j<6;j++) //将输入清除
- {
- InputData[i]=0;
- }
- return;
- }
- }
- }
- }
- //==============================主函数===============================
- void main(void)
- {
- unsigned char KEY,NUM;
- unsigned char i,j;
- P1=0xFF; //P1口复位
- TMOD=0x11; //定义工作方式
- TL0=0xB0;
- TH0=0x3C; //定时器赋初值
- EA=1; //打开中断总开关
- ET0=1; //打开中断允许开关
- TR0=0; //打开定时器开关
- Delay400Ms(); //启动等待,等LCM讲入工作状态
- lcd_init(); //LCD初始化
- Init_DS1302();
- init_rc522();
- write_1602com(yi);//日历显示固定符号从第一行第0个位置之后开始显示
- for(i=0;i<15;i++)
- {
- write_1602dat(table[i]);//向液晶屏写开机画面
- }
- write_1602com(er);
- for(i=0;i<16;i++)
- {
- write_1602dat(start_line[i]);//写输入密码等待界面
- }
- write_1602com(er+9); //设置光标位置
- // write_1602com(0x0f); //设置光标为闪烁
- Delay5Ms(); //延时片刻(可不要)
- N=0; //初始化数据输入位数
- while(1) //进入循环
- {
- // keyscan();
- if(flag==0)
- {
- ctime.second=DS1302Read(READ_SECOND);
- ctime.minute=DS1302Read(READ_MINUTE);
- ctime.hour=DS1302Read(READ_HOUR);
- write_sfm(10,ctime.second); //送液晶显示
- write_sfm(7,ctime.minute);
- write_sfm(4,ctime.hour);
- }
- ctrl();
- if(key_disable==1) //锁定键盘标志为1时
- Alam_KeyUnable(); //报警键盘锁
- else
- ALAM=1; //关报警
- KEY=keynum(); //读按键的位置码
- if(KEY!=0) //当有按键按下时
- {
- if(key_disable==1) //锁定键盘标志为1时
- {
- second=0; //秒清零
- }
- else //没有锁定键盘时
- {
- NUM=coding(KEY); //根据按键的位置将其编码,编码值赋值给NUM
- {
- switch(NUM) //判断按键值
- {
- case ('A'):if(chushihua==1)
- {
- current_id++;
- if(current_id>5)
- current_id=0;
- }
- else
- {
- s1num++;
- flag=1;
- switch(s1num)
- {
- case 1:
- TR1=0;
- write_1602com(yi+11);
- write_1602com(0x0f);
- DS1302Write(0x8e,0x00);
- DS1302Write(WRITE_SECOND,0x80);
- DS1302Write(0x8e,0x80);
- break;
- case 2:
- write_1602com(0x80+8);
- break;
- case 3:
- write_1602com(0x80+5);
- break;
- case 4:
- s1num=0;
- write_1602com(0x0c);
- flag=0;
- DS1302Write(0x8e,0x00);
- DS1302Write(WRITE_SECOND,0x00);
- DS1302Write(0x8e,0x80);
- break;
-
- }
- }
- break;
- case ('B'): if(chushihua==1)
- write_eeprom_jj(current_id);
- else if(s1num!=0)
- {
- switch(s1num)
- {
- case 1:
- second1=ctime.second/16*10+ctime.second%16;
- second1++;
- if(second1==60)
- second1=0;
- ctime.second=second1/10*16+second1%10;
- DS1302Write(0x8e,0x00);
- DS1302Write(WRITE_SECOND,ctime.second);
- DS1302Write(0x8e,0x80);
- write_sfm(10,ctime.second);
- write_1602com(0x80+10);
- break;
- case 2:
- minute1=ctime.minute/16*10+ctime.minute%16;
- minute1++;
- if(minute1==60)
- minute1=0;
- ctime.minute=minute1/10*16+minute1%10;
- DS1302Write(0x8e,0x00);
- DS1302Write(WRITE_MINUTE,ctime.minute);
- DS1302Write(0x8e,0x80);
- write_sfm(7,ctime.minute);
- write_1602com(0x80+7);
- break;
- case 3:
- hour1=ctime.hour/16*10+ctime.hour%16;
- hour1++;
- if(hour1==24)
- hour1=0;
- ctime.hour=hour1/10*16+hour1%10;
- DS1302Write(0x8e,0x00);
- DS1302Write(WRITE_HOUR,ctime.hour);
- DS1302Write(0x8e,0x80);
- write_sfm(4,ctime.hour);
- write_1602com(0x80+4);
- break;
-
- }
- }
- break;
- case ('C'):if(chushihua==1)
- write_eeprom_j(current_id);
- else if(s1num!=0)
- {
- switch(s1num)
- {
- case 1:
- second1=ctime.second/16*10+ctime.second%16;
- second1--;
- if(second1==-1)
- second1=59;
- ctime.second=second1/10*16+second1%10;
- DS1302Write(0x8e,0x00);
- DS1302Write(WRITE_SECOND,ctime.second);
- DS1302Write(0x8e,0x80);
- write_sfm(10,ctime.second);
- write_1602com(0x80+10);
- break;
- case 2:
- minute1=ctime.minute/16*10+ctime.minute%16;
- minute1--;
- if(minute1==-1)
- minute1=59;
- ctime.minute=minute1/10*16+minute1%10;
- DS1302Write(0x8e,0x00);
- DS1302Write(WRITE_MINUTE,ctime.minute);
- DS1302Write(0x8e,0x80);
- write_sfm(7,ctime.minute);
- write_1602com(0x80+7);
- break;
- case 3:
- hour1=ctime.hour/16*10+ctime.hour%16;
- hour1--;
- if(hour1==-1)
- hour1=23;
- ctime.hour=hour1/10*16+hour1%10;
- DS1302Write(0x8e,0x00);
- ……………………
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