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指纹识别 模块 程序 原理图

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______________________________________________________________________________________________________________ 程序： #include #include #define uchar unsigned char #define uint unsigned int #define Dbus P0 #define buffer1ID 0x01 #define buffer2ID 0x02 #define queren 0x88 #define tuichu 0x84 #define shanchu 0x82 sbit B0=B^0; sbit B7=B^7; sbit jidianqi=P3^6; sbit RS=P2^2; sbit RW=P2^1; sbit E1=P2^0; sbit LEDK=P3^4; //控制背光 sbit SCLK=P2^3; sbit IO=P2^5; sbit RST=P2^4; uchar code ta[8]={0x00,0x51,0x09,0x10,0x05,0x02,0x11,0xbe}; uchar data a[7]; // 秒 分 时 日 月 星期 年 uchar dz[4]; //存键输入值 uchar mima[7]; uchar mimaID[6]={1,2,3,4,5,6}; uchar data K; uchar data Key; uint PageID; uchar data querenma; uchar sum[2]; int summaf,summas; uchar code nian[]={"年"}; uchar code yue[]={"月"}; uchar code ri[]={"日"}; uchar code xinqi[]={"星期"}; uchar code mao=0x3a; unsigned char code text1[]={" 请按指纹 "}; unsigned char code text2[]={" 请再次按指纹 "}; unsigned char code text3[]={" 指纹采集成功 "}; unsigned char code text4[]={"请按任意键继续 "}; unsigned char code text5[]={" 指纹采集失败 "}; unsigned char code text6[]={"输入删去的指纹号"}; unsigned char code text7[]={" 删指纹号成功 "}; unsigned char code text8[]={"按键一：增加指纹"}; unsigned char code text9[]={"按键二：删去指纹"}; unsigned char code text10[]={" 请重新按指纹 "}; unsigned char code text11[]={"清空指纹库成功 "}; unsigned char code text12[]={" 没搜索到指纹 "}; unsigned char code text13[]={"请先按键再刷指纹"}; unsigned char code text14[]={" 请重新操作 "}; unsigned char code text15[]={" 删去失败 "}; unsigned char code text16[]={" 接收包出错 "}; unsigned char code text17[]={" 编号为： "}; unsigned char code text18[]={"指纹已找到 请进"}; unsigned char code text19[]={" 该指纹已存储 "}; unsigned char code text20[]={" 请输入密码 "}; unsigned char code text21[]={" 密码错误 "}; unsigned char code text22[]={"按键三：更新密码"}; // @@@ unsigned char code text23[]={"请再次输入密码 "}; unsigned char code text24[]={"两次输入的密码不"}; unsigned char code text25[]={"一致，请重新操作"}; unsigned char code text26[]={" 密码更新成功 "}; 另外： void delay(uint tt) { uchar i; while(tt--) { for(i=0;i<125;i++); } } void initialize51() { SCON= 0x50; //串口方式1 //REN=1; 允许接收 PCON=0x80; //SMOD=1 TMOD= 0x20; //定时器1定时方式2 TH1= 0xff; //11.0592MHz 模块默认波特率为57600bps TL1= 0xff; TR1= 1; //启动定时器 } unsigned char Keycan(void) //按键扫描程序 P1.0--P1.3为行线 P1.4--P1.7为列线 { unsigned char rcode, ccode; P1 = 0xF0; // 发全0行扫描码，列线输入 if((P1&0xF0) != 0xF0) // 若有键按下 { delay(1);// 延时去抖动 if((P1&0xF0) != 0xF0) { rcode = 0xFE; // 逐行扫描初值 while((rcode&0x10) != 0) { P1 = rcode; // 输出行扫描码 if((P1&0xF0) != 0xF0) // 本行有键按下 { ccode = (P1&0xF0)|0x0F; //do{;} while((P1&0xF0) != 0xF0); //等待键释放 return ((~rcode) + (~ccode)); // 返回键编码 } else rcode = (rcode<<1)|0x01; // 行扫描码左移一位 } } } return 0; // 无键按下，返回值为0 } void KeyDeal(unsigned char Key) { //unsigned char n; if(Key!=0) { switch(Key) { case 0x11: K=1; break; case 0x21: K=2; break; case 0x41: K=3; break; case 0x81: break; //K=funguanliyuan; case 0x12: K=4; break; case 0x22: K=5; break; case 0x42: K=6; break; case 0x82: K=34;break; //K=funshanchu; case 0x14: K=7; break; case 0x24: K=8; break; case 0x44: K=9; break; case 0x84: break; //K=funtuichu; case 0x18: break; //K=shuazhiwen case 0x28: K=0; break; case 0x48: break; case 0x88: break; //K=funqueren; default: break; } } } //*************************************//12864 //读12864忙 void ReadBusy(void) { unsigned char ch; cheak:Dbus=0xff; RS=0; RW=1; E1=1; ch=Dbus; E1=0; ch=ch|0x7f; if(ch!=0x7f) goto cheak; } //向LCD写命令 void WriteCommand(uchar command) { ReadBusy(); RW=0; Dbus=command; E1=1; E1=0; } //向LCD写数据 void WriteData(uchar Lcd_data) { ReadBusy(); RS=1; RW=0; Dbus=Lcd_data; E1=1; E1=0; } //清屏函数清DDRAM void Clrram (void) { WriteCommand(0x01); } //LCD12864初始化程序 void Lcd_int() { WriteCommand(0x30); //30---基本指令动作 WriteCommand(0x0c); //开显示，关游标 WriteCommand(0x01); //清屏，地址指针指向00H WriteCommand(0x02); } //LCD12864显示时间 void playtime() { uchar i,n3,n4,y1,y2,r1,r2,s1,s2,f1,f2,m1,m2; WriteCommand(0x80); //指定第一行显示位置 for(i=0;i<16;i++) WriteData(text13[i]); //显示LCD12864并行显示 n3=a[6]>>4; n4=a[6]&0x0f; WriteCommand(0x90); //指定第二行显示位置 WriteData(0x32);WriteData(0x30);WriteData(0x30+n3);WriteData(0x30+n4); for(i=0;i<2;i++) WriteData(nian[i]); y1=a[4]>>4; y2=a[4]&0x0f; WriteData(0x30+y1);WriteData(0x30+y2); for(i=0;i<2;i++) WriteData(yue[i]); r1=a[3]>>4; r2=a[3]&0x0f; WriteData(0x30+r1);WriteData(0x30+r2); for(i=0;i<2;i++)WriteData(ri[i]); WriteCommand(0x88); //指定第三行显示位置 for(i=0;i<4;i++)WriteData(xinqi[i]); WriteData(a[5]+0x30); s1=a[2]>>4;s2=a[2]&0x0f; f1=a[1]>>4;f2=a[1]&0x0f; m1=a[0]>>4;m2=a[0]&0x0f; WriteCommand(0x98); //指定第四行显示位置 WriteData(0x30+s1);WriteData(0x30+s2);WriteData(mao);WriteData(0x30+f1);WriteData(0x30+f2); WriteData(mao);WriteData(0x30+m1);WriteData(0x30+m2); } //*************************************//12864 //*********************************//ds1302控制 uchar r1302() //读数据ds1302 { uchar i; for(i=0;i<8;i++) { B>>=1; B7 = IO; SCLK=1; SCLK=0; } return B; } void w1302(uchar co) // 写ds1302 单字节 { uchar i; B = co; for(i=0;i<8;i++) { IO = B0; //原来是使用ACC寄存器 ，但不行，后改使用B寄存器后才正常运行 ??? SCLK=1; SCLK=0; B>>=1; } } void w(uchar a, uchar d) //寻址，写数 { RST = 0; SCLK = 0; RST = 1; w1302(a); w1302(d); SCLK = 1; RST = 0; } uchar r(uchar a) //寻址，读数 { uchar r; RST = 0; SCLK = 0; RST = 1; w1302(a); r=r1302(); SCLK = 1; RST = 0; return r; } void wclo(uchar *p) //写多字节ds1302 { uchar i; w(0x8e,0x00); //写允许 RST=0; SCLK=0; RST=1; w1302(0xbe); //写多字节命令 for(i=0;i<8;i++) w1302(*(p+i)); //写时钟数据 w(0x00,0x50); //??? 启动定时器 SCLK=1; RST=0; } void rclo(uchar *p) //读出多字节ds1302 { uchar i; RST=0; SCLK=0; RST=1; w1302(0xbf); for(i=0;i<7;i++) *(p+i) = r1302(); //读出时钟数据 SCLK=1; RST=0; } //***************************************// void SFG_getimage() //录入指纹图像 { uchar i; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X03; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; summaf=0x05; SBUF=summaf; while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; } void SFG_genchar(uchar bufferID) //生成特征并存于charbuffer1/2 调用后单片机波特率变化@@@ { uchar i; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X04; while(TI==0); TI=0; SBUF=0X02; while(TI==0); TI=0; SBUF=bufferID; while(TI==0); TI=0; summaf=0x07+bufferID; sum[0]=summaf; sum[1]=summaf>>8; SBUF=sum[1]; while(TI==0) TI=0; SBUF=sum[0]; while(TI==0) TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; } void SFG_regmodel() //合并生成模板 { uchar i; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X03; while(TI==0); TI=0; SBUF=0X05; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; summaf=0x09; SBUF=summaf; //校验和 while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; } void SFG_storechar(uint pageID) //储存模板 ID＝1010也储存成功 ID>=1011 querenma=0x18？@@@ { uchar i,ID1,ID2; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X06; while(TI==0); TI=0; SBUF=0X06; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; ID1=pageID;ID2=pageID>>8; SBUF=ID2; while(TI==0); TI=0; SBUF=ID1; while(TI==0); TI=0; summaf=0x0e+ID1+ID2; sum[0]=summaf; sum[1]=summaf>>8; SBUF=sum[1]; while(TI==0); TI=0; SBUF=sum[0]; while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; } void SFG_empty() //清空指纹库 { uchar i; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X03; while(TI==0); TI=0; SBUF=0X0d; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; summaf=0x11; SBUF=summaf; while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; } void SFG_fastsearch(uchar bufferID) //搜索指纹返回指纹ID号 sum、pagenum>255都会使程序卡@@@ { uchar i,ID1,ID2; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X08; while(TI==0); TI=0; SBUF=0X1b; while(TI==0); TI=0; SBUF=bufferID; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=180; while(TI==0); TI=0; summaf=9+0x1b+bufferID+180; sum[0]=summaf; sum[1]=summaf>>8; SBUF=sum[1]; while(TI==0); TI=0; SBUF=sum[0]; while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; ID1=SBUF; while(RI==0); RI=0; ID2=SBUF; //接收到的ID号 while(RI==0); RI=0; while(RI==0); RI=0; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; //PageID=ID1; PageID=(ID1<<8)+ID2; } void SFG_enroll() //自动注册模板返回存储ID =录图像+合并生成模板+储存模板 { uchar i,ID1,ID2; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X03; while(TI==0); TI=0; SBUF=0X10; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; summaf=0x14; SBUF=summaf; //校验和 while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; ID1=SBUF; while(RI==0); RI=0; ID2=SBUF; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; //PageID=ID1; PageID=(ID1<<8)+ID2; } void SFG_deletchar(uint pageID) //删除指纹 校验和在2字节的页码处应分高低字节相加 { uchar i,ID1,ID2; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X07; while(TI==0); TI=0; SBUF=0X0c; while(TI==0); TI=0; ID1=pageID;ID2=pageID>>8; SBUF=ID2; while(TI==0); TI=0; SBUF=ID1; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=1; while(TI==0); TI=0; summaf=0x15+ID1+ID2; sum[0]=summaf; sum[1]=summaf>>8; SBUF=sum[1]; while(TI==0); TI=0; SBUF=sum[0]; while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; } void SFG_writereg(uchar N) //设置波特率 { uchar i; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X05; while(TI==0); TI=0; SBUF=0X0e; while(TI==0); TI=0; SBUF=4; while(TI==0); TI=0; SBUF=N; while(TI==0); TI=0; summaf=0x1a; sum[0]=summaf; sum[1]=0; SBUF=sum[1]; while(TI==0); TI=0; SBUF=sum[0]; while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; } void SFG_identify() //自动验证指纹 录图像+生成特征+搜索 { uchar i,ID1,ID2; SBUF=0xef; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0XFF; while(TI==0); TI=0; SBUF=0X01; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; SBUF=0X03; while(TI==0); TI=0; SBUF=0X11; while(TI==0); TI=0; SBUF=0X00; while(TI==0); TI=0; summaf=0x15; SBUF=summaf; //校验和 while(TI==0); TI=0; for(i=0;i<9;i++) { while(RI==0); RI=0;} while(RI==0); RI=0; querenma=SBUF; while(RI==0); RI=0; ID1=SBUF; while(RI==0); RI=0; ID2=SBUF; while(RI==0); RI=0; while(RI==0); RI=0; //得分 while(RI==0); RI=0; sum[1]=SBUF; while(RI==0); RI=0; sum[0]=SBUF; summas=(sum[1]<<8)+sum[0]; //PageID=ID1; PageID=(ID1<<8)+ID2; } void shuazhiwen() { uchar i,IDs1,IDs2,IDs3; Clrram(); WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text1[i]); //显示LCD12864并行显示 请按指纹 //SFG_getimage(); //SFG_genchar(1); //SFG_fastsearch(1); SFG_identify(); while(querenma==2) SFG_identify(); if(querenma==0) { Clrram(); WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text18[i]); //显示LCD12864并行显示 指纹通过 门已开 IDs1=PageID/100;IDs2=PageID/10%10;IDs3=PageID%10; WriteCommand(0x88); //指定第三行显示位置 for(i=0;i<10;i++) WriteData(text17[i]); //显示LCD12864并行显示 编号为： WriteData(0x30+IDs1);WriteData(0x30+IDs2);WriteData(0x30+IDs3); jidianqi=0; //开门 } else if(querenma==9) { Clrram(); WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text12[i]); //显示LCD12864并行显示 没搜索到指纹 } else { Clrram(); WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text16[i]); //显示LCD12864并行显示 接收包出错 } WriteCommand(0x98); //指定第四行显示位置 for(i=0;i<16;i++) WriteData(text4[i]); //显示LCD12864并行显示 请按任意键继续 while(Keycan()==0); } void addfinger() { uchar i,IDa1,IDa2,IDa3; Clrram(); WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text1[i]); //显示LCD12864并行显示 请按指纹 SFG_getimage(); while(querenma!=0) SFG_getimage(); SFG_genchar(buffer1ID); initialize51(); SFG_fastsearch(buffer1ID); while(querenma==1) SFG_fastsearch(buffer1ID); if(querenma==0) { Clrram(); WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text19[i]); //显示LCD12864并行显示 该指纹已存储 WriteCommand(0x98); //指定第四行显示位置 for(i=0;i<16;i++) WriteData(text4[i]); //显示LCD12864并行显示 请按任意键继续 while(Keycan()==0); } else if(querenma==9) { Clrram(); WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text2[i]); //显示LCD12864并行显示 请再次按指纹 SFG_enroll(); while(querenma==2) SFG_enroll(); Clrram(); if(querenma==0) { IDa1=PageID/100;IDa2=PageID/10%10;IDa3=PageID%10; WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text3[i]); //显示LCD12864并行显示 指纹采集成功 WriteCommand(0x88); //指定第三行显示位置 for(i=0;i<10;i++) WriteData(text17[i]); //显示LCD12864并行显示 编号为：pgaeID WriteData(0x30+IDa1);WriteData(0x30+IDa2);WriteData(0x30+IDa3); } else if(querenma!=0) { WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text5[i]); //显示LCD12864并行显示 指纹采集失败 WriteCommand(0x88); //指定第三行显示位置 for(i=0;i<16;i++) WriteData(text14[i]); //显示LCD12864并行显示 请重新采集 } WriteCommand(0x98); //指定第四行显示位置 for(i=0;i<16;i++) WriteData(text4[i]); //显示LCD12864并行显示 请按任意键继续 while(Keycan()==0); } Clrram(); } void deletfinger() { uchar i,j=0; Clrram(); WriteCommand(0x90); //指定第二行显示位置 for(i=0;i<16;i++) WriteData(text6[i]); //显示LCD12864并行显示 请输入删去的指纹号 for(i=0;i<5;i++)dz[i]=0; //不输入时会默认为000 @@@

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