51单片指纹识别系统加仿真原理图

#include <reg52.h> #include "fingerprint_identification.h" //定义按键输入端口 sbit KEY_DOWN=P1^4; sbit KEY_OK=P1^5; sbit KEY_CANCEL=P1^6; sbit SRD = P3^7;//继电器 volatile unsigned char FPM10A_RECEICE_BUFFER[32]; unsigned int finger_id = 0; //FINGERPRINT通信协议定义 code unsigned char FPM10A_Get_Device[10] ={0x01,0x00,0x07,0x13,0x00,0x00,0x00,0x00,0x00,0x1b};//口令验证 code unsigned char FPM10A_Pack_Head[6] = {0xEF,0x01,0xFF,0xFF,0xFF,0xFF}; //协议包头 code unsigned char FPM10A_Get_Img[6] = {0x01,0x00,0x03,0x01,0x00,0x05}; //获得指纹图像 code unsigned char FPM10A_Get_Templete_Count[6] ={0x01,0x00,0x03,0x1D,0x00,0x21 }; //获得模版总数 code unsigned char FPM10A_Search[11]={0x01,0x00,0x08,0x04,0x01,0x00,0x00,0x03,0xE7,0x00,0xF8}; //搜索指纹搜索范围0 - 999,使用BUFFER1中的特征码搜索 code unsigned char FPM10A_Search_0_9[11]={0x01,0x00,0x08,0x04,0x01,0x00,0x00,0x00,0x13,0x00,0x21}; //搜索0-9号指纹 code unsigned char FPM10A_Img_To_Buffer1[7]={0x01,0x00,0x04,0x02,0x01,0x00,0x08}; //将图像放入到BUFFER1 code unsigned char FPM10A_Img_To_Buffer2[7]={0x01,0x00,0x04,0x02,0x02,0x00,0x09}; //将图像放入到BUFFER2 code unsigned char FPM10A_Reg_Model[6]={0x01,0x00,0x03,0x05,0x00,0x09}; //将BUFFER1跟BUFFER2合成特征模版 code unsigned char FPM10A_Delete_All_Model[6]={0x01,0x00,0x03,0x0d,0x00,0x11};//删除指纹模块里所有的模版 volatile unsigned char FPM10A_Save_Finger[9]={0x01,0x00,0x06,0x06,0x01,0x00,0x0B,0x00,0x19};//将BUFFER1中的特征码存放到指定的位置 //volatile:系统总是重新从它所在的内存读取数据，即使它前面的指令刚刚从该处读取过数据 /*------------------ FINGERPRINT命令字 --------------------------*/ void Delay_Us(int i) { while(--i); } void Delay_Ms(int m) { while(m--) { Delay_Us(125); } } //发送包头 void FPM10A_Cmd_Send_Pack_Head(void) { int i; for(i=0;i<6;i++) //包头 { Uart_Send_Byte(FPM10A_Pack_Head[i]); } } //发送指令 void FPM10A_Cmd_Check(void) { int i=0; FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头 for(i=0;i<10;i++) { Uart_Send_Byte(FPM10A_Get_Device[i]); } } //接收反馈数据缓冲 void FPM10A_Receive_Data(unsigned char ucLength) { unsigned char i; for (i=0;i<ucLength;i++) FPM10A_RECEICE_BUFFER[i] = Uart_Receive_Byte(); } //FINGERPRINT_获得指纹图像命令 void FPM10A_Cmd_Get_Img(void) { unsigned char i; FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头 for(i=0;i<6;i++) //发送命令 0x1d { Uart_Send_Byte(FPM10A_Get_Img[i]); } } //讲图像转换成特征码存放在Buffer1中 void FINGERPRINT_Cmd_Img_To_Buffer1(void) { unsigned char i; FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头 for(i=0;i<7;i++) //发送命令 将图像转换成 特征码 存放在 CHAR_buffer1 { Uart_Send_Byte(FPM10A_Img_To_Buffer1[i]); } } //将图像转换成特征码存放在Buffer2中 void FINGERPRINT_Cmd_Img_To_Buffer2(void) { unsigned char i; for(i=0;i<6;i++) //发送包头 { Uart_Send_Byte(FPM10A_Pack_Head[i]); } for(i=0;i<7;i++) //发送命令 将图像转换成 特征码 存放在 CHAR_buffer1 { Uart_Send_Byte(FPM10A_Img_To_Buffer2[i]); } } //搜索全部用户999枚 void FPM10A_Cmd_Search_Finger(void) { unsigned char i; FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头 for(i=0;i<11;i++) { Uart_Send_Byte(FPM10A_Search[i]); } } void FPM10A_Cmd_Reg_Model(void) { unsigned char i; FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头 for(i=0;i<6;i++) { Uart_Send_Byte(FPM10A_Reg_Model[i]); } } //删除指纹模块里的所有指纹模版 void FINGERPRINT_Cmd_Delete_All_Model(void) { unsigned char i; for(i=0;i<6;i++) //包头 Uart_Send_Byte(FPM10A_Pack_Head[i]); for(i=0;i<6;i++) //命令合并指纹模版 { Uart_Send_Byte(FPM10A_Delete_All_Model[i]); } } //保存指纹 void FPM10A_Cmd_Save_Finger( unsigned int storeID ) { unsigned long temp = 0; unsigned char i; FPM10A_Save_Finger[5] =(storeID&0xFF00)>>8; FPM10A_Save_Finger[6] = (storeID&0x00FF); for(i=0;i<7;i++) //计算校验和 temp = temp + FPM10A_Save_Finger[i]; FPM10A_Save_Finger[7]=(temp & 0x00FF00) >> 8; //存放校验数据 FPM10A_Save_Finger[8]= temp & 0x0000FF; FPM10A_Cmd_Send_Pack_Head(); //发送通信协议包头 for(i=0;i<9;i++) Uart_Send_Byte(FPM10A_Save_Finger[i]); //发送命令 将图像转换成 特征码 存放在 CHAR_buffer1 } //添加指纹 void FPM10A_Add_Fingerprint() { unsigned char id_show[]={0,0,0}; LCD1602_WriteCMD(0x01); //清屏 finger_id=0; while(1) { LCD1602_Display(0x80," Add finger ",0,16); LCD1602_Display(0xc0," ID is ",0,16); //按返回键直接回到主菜单 if(KEY_CANCEL == 0) { while(KEY_CANCEL==0); break; } //按切换键指纹iD值加1 if(KEY_DOWN == 0) { while(KEY_DOWN==0); if(finger_id == 1000) { finger_id = 0; } else finger_id = finger_id + 1; } //指纹iD值显示处理 LCD1602_WriteCMD(0xc0+10); LCD1602_WriteDAT(finger_id/100+48); LCD1602_WriteDAT(finger_id%100/10+48); LCD1602_WriteDAT(finger_id%100%10+48); //按确认键开始录入指纹信息 if(KEY_OK == 0) { while(KEY_OK==0); LCD1602_Display(0x80," Please finger ",0,16); LCD1602_Display(0xc0," ",0,16); while(KEY_CANCEL == 1) { //按下返回键退出录入返回fingerID调整状态 if(KEY_CANCEL == 0) { while(KEY_CANCEL==0); break; } FPM10A_Cmd_Get_Img(); //获得指纹图像 FPM10A_Receive_Data(12); //判断接收到的确认码,等于0指纹获取成功 if(FPM10A_RECEICE_BUFFER[9]==0) { Delay_Ms(100); FINGERPRINT_Cmd_Img_To_Buffer1(); FPM10A_Receive_Data(12); LCD1602_Display(0x80,"Successful entry",0,16); Buzz_Times(1); Delay_Ms(1000); LCD1602_Display(0x80," Please finger ",0,16); LCD1602_Display(0xc0," ",0,16); while(1) { if(KEY_CANCEL == 0) { while(KEY_CANCEL==0); break; } FPM10A_Cmd_Get_Img(); //获得指纹图像 FPM10A_Receive_Data(12); //判断接收到的确认码,等于0指纹获取成功 if(FPM10A_RECEICE_BUFFER[9]==0) { Delay_Ms(200); LCD1602_Display(0x80,"Successful entry",0,16); LCD1602_Display(0xc0," ID is ",0,16); //指纹iD值显示处理 LCD1602_WriteCMD(0xc0+10); LCD1602_WriteDAT(finger_id/100+48); LCD1602_WriteDAT(finger_id%100/10+48); LCD1602_WriteDAT(finger_id%100%10+48); FINGERPRINT_Cmd_Img_To_Buffer2(); FPM10A_Receive_Data(12); FPM10A_Cmd_Reg_Model();//转换成特征码 FPM10A_Receive_Data(12); FPM10A_Cmd_Save_Finger(finger_id); FPM10A_Receive_Data(12); Buzz_Times(1); Delay_Ms(1000); finger_id=finger_id+1; break; } } break; } } // ClrScreen(); //清空显示屏 } // Delay_Ms(500); } } //搜索指纹 void FPM10A_Find_Fingerprint() { unsigned int find_fingerid = 0; unsigned char id_show[]={0,0,0}; do { LCD1602_Display(0x80," Please finger ",0,16); LCD1602_Display(0xc0," ",0,16); FPM10A_Cmd_Get_Img(); //获得指纹图像 FPM10A_Receive_Data(12); //判断接收到的确认码,等于0指纹获取成功 if(FPM10A_RECEICE_BUFFER[9]==0) { Delay_Ms(100); FINGERPRINT_Cmd_Img_To_Buffer1(); FPM10A_Receive_Data(12); FPM10A_Cmd_Search_Finger(); FPM10A_Receive_Data(16); if(FPM10A_RECEICE_BUFFER[9] == 0) //搜索到 { LCD1602_Display(0x80," Search success ",0,16); LCD1602_Display(0xc0," ID is ",0,16); Buzz_Times(1); //拼接指纹ID数 find_fingerid = FPM10A_RECEICE_BUFFER[10]*256 + FPM10A_RECEICE_BUFFER[11];