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第一行数据是单片机发送的，第二行数据是利用串口助手发送红框3的数据后，指纹模块上传的数据，同一条指令，为什么串口助手发送就有用，单片机就没用呢 #include unsigned char flag,a,i; unsigned char code FP_Pack_Head[6] = {0xef,0x01,0xff,0xff,0xff,0xff}; //ÐÒé°üÍ· unsigned char code FP_Get_Img[6] = {0x01,0x00,0x03,0x01,0x00,0x05}; //»ñµÃÖ¸ÎÆͼÏñ unsigned char code FP_Templete_Num[6] ={0x01,0x00,0x03,0x1D,0x00,0x21 }; //»ñµÃÄ£°å×ÜÊý unsigned char code FP_Search[11]={0x01,0x00,0x08,0x04,0x01,0x0,0x0,0x03,0xA1,0x0,0xB2}; //Ö¸ÎÆËÑË÷·¶Î§0 - 929 unsigned char code FP_Search_0_9[11]={0x01,0x00,0x08,0x04,0x01,0x0,0x0,0x0,0x13,0x0,0x21}; //ËÑË÷0-9ºÅÖ¸ÎÆ unsigned char code FP_Img_To_Buffer1[7]={0x01,0x00,0x04,0x02,0x01,0x0,0x08}; //½«Í¼Ïñ·ÅÈëBUFFER1 unsigned char code FP_Img_To_Buffer2[7]={0x01,0x00,0x04,0x02,0x02,0x0,0x09}; //½«Í¼Ïñ·ÅÈëBUFFER2 unsigned char code FP_Reg_Model[6]={0x01,0x00,0x03,0x05,0x0,0x09}; //½«BUFFER1ºÍBUFFER2ºÏ³ÉÌØÕ÷Ä£°å unsigned char code FP_Delet_All_Model[6]={0x01,0x00,0x03,0x0d,0x00,0x11};//ɾ³ýÖ¸ÎÆ¿âÖÐËùÓеÄÄ£°å volatile unsigned char FP_Save_Finger[9]={0x01,0x00,0x06,0x06,0x01,0x00,0x0B,0x00,0x19};//½«BUFFER1ÖеÄÌØÕ÷Âë´æ·Åµ½Ö¸¶¨Î»Öà volatile unsigned char FP_Delete_Model[10]={0x01,0x00,0x07,0x0C,0x00,0x00,0x00,0x01,0x00,0x00}; //ɾ³ýÖ¸¶¨µÄÄ£°å volatile unsigned char UART1_FINGERPRINT_RECEVICE_BUFFER[24]; void Delay_Ms(int t) { int a,b; for(a=5*t;a>0;a--) { for(b=22;b>0;b--) { ; } } } void UART_init_9600(void) //9600bps@12.000MHz { TMOD=0X20; TH1=0XFD; TL1=0XFD; TR1=1; REN=1; SM0=0; //´®¿Ú·½Ê½1 SM1=1; EA=1; ES=1; } void UART1_Send_Byte(unsigned char c)//·¢ËÍÒ»¸ö×Ö½Ú { TI=0; SBUF = c; while(!TI); TI = 0; } unsigned char UART1_Receive_Byte()//½ÓÊÕÒ»¸ö×Ö½Ú { unsigned char dat; while(!RI); RI = 0; dat = SBUF; return (dat); } //FINGERPRINT»ñÈ¡Ö¸ÎÆͼÏñÃüÁî void FINGERPRINT_Cmd_Get_Img(void) { unsigned char i; ES=0; for(i=0;i<6;i++) UART1_Send_Byte(FP_Pack_Head); // for(i=0;i<6;i++) UART1_Send_Byte(FP_Get_Img); ES=1; } ////½«Í¼Ïñת»»³ÉÌØÕ÷Âë´æ·Åµ½Buffer1ÖÐ //void FINGERPRINT_Cmd_Img_To_Buffer1(void) //{ // unsigned char i; // // for(i=0;i<6;i++) // { // UART1_Send_Byte(FP_Pack_Head); // } // // for(i=0;i<7;i++) // { // UART1_Send_Byte(FP_Img_To_Buffer1); // } //} ////½«Í¼Ïñת»»³ÉÌØÕ÷Âë´æ·Åµ½Buffer2ÖÐ //void FINGERPRINT_Cmd_Img_To_Buffer2(void) //{ // unsigned char i; // for(i=0;i<6;i++) // { // UART1_Send_Byte(FP_Pack_Head); // } // // for(i=0;i<7;i++) // { // UART1_Send_Byte(FP_Img_To_Buffer2); // } //} ////½«BUFFER1 ºÍ BUFFER2 ÖеÄÌØÕ÷ÂëºÏ²¢³ÉÖ¸ÎÆÄ£°æ //void FINGERPRINT_Cmd_Reg_Model(void) //{ // unsigned char i; // for(i=0;i<6;i++) // { // UART1_Send_Byte(FP_Pack_Head); // } // for(i=0;i<6;i++) // { // UART1_Send_Byte(FP_Reg_Model); // } //} ////ɾ³ýÖ¸ÎÆÄ£¿éÀïËùÓеÄÖ¸ÎÆÄ£°å //void FINGERPRINT_Cmd_Delete_All_Model(void) //{ // unsigned char i; // for(i=0;i<6;i++) // UART1_Send_Byte(FP_Pack_Head); // for(i=0;i<6;i++) // UART1_Send_Byte(FP_Delet_All_Model); //} ////ɾ³ýÖ¸ÎÆÄ£¿éÀïÖ¸¶¨µÄÖ¸ÎÆÄ£°å //void FINGERPRINT_Cmd_Delete_Model(unsigned int uiID_temp) //{ // volatile unsigned int uiSum_temp = 0; // unsigned char i; // // FP_Delete_Model[4]=(uiID_temp&0xFF00)>>8; // FP_Delete_Model[5]=(uiID_temp&0x00FF); // // for(i=0;i<8;i++) // uiSum_temp = uiSum_temp + FP_Delete_Model; // // //UART0_Send_Byte(uiSum_temp); // // FP_Delete_Model[8]=(uiSum_temp&0xFF00)>>8; // FP_Delete_Model[9]=uiSum_temp&0x00FF; // // for(i=0;i<6;i++) // // UART1_Send_Byte(FP_Pack_Head); // for(i=0;i<10;i++) //???????? // UART1_Send_Byte(FP_Delete_Model); //} ////»ñÈ¡Ö¸ÎÆÄ£°åÊýÁ¿ //void FINGERPRINT_Cmd_Get_Templete_Num(void) //{ unsigned int i; // // unsigned char temp[14]; // for(i=0;i<6;i++) // UART1_Send_Byte(FP_Pack_Head); // for(i=0;i<6;i++) // UART1_Send_Byte(FP_Templete_Num); //} ////ËÑË÷È«²¿Óû§999ö //void FINGERPRINT_Cmd_Search_Finger(void) //{ // unsigned char i; // for(i=0;i<6;i++) // { // UART1_Send_Byte(FP_Pack_Head); // } // for(i=0;i<11;i++) // { // UART1_Send_Byte(FP_Search); // } //} ////ËÑË÷È«²¿Óû§999ö //void FINGERPRINT_Cmd_Search_Finger_Admin(void) //{ // unsigned char i; // for(i=0;i<6;i++) //????????? // { // UART1_Send_Byte(FP_Pack_Head); // } // for(i=0;i<11;i++) // { // UART1_Send_Byte(FP_Search_0_9); // } //} ////½«BUFFER1ÖеÄÌØÕ÷Âë´æ·Åµ½Ö¸¶¨Î»Öà //void FINGERPRINT_Cmd_Save_Finger( unsigned char ucH_Char,unsigned char ucL_Char ) //{ // unsigned long temp = 0; // unsigned char i; //// SAVE_FINGER[9]={0x01,0x00,0x06,0x06,0x01,0x00,0x0B,0x00,0x19};//?BUFFER1????????????? // FP_Save_Finger[5] = ucH_Char; // FP_Save_Finger[6] = ucL_Char; // // for(i=0;i<7;i++) //¼ÆËã¼ìÑéºÍ // temp = temp + FP_Save_Finger; // // FP_Save_Finger[7]=(temp & 0x00FF00) >> 8; //´æ·Å¼ìÑéÊý¾Ý // FP_Save_Finger[8]= temp & 0x0000FF; // // for(i=0;i<6;i++) // UART1_Send_Byte(FP_Pack_Head); // for(i=0;i<9;i++) // UART1_Send_Byte(FP_Save_Finger); //} ////½ÓÊÕ·µÀ¡Êý¾Ý»º³å //void FINGERPRINT_Recevice_Data(unsigned char ucLength) //{ // unsigned char i; // for (i=0;i // UART1_FINGERPRINT_RECEVICE_BUFFER = UART1_Receive_Byte(); //} ////Ìí¼ÓÓû§ //unsigned char FP_add_new_user(unsigned char ucH_user,unsigned char ucL_user) //{ // // do { // FINGERPRINT_Cmd_Get_Img(); //»ñµÃÖ¸ÎÆͼÏñ // FINGERPRINT_Recevice_Data(12); //½ÓÊÕ12¸ö³¤¶ÈµÄ·´À¡Âë // } // while ( UART1_FINGERPRINT_RECEVICE_BUFFER[9]!=0x0 ); //¼ì²âÊÇ·ñ³É¹¦µÄ°´ÁËÖ¸ÎÆ // FINGERPRINT_Cmd_Img_To_Buffer1(); //½«Í¼Ïñת»»Âë´æ·ÅÔÚBuffer1ÖÐ // FINGERPRINT_Recevice_Data(12); //½ÓÊÕ12¸ö³¤¶ÈµÄ·´À¡Âë // do{ // FINGERPRINT_Cmd_Get_Img(); //»ñÈ¡Ö¸ÎÆͼÏñ // FINGERPRINT_Recevice_Data(12); //½ÓÊÕ12¸ö³¤¶ÈµÄ·´À¡Âë // } // while( UART1_FINGERPRINT_RECEVICE_BUFFER[9]!=0x0 ); // // FINGERPRINT_Cmd_Img_To_Buffer2(); //½«Í¼Ïñת»»Âë´æ·ÅÔÚBuffer2ÖÐ // FINGERPRINT_Recevice_Data(12); //½ÓÊÕ12¸ö³¤¶ÈµÄ·´À¡Âë // FINGERPRINT_Cmd_Reg_Model();//ת»»³ÉÌØÕ÷Âë // FINGERPRINT_Recevice_Data(12); // // FINGERPRINT_Cmd_Save_Finger(ucH_user,ucL_user); // FINGERPRINT_Recevice_Data(12); // // return 0; //} void main(void) { unsigned char temp_char = 0; UART_init_9600(); Delay_Ms(500); Delay_Ms(500); Delay_Ms(500); Delay_Ms(500); Delay_Ms(500); FINGERPRINT_Cmd_Get_Img(); while(1) { } } 
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4个回答
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51的串口驱动电流不足，加10k上拉电阻就行了
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有人有这个模块吗，帮我试试程序有没有问题，烧录好了之后指纹模块会亮起来，程序就算没问题了，谢谢
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