蓝牙模块串口通信的设计与实现

31320123RESEARCHANDEXPLORATIONINLABORATORYVol．31No．3Mar．2012111121．2004332．214131。。。HCITN70A1006－7167201203－0079－04DesignandRealizationofSerialCommunicationinBluetoothModuleZHANGQun1YANGXu1ZHANGZheng-yan1LUQi-yong121．DepartmentofElectronicEngineeringFudanUniversityShanghai2004332．WuxiResearchInstituteFudanUniversityWuxi214131ChinaAbstractBluetoothtechnologyisakindoftechnologysuitableforshortdistancewirelesscommunicationandhasfeaturesofhighsecurityandlowinterference．InthepaperabluetoothmodulewasdevelopedusingSignal-ChipMicrocomputerandcommunicationbetweenbluetoothmoduleandmobilephonewithbluetoothwasestablishedsothatSignal-ChipMicrocomputerandbluetooth’ssystemwerecontrolledbyamobilephone．Atthesametimethebluetoothmodulecouldbebindedtoaspecialbluetoothdeviceandembeddedinthesafesystemtogreatlyimprovethesystem’ssecurityandrobustness．KeywordsserialcommunicationbluetoothprotocolbluetoothfirmwareHCIinterface2011－05－211987－。1966－。[e-mail]02．4GHzISM。。48bit1-4。。11．115-6。I/O。、、2．4GHz2．4GHz。RAM。Flash。MCUBasebandDSP31。IOSPI、PIO、PCM、UART/USB4。13HCI、、。HCIHCI。1RS232RFCOMM。、4。1．2HCIHCI6。HCIHCI、。HCI。HCI7-8。HCI4USB、RS232、UART、SDHCIHCI、HCI、HCI_ACLHCI_SCO1。22．12①②6。。2。22．2CSRBC417143V2．0UART、SPI、PCM、PIO3．3V9600b/s。PCPCAT9-10。AT89C20515V2KB128B2AT89C2051MCS-51KC51。24LC02IICEEPROM2Kbits。IO。LT10843．3vLM25765v。IOIOIO。。P1．4P1．4。312。2083。3。HJR1-2C48。32．31111。56、、、、。5HCI_Reset、HCI_Read_Buffer_Size、HCI_Write_Scan_Enable、HCI_Write_Connection_Accept、HCI_Page_Timeout、HCI_Set_Filt。HCI_Inquiry。HCI_Creat_Connection。HCI_Acl_Data。HCI_Disconnection。、bluetoothspecificationsVersion2．0+EDR11、。bluetoothspecificationsVersion2．0+EDR0x010x030x0C0x000x040x0E0x040x010x030x0C0x00。KC51。unsignedinthci_resetvoiduncharreset_cmd4=0x010x030x0c0x00//uncharreceive_event7=0x000x000x000x000x000x000x00//uncharreset_event7=0x040x0E0x040x010x030x0C0x00//intiintsa=0TI=0fori=0i＜4i++SBUF=reset_cmdiwhileTI==0TI=0RI=0fori=0i＜7i++whileRI==0receive_eventi=SBUFRI=0fori=0i＜7i++ifreceive_eventi==reset_eventisa++returnsasa7。。2．4、、、、。ID18310102030405。ID。11。/。ID++。、ID+++/+/。ID++++。zqascill123456。017a71123456。2．5WindowsCE。RFCOMMRS232RFCOMM。12-13。4。43017a7112345648。5。45。。、、GPS14-16HCI。References1．M．2006．2．M．2002．3．M．2001．4．M．2001．5CSRBC419143BdatasheetS．20064．6．ARM、D．200748-50．7BluetoothspecificationsVersion2．0+EDR．370-650．http//．docin．com/p-57455142．htmlDB/OL．8．、M．2006．9．M．2006．10．M．2005．11．M．2002．12．VisualC++M．2003．13DavidJ．KruglinskiScotWingoGeorgeShepherd．ProgrammingVisualC++6．0M．1999．14．M．2003．15．J．20023041-10．16．J．200129558-60．28