基于AT89C52单片机的心率采集和无线传送系统

294Vol．29No．4201107JournalofJiamusiUniversityNaturalScienceEditionJuly20111008－1402201104－0538－03AT89C52①154007AT89C52AT89C52nRF905、、、．、．nRF905TP368．1A01．、．．．nRF905AT89C52．1．1．PC．．12．2．12．1．1①2011－05－241984－．4AT89C52．OPT101．．OPT1012．．OP07LM324N．A/DADC0809．22．1．2nRF905AT89C52．nRF905NordicVLSIShockBurstnRF9053．nRF905SPI．I/OnRF905、SPInRF9052．AT89C52nRF905AT89C52P0．2P0．1P0．0nRF905PWRUP、TRXCE、TXENnRF905．P0．4nRF905CDnRF905P0．5nRF905AMT1nRF905DR．nRF905SPIMISOMOSISCKCSNP2．0～P2．3nRF905．2．1．3．AT89C525VnRF9051．9～3．6VOPT1013．0V41．5V．2．2、、PC．2．2．1nRF905ShockBurst．nRF905．nRF905．nRF905．2．2．2PC．PCLabView8．5．．PCRS－232．MAX3223．9．4PC．2．2．3220V．．39352011、、．．．3PCPC．4AT89C52．nRF905．．1．J．200802．2．OPT101J．1999．12322－24．3．nRF905J．20096．4．J．20085228－29．5460452011functiont=flbzm=l/bn=z/b+epst=atanm/n*1+m^2+n^2^0．5+m*n*1+m^2+2*n^2/m^2+n^2*1+n^2*1+m^2+n^2^0．5/2*pi32q．q=120．0kPaa=8md=10mR=1．5mΨs=1．2．2．．4．AOB．S161616．58SB=176．32mmΨsSB=1．2×176．32=211．58mm．S1616188SO=105．35mmΨsSO=1．2×105．35=126．42mm．S161619．58SA=65．84mmΨsSA=1．2×65．84=79．1mm．ΨsSB=210．29mmΨsSO=127．35mmΨsSA=79．88mm1%．4MATLAB．．1．M．2009．2．M．2007．3．MATLABM．2008．4．GBJ7－89櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹櫹．540HeartRateAcquisitionandWirelessTransmissionSystemsBasedonAT89C52MicrocontrollerWANGAnJiamusiUniversityJiamusi154007ChinaAbstractAsystemofheartrateacquisitionandwirelesstransmissionwasdesignedbasedonAT89C52u-singAT89C52microcontrollerasthecore．Thehumanheartratesignalacquisitionprocessingwirelesstrans-missionanddisplaystorageandotherfunctionswereobtained．Majorbreakthroughsinsizeweightandotheraspectsweremade．Problemsinthetraditionalheartratemeterthatdatacannotberemotedeliveredweresolvedthroughwirelessdevices．KeywordsheartrateSCMnRF905櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡櫡wirelesstransmissionsystem543DesignoftheHospitalWardEnvironmentMonitoringSystemBasedonMODBUSProtocolDINGXiao－diJiamusiUniversityJiamusi154007ChinaAbstractThispaperpresentedasetofMODBUSprotocolonhospitalwardenvironmentmonitoringsys-temhardwareandsoftwareimplementationstheModbusprotocol－basedmicrocontrollerwitheViewMT5600TAT98S51－typetouchscreendevicebuiltintothecoreofacompletewardenvironmentmonitoringsystemuseofsmokesensorsMQ－2DS18B20HF3223onthewardsoftemperaturehumidityandearlywarningoffirecon-ditionsandthecorrespondingdeviceviathetouchscreencontrolswitch．KeywordsMODBUSMCUenvironmentalmonitoringeViewMT5600T645