面向汽车电子的嵌入式软件研究与开发(3)
发布时间:2021-06-06
发布时间:2021-06-06
Abstract
、聃thprogressofsocietyandexpeditiousdevelopmentofautomobileindustry,
thedemandsoflowenergycosLcomfort,andenvkonmentalprotectioninautomobile
mores仃ong,whichstimulateelectronictechnologyapplicationon
automobile.Andtheapplicationproportionispersistentlyincreasing.Meanwhile,asaremoreandthecomplexityofautomobileelectroniccontrolsoftwareisincreasing,kindsofembeddedsystemsareusedinautomobilefield.HowtOexploitsafe,credibleandefficientembeddedsoRwareforautomobileelectronicnOWistheproblemwhichconcernsautomobilefieldbotllhereandabroad.ABScontrolalgorithmandembeddedsoftwareexploitingarediscussedinthepaper.
Thispaperincludesthefollowingcontent:
1.BackgroundofautOmobileelectronic,inevitabilityofembeddedsoRware
appliedinautomobile
arefield,andembeddedanalyzed.sottwaredevelopmenttrendforautomobileelectronic
2.OnthebasicofabriefintroductionofABScontrolsystemtheory,ABScontrol
modelissetupandcontrol
一policyforlogicgatemethodispresented.on
on3.TheimplementationofABScontrolalgorithmOSEKTurboembeddedsystemisdesignedandcompleted.Thispartofworkfocus
tasksstructuredesign
4.Analgorithmmoduleflow,andcoding.schemeofdatacapturecardwithCANinterfaceisbroughtoutimplement
foraproblemwhichwemeetduringbuildingtestingenvironment.TheproblemisthatECUCan’trapidlystorekeydatawhenalgorithmisrunning.ImainlystudyanddiscussMCP2510driverdesignunderlinuxandmultithreadapplicationexploitation.Meanwhile,amultilevelbufferareaschemeisputforward,whichresolvesthedifficultproblemthatnon-realtimeOSuClinux
receivingimplementhi曲speed
withnetworkdataandlowspeedwritingrecord.goodcontrolresultisItispresentedbytesting,thatABScontrolsoRware
robustandofstrongrealtimeability.TestingalsoshowsthatdatacapturecardwithCANinterfacemeetstestingrequirements,whichCanrapidlyandcompletelyreceivedata,andthenstoretheminthecard.
Keywords:AutomotiveElectronic,EmbeddedSoftware,OSEK/VDX,OSEKTurbo,uClinuxⅡ
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