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

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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