预览加载中,请您耐心等待几秒...
1/2
2/2

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

2012IEEEInternationalConferenceonConsumerElectronics(ICCE) LightweightAUTOSARSoftwarePlatformforAutomotive JaeYoungKim,JungWookLee,JeonghoSon,Kee-KooKwonandGwangsuKim ElectronicsandTelecommunicationsResearchInstitute,Korea Abstract—WesuggestedalightweightAUTOSARsoftware platformconsistingofanAUTOSAROSandsoftware developmenttool.Thisisanewsoftwareplatformmodelofthe automotivesector.Thissoftwaredevelopmenttooliscomposedof theediting,projectmanagement,SystemGeneratortoolby extendingOSEKOIL2.5syntaxstructure.AUTOSAROSis extendedOSEK/VDXOSbyaddingsystemprotectionfunctions, real-timeschedulingfunctions,timerprocessingfunctionsandthe additionalobjectclassesandattributes.Thislightweight AUTOSARsoftwareplatformiswellsuitedfordevelopingtime- criticalapplicationsoftwareandcanbeutilizedtheapplication softwareforcontrollingautomotivepartsandmodules. Fig.1.ComponentsofthelightweightAUTOSARSoftwarePlatform I.INTRODUCTIONFig.1showsoverallcomponentscomprisingthelightweight AUTOSARSoftwareplatform. Theembeddedautomotivereal-timeoperatingsystem managestheschedulingoftasksandevents,resourceA.AUTOSAROperationSystem managementandprovidesfunctionsformonitoringanderrorAUTOSAROSspecificationextendsOSEK/VDXOSby handling.Therefore,AUTOSAR(AUTomotiveOpenSystemaddingsystemprotectionfunctions,real-timescheduling Architecture)OScoversthesecorefeatures.functions,timerprocessingfunctionsandthespecification AUTOSAROSisaBSW(BasicSW)moduleinAUTOSARrequiresadditionalobjectclassesandattributes[1]-[3]. standardspecificationandthisisexpandedsystemprotectionThemaincontentsimplementedareasfollows. functions,real-timeschedulingfunctionsandtimerhandlingScheduletable:Inordertosolvethemanyevent capabilitiesfromOSEK/VDX(OpenSystemsandtheirsynchronizationproblems,thescheduletableconceptdefined InterfacesfortheElectronicsinMotorVehicles)OSstaticallyExpiryPointsforactivatingtasksisintroduced.This internationalstandardspecification.conceptcanmakeeasytomanagewhenmanyrepetitivetasks AUTOSAROSisessentiallyanoperat