OSEK网络管理规范

insertpicture8cmx7cm©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.V2.042008-08-24DirectOSEKNetworkManagement©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:2AgendaPhysicalBasicsBasicsMechanismsStructureofAnimationSetupofaRINGTransitiontoBUSSLEEPTheLIMPHOMEStateANewNodeinaRunningNetworkLossofaNodeintheNetworkOSEKNMStateMachineBuserror–BUSOFFPhysicalBasics©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:3PhysicalBasicsModernVehiclewithLowspeedandHighspeedCANbus(andgatewaystootherbussystems)CANHighspeedCANLowspeedLINFlexRayMOST©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:4PhysicalBasicsQuiescentcurrentconsumption(ECUSleepmode)oftheECUsisaveryimportanttopicintheautomotiveenvironmentTheECUshavedifferentrequirementsfortransitiontoECUSleepmodeControlledtransitiontoECUSleepmodeThereareseveralmethodsofresolutionfortheseproblemsSecurityControlSeatControlClimateControl3ECUsintheCANnetworkasanexample©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:5PhysicalBasicsClimateControlSecurityControlSeatControlVCCGNDGNDGNDGNDGNDOFFONKL151.Methodofresolution:ECUsconnecteddirectlywiththeClamp15©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:6PhysicalBasicsSecurityControlSeatControlGNDVCCOFFONShouldbeworkingallthetimetodetecttheftintensionsPhysicaldeterminedfollow-uptimebeforepowerdownnotpossibleCanbeswitchedoffimmediatelyGNDGNDGNDGNDBasically3kindsofECUscanbeswitchedoffimmediatelyfollow-uptimerequiredlowpowermodebutalwaysonClimateControlKL151.Methodofresolution:ECUsconnecteddirectlywiththeClamp15SecurityControlSeatControlClimateControl©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:7OFFONPhysicalBasics100%0%ClimateControlSecurityControlSeatControlGNDKL30KL15OFFONPowerGNDGNDGND2.Methodofresolution:ECUsconnecteddirectlywiththeClamp30TheBatterydischarges©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:83.Methodofresolution:ECUsconnecteddirectlywiththeClamp30andaNetworkManagementisusedOFFONPhysicalBasics100%0%SeatControlGNDKL30OFFONPowerGNDGNDGNDBusSleepBusisAwakeNetworkManagementBusSleepClimateControlSecurityControlKL15(asCANSignal)©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:9PhysicalBasics100%0%SecurityControlSeatControlGNDKL30OFFONPowerGNDGNDGNDBusSleepBusisAwakeNetworkManagementClimateControlSeatControl3.Methodofresolution:ECUsconnecteddirectlywiththeClamp30andaNetworkManagementisusedKL15(asCANSignal)ITrcvrImax©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:10OFFONPhysicalBasics100%0%SecurityControlGNDKL30OFFONPowerGNDGNDGNDBusSleepBusisAwakeNetworkManagementClimateControlITrcvrImaxIminImaxSeatControl3.Methodofresolution:ECUsconnecteddirectlywiththeClamp30andaNetworkManagementisusedKL15(asCANSignal)©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:11OFFONPhysicalBasics100%0%SeatControlGNDKL30OFFONPowerGNDGNDGNDBusSleepBusisAwakeNetworkManagementClimateControlITrcvrImaxIminITrcvrImaxImaxClimateControlSecurityControl3.Methodofresolution:ECUsconnecteddirectlywiththeClamp30andaNetworkManagementisusedKL15(asCANSignal)©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:12PhysicalBasicsSummaryDistinguishbetweentheNetworkManagementstateBUSSLEEPandtheECUisswitchedofforinlowpowermodeBUSSLEEPisthenecessaryconditionforanECUtogotolowpowermodeortoswitchofftheECU.©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:13AgendaPhysicalBasicsBasicsMechanismsStructureofAnimationSetupofaRINGTransitiontoBUSSLEEPTheLIMPHOMEStateANewNodeinaRunningNetworkLossofaNodeintheNetworkOSEKNMStateMachineBuserror–BUSOFFBasicsMechanisms©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:14BasicMechanisms–TasksoftheNetworkManagementControlTransitiontoBusSleepModeDeterminationofNetConfigurationMonitoringofConfigurationDuringOperationPrepareStatusInformationBus-OffHandling©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:15BasicMechanisms–NMMessageByte0Byte1AppearanceinfollowinganimationsequencesIDDestinationDLCUserDataByte2-7SleepAcknowledgeSleepIndicationLimpHomeRingAliveOpCode40XXALIVECompleteNetworkManagementMessageAdirectNetworkManagementhasitsownNetworkManagementMessagesBaseaddress