车身控制器设计方案.ppt

车身控制器设计方案automobilebodymodelarchitecturedevelopment agenda scopeofprojectfunction featuremodulessystemanalysishardwarespecificationsoftwarearchitecturedevelopmenttoolchainprojectpositiontargetmodels y11 y21 y22designinwindowco operationmodelrolesandresponsibilitiesmemorandumofunderstandingjointlabpartnershipwithtier1protectionscheme mutualinterest projectmilestones schedules scopeofproject specificationclarificationfunctiondescriptioncontrolflowsystemanalysisblockdiagramarchitectureproposalsystempartitioning hardware software hardwaremodules scalability softwaremodules api algorithm flowchart drivers mcu icselectionbillofmaterialsevaluation bom costevaluation mcu smos rkedevelopmenttools ecu actuator switch developmenttoolchaindevelopmentschedule specificationclarification opendiscussion functiondescriptionconfirmmandatoryvoptionalfeaturescontrolflowlatencypowerwindowpowermirrordoorlocking unlockingpowercurtainpowerseatinteriorlightingexteriorlightingwiper washerflowchartprioritisationoffeaturescac sconfirmrevised andfrozen specification lowendplatformconfiguration basicdoorlock unlockrkedoorlock unlock trunk vehiclespeedlockingdoorstatusfeedback trunk bonnet antitheftalarmbasiclightcontrolrkelight turnlightflash interiorlight dooropenindication windowlift4doorsstalldetectionautoclosesunroofhighspeedinhibitedautocloseanti pinchkeystatuskeywarningkeystatusinputrearwindowdefrosthorncontrolfront rearwiper frontwasher controlledbyecu controlleddirectlybyswitch see lowendplatform doc lowendplatform低端平台控制对象 lowendplatformbcm driverdoordoorlockwindowlift rearleftdoordoorlockwindowlift passengerdoordoorlockwindowlift rearrightdoordoorlockwindowlift exteriorlight rkelight interiorlight rearwindowdefrost key anti alarm rke sunroof keypad trunklock siren windowmotorcurrent 4 blockdiagram defrost interiorlight windowmotor 4 rearwindowdisable doorajarstatus1 doorlockswitch 2 keystatus 4 ground mc908gr16mc9saw32 powersupply 5v 12v digitalinput analoginput speedsensor rkereceiver relaydrive leddriver siren relay diagnosis kline batteryvoltage windowswitch 8 inputcapture sunroofswitch 2 3 sunroofmotorsensor 6 2 rearwindowdefrostswitch 2 8 2 doorlock 4 turnlight 2 antitheftled sunroofmotor 2 16 enginespeedsensor 19 buzzer buzzer schematic icsselection connectorampcacrelaydriveron mc1413 ncv1413ulq2003freescale mc33291lrelayxiamenhongfatycoparalleltoserialmc74hc165apowersupplyncv42767805mcumc9s08aw32rkeoptionsfreescalesolution romeo2andtango usingteamac microchipsolution hcs515 hcs320 bodycontrollermodulecodesizeestimates untiltheactualapplicationisdesignedanddeveloped itisdifficulttoaccuratelypredicttheamountofcodespacerequired inparticularthelevelofanti pinchandalsodiagnosticapproacheswillhaveasignificantimpactonthefinalcodesize indeedtheoperatingsystemselected ifany willalsocontributetothecodesize anotherfactorwillbethesoftwarestyleused ieassemblerversus c andtheefficiencyofthecompiler however basedonexperiencethefollowingisaconservativecodesizeestimate withmoreaggressivefiguresinbold inamassvolume aggressivemarketitseemsrealistictotarget16kasbeingsuitablefortheforthelow endplatform bodycontroller lowend mcuanalysis note costsbasedon100kminin2006 mc9s08awfamily featureset 1 2kram 2 ch16 bittimer 16k 60kflash 16 ch10 bitadc ice bdm kbi spi iic icg 20mhzbus 2sci featuresmemory16 64kflash capableofeepromemulation1 2kbytesoframinternalclockgenerator icg upto20mhzbusflldigitally controlleroscillator dco preservesprevioussettingseparateself clockedsourceforrealtimeinterrupt2 accuracyoverfulloperatingrangeserialcommunicationiic synchronous 2spi synchronous andsci asynchronous timers6 channeltimer pwmmodule tpm 2 channeltimer pwmmodule tpm analogmodules16 ch 10 bitanalog to digitalconverter 3usconversions adcmeasurementsinstopmodeauto monitorcapabilityenhancedlvwi oslewratecontroldrivestrengthcontroldevelopmenttoolsonchipiceandbdm 6 ch16 bittimer por cop package 64qfp 64lqfp 48qfn 44lqfp lvi hcs08cpu20mhz awfamilykeyadvantages firstdeviceins08familytobe5vcapable bringsalltheadvantagesofthehcs08familytohighpincountdevices continuationoffreescalehighend8bitmcuoffering fullfeaturesetforeasydevelopment advancedanalog multiplecommunicationsoptions attractiveprice summary highintegration highperformance attractiveprice easytousebestinthemarkettheaw familyisthefirsts08devicesof5vcapability itisthecontinuationoffreescalehighend8bitmcuoffering highintegration havingeverythingyoucanaskforageneralpurposemcu highpincount providingcustomerwithmaximumflexibility highperformanceanalog includingimprovedadcandenhancedlvwstartingupdevelopmentwiththisdeviceisextremelysimpleandinexpensivewiththelow costdemoboard withintegratedusbbdmmultilink andspecialeditioncodewarriorattractiveprice generalpurposeuseisonlythebeginning mc3359x romeo3 general frequency 315to915mhzmodulation ookandfsk softwareselectable datarate upto19 2kbpstemperaturerange 40to 85 csupplyvoltage 2 1v 3 6vpackage lqfp32receiver sensitivity 103dbmto 81dbmtypin4stepsdatamanagerwithclockrecoveryformanchestercodedsignalsrssi 75dbdigitaland55dbanalogchannelbandwidth 400khzcurrentconsumption 8matyp applications automotiverke homeautomationbuildingcontrolgaragedooropener remotemetering rfdatatransfer mcxxxxxisahighlyintegratedreceiverdesignedforlowvoltageapplication itsincludesaprogrammablepllformultichannelapplication arssicircuit astrobeoscillatorthatwakesupperiodicallythereceiverwhileadatamanagerchecksthecontentofincomingmessage lqfp 32 customerbenefits simplesystemdesign spiinterfacetomcu lowsystempowerconsumptionwithdatamanagerandstrobeoscillator fastersoftwaredevelopmentwithdatamanager reducedspace enhancedreliability fasterdesigncycletime fewrfexpertiseneeds economicalsolutionwithfewexternalcomponents nowsampling rssi3vvccfrac npll backtorm developmenttools ecu actuator switch software ecu mcu systemdevelopment codewarrioride integrateddevelopmentenvironment acrossplatformreusability compatibilityhcs08v3 1standardhcs12v3 1standardhardwareusbmultilinkbdmsametoolsupportshcs08 hcs12supportsinchipemulation ice actuator switchcac sqqsoftware pcbdevelopment protel2004schematiccapturelayout interfacetype switchinputsignalinputleddriverrelaydriverpowersupplyklineinterfacemculayout switchinput 1 switchtoground thedigitalinputhasaswitchtoground thecurrentthroughswitchisdeterminedbythepull upresistorr4 theesdprotectionisprovidedbyacapacitorc22andalowresistanceimpedance themaximumcurrentisdeterminedbyaseriesresistorr5 debounceisadditionalmadebyacapacitorc3 tobcminput switchinput 2 switchtovbat thedigitalinputhasaswitchtovbat theesdprotectionisprovidedbyacapacitorc31andtwovoltageclampingdiodes themaximumcurrentisdeterminedbyaseriesresistorr55 debounceisadditionalmadebyacapacitorc20 signalinput speedsignalinput speedsignalinputisfromvehiclespeedsensor speedsignalismeasuredafterarc networkdirectlyatthetimerofthemicrocontroller fromspeedsensor leddriver leddriver ledindicatorisdrivenbyatransistor rc networkwouldhelpminimizeemieffects r91andr84areoptionaldependingtheloadcircuit relaydriver relaydriver relaysaredrivenbyncv1413transistorarrays thefollowingloadsarecontrolledbyrelay doorlock windowliftmotor sunroofmotor rearwindowdeforest powersupply powersupply ncv4276suppliesthestablevoltagewithlowquiescentcurrentconsumptioninharshautomotiveenvironments dioded13providesreversebatteryvoltageprotect klineinterface klineinterface themc33290isaseriallinkbusinterfacedevicedesignedtoprovidecommunicationinterfacinginautomotivediagnosticapplications itisdesignedtointerfacebetweenthevehicle son boardmicrocontrollerandsystemsoff boardthevehicleviathespecialisokline themc33290isdesignedtomeetthediagnosticsystemsiso9141specification thedevice sklinebusdriver soutputisfullyprotectedagainstbusshortsandovertemperatureconditions mculayout mculayoutrecommendation softwaremodule api algorithm flowchart codewarriorprojectorganizationprogrammingguidelinehardwaredriversinitialization timer a d spi io sci icg flasheepromemulationbootloaderdocumentationslindriver available candriver available slide25 example microcontrollerabstractionlayer slide26 overviewofsoftwarearchitecture slide27 flash c 16 ch10 bitadc c kbi c spi c iic c sci c 6 ch16 bittimer1 c can c lin c lvi c keymodule doorlockmodule sunroofmodule windowsliftmodule rkemodule turnlightmodule anti theftmodule rearwindowdefrostmodule k line interiorlightmodule icg c 20mhzbus 2 ch16 bittimer2 c bcm ddm pdm applicationlayer modulelayer driverslayer codewarriorprojectdemo alincluster structuredescriptiontheclustercompriseonelinmaster mc68hc908gz16 andtwoslaves mc68hc908ey16 mc68hc908qy4 functiondescriptioneachslavehasfourledswhosestatescanbecontrolledbyasinglepush buttonswitch theresultingfourbitsofdataisreturnedtothemasteranddisplayedonfourgreenleds theotherfourredledsonthemasterareusedtoindicatetheslaveid ifmorethanoneslaveisconnected themaster sdisplaycyclesroundallthosepresentonthebus slide28 linclustermasterschematics slide29 lincluster softwarearchitecture targetplatformhwmodules mcu on chipandon boardperipheralsfiles cacle schdoc cacle pcbdoc slide30 driverslayerdriver timer sci spi files hwlinsci c hwlintmr c sysvector c start08 c moduleslayermiddlewareapi linapifiles funlinapi c funlincfg c funlininit c applicationlayermiddlewareapi master slaveapifiles appmaster c appslave c hardware software lincluster filesreview cacleblin prm linkspecificationinformationlinklinmgz16 absnamesansi libendsectionslin zram read write0 x0040to0 x00ff zeropage lin ram read write0 x0100to0 x03bf programdata lin stack read write0 x03c0to0 x043f stack lin rom read only0 xc000to0 xfdff programcodeendstacksize0 x001fentries vectabendinit startup containslinereplacingdefault prestart mapfileon slide31 lincluster filesreview start08 c startupcodestaticvoidinit void purpose 1 zerooutram areaswheredataisallocated2 initrun timedata3 copyinitializationdatafromromtoram asm zeroout lda startupdata nofzeroouts 1 nofzerooutsincastai 1 iiscounterfornumberofzerooutslda startupdata nofzeroouts 0 nofzerooutsincastai 0ldhx startupdata pzeroout pzerooutbrazero 5copydown pragmano exit extern cvoid startup void init sp from startup desc 1 initializethestackinit 2 initializerun time initializetheram copydowninitdatetc init asmjmpmain 3 callmain slide32 lincluster filesreview hwlinsci c scimanagementmodule function l ifc connect sci0 description connectsci clearallsciflags enablesciinterrupts resetidletimeout returns 0 success 0 calledbeforel ifc init notes ifalreadyconnectedthendonothing l sys initserviceshallnotbecalledfromaninterrupt l booll ifc connect sci0 void l irqmaskintmask ifl ifc connectcalledbeforel ifc initthenreturnerror if lin stateflags slide33 lincluster filesreview funlinapi c linapirealization function lin gotorun description changethecurrentdriverstatefromsleeptorun thelin gotorun servicechangesthecurrentdriverstatefrom sleep to run andresetthe no bus activity conditioncounter ifthecurrent driverstateis run already thisservicecalldonothing returns none notes 1 apiservicecall 2 master setidletimeout setwakeupdelimitertimeoutandwaitit 3 slave setidletimeoutandgotoignorestate 4 ifinrunalready noanyactions 5 disableinterruptdon tneededbecouseinsleepmode driverdonothing voidlin gotorun void if lin stateflags endif defined slave slide34 mid rangeplatform openquestions crashdetectionisthisacanmessage doorunlocking whereisthesignalfrom powerseatisstalldetectionrequired featuredisabledatcertainspeed windowliftnoanti pinchbutone touchwindowlift clarifyilluminatorgroupwhatitemsareinsidethisgroup rkeindicatoranti theftlightorled numberofinputsrequiredforkeylock 2 3 4 curtaininputs viacan mirrorfoldcurrent documentstates90ma butsurelytoolowvehiclespeedhowisthismeasured andhowfrequentisitupdated howisthiscommunicatedintothebody ignitionkeystatus sunroof completelyindependentmodule slide35 mid rangesystemarchitecture slide36 bodycontrollermodule linmaster driverdoormodule linslave passengerdoormodule doorlock windowlift keypad mirror turnlight powerseatcontrol windowliftrearright windowliftrearleft rke courtesylighting linslave doorlock windowlift keypad courtesylighting frontlighting mirror turnlight vehiclespeed isthisdirecttodoor ornetworkok crashdetect missingfunctions rearwindowdefrost frontwiper washer horncontrol antitheftalarm doorlock linnetwork caninterface cannetwork linktopowertrain lininterface lininterface lininterface reardoor trunk bonnetstatus courtesylighting controldirectlyfromswitch nomcuinteraction exceptpowermanagement powercurtain driverdoor reardoor blockdiagram slide37 windowmotorcurrent 2 mirrordefrost courtesylight 2 feet courtesysigning windowmotor 2 rearwindowdisable doorajarstatus2 doorlockswitch 2 ground mc9s08aw16 powersupply 5v 12v digitalinput analoginput relaydrive lin lin windowswitch 8 2 2 4 2 doorlock 2 turnlight 1 4 16 20 mirrorswitch 7 mirror folding 2 2 relaysarelocatedinside passengerdoor reardoor blockdiagram slide38 windowmotorcurrent 2 mirrordefrost windowmotor 2 rearwindowdisable doorajarstatus2 doorlockswitch 2 ground mc9s08aw16 powersupply 5v 12v digitalinput analoginput relaydrive lin lin windowswitch 4 2 2 4 2 doorlock 2 turnlight 1 4 16 8 mirrorswitch 7 mirror folding 2 2 relaysarelocatedinside courtesylight 2 feet courtesy signing centralbodycontrollerblockdiagram relaysolution slide39 siren horn defrostandpowercurtain interiorlight roof map glove headreading keyhole seatmotor 4 powerseatswitch 8 exteriorlightswitch 12 keystatus 4 ground mc9s08dz32mc9s12c q32 powersupply 5v 12v digitalinput analoginput rkereceiver relaydrivemc33291l leddriver siren relay lin can k lin can kline trunk bonnetstatus sunroofswitch 2 3 sunroofmotorsensor 5 rearwindowdefrostswitch 6 5 9 exteriorlight front rearwiper frontwasher 6 antitheftled sunroofmotor 2 27 38 buzzer buzzer powerseatmotorcurrent 4 interiorlightswitch wiper washerswitch 5 highbeam 1lowbeam 1tail license 1turnlight 2fog 2reverselight 1brakelight 1 powercurtain 2 keylocksolenoid horn antitheftsirendetection 3 highendplatformarchitecture slide40 lin a bodycontrollermodule mid range proposal1 slide41 windowliftswitches antipinch mcu leftrearwindowup down rightrearwindowup down rearwindow right anti pinch vbattpos vbattneg lin fronttiltup down reartiltup down horizontalforward rearward reclinerforward rearward memoryset driverlock driverunlock powerseatcontrol doorlock h bridgemc33887 doorlockmotor 3a 6a out1 out2 en in1 in2 d1 fs fb adcchannel portinput portoutput portoutput portoutput portoutput linsbcmc33689 scitx scirx vrego p wake ups portinput portinput adcchannel portinput portinput portinput portinput portinput portinput portinput m windowlift 6a 29a portoutput portoutput relay fetdriver act212 portoutput softstartoption leftreardoor ajar portinput rearwindowdisablestatus curtainmotorbacklightcontrol portoutput portoutput windowdrive rear x2 doorlockdrive x2 misclights canlo canphymc33388d cantx canrx wake ups canhi rearwindow left anti pinch adcchannel rightreardoorajar portinput trunkajar portinput memoryrecall 1 portinput memoryrecall 2 portinput m wiperlow hi washerpump 6 8 10a portoutput portoutput relay fetdriver act212 portoutput wiper pump curtainopen close portinput reversegearstatus portinput portoutput m curtainmotor 0 6a 0 9a portoutput relay fetdriver act212 portoutput m seatmotor 4motors 6a 30a portoutput relay fetdriver act212 seatdrive x4 portinput memoryset seat portoutput relay s fetdriver interiorlightingpower exteriorlightingpower portoutput portoutput rke mc33591 romeo spiinput bodycontrollermodulecodesizeestimates slide42 untiltheactualapplicationisdesignedanddeveloped itisdifficulttoaccuratelypredicttheamountofcodespacerequired inparticularthelevelofanti pinchandalsodiagnosticapproacheswillhaveasignificantimpactonthefinalcodesize indeedtheoperatingsystemselected ifany willalsocontributetothecodesize anotherfactorwillbethesoftwarestyleused ieassemblerversus c andtheefficiencyofthecompiler however basedonexperiencethefollowingisaconservativecodesizeestimate withmoreaggressivefiguresinbold inamassvolume aggressivemarketitseemsrealistictotarget32kasbeingsuitableforthemid rangeplatform bodycontrollermodule mid range proposal1analysis slide43 smosanalysis note costsbasedon1muminin2007 driverdoormodule mid range proposal1 slide44 windowliftswitches antipinch mcu driverwindowup down passengerwindowup down rearleftwindowup down rearrightwindowup down driverwindowanti pinch vbattpos vbattneg lin mirrorleft cossmc33879 mirrorposition x 90ma 110ma m mirrorposition y 90ma 110ma mirrorright mirrorup mirrordown mirrorselect childswitch driverlock driverunlock mirrorcontrol doorlock h bridgemc33887 doorlockmotor 3a 6a out1 out2 en in1 in2 d1 fs fb adcchannel portinput portoutput portoutput portoutput portoutput linsbcmc33689 scitx scirx vrego p wake ups x turnlight0 5a 5w inmirror cs di do sclk en portoutput spiss spimosi spimiso spispsck mirrorfold cacdocstates90ma buttoolow hence a h bridgemc33887 out1 out2 en in1 in2 d1 fs fb portinput portoutput portoutput portoutput portoutput adcchannel portinput portinput portinput portinput portinput adcchannel portinput portinput portinput portinput portinput portinput portinput m windowlift 6a 29a use6outputstocreate2h bridges lowsidedrive vbattpos portoutput portoutput relay fetdriver act212 portoutput softstartoption driverdoorajar portinput portoutput portoutput mirrordrive windowdrive doorlockdrive misclighting relayformirrorheater12w 1a portoutput doormodule mid highend codesizeestimates slide45 untiltheactualapplicationisdesignedanddeveloped itisdifficulttoaccuratelypredicttheamountofcodespacerequired inparticularthelevelofanti pinchandalsodiagnosticapproacheswillhaveasignificantimpactonthefinalcodesize indeedtheoperatingsystemselected ifany willalsocontributetothecodesize anotherfactorwillbethesoftwarestyleused ieassemblerversus c andtheefficiencyofthecompiler however basedonexperiencethefollowingisaconservativecodesizeestimate withmoreaggressivefiguresinbold inamassvolume aggressivemarke