車身控制器設(shè)計(jì)方案

1、車身控制器設(shè)計(jì)方案第一頁(yè)，共94頁(yè)。AgendaScope of Project Function / Feature modulesSystem AnalysisHardware SpecificationSoftware ArchitectureDevelopment Tool chainProject Position Target models: Y11, Y21, Y22Design in WindowCo-operation model Roles and ResponsibilitiesMemorandum of UnderstandingJoint LabPartnership

2、 with Tier1Protection scheme (mutual interest)Project Milestones / Schedules 第二頁(yè)，共94頁(yè)。Scope of ProjectSpecification ClarificationFunction DescriptionControl FlowSystem AnalysisBlock DiagramArchitecture proposalSystem partitioning (Hardware & software)Hardware Modules (Scalability)Software Modules (A

3、PI, Algorithm, Flowchart, Drivers)MCU & IC SelectionBill Of Materials evaluation (BOM)Cost Evaluation MCU, SMOS, RKEDevelopment Tools (ECU, Actuator, Switch)Development tool chainDevelopment Schedule 第三頁(yè)，共94頁(yè)。Specification Clarification open discussionFunction Description Confirm mandatory v optiona

4、l featuresControl Flow LatencyPower WindowPower MirrorDoor Locking & unlockingPower curtainPower SeatInterior LightingExterior LightingWiper, WasherFlow chartPrioritisation of featuresCACs ConfirmRevised (and frozen!) specification第四頁(yè)，共94頁(yè)。Low End Platform ConfigurationBasic Door Lock/UnlockRKE door

5、 lock/unlock (Trunk)Vehicle speed lockingDoor status feedback (Trunk, Bonnet)Antitheft alarmBasic Light ControlRKE Light (turn light flash)Interior light (door open indication)Window Lift4 doorsStall DetectionAuto closeSunroofHigh speed inhibitedAuto closeAnti-pinchKey StatusKey warningKey status in

6、putRear Window DefrostHorn ControlFront/Rear Wiper & Front WasherControlled by ECU Controlled directly by switch See “Low End Platform.doc”第五頁(yè)，共94頁(yè)。Low End Platform低端平臺(tái)控制對(duì)象Low End PlatformBCMDriver DoorDoor LockWindow LiftRear Left DoorDoor LockWindow LiftPassenger DoorDoor LockWindow LiftRear Right

7、 DoorDoor LockWindow LiftExterior Light (RKE Light)Interior LightRear Window Defrost Key Anti-Alarm RKE Sun roof KeypadTrunk Lock第六頁(yè)，共94頁(yè)。SirenWindow Motor Current * 4Block DiagramDefrostInterior LightWindow Motor * 4Rear Window DisableDoor Ajar Status 1Door Lock Switch * 2Key Status * 4GroundMC908G

8、R16MC9SAW32Power Supply5V+12VDigital InputAnalogInputSpeed SensorRKEReceiverRelayDriveLEDDriverSiren(Relay)DiagnosisK LineBattery VoltageWindow Switch * 8Input CaptureSunroof Switch * 23Sunroof Motor Sensor62Rear Window Defrost Switch282Door Lock * 4Turn Light2Antitheft LEDSunroof Motor216Engine Spe

9、ed Sensor19BuzzerBuzzer第七頁(yè)，共94頁(yè)。Schematic第八頁(yè)，共94頁(yè)。ICs SelectionConnectorAMP CACRelay DriverON: MC1413, NCV1413ULQ2003 Freescale: MC33291LRelayXiamen Hongfa TycoParallel to SerialMC74HC165APower SupplyNCV42767805MCUMC9S08AW32RKE optionsFreescale solution: ROMEO2 and Tango (using TEAMAC)Microchip solu

10、tion: HCS515, HCS320第九頁(yè)，共94頁(yè)。Body Controller Module code size estimates Hi-end(Kbytes)Mid-range(Kbytes)Lo-end(Kbytes)OS & Main Routine3.0 (3)3.0 (3)2.0 (1.5)LIN2.0 (1)2.0 (1)N/ACAN32 (16)16 (8)N/APower Seat4.0 (3)3.0 (3)N/ALock3.0 (2)2.0 (2)1.5 (1)Window16.0 (8)8.0 (5)8.0 (4)RKE & Low level driver4

11、(2)4 (2)3 (2)Miscellaneous (wiper, courtesy lights, turn light, door ajar, etc)4 (2)4 (2)1.5 (1)Total (not including diagnostics)65 (37)42 (26)16 (9.5)Until the actual application is designed and developed, it is difficult to accurately predict the amount of code space required. In particular the le

12、vel of anti-pinch and also diagnostic approaches will have a significant impact on the final code size. Indeed the operating system selected (if any) will also contribute to the code size. Another factor will be the software style used (ie assembler versus C) and the efficiency of the compiler.Howev

13、er, based on experience the following is a conservative code size estimate, with more aggressive figures in bold:In a mass volume, aggressive market it seems realistic to target 16K as being suitable for the for the low-end platform.第十頁(yè)，共94頁(yè)。Body Controller (Low End) MCU analysisMCU analysisInput pi

14、nsOutput pinsADC pins (channels)SCISPIMemoryMisc(crystal, CGM, power, RST, IRQ)Total Pins required / usedOptimumpackageCostAvailability (MC date in brackets)22 18 51 (2 pins)1 (4 pins)16K11 (2+1+6+2)6264?HC908GR16A22185+1116K116248lqfpLowerQualifiedHC9S08AW3222185+1+132K10 (12 with ext crystal)61 (6

15、3)64lqfpLowestQualifiedMC9S12C3222185+1132K116252/80HighQualfiedMC9S12GC1622185+1116K116252/80lowQualfiedHCS908DZ3222185+1+132K10(12 with ext crystal)61 (63)64lqfpmiddleQ1,2006 (Q4, 2006)requirementsMCUsNote: Costs based on 100K min in 2006第十一頁(yè)，共94頁(yè)。MC9S08AW family Feature Set1-2K RAM2-ch 16-bitTime

16、r16K-60K Flash 16-ch 10-bit ADCICE + BDMKBISPIIICICG (20MHz bus)2 SCIFeaturesMemory16-64K Flash, capable of EEPROM emulation1-2Kbytes of RAMInternal Clock Generator (ICG)Up to 20MHz busFLLDigitally-controller oscillator (DCO) preserves previous settingSeparate self-clocked source for real time inter

17、rupt2% accuracy over full operating rangeSerial CommunicationIIC (synchronous), 2 SPI (synchronous), and SCI (asynchronous)Timers 6-channel Timer/PWM Module (TPM)2-channel Timer/PWM Module (TPM)Analog Modules16-ch, 10-bit Analog-to-digital converter ( connect */ LIN_DBG_SET_PORT_7;intMask = LIN_Disa

18、bleInt(); /* disable interrupts */ LIN_TmpSCIByte = LIN_SCS1; LIN_TmpSCIByte = LIN_SCS2; LIN_TmpSCIByte = LIN_SCDR; LIN_SCC2 |= LIN_SCC2_SCRIE; /* Enable RX completed interrupt */ LIN_SCC3 |= LIN_SCC3_FEIE; /* Enable Frame Error interrupt */ /* start to wait break */ LIN_StateFlags = LIN_FLAG_IGNORE

19、; /* reset idle timeout */ LIN_SetIdleTimeout(); LIN_EnableInt(intMask); /* enable interrupts */ LIN_DBG_CLR_PORT_7; return 0; Slide 34第三十四頁(yè)，共94頁(yè)。LIN Cluster: Files ReviewfunLinapi.c: LIN API realization/* * Function : LIN_GotoRun * Description: Change the current driver state from SLEEP to RUN: The

20、 LIN_GotoRun * service changes the current driver state from Sleep to Run * and reset the No-Bus-Activity condition counter. If the current * driver state is Run already, this service call do nothing. * Returns: none * Notes: 1. API Service call * 2. MASTER: Set Idle timeout; * set WakeupDelimiter t

21、imeout and wait it * 3. SLAVE: Set Idle timeout and go to IGNORE state * 4. If in RUN already - no any actions * 5. DisableInterrupt dont needed becouse in SLEEP mode * driver do nothing */void LIN_GotoRun( void ) if ( LIN_StateFlags & LIN_FLAG_SLEEP ) /* we dont need interrupt disabling becouse in

22、SLEEP mode driver doing nothing */ LIN_SetIdleTimeout(); /* Set idle timeout again */#if defined(MASTER) LIN_SetTimeout(LIN_TO_WAKEUPDEL); /* ? correct wakeup delimiter lenght */ LIN_StateFlags = LIN_FLAG_WAKEUP_TIMEOUT;#endif /* defined(MASTER) */#if defined(SLAVE) LIN_StateFlags = LIN_FLAG_IGNORE;

23、#endif /* defined(SLAVE) */ Slide 35第三十五頁(yè)，共94頁(yè)。Mid-range Platform open questionsCrash detectionIs this a CAN message?Door unlocking - where is the signal from?Power SeatIs stall detection required?Feature disabled at certain speed?Window LiftNo anti-pinch but one-touch window lift?Clarify illuminato

24、r groupWhat items are inside this group?RKE indicatorAnti-theft light or LED?Number of inputs required for Keylock? (2,3,4)Curtain inputs via CAN?Mirror fold current document states 90mA, but surely too lowVehicle speedHow is this measured, and how frequent is it updated?How is this communicated int

25、o the body?Ignition Key Status?Sunroof completely independent module?Slide 36第三十六頁(yè)，共94頁(yè)。Mid-range System architectureSlide 37Body Controller Module(LIN Master)Driver Door Module(LIN Slave)Passenger Door ModuleDoor LockWindow LiftKeypadMirror (& Turn Light)Power Seat controlWindow Lift Rear RightWind

26、ow Lift Rear LeftRKECourtesy lighting(LIN Slave)Door LockWindow LiftKeypadCourtesy lightingFront LightingRear LightingMirror (& Turn Light)Vehicle Speed (is this direct to door, or network ok?)Crash detectMissing functionsRear Window DefrostFront wiper & washerHorn controlAntitheft AlarmDoor LockLIN

27、 NetworkCAN InterfaceCAN Network(link to Powertrain)LIN InterfaceLIN InterfaceLIN InterfaceRear door, Trunk & Bonnet statusCourtesy lighting= control directly from switch (no MCU interaction, except power management)Power SunroofPower CurtainInterior Lighting第三十七頁(yè)，共94頁(yè)。 Driver Door (& rear door) Blo

28、ck DiagramSlide 38Window Motor Current * 2Mirror DefrostCourtesy Light * 2(feet, courtesysigning)Window Motor * 2Rear Window DisableDoor Ajar Status 2Door Lock Switch * 2GroundMC9S08AW16Power Supply5V+12VDigital InputAnalogInputRelayDriveLINLINWindow Switch * 82242Door Lock * 2Turn Light141620Mirror

29、 Switch * 7MirrorFolding22Relays are located inside 第三十八頁(yè)，共94頁(yè)。Passenger Door (& rear door) Block DiagramSlide 39Window Motor Current * 2Mirror DefrostWindow Motor * 2Rear Window DisableDoor Ajar Status 2Door Lock Switch * 2GroundMC9S08AW16Power Supply5V+12VDigital InputAnalogInputRelayDriveLINLINWi

30、ndow Switch * 42242Door Lock * 2Turn Light14168Mirror Switch * 7MirrorFolding22Relays are located inside Courtesy Light * 2(feet, courtesy,signing)第三十九頁(yè)，共94頁(yè)。Central Body Controller Block Diagram Relay SolutionSlide 40Siren/HornDefrost and power curtainInterior Light (roof, map, glove, head reading,

31、 key hole)Seat Motor * 4Power Seat Switch * 8Exterior Light Switch * 12Key Status * 4GroundMC9S08DZ32MC9S12C/Q32Power Supply5V+12VDigital InputAnalogInputRKEReceiverRelayDriveMC33291LLEDDriverSiren(Relay)LIN, CAN, KLIN, CAN, K LineTrunk & bonnet statusSunroof Switch * 23Sunroof Motor Sensor5Rear Win

32、dow Defrost Switch659Exterior LightFront/Rear Wiper, Front Washer6Antitheft LEDSunroof Motor22738BuzzerBuzzerPower Seat Motor Current*4Interior Light SwitchWiper, Washer Switch * 5High beam: 1Low beam: 1Tail,License:1Turn Light: 2Fog: 2Reverse Light: 1Brake Light: 1Power Curtain * 2Key Lock Solenoid

33、HornAntitheft Siren Detection3第四十頁(yè)，共94頁(yè)。High End Platform ArchitectureSlide 41Optional NodesPowerSeat (Left)PowerSeat (Left)SunroofControllerWindowLift (FL)Mirror(L)WindowLift (FR)Mirror(R)CentralBodyControllerTPMSBack RadarLIN_aRearLightsLRearLightsRIndicatorIndicatorFrontLightsLFrontLightsRIndicat

34、orIndicatorKeypadRearDoorRearDoorWindow Motor driveWindow PositionUp/down controlLock motor driveDeadlock motor driveLock position detectionLock/ unlockHandle positionCabin lightingAccessory lightingGatewaySecurityRear Door ControlRear LightingKeypadFrontmodule第四十一頁(yè)，共94頁(yè)。Body Controller Module (Mid-

35、range)- Proposal 1Slide 42Window lift switches & Anti PinchMCULeft Rear Window Up / DownRight Rear Window Up / DownRear Window (right) Anti-PinchVBatt PosVBatt NegLINFront Tilt Up/DownRear Tilt Up/DownHorizontal Forward/RearwardRecliner Forward/RearwardMemory SetDriver LockDriver UnlockPower Seat co

36、ntrolDoor LockMH-bridgeMC33887Door lock motor (3A / 6A?)OUT1OUT2ENIN1IN2D1FSFBADC channelPort InputPort OutputPort OutputPort OutputPort OutputLIN SBCMC33689SCI TxSCI RxVReg O/PWake-UpsPort InputPort InputADC channelPort InputPort InputPort InputPort InputPort InputPort InputPort InputMWindow Lift (

37、6A/29A)Port OutputPort OutputRelay & FET driver(ACT212)Port OutputSoft Start optionLeft Rear Door) ajarPort InputRear window Disable StatusCurtain Motor backlight ControlPort OutputPort OutputWindow Drive Rear (x2)Door Lock Drive (x2)Misc lightsCAN LoCAN PHYMC33388DCAN TxCAN RxWake-UpsCAN HiRear Win

38、dow (left) Anti-PinchADC channelRight Rear Door ajarPort InputTrunk ajarPort InputMemory Recall#1Port InputMemory Recall#2Port InputMWiper Low, Hi, Washer pump (6,8,10A)Port OutputPort OutputRelay & FET driver(ACT212)Port OutputWiper & PumpCurtain Open / ClosePort InputReverse Gear statusPort InputP

39、ort OutputMCurtain Motor (0.6A/0.9A)Port OutputRelay & FET driver(ACT212)Port OutputMSeat Motor (4 motors)(6A/30A)Port OutputRelay & FET driver(ACT212)Seat Drive (x4)Port InputMemory Set (Seat)Port OutputRelay(s) & FET driverInterior Lighting powerExterior Lighting powerPort OutputPort OutputRKE(MC3

40、3591) RomeoSPI Input第四十二頁(yè)，共94頁(yè)。Body Controller Module code size estimates Hi-end(Kbytes)Mid-range(Kbytes)Lo-end(Kbytes)OS & Main Routine3.0 (3)3.0 (3)2.0 (1.5)LIN2.0 (1)2.0 (1)N/ACAN32 (16)16 (8)N/APower Seat4.0 (3)3.0 (3)N/ALock3.0 (2)2.0 (2)1.5 (1)Window16.0 (8)8.0 (5)8.0 (4)RKE & Low level driver

41、4 (2)4 (2)3 (2)Miscellaneous (wiper, courtesy lights, turn light, door ajar, etc)4 (2)4 (2)1.5 (1)Total (not including diagnostics)65 (37)42 (26)16 (9.5)Slide 43Until the actual application is designed and developed, it is difficult to accurately predict the amount of code space required. In particu

42、lar the level of anti-pinch and also diagnostic approaches will have a significant impact on the final code size. Indeed the operating system selected (if any) will also contribute to the code size. Another factor will be the software style used (ie assembler versus C) and the efficiency of the comp

43、iler.However, based on experience the following is a conservative code size estimate, with more aggressive figures in bold:In a mass volume, aggressive market it seems realistic to target 32K as being suitable for the mid-range platform.第四十三頁(yè)，共94頁(yè)。Body Controller Module (Mid-range) - Proposal 1 anal

44、ysisMCU analysisInput pinsOutput pinsADC pins (chans)CANSCISPIMemoryMisc(crystal, CGM, power, RST, IRQ)Total Pins required / usedOptimumpackageCost 2007 (1Mu - $)Availabile (MC date in brackets)18 1931(2 pins)1 (2 pins)1 (4 pins)32K11 (2+1+6+2)5964 -HC908GZ3218193+11132K115964lqfpQualifiedHCS08DZ321

45、8193+11+132K115964lqfp-Q1,2006 (Q4, 2006)HCS12C3218193+11132K115980qfp (52lqfp?)-QualifiedSlide 44requirementsMCUsDeviceFunctionPackageRequired numberCost 2007 ($)AvailabilityMC33689LIN SBC11.02QualifiedMC33888CAN PHY1QualifiedMC33879COSS11.25QualifiedMC33887H-BridgeSOIC54eP21.25QualifiedSMOS analys

46、isNote: Costs based on 1Mu min in 2007第四十四頁(yè)，共94頁(yè)。Driver Door Module (Mid-range) - Proposal 1Slide 45Window lift switches & Anti PinchMCUDriver Window Up / DownPassenger Window Up / DownRear Left Window Up / DownRear Right Window Up / DownDriver Window Anti-PinchVBatt PosVBatt NegLINMirror LeftMCOSSM

47、C33879Mirror Position - X (90mA,110mA)MMirror Position - Y (90mA,110mA)Mirror RightMirror UpMirror DownMirror SelectChild switchDriver LockDriver UnlockMirror controlDoor LockMH-bridgeMC33887Door lock motor (3A / 6A?)OUT1OUT2ENIN1IN2D1FSFBADC channelPort InputPort OutputPort OutputPort OutputPort Ou

48、tputLIN SBCMC33689SCI TxSCI RxVReg O/PWake-UpsXTurn light 0.5A, 5W (in mirror)CSDIDOSCLKENPort OutputSPI SSSPI MOSISPI MISOSPI SPSCKMMirror Fold (CAC doc states 90mA, but too low!Hence ?A)H-bridgeMC33887OUT1OUT2ENIN1IN2D1FSFBPort InputPort OutputPort OutputPort OutputPort OutputADC channelPort Input

49、Port InputPort InputPort InputPort InputADC channelPort InputPort InputPort InputPort InputPort InputPort InputPort InputMWindow Lift (6A/29A)use 6 outputs to create 2 h-bridgesLow Side driveVBatt PosPort OutputPort OutputRelay & FET driver(ACT212)Port OutputSoft Start optionDriver Door ajarPort Inp

50、utRear window Disable StatusDriver Window backlight ControlPort OutputPort OutputMirror DriveWindow DriveDoor Lock DriveMisc LightingRelay for Mirror heater 12W, 1APort Output第四十五頁(yè)，共94頁(yè)。Door Module (mid & high end) code size estimatesHi-end Driver side(Kbytes)Mid-range Driver Side(Kbytes)Hi-end Pass

51、enger Side(Kbytes)Mid-range Passenger Side(Kbytes)OS & Main Routine3.0 (3K)3.0 (3K)2.0 (1.5K)2.0 (1.5K)LIN2.0 (1K)2.0 (1K)1.5 (1K)1.5 (1K)Keypad1.5 (1K)1.2 (1K)1.2 (1K)1.0 (1K)Mirror4.0 (3K)3.0 (3K)4.0 (3K)3.0 (3K)Lock3.0 (2K)2.0 (2K)1.5 (1K)1.0 (1K)Window16.0 (8K)8.0 (5K)16.0 (8K)8.0 (5K)Miscellane

52、ous (courtesy lights, turn light, door ajar, etc)1.5 (1K)1.2 (1K)1.5 (1K)1.2 (1K)Total (not including diagnostics)31 (19K)20.4 (16K)27.7 (16.5K)17.7 (13.5K)Slide 46Until the actual application is designed and developed, it is difficult to accurately predict the amount of code space required. In part

53、icular the level of anti-pinch and also diagnostic approaches will have a significant impact on the final code size. Indeed the operating system selected (if any) will also contribute to the code size. Another factor will be the software style used (ie assembler versus C) and the efficiency of the c

54、ompiler.However, based on experience the following is a conservative code size estimate, with more aggressive figures in bold:In a mass volume, aggressive market it seems realistic to target 16K as being suitable for both the driver side and passenger side, especially for the mid-range platform.第四十六

55、頁(yè)，共94頁(yè)。Driver Door Module (Mid-range) - Proposal 1 analysisMCU analysisInput pins (optional)Output pins (optional)ADC pins (channels)SCISPIMemoryMisc(crystal, CGM, power, RST, IRQ)Total Pins required / usedOptimumpackage (optional)Cost 2007 (1Mu - $)Availability (MC date in brackets)14 (16)10 (14)31

56、 (2 pins)1 (4 pins)16K11 (2+1+6+2)4444 / 48 (54)-HC908GR16A14103+1116K114448lqfp-QualifiedHC9S08AW1614103+1+116K10 (12 with ext crystal)4344lqfp-Samples (2006)HCS908DN1614103+1+116K8 (10 with ext crystal)4348lqfp-Q1,2006 (Q4, 2006)HCS908EN1614103+1+116K8 (10 with ext crystal)4348lqfp-Q2,2006 (Q1, 20

57、07)Slide 47requirementsMCUsDeviceFunctionPackageRequired numberCost 2007 ($)AvailabilityMC33689LIN SBC1-QualifiedMC33879COSS1-QualifiedMC33887H-BridgeSOIC54eP2-QualifiedSMOS analysisNote: Costs based on 1Mu min in 2007第四十七頁(yè)，共94頁(yè)。HC908GR16ASlide 487 I/O3 ADC channels2 I/O5 I/O10 I/O1 SPI4 I/O1 SCI第四十

58、八頁(yè)，共94頁(yè)。HC9S08AW16Slide 495 I/O3 I/O5 I/O3 ADC channels5 I/O1 SPI2 I/O1 SCI4 I/O1 I/O第四十九頁(yè)，共94頁(yè)。HC9S08DN16 / HC9S08EN16Slide 504 I/O8 I/O1 SPI1 SCI2 I/O3 I/O2 I/O3 ADC channels5 I/O5 I/O第五十頁(yè)，共94頁(yè)。S08 High-end Pin CompatibilitySlide 5148-Pin LQFP64-Pin LQFP/QFN32-Pin LQFP第五十一頁(yè)，共94頁(yè)。HC9S12C QFPSlide 5

59、2第五十二頁(yè)，共94頁(yè)。HCS12C 52 LQFPSlide 53第五十三頁(yè)，共94頁(yè)。HC9S12C 48 LQFPSlide 54第五十四頁(yè)，共94頁(yè)。LIN Network Messaging SchemeSlide 55第五十五頁(yè)，共94頁(yè)。Example LIN communications- MessagesSlide 56Based on Basic door implementation第五十六頁(yè)，共94頁(yè)。Example LIN communications- scheduleSlide 57第五十七頁(yè)，共94頁(yè)。LIN bus communications- Bandwi

60、dthMore than 60% 0f the LIN bus bandwidth left at 19.2K based on example message scheduleAllows significant increase in traffic to accommodate increased number of node, more sophisticated messaging scheme and more frequent updatesSlide 58第五十八頁(yè)，共94頁(yè)。Project Position in CACProject Position in CAC0.5 h