VIA CDMA方案培训文档

VIATelecom,Inc.

Hangzhou,China

August2002CDMABasebandProcessor4.0

TechnicalTrainingAugust20021VIATelecomTrainingAugust9and10,20029:00amto11:30am12:30pmto6:00pmPreparedby: SheshankhReddy VIATelecom,Inc. SanDiego,CAContributionsprovidedby: CarloMastrogiocomo VictorNguyen

August20022TopicstobeCoveredControlProcessor(CP)SoftwareArchitectureMan-MachineInterface(MMI)UserIdentityModule(UIM)EngineeringTestSoftware(ETS)UniversalSerialBusmodule(USB)August20023YoushouldhavethefollowingIS-2000specsSoftwareRelease4.01ARMProjectManagerRelease4.01documentsAugust20024CDMABasebandProcessor4.0

TechnicalTrainingControlProcessorSoftwareOverviewAugust20025CPArchitectureCommunicationbetweentasksismessagebasedforinter-taskandintra-tasksynchronizationThesourcetaskallocatesthememoryThedestinationtaskde-allocatesthememoryThemessageIDandstructureisdefinedbythedestinationtaskwhichisdefinedinthexxxapi.hfileintheINCdirectoryOnlyheaderfilesincludedintheINCdirectorycanbesharedacrossunitsAugust20026CPArchitecture(contd)Unitnamesareabbreviated(exampleMMI,IOP…)sysdefs.h–providessystemwidetypedeclarationsandconstantsAugust20027CPSoftwareUnits

August20028CPSoftwareStructureAugust20029Real-TimeExecutive(EXE)UnitImplementedasawrapperAPIaroundNucleus+CurrentlyusingNucleus+revision1.13.21MessagequeuesSignalsSemaphonesProvidesmemorybuffermanagementtotasksCreatesabufferpoolthatisusedforinter-taskcommunicationAugust200210EXE(contd)IncorporatesminormodificationstoNucleusDebuggingaids(NUUnit–compileoption)CPunitsuseEXEroutinestointerfacewiththeRTOSNodirectcallstonucleusaremadeThetasks,stacksandqueuesarecreatedbytheEXEunitAugust200211SystemLevelServices(SYS)UnitPrimarilyinvolvedwithmanagingtimersandmodemtimingbasedeventsAllowstaskstoregisterswsignalsbaseduponCDMAmodemtimingAllowstaskstoregisterswsignalsatPCG

resolutionAugust200212HardwareUnitAllhardwareaccessisthroughtheHardwareDriversUnitPhilosophicallylayeredintohandlersanddriversbaseduponfunctionalityandhardwareimplementationSupportsuserinterfacehardwarehwddef.hand.inchavethehardwaredefinitions.Allmemorymappedregistersaredefinedhere.(Exampleioptask.c,vector.s)August200213Input/OutputProcessing(IOP)UnitSupportsdataflowcontrolto/fromtheserialportsSupportsserialportdatabufferingandmessageroutingUSBsupporttobeaddedinthisunitAugust200214Inter-ProcessorCommunications

(IPC)UnitSupportstwo-waycommunicationbetweentheControlProcessorandtheDSPprocessorsusingasharedmemorymailboxDSPMinterfaceconsistsoftwotypesofmailboxes:ControlMailbox–Message-basedDirectBuffer–Pre-allocatedbuffersforforward/reversechanneldataDSPVinterfaceconsistsofaControlMailboxinterfaceRoutesDSPMforwardchanneldatatoPSorLMDProvidesSSOpacketloopbackcapabilitiesforDSPVAugust200215MonitorandDiagnostics(MON)UnitProvidesdatamemorypeekandpokecapabilitiesProvidesmemorytestcapabilitiesSupportscriticalsoftwarefaultlogging(monfaults)SupportsdataloggingtoETS(montraces,monspies)SupportsCPversioninformationcommandSupportspower-upinitializationprocedureandDSPsoftwaredownloadAugust200216DatabaseManager(DBM)Unittm_dbm_sdd.docSupportspermanentdatabaseinFlashforvariousSWunitsSupportsreading/writingofdatato/fromdatabaseinFlashmemorySupportsdatabaseclearinginFlashmemorySupportsFlashmemorydatabasecachingModifytosupportUIMAugust200217MultiplexSub-LayerDrivers(LMD)UnitMultiplexSub-layerofLayer2Multiplexesprimary,secondary,andsignalingtrafficintoreversechanneldatapacketsdeliveredtoDSPMfortransmissionDemultiplexesprimary,secondary,andsignalingtrafficfromDSPMforwardchanneldatapacketsIntermediarybetweenDSPVvoicefunctionsandDSPMCDMAmodemfunctionsIntermediarybetweenDSPVvoicefunctionsandvoicefeaturesAudioControlandVoiceMemoAugust200218HardwareDriverSoftwareReferencesTechnicalManualDocumentstm_hwd_api_cbp4.pdfAugust200219HardwareDrivers-FunctionalityAugust200220HardwareDrivers–FunctionalityFileDescriptionhwdpll.c

RFPLLcontrol

hwdpsave.c

Powersavingscontrol

hwdrf.c

GeneralRFRXandTXcontrol

hwdser.c

Serializercontrol

hwdtask.c

Maintask

hwdtstmd.c

Testanddebugsupport

hwdver.c

Hardwaredriverversioninformation

lmx2305.c

NationalSemiconductorLMX2305PLLcontrol

lmx2331l.c

NationalSemiconductorLMX2331LdualPLLcontrol

max2309.c

Maxim2309PLLcontrol

max2361.c

Maxim2361dualPLLcontrol

August200221HardwareDrivers-GeneralHardwarecontrolledbymemorymappedregistersHwdRead()HwdWrite()AllregistersnamedasintechmanualwithHWD_prefixSeparatemacrosforinterruptcontrolPrimarilyfunction-basedinterfaceCaremayberequiredwithsomesharedresourcesAugust200222Audio(hwdaudio.c)VolumecontrolsplitbetweenCPandDSPCPcontrolshardwareDACgainDSPcontrolssoftwarescaling-FinerresolutionHwdAudioVolumeSet()Tablecontrolled-ValuesdependonmicrophoneandspeakerpathsAudiocontrollinkedintopowersavingscontrolHwdAudioPathConfig()August200223Clock(hwdclk.c)ClocksinitializedduringStartupHwdClkInit()ProgramsinternalPLLSupportsclockchangesforAMPS/CDMAswitchoversAugust200224Flash(hwdflash.c)FlashMemorydriversHwdFlashReadManId() -ReadmanufacturerIdHwdFlashReadDevId() -ReaddeviceIdHwdFlashErase() -ErasesectororalldeviceHwdFlashProgram16() -Program16-bitwordUsedforCPandDSPcodeonRAMchipPatchRAMstoredinFlashAugust200225GPIO(hwdgpio.c)MostGPIOpinsmultiplexedandmustbeconfiguredGPIOorfunctionalHwdGpioInit()ControlHwdGpioClear() -SetGPIOto0HwdGpioSet() -SetGPIOto1HwdGpioToggle() -TogglestateofGPIOHwdGpioRead() -ReadstateofGPIOGroupGPIOhardwaresupportSomeGPIOscanbeconfiguredasinterruptsAugust200226I2C(hwdi2c.c)DriverssupporttheuseofmultipleI2CdevicesThedriversuseasemaphonetoensurethatonlyoneaccessisinprogressatatimeHwdI2cLock()HwdI2cUnlock()HwdI2cRead()HwdI2cWrite()August200227MMIUnitCollectionofsupportroutinesforimplementationoftheUIPrimarilydirectprocedurecallsPortionsimplementedinatasktosupportmulti-threadedoperationsAugust200228MMI–ManMachineInterfaceReferenceManualManMachineInterfaceAPI(tm_mmi_api_cbp4.doc)August200229MMITaskAndLayerMMITaskReceivesandsendsmessagestocommunicatewithotherunitsMMILayerImplementsprocessingrelatedtoincomingandoutgoingmessagesAugust200230MMIDataFlowDiagramAugust200231MMI/PSWLayersAugust200232MMI/DBMMessagesAugust200233MMI/IOPMessagesAugust200234MMI/IPCMessagesAugust200235MMI/LMDMessagesAugust200236MMIStatesINACTIVE_STATEPOWER_UP_STATEIDLE_STATECALL_ORIGINATE_WAIT_STATECALL_ALERT_WAIT_STATEDEDICATED_CALL_STATECALL_DISCONNECT_WAIT_STATEAugust200237MMIProcessingStartupProcessing-SeeExample1MessageProcessing-SeeExamples2and3MobileOriginatedCallMobileTerminatedCallMobileInitiatedDisconnectMobileTerminatedDisconnectAudioTonesProcessing-SeeExample4RingtonesProcessing–SeeExample5August200238MMIExample1–Power-OnSequenceAugust200239MMIExample2–MobileOriginatedCallAugust200240MMIExample3–MobileTerminatedAugust200241MMIExample4–AudioTonesProcessingLayersvoidHwdAudioPlayPoly(PolyNum,*PolyoneSeq)

voidHwdAudioStop(void)

voidMmiAudioPlayToneSeq(*ToneSeq,Loop)

MMI_NWK_RPT_ALERT_MSGMMITask:MMILayer:HWD:August200242MMIExample5–RingTonesProcessingLayersvoidHwdRingerData(*RingerInfo)voidHwdRingerControl(OnOff)voidHwdRingerIsr(void)MMI_NWK_RPT_ALERT_MSGCALL_ALERT_WAIT_STATEMMITask:MMILayer:HWD:boolMmiRingtonePrepare(*RingTone)