VIA CDMA方案培训文档课件

1、VIA Telecom, Inc.Hangzhou,ChinaAugust 2002CDMA Baseband Processor 4.0Technical TrainingAugust 20021VIA Telecom TrainingAugust 9 and 10, 20029:00 am to 11:30 am12:30 pm to 6:00 pmPrepared by:Sheshankh ReddyVIA Telecom, Inc.San Diego, CAContributions provided by:Carlo MastrogiocomoVictor NguyenAugust

2、20022Topics to be CoveredControl Processor (CP) Software ArchitectureMan-Machine Interface (MMI)User Identity Module (UIM) Engineering Test Software (ETS) Universal Serial Bus module (USB)August 20023You should have the followingIS-2000 specsSoftware Release 4.01 ARM Project Manager Release 4.01 doc

3、umentsAugust 20024CDMA Baseband Processor 4.0Technical TrainingControl Processor Software OverviewAugust 20025CP Architecture (contd)Unit names are abbreviated (example MMI, IOP)sysdefs.h provides system wide type declarations and constantsAugust 20027CP Software UnitsAugust 20028Real-Time Executive

4、 (EXE) UnitImplemented as a wrapper API around Nucleus +Currently using Nucleus + revision 1.13.21Message queuesSignalsSemaphonesProvides memory buffer management to tasksCreates a buffer pool that is used for inter-task communicationAugust 200210EXE (contd)Incorporates minor modifications to Nucleu

5、sDebugging aids (NU Unit compile option)CP units use EXE routines to interface with the RTOS No direct calls to nucleus are made The tasks, stacks and queues are created by the EXE unit August 200211System Level Services (SYS) UnitPrimarily involved with managing timers and modem timing based events

6、Allows tasks to register sw signals based upon CDMA modem timingAllows tasks to register sw signals at PCG resolutionAugust 200212Input/Output Processing (IOP) UnitSupports data flow control to/from the serial portsSupports serial port data buffering and message routing USB support to be added in th

7、is unitAugust 200214Inter-Processor Communications (IPC) UnitSupports two-way communication between the Control Processor and the DSP processors using a shared memory mailboxDSPM interface consists of two types of mailboxes:Control Mailbox Message-basedDirect Buffer Pre-allocated buffers for forward

8、/reverse channel dataDSPV interface consists of a Control Mailbox interfaceRoutes DSPM forward channel data to PS or LMDProvides SSO packet loopback capabilities for DSPVAugust 200215Database Manager (DBM) Unittm_dbm_sdd.docSupports permanent database in Flash for various SW unitsSupports reading/wr

9、iting of data to/from data base in Flash memorySupports data base clearing in Flash memorySupports Flash memory database caching Modify to support UIMAugust 200217Multiplex Sub-Layer Drivers (LMD) UnitMultiplex Sub-layer of Layer 2Multiplexes primary, secondary, and signaling traffic into reverse ch

10、annel data packets delivered to DSPM for transmissionDemultiplexes primary, secondary, and signaling traffic from DSPM forward channel data packetsIntermediary between DSPV voice functions and DSPM CDMA modem functionsIntermediary between DSPV voice functions and voice featuresAudio Control and Voic

11、e MemoAugust 200218Hardware Driver SoftwareReferencesTechnical Manual Documentstm_hwd_api_cbp4.pdfAugust 200219Hardware Drivers - FunctionalityAugust 200220Hardware Drivers FunctionalityFileDescriptionhwdpll.c RF PLL control hwdpsave.c Power savings control hwdrf.c General RF RX and TX control hwdse

12、r.c Serializer control hwdtask.c Main task hwdtstmd.c Test and debug support hwdver.c Hardware driver version information lmx2305.c National Semiconductor LMX2305 PLL control lmx2331l.c National Semiconductor LMX2331L dual PLL control max2309.c Maxim 2309 PLL control max2361.c Maxim 2361 dual PLL co

13、ntrol August 200221Hardware Drivers - GeneralHardware controlled by memory mapped registers HwdRead( )HwdWrite( )All registers named as in tech manual with HWD_ prefixSeparate macros for interrupt controlPrimarily function-based interfaceCare may be required with some shared resourcesAugust 200222Cl

14、ock (hwdclk.c)Clocks initialized during StartupHwdClkInit ( )Programs internal PLLSupports clock changes for AMPS/CDMA switchoversAugust 200224Flash (hwdflash.c)Flash Memory driversHwdFlashReadManId( ) - Read manufacturer IdHwdFlashReadDevId( ) - Read device IdHwdFlashErase( ) - Erase sector or all

15、deviceHwdFlashProgram16( ) - Program 16-bit wordUsed for CP and DSP code on RAM chipPatch RAM stored in FlashAugust 200225I2C (hwdi2c.c)Drivers support the use of multiple I2C devicesThe drivers use a semaphone to ensure that only one access is in progress at a timeHwdI2cLock( )HwdI2cUnlock( )HwdI2c

16、Read ( )HwdI2cWrite ( )August 200227MMI UnitCollection of support routines for implementation of the UIPrimarily direct procedure callsPortions implemented in a task to support multi-threaded operationsAugust 200228MMI Man Machine InterfaceReference ManualMan Machine Interface API(tm_mmi_api_cbp4.do

17、c)August 200229MMI Task And Layer MMI TaskReceives and sends messages to communicate with other units MMI LayerImplements processing related to incoming and outgoing messagesAugust 200230MMI Data Flow DiagramAugust 200231MMI/PSW LayersAugust 200232MMI/DBM MessagesAugust 200233MMI/IOP MessagesAugust

18、200234MMI/IPC MessagesAugust 200235MMI/LMD MessagesAugust 200236MMI StatesINACTIVE_STATEPOWER_UP_STATEIDLE_STATECALL_ORIGINATE_WAIT_STATECALL_ALERT_WAIT_STATEDEDICATED_CALL_STATECALL_DISCONNECT_WAIT_STATEAugust 200237MMI ProcessingStartup Processing - See Example 1Message Processing - See Examples 2

19、 and 3Mobile Originated CallMobile Terminated CallMobile Initiated DisconnectMobile Terminated DisconnectAudio Tones Processing - See Example 4Ringtones Processing See Example 5August 200238MMI Example 1 Power-On SequenceAugust 200239MMI Example 2 Mobile Originated CallAugust 200240MMI Example 3 Mob

20、ile TerminatedAugust 200241MMI Example 4 Audio Tones Processing Layersvoid HwdAudioPlayPoly( PolyNum, *PolyoneSeq ) void HwdAudioStop( void )void MmiAudioPlayToneSeq( *ToneSeq, Loop )MMI_NWK_RPT_ALERT_MSGMMI Task:MMI Layer:HWD:August 200242MMI Example 5 Ring Tones Processing Layersvoid HwdRingerData

21、(*RingerInfo ) void HwdRingerControl( OnOff )void HwdRingerIsr( void )MMI_NWK_RPT_ALERT_MSGCALL_ALERT_WAIT_STATEMMI Task:MMI Layer:HWD:bool MmiRingtonePrepare( *RingTone ) bool MmiRingtoneControl( CmdId )August 200243MMI ContentsFilenameContentsmmiaiw.cAIW function/message handlersmmiamps.cAMPS mess

22、agesmmiaudio.cAudio interface for MMImmidefs.hDefinition for MMI unit (internal interface)mmidisplay.cDisplay implementationmmierrs.hError codes for ETSmmihlw.cHLW message handlermmihwd.cHWD message handler key pressmmimisc.cMiscmmiotasp.cOTASP/PE message handlermmipsw.cPSW message handlersmmirel.tx

23、tRelease notesmmiringer.cRinger interfaceAugust 200244MMI Contents (Continued)FilenameContentsmmisms.cSMS message interfacemmistate.cMMI state machinemmitask.cMain taskmmitext.hText stringsmmitunes.hTones, ringer, audio/voice pathmmiuserinfo.cUser information is implemented (RSSI, BAT PWR, clock)mmi

24、ver.hS/W versionmmivmemo.cLMD DSPV. Voice memo implementation (interface)mmivrec.cVoice recognitionproject.pjProject fileAugust 200245User Informationmmiuserinfo.cExample:RSSIThis module can be expanded to request other information that is required by the Man-Machine Interface (MMI)August 200246Voic

25、e Memommivmemo.cVoice memos are stored in the Data Base Manager (DBM)Current memory available for voice memos is 64k.Can be increased by making changes to the DBMAugust 200247Voice Memo (Continued)RecordDSPV = Voice DSPLMD = Multiplex Sub-layer DriversDBM = Database ManagerAugust 200248Voice Memo (C

26、ontinued)PlaybackAugust 200249Voice RecognitionVoicerecsdd.docAugust 200250Voice Recognition (Continued)August 200251Audio and Ringer TonesAudio Path (Audio Tone)Ringer Path (Ringer Tone)August 200252User Identity Module (UIM)August 200253User Identity Module (Continued)Current PE/PSW interface to M

27、MI and DBM must be maintained (do not change)If additional messages are required between MMI, PE/PSW, and DBM, the San Diego team will add themIf a separate UIM task is required, the China team will add itInformation to be stored on the UIM is currently stored both in the DBM and MMIData transfer be

28、tween MMI and UIM, DBM and UIM shall be through messagesAugust 200254User Identity Module (Continued)The UIM is used for data storage and retrieval and also for authenticationCurrently authentication algorithms are in the PEThe authentication algorithms in the PE should be maintained and a compile s

29、witch should be provided for the interface with the UIMAugust 200255Adding UIM TaskEXEAdd stack size - exepowr.hPriority - exepowr.hDepth of queue - exepowr.hMail queue/boxes - exepower.cTask control block - exepower.cPrototype for task function - exepower.cTask initialization table - exepower.cTask

30、 Id - exeapi.hHISR & LISR Thread Ids - exeapi.h,.incAugust 200256Adding UIM Task (Continued)Add sub-project to the CP project. Add .c and .h files to sub-project. api file should be added in the inc directoryFollow current naming convention of files and functionsProvide compile switch to compile in/

31、out code for UIM. syscust.hAugust 200257User Identity Module (Continued)CAVE auth.c CAVE support auth.hRefer to TIA/EIA/IS 2000-5: Section 2.3.12cave.ccave.hThe above four files contain all common cryptographic algorithms for all authentication, voice privacy, and message encryptionThe design must s

32、upport both the UIM and the current architecture August 200258User Identity Module (Continued) Contents of TIA/EIA/IS-2000-5, Section 2.3.12:2.3.12 Authentication, Encryption of Signaling Information /User Data and Voice Privacy.2-9 Authentication.2-9 .1 Shared Secret Data (SSD).2-10 .2 Random Chall

33、enge Memory (RAND).2-10 .3 Call History Parameter (COUNTs-p).2-10 .4 Unique Challenge-Response Procedure.2-10 .5 Updating the Shared Secret Data (SSD).2-11 Signaling Message Encryption.2-15 .1 Encrypted Messages on the f-dsch.2-16 .2 Encrypted Messages on the r-dsch.2-18 Voice Privacy.2-21August 200

34、259Engineering Test Software (ETS)Reference Manuals: - tm_ets_intf_cbp4.doc - tm_ets_overview_cbp4.doc - tm_ets_overview_cbp4.docWhat is the ETS?Diagnostic tool for debuggingDoes not replace ICE, logic analyzer, etc.Graphical Analysis Tool (GAT) is a graphical tool that is used with ETSCurrently CP to PC communication is through a serial link (UART 0)Disp