MOST
`
`Media Oriented Systems Transport
`Multimedia and Control
`Networking Technology
`MOST Specification
`Rev 2.2
`11/2002
`Version 2.2-00
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` 
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` Copyright 1999 - 2002 MOST Cooperation
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`Page 1 of 220
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`Daimler Exhibit 1007
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`MOST®
`
`Specification
`Legal Notice
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`COPYRIGHT
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` 
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` Copyright 1999 - 2002 MOST Cooperation. All rights reserved.
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`LICENSE DISCLAIMER
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`Nothing on any MOST Cooperation Web Site, or in any MOST Cooperation document, shall be
`construed as conferring any license under any of the MOST Cooperation or its members or any third
`party's intellectual property rights, whether by estoppel, implication, or otherwise.
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`CONTENT AND LIABILITY DISCLAIMER
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`MOST Cooperation or its members shall not be responsible for any errors or omissions contained at
`any MOST Cooperation Web Site, or in any MOST Cooperation document, and reserves the right to
`make changes without notice. Accordingly, all MOST Cooperation and third party information is
`provided "AS IS". In addition, MOST Cooperation or its members are not responsible for the content of
`any other Web Site linked to any MOST Cooperation Web Site. Links are provided as Internet
`navigation tools only.
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`MOST COOPERATION AND ITS MEMBERS DISCLAIM ALL WARRANTIES WITH REGARD TO
`THE INFORMATION (INCLUDING ANY SOFTWARE) PROVIDED, INCLUDING THE IMPLIED
`WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND
`NON-INFRINGEMENT. Some jurisdictions do not allow the exclusion of implied warranties, so the
`above exclusion may not apply to you.
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`In no event shall MOST Cooperation or its members be liable for any damages whatsoever, and in
`particular MOST Cooperation or its members shall not be liable for special, indirect, consequential, or
`incidental damages, or damages for lost profits, loss of revenue, or loss of use, arising out of or
`related to any MOST Cooperation Web Site, any MOST Cooperation document, or the information
`contained in it, whether such damages arise in contract, negligence, tort, under statute, in equity, at
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`FEEDBACK INFORMATION
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`Any information provided to MOST Cooperation in connection with any MOST Cooperation Web Site,
`or any MOST Cooperation document, shall be provided by the submitter and received by MOST
`Cooperation on a non-confidential basis. MOST Cooperation shall be free to use such information on
`an unrestricted basis.
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`TRADEMARKS
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`MOST Cooperation and its members prohibit the unauthorized use of any of their trademarks. MOST
`Cooperation specifically prohibits the use of the MOST Cooperation LOGO unless the use is approved
`by the Steering Committee of MOST Cooperation.
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`SUPPORT AND FURTHER INFORMATION
`For more information on the MOST technology, please contact:
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`MOST Cooperation
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`Administration
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`P. O. Box 4327
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`D-76028 Karlsruhe
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`Germany
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`Tel: (+49) (0) 721 966 50 00
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`Fax: (+49) (0) 721 966 50 01
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`E-mail: contact@mostcooperation.com
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`Web: www.mostcooperation.com
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`Specification Document
`Page 2
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` Copyright 1999 - 2002 MOST Cooperation
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`MOST Specification Rev 2.2 11/2002
`Document Version 2.2-00
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`Page 2 of 220
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`MOST®
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`Specification
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` Copyright 1999 - 2002 MOST Cooperation
`All rights reserved
`
`MOST is a registered trademark
`
`
`Specification Document
`
`
` Copyright 1999 - 2002 MOST Cooperation
`
`MOST Specification Rev 2.2 11/2002
`Document Version 2.2-00
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`Page 3
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`Page 3 of 220
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`Contents
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`MOST®
`
`Specification
`
` 1
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`INTRODUCTION............................................................................................................................ 15
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`2 APPLICATION SECTION.............................................................................................................. 17
`2.1 Overview of Data Channels........................................................................................................ 17
`2.1.1
`Control Channel................................................................................................................... 17
`2.1.2
`Synchronous Channel ......................................................................................................... 17
`2.1.3
`Asynchronous Channel ....................................................................................................... 18
`2.1.4 Managing Synch./Async. Bandwidth................................................................................... 18
`2.2
`Logical Device Model.................................................................................................................. 19
`2.2.1
`Function Block..................................................................................................................... 19
`2.2.1.1 Slave, Controller, HMI.....................................................................................................................20
`2.2.1.2 First Introduction to MOST Functions .............................................................................................20
`2.2.2
`Functions ............................................................................................................................. 21
`2.2.3 Methods............................................................................................................................... 21
`2.2.4
`Properties ............................................................................................................................ 22
`2.2.4.1 Setting a Property...........................................................................................................................22
`2.2.4.2 Reading a Property.........................................................................................................................23
`2.2.5
`Events.................................................................................................................................. 23
`2.2.6
`Function Interfaces.............................................................................................................. 24
`2.2.7
`Definition Example .............................................................................................................. 25
`2.2.8 MOST Data Flow Model ...................................................................................................... 27
`2.2.9 MOST System Services ...................................................................................................... 28
`2.2.10 Delegation, Heredity, Device Hierarchy .............................................................................. 28
`2.2.10.1
`Delegation...................................................................................................................................28
`2.2.10.2
`Heredity of Functions..................................................................................................................30
`2.2.10.3
`Deriving Devices/Device Hierarchy.............................................................................................31
`2.3 Protocols..................................................................................................................................... 34
`2.3.1
`Protocol Basics.................................................................................................................... 34
`2.3.2
`Structure of MOST Protocols .............................................................................................. 34
`2.3.2.1 DeviceID .........................................................................................................................................34
`2.3.2.2 FBlockID .........................................................................................................................................35
`2.3.2.3
`InstID ..............................................................................................................................................37
`2.3.2.4 FktID ...............................................................................................................................................38
`2.3.2.5 OPType ..........................................................................................................................................39
`2.3.2.5.1 Error.........................................................................................................................................40
`2.3.2.5.2 Start, Error ...............................................................................................................................45
`2.3.2.5.3 StartResult, Result, Processing, Error .....................................................................................45
`2.3.2.5.4 StartAck, StartResultAck, ProcessingAck, ResultAck, and ErrorAck .......................................47
`2.3.2.5.5 Get, Status, Error .....................................................................................................................47
`2.3.2.5.6 Set, Status, Error .....................................................................................................................47
`2.3.2.5.7 SetGet, Status, Error................................................................................................................47
`2.3.2.5.8 GetInterface, Interface, Error ...................................................................................................48
`2.3.2.5.9
`Increment And Decrement, Status, Error .................................................................................48
`2.3.2.5.10 Abort, Error ............................................................................................................................48
`2.3.2.5.11 AbortAck, ErrorAck ................................................................................................................48
`2.3.2.6 Length.............................................................................................................................................49
`2.3.2.7 Data And Basic Data Types............................................................................................................49
`2.3.2.7.1 Boolean....................................................................................................................................51
`2.3.2.7.2 BitField.....................................................................................................................................51
`2.3.2.7.3 Enum .......................................................................................................................................51
`2.3.2.7.4 Unsigned Byte..........................................................................................................................51
`2.3.2.7.5 Signed Byte..............................................................................................................................52
`2.3.2.7.6 Unsigned Word ........................................................................................................................52
`2.3.2.7.7 Signed Word ............................................................................................................................52
`2.3.2.7.8 Unsigned Long.........................................................................................................................52
`2.3.2.7.9 Signed Long.............................................................................................................................52
`2.3.2.7.10 String .....................................................................................................................................53
`2.3.2.7.11 Stream ...................................................................................................................................53
`2.3.2.7.12 Classified Stream...................................................................................................................54
`2.3.3
`Function Formats in Documentation ................................................................................... 55
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`Specification Document
`Page 4
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` Copyright 1999 - 2002 MOST Cooperation
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`MOST Specification Rev 2.2 11/2002
`Document Version 2.2-00
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`Page 4 of 220
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`MOST®
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`Specification
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`Protocol Catalogs ................................................................................................................ 55
`2.3.4
`Application Functions on MOST Network (Introduction) ..................................................... 56
`2.3.5
`Controller/Slave Communication......................................................................................... 59
`2.3.6
`2.3.6.1 Communication With Properties Using Shadows............................................................................59
`2.3.6.2 Communication With Methods........................................................................................................64
`2.3.6.2.1 Standard Case .........................................................................................................................64
`2.3.6.2.2 Special Case Using Routing ....................................................................................................65
`2.3.7
`Seeking Communication Partner......................................................................................... 67
`2.3.8
`Requesting Function Block Information from a Device ....................................................... 67
`2.3.9
`Requesting Functions from a Function Block...................................................................... 68
`2.3.10 Transmitting The Function Interface.................................................................................... 69
`2.3.10.1
`Principle......................................................................................................................................69
`2.3.10.2
`Realization Of The Ability To Extract The Function Interface .....................................................69
`2.3.11 Function Classes................................................................................................................. 70
`2.3.11.1
`Properties With A Single Variable...............................................................................................70
`2.3.11.1.1 Function Class Switch............................................................................................................73
`2.3.11.1.2 Function Class Number .........................................................................................................74
`2.3.11.1.3 Function Class Text ...............................................................................................................76
`2.3.11.1.4 Function Class Enumeration..................................................................................................77
`2.3.11.1.5 Function Class BoolField .......................................................................................................78
`2.3.11.1.6 Function Class BitSet.............................................................................................................79
`2.3.11.1.7 Function Class Container.......................................................................................................81
`2.3.11.2
`Properties with Multiple Variables...............................................................................................82
`2.3.11.2.1 Function Class Record...........................................................................................................83
`2.3.11.2.2 Function Class Array..............................................................................................................85
`2.3.11.2.3 Function Class Dynamic Array...............................................................................................88
`2.3.11.2.4 Function Class LongArray......................................................................................................90
`2.3.11.3
`Function Class For Methods.......................................................................................................97
`2.3.12 Handling Message Notification............................................................................................ 98
`3 NETWORK SECTION.................................................................................................................. 101
`3.1 MOST Transceiver and its Internal Services............................................................................ 101
`3.1.1
`Electrical Bypass (All Bypass)........................................................................................... 101
`3.1.2
`Source Data Bypass.......................................................................................................... 101
`3.1.3 Master/Slave, Active and Passive Components ............................................................... 101
`3.1.4
`Data Transport................................................................................................................... 102
`3.1.4.1 Blocks ...........................................................................................................................................102
`3.1.4.2 Frames .........................................................................................................................................102
`3.1.4.2.1 Preamble................................................................................................................................104
`3.1.4.2.2 Boundary Descriptor ..............................................................................................................104
`3.1.4.2.3 MOST System Control Bits ....................................................................................................104
`3.1.4.3 Source Data..................................................................................................................................105
`3.1.4.3.1 Definition of Control Data and Source Data ...........................................................................105
`3.1.4.3.2 Differentiating Synchronous and Asynchronous Data............................................................105
`3.1.4.3.3 Source Data Interface ............................................................................................................105
`3.1.4.3.4 Transparent Channels ...........................................................................................................105
`3.1.4.3.5 Synchronous Area .................................................................................................................106
`3.1.4.3.6 Asynchronous (Packet Data) Area.........................................................................................106
`3.1.4.4 Control Data..................................................................................................................................108
`3.1.4.4.1 Control Data Interface............................................................................................................108
`3.1.4.4.2 Description.............................................................................................................................108
`3.1.5
`Internal Services................................................................................................................ 110
`3.1.5.1 Addressing....................................................................................................................................110
`3.1.5.2 Address Initialization (SAI)............................................................................................................110
`3.1.5.3 Support at System Startup............................................................................................................111
`3.1.5.4 Delay Recognition.........................................................................................................................111
`3.1.5.5 Remote-Access ............................................................................................................................111
`3.1.5.6 Automatic Channel Allocation.......................................................................................................111
`3.1.5.7 Power Management......................................................................................................................112
`3.1.5.8 Detection of Unused Channels .....................................................................................................112
`3.2 Dynamic Behavior of a Device ................................................................................................. 113
`3.2.1 Overview............................................................................................................................ 113
`3.2.2
`NetInterface....................................................................................................................... 115
`3.2.2.1 NetInterfacePowerOff ...................................................................................................................116
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`
`Specification Document
`
`
` Copyright 1999 - 2002 MOST Cooperation
`
`MOST Specification Rev 2.2 11/2002
`Document Version 2.2-00
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`Page 5
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`Page 5 of 220
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`MOST®
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`Specification
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`3.2.2.2 NetInterfaceInit .............................................................................................................................116
`3.2.2.3 NetInterfaceNormalOperation.......................................................................................................120
`3.2.2.4 NetInterface Ring Break Diagnosis...............................................................................................123
`3.2.3
`Initialization on Application Level ...................................................................................... 129
`3.2.3.1 Configuration Status Events .........................................................................................................129
`3.2.3.1.1 Configuration.Status(OK).......................................................................................................129
`3.2.3.1.2 Configuration.Status(NotOK) .................................................................................................129
`3.2.3.1.3 Configuration.Status(Invalid) and Configuration.Status(New)................................................130
`3.2.3.2 Requesting System Configuration – NetworkMaster ....................................................................131
`3.2.3.3 Requesting System Configuration – Network Slave .....................................................................137
`3.2.4
`Secondary Nodes.............................................................................................................. 139
`3.2.5
`Power Management .......................................................................................................... 140
`3.2.5.1 General Procedure .......................................................................................................................140
`3.2.5.2 Functions and Important Operations.............................................................................................143
`3.2.6
`Error Management ............................................................................................................ 144
`3.2.6.1 Handling of Light Off .....................................................................................................................144
`3.2.6.2 Fatal Error.....................................................................................................................................145
`3.2.6.2.1 Waking...................................................................................................................................145
`3.2.6.2.2 Operation ...............................................................................................................................145
`3.2.6.3 Unlock...........................................................................................................................................146
`3.2.6.4 Failure Of A Function Block ..........................................................................................................147
`3.2.6.5 Network Change Event.................................................................................................................148
`3.2.6.6 Low Voltage..................................................................................................................................148
`3.2.6.7
`“Hanging” of an Application ..........................................................................................................149
`3.2.7 Over-Temperature Management....................................................................................... 150
`3.2.7.1
`Introduction...................................................................................................................................150
`3.2.7.2 Levels of Temperature Alert .........................................................................................................150
`3.2.7.3 Re-Start Behavior .........................................................................................................................151
`3.3 Accessing Control Channel ...................................................................................................... 152
`3.3.1
`Addressing......................................................................................................................... 152
`3.3.2
`Assigning Priority Levels ................................................................................................... 154
`3.3.3
`Low Level Retries.............................................................................................................. 154
`3.3.4
`High Level Retries ............................................................................................................. 154
`3.3.5 MOST NetServices (Application Socket) .......................................................................... 155
`3.3.5.1 Basics for Automatic Adding of Physical Address.........................................................................155
`3.3.5.2 De-Central Registry ......................................................................................................................155
`3.3.5.3 Central Registry ............................................................................................................................156
`3.3.6
`Handling Overload in a Message Sink .............................................................................. 159
`3.3.7 MOST NetServices (Basic Layer) ..................................................................................... 160
`3.3.7.1 Control Message Service..............................................................................................................160
`3.3.7.2 Application Message Service (AMS) And Application Protocols...................................................160
`3.3.8
`Direct Access to OS8104 .................................................................................................. 162
`3.3.8.1 Sending Messages .......................................................................................................................162
`3.3.8.2 Receiving Messages.....................................................................................................................163
`3.3.8.3 Acknowledgement and Data Security ...........................................................................................163
`3.3.9
`Remote Control ................................................................................................................. 164
`3.3.9.1 Remote Read Message ................................................................................................................164
`3.3.9.2 Remote Write Message ................................................................................................................165
`3.4 Handling Synchronous Data..................................................................................................... 166
`3.4.1 MOST NetServices (Application Socket) .......................................................................... 166
`3.4.1.1 Basic Functions on Application Level ...........................................................................................167
`3.4.1.1.1 NetBlock.................................................................................................................................167
`3.4.1.1.2 Function Block .......................................................................................................................168
`3.4.1.1.3 Handling of Double (De)/Allocate/(Dis)Connect Commands..................................................174
`3.4.2 MOST NetServices (Basic Layer) ..................................................................................... 175
`3.4.3
`Direct Access to OS8104 .................................................................................................. 175
`3.4.3.1 Serial Interface..............................................................................................................................175
`3.4.3.2 Parallel Interface...........................................................................................................................175
`3.4.3.3 Compensating Network Delay ......................................................................................................175
`3.5 Handling Asynchronous (Packet) Data..................................................................................... 176
`3.5.1
`Direct Access to OS8104 .................................................................................................. 176
`3.5.1.1 Priorities........................................................................................................................................176
`3.5.2 MOST NetServices............................................................................................................ 177
`3.5.2.1 Securing data................................................................................................................................177
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`Specification Document
`Page 6
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` Copyright 1999 - 2002 MOST Cooperation
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`MOST Specification Rev 2.2 11/2002
`Document Version 2.2-00
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`Page 6 of 220
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`MOST®
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`Specification
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`3.5.3 MOST Asynchronous Medium Access Control (MAMAC) ................................................ 179
`3.6 Controlling Synchronous/Asynchronous Bandwidth................................................................. 180
`3.7 Connections.............................................................................................................................. 181
`3.7.1
`Synchronous Connections ................................................................................................ 181
`3.7.1.1 Administering (ConnectionMaster)................................................................................................181
`3.7.1.2 Establishing Synchronous Connections........................................................................................183
`3.7.1.3 Removing Synchronous Connections...........................................................................................185
`3.7.1.4 Supervising Synchronous Connections ........................................................................................185
`3.8
`Timeouts ................................................................................................................................... 186
`3.9 Secondary Node....................................................................................................................... 188
`3.9.1
`Scenario 1 ......................................................................................................................... 188
`3.9.2
`Scenario 2 ......................................................................................................................... 189
`4 HARDWARE SECTION............................................................................................................... 190
`4.1 Basic HW Concept.............................................................................................................