MOST - The Automotive Multimedia Network

Cover

Preface

Contents

1 MOST Cooperation

1.1 Motivation and History

1.2 Fast Standardization

1.3 Structure and Specification Work

1.3.1 The Steering Committee

1.3.2 The Administrator

1.3.3 The Technical Coordination Group

1.3.4 The Working Groups

1.3.5 The Technical Coordinator

1.4 The Compliance Verification Program

2 Survey of the System Architecture

2.1 MOST Layer Model

2.2 Application Framework

2.3 New isochronous transmission mechanisms for MOST150

2.4 Network Services

2.5 MOST Data Link Layer

2.5.1 MOST Frame

2.5.2 TimingMaster, TimingSlave

2.6 Physical Layer

2.6.1 Optical Physical Layer

2.6.2 Electrical Physical Layer

2.7 MOST Device

2.8 Network Management

2.8.1 NetBlock

2.8.2 PowerMaster

2.8.3 NetworkMaster

2.8.4 ConnectionMaster

2.9 Error Management and Diagnosis

2.10 Transmission of Multimedia Data

3 Survey of the MOST Specifications

3.1 Structure

3.2 MOST Specification

3.3 MOST Dynamic Specification

3.4 MOST Function Catalog

3.5 MOST Compliance Test Specifications

3.6 Further Specifications, Guidelines and Cookbooks

4 Application Framework

4.1 Device Model

4.2 Application Protocol

4.2.1 Data Format

4.2.2 Dynamic Behavior

4.3 MOST Function Blocks

4.3.1 Structure of a Function Block

4.3.2 Function Classes

4.3.3 Function Interfaces

4.3.4 System FBlocks

4.3.5 Administration of Streaming Connections

4.4 Standardized Application Interfaces

4.4.1 Function Library

4.4.2 Common Functions (GeneralFBlock)

4.4.3 Application Interfaces

4.4.4 Example of Use (AuxIn)

5 MOST Protocols

5.1 MOST Frame

5.1.1 MOST25 Frame

5.1.2 MOST50 Frame

5.1.3 MOST150 Frame

5.2 MOST Data Transport Mechanisms

5.3 Streaming Data

5.3.2 Synchronous Data

5.3.3 Isochronous Data

5.4 Packet Data Channel

5.4.1 Packet data protocol for MOST25 and MOST50

5.4.2 Packet data protocol for MOST150

5.4.3 Arbitration algorithm

5.5 Control Channel

5.5.1 CMS for MOST25

5.5.2 CMS for MOST50

5.5.3 CMS for MOST150

5.6 Summary

5.7 Addressing

5.8 Higher Protocols

5.8.1 MOST High Protocol (MHP)

5.8.2 Ethernet over MOST

5.8.3 MOST Isochronous QoS IP (Streaming)

5.8.4 MOST Ethernet with QoS IP

5.8.5 MAMAC

6 Physical Layer

6.1 Introduction

6.2 POF Plastic Optical Fibers

6.2.1 Basic Principles

6.2.2 Polymer Fibers – Properties and Advantages

6.3 Contacting of PMMA Fibers

6.4 Opto-Electronic Transceivers

6.4.1 LED Transmitter Devices

6.4.2 PIN Photodiodes

6.4.3 Transceiver Housing and Connectors

6.5 System Considerations for the MOST Physical Layer

6.5.1 Basic Principles of Electrical and Optical Parameters

6.5.2 Optical and Electrical Requirements

6.5.3 Power Budget

6.5.4 Timing Requirements

6.6 Alternative Transmission Media

7 Network and Fault Management

7.1 System Initialization

7.1.1 System Query

7.1.2 Central Registry

7.1.3 Dynamic Addressing

7.1.4 Examples of System Starts

7.2 Notification

7.3 Power-Down

7.4 Fault Types

7.4.1 Network Faults

7.4.2 Device Faults caused by Temperature and Voltage Violations

8 Network Diagnostics

8.1 Network Fault Detection

8.1.1 Ring Break Diagnosis

8.1.2 Sudden Signal Off/Critical Unlock Detection

8.1.3 Localizing the Origin of Coding Errors

8.1.4 Electrical Control Line

8.2 Device Fault Diagnosis

9 Network Service

9.1 Overview

9.2 MOST NetServices

9.2.1 Models of MOST NetServices

9.2.2 Dependencies on MOST Specification Baseline

9.3 Modules of the MOST NetServices

9.3.1 Layer I Version 1.x

9.3.2 Layer I Versions 2.x and 3.x

9.3.3 Layer II Versions 1.x, 2.x and 3.x

9.4 Integration of the MOST NetServices onto the Target Platform

9.4.1 Callback Functions

9.4.2 Main Loop Architecture

9.4.3 Multitasking Architectures

9.4.4 System Management Module

10 MOST Interface Controller

10.1 MOST Network Interface Controller and MOST Device

10.2 MOST Network Interface Controller Families

10.2.1 INIC

10.2.2 NIC

10.3 The INIC Family

10.3.1 Members

10.3.2 Overview of Features

10.4 Interfaces to the INIC

10.4.1 Available Interfaces

10.4.2 Interfaces from Software Perspective

10.4.3 Ports, Sockets and Connections

10.4.4 Port Message Protocol

10.5 Protection, Encapsulation and the EHC

10.5.1 Interaction between INIC and the EHC

10.5.2 The Watchdog Functionality

10.6 Configuration through Configuration String

10.7 Control Port

10.8 Streaming Port

10.9 SPI Port

10.10 Transport Stream Interface (TSI)

10.11 MediaLB Port

10.12 Power Management

10.13 Intelligent Muting

10.14 Network Interface Controller (NIC)

10.14.1 Available Interfaces

10.14.2 Serial Operation

10.14.3 Parallel Operation of CP and SP

10.14.4 Possible Configurations (Serial/Parallel)

10.14.5 The Basic Configuration of a NIC

10.14.6 Interfaces for Control Data in NICs

10.14.7 Interfaces for Streaming Data in NICs

10.14.8 Interfaces for Packet Data in NICs

11 Tools

11.1 Overview

11.2 Specification Tools

11.2.1 MSC Editor

11.2.2 MOST Editor

11.3 Simulation and Analysis Tools

11.4 Rapid Prototyping Tools

11.4.1 Plug-in for Simulation and Analysis Tools

11.4.2 Hardware platform for Rapid Prototyping and Evaluation

11.4.3 PC Tool Kit

11.4.4 System components

11.5 Hardware Development Tools

11.5.1 INIC Remote Viewer

11.5.2 MediaLB Analyzer

12 Compliance Tests

12.1 Objectives of Compliance Tests

12.2 Organization of the Compliance-Process

12.2.1 Authorities for the Compliance Process

12.2.2 Workflow of the Compliance Process

12.3 Physical Layer Compliance Tests

12.4 Core Compliance Tests

12.5 Profile Compliance Tests

12.6 Interoperability Tests

13 Testing MOST based Infotainment Systems

13.1 Challenges in Testing MOST Systems

13.2 Overview of the OEM Test Activities

13.3 The Test Process

13.3.1 Risk analysis

13.3.2 Test design

13.3.3 Test implementation

13.3.4 Test evaluation

13.3.5 Test management

13.4 Component Tests

13.5 Integration Tests

13.6 System Tests

13.7 Test Tools

14 Introduction of MOST150 in Series Production

14.1 Application of MOST150

14.2 MOST150 technology evaluation

14.2.1 Requirements and evaluation structure

14.2.2 MOST150 reference platform

14.2.3 MOST150_InCar

14.2.4 Results of the technology evaluation

14.3 Conclusion

14.4 Outlook

15 MOST150 Migration

15.1 Introduction

15.2 MOST150 Evolution Approach

15.2.1 Hardware Evolution

15.2.2 System Software Evolution

15.3 MOST25/MOST150 Bridge Concept

15.3.1 General Bridge Architecture

15.3.2 Addressing Concept

15.3.3 Network Management

15.3.4 PCM Data Bridging

16 Manufacturing and Processing of MOST Components

16.1 Structure and Testing of Opto-Electronic MOST Components

16.1.1 Header

16.1.2 Set of Fibers

16.1.3 Connectors

16.2 Processing within the Scope of Electronics Manufacture

16.2.1 Mounting and Soldering of Headers

16.2.2 Mounting and Soldering of Connectors

16.2.3 Mounting of Internal Sets of Fibers

16.2.4 Device Testing

16.3 Summary

17 Gateways to MOST

17.1 Distribution of Signals via a Gateway

17.2 Architecture of a Gateway

17.3 MOST – CAN Gateway

17.4 MOST – Bluetooth Gateway

17.5 Routing of the Control Channel

17.5.1 Routing of the Synchronous Audio connections

18 MOST Applications

18.1 Overview

18.2 Infotainment Headunit

18.3 Media Interface Devices

18.4 Sound Systems

18.5 Audio and Video Transmission Formats

18.5.1 Audio Streaming

18.5.2 Video Streaming

18.6 MOST for Driver Assist Applications

Appendix

A The Description Language MessageSequence Chart (MSC)

B Data rate of the Packet DataChannel of MOST25

C Abbreviations

D Glossary

E Bibliography

Index