SAE J2366-7-2002 ITS Data Bus.Application Message Layer.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. TO PLACE A DOCUMENT ORDER: +1 (724) 776-4970 FAX: +1 (724) 776-0790 SAE WEB ADDRESS h
3、ttp:/www.sae.org Copyright 2002 Society of Automotive Engineers, Inc. All rights reserved.Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 RECOMMENDED PRACTICE J2366-7 ISSUED APR2002 Issued2002-04 ITS Data BusApplication Message Layer TABLE OF CONTENTS 1.Scope. 5 2
4、.References 5 2.1Applicable Publications 5 2.1.1SAE Publications 5 2.2Related Publications. 5 2.2.1SAE Publications 5 2.2.2ISO Publications.6 3.Definitions.6 3.1AHdr (Application Header) 6 3.2ALP (Application Layer Primitives). 6 3.3AMI-C (Automotive Multimedia Interface Collaboration) 6 3.4APDU (Ap
5、plication Protocol Data Unit) 6 3.5Audio Arbiter. 6 3.6Audio Bus .6 3.7Audio Bus Capability 6 3.8Audio Bus Device. 6 3.9Byte 6 3.10CEA (Consumer Electronics Association) 6 3.11Clear. 6 3.12ID 6 3.13ITS 6 3.14Logical Node 6 3.15MC (Message Code) 6 3.16Mute . 7 3.17Octet . 7 3.18OEM (Original Equipmen
6、t Manufacturer) . 7 3.19OSI . 7 3.20Output Level. 7 3.21Physical Node 7 3.22PMODE (Power Mode Line). 7 3.23Primitives 7 3.24Receiver . 7 SAE J2366-7 Issued APR2002 -2- 3.25SAPID (Service Access Point Identifier).7 3.26Set 7 3.27Transmitter7 4.Protocol Overview.8 4.1Basic Concepts.8 4.1.1SAPID for Me
7、ssage Interpretation8 4.1.2SAPID for Service Announcement8 4.1.3Physical Nodes and Logical Nodes 9 4.1.4Physical Node IDs and Logical Node IDs.9 4.1.5Logical Node Status9 4.2Application Layer Primitives10 4.2.1Send Application Message .10 4.2.2Receive Application Message.10 4.2.3Change Status Reques
8、t11 4.2.4Get Status Information11 4.3Application Common Header Elements11 4.3.1Control12 4.3.2SAPID.13 4.3.3Address.13 4.3.4Sequence14 4.3.5MsgLen (MSB)14 4.4Application Message Layer SAPIDs .14 4.4.1Application SAPIDs.14 4.4.2Standard APDU Encoding Rules 14 4.4.3Encapsulated Protocols20 5.Standard
9、Messages Supported by All Logical Nodes.22 5.1APLNewStatus and APLReqStatus22 5.2APLReqLogicalNodeInfo and APLDevInfo .23 5.3APLReqMaxMsgLen and APLMaxMsgLen 24 5.4APLPing and APLPingReply.24 5.5APLDiag and APLDiagReply 24 5.6APLResults.24 6.Audio Arbitration.24 6.1Introduction .24 6.2Audio Bus Mess
10、ages SAPID 25 6.3Responsibilities.25 6.3.1Audio Arbiter .25 6.3.2Transmitter25 6.3.3Receiver25 6.4Audio Arbitration Sequences 25 6.4.1Audio Arbiter Identification25 6.4.2Transmitter Activation .26 6.5Audio Bus Messages 28 6.5.1ABCapabilityReq and ABCapabilityReply.28 6.5.2ABTransmitRequest30 6.5.3AB
11、SetTransmitParms .30 6.5.4ABAudioStart 30 6.5.5ABAudioDone .30 6.5.6ABDeviceDisconnect 30 6.5.7ABMute.30 SAE J2366-7 Issued APR2002 -3- 7.Example Message Construction .31 Appendix A ITS Data Bus Application Message Layer Lexicon.33 A.1Scope33 A.2IDB Application Message Layer PDU Elements.33 A.2.1Cla
12、ssMap33 A.2.2Action33 A.2.3Modifier.35 A.2.4Object .37 A.2.5Feature .39 A.2.6UnitType and UnitType Lists.41 A.2.6.1PositionList .45 A.2.6.2HeadingList .47 A.2.6.3ResultList47 A.2.6.4AudioList.48 A.2.6.5StatusCodeList .49 A.2.6.6TransmissionStateList 49 A.2.6.7FuelTypesList .50 A.2.6.8WarningList .50
13、 A.2.6.9EntPlayerStatusList 51 A.2.6.10Languages 51 A.2.6.11DisplayStatusList 51 A.2.6.12Encapsulated Protocols51 A.3Explanations and Rationale52 A.3.1PositionList .52 A.3.2HeadingList .52 A.3.3ResultList52 A.3.3.1RAcknowledge52 A.3.3.2RAlreadyInUse52 A.3.3.3RCRCError .52 A.3.3.4RDecodeError .52 A.3
14、.3.5RDeviceNotPresent 52 A.3.3.6RDeviceNotReady 52 A.3.3.7RDeviceReady52 A.3.3.8RFailure52 A.3.3.9RInProcess .52 A.3.3.10RInvalidAction.52 A.3.3.11RInvalidFeature 53 A.3.3.12RInvalidLength53 A.3.3.13RInvalidMessage53 A.3.3.14RInvalidModifier53 A.3.3.15RInvalidObject 53 A.3.3.16RInvalidUnitType 53 A.
15、3.3.17RInvalidValue53 A.3.3.18RNoMedia.53 A.3.3.19RNotSupported .53 A.3.3.20ROutOfRange.53 A.3.3.21RSecurityError53 A.3.3.22RSuccess53 A.3.3.23RTooFrequent.53 A.3.3.24RUnknown53 SAE J2366-7 Issued APR2002 -4- A.3.4AudioList.53 A.3.5StatusCodeList .53 A.3.6TransmissionStateList 53 A.3.7FuelTypesList
16、.53 A.3.8WarningList .53 A.3.9EntMediaInfo.53 A.3.10EntPlayerStatusList 54 A.3.11EntTrackInfo .54 A.3.12Language55 A.3.13DisplayStatusList 55 A.3.14Encapsulated Protocols55 A.4Notes 55 List of Figures Figure 1Application Message Layer Message Format.12 Figure 2APDU Format .15 Figure 3Standard MC Pac
17、ket Format 16 Figure 4StatusCode Format.19 Figure 5Encapsulated Protocol Example.21 Figure 6Transmitter Activation Sequence27 Figure 7Transmit Request Rejected Sequence .28 Figure 8Set Trip Origin Message .31 Figure 9Request Current Vehicle Speed Message31 Figure 10Vehicle Speed Response Message31 F
18、igure 11Request Periodic Speed Report Message32 Figure 12Periodic Speed Report Message 32 Figure 13Update Rate Too High Response Message .32 List of Tables Table 1SAPID Size.13 Table 2SAPID Categories and Document Cross-Reference 14 Table 3ClassMap Element of MC.16 Table 4Valid Action Elements.17 Ta
19、ble 5Valid Modifier Elements17 Table 6Valid Object Elements 18 Table 7Valid Feature Codes.18 Table 8Valid UnitType and Corresponding Value Elements .18 Table 9Supported Encapsulated Protocols 21 Table 10Application Messages Supported by All Logical Nodes22 Table 11Audio Bus Common Application Messag
20、es28 Table 12Audio Bus Use Categories30 Table A1ClassMap33 Table A2Action33 Table A3Modifier.35 Table A4Object .37 Table A5Feature .39 Table A6UnitType and UnitType Lists.41 Table A7PositionList Names and Values45 Table A8HeadingList Names and Values .47 Table A9ResultList Names and Values.47 Table
21、A10AudioList Names and Values48 SAE J2366-7 Issued APR2002 -5- Table A11StatusCode List Names and Values .49 Table A12Transmission StateList Names and Values 49 Table A13FuelTypesList Names and Values 50 Table A14WarningList Names and Values .50 Table A15EntPlayerStatusList Format 51 Table A16Langua
22、ge Names and Values 51 Table A17DisplayStatusList Names and Values.51 Table A18Supported Encapsulated Protocols 51 Table A19EntMediaInfo Format 53 Table A20EntTrackInfo Format .54 1.Scope NOTE SAE J2366-7LXITS Data Bus Application Message Layer Lexicon is now combined (as an appendix) with SAE J2366
23、-7 to provide for a quicker revision process in the future. This SAE Surface Vehicle Recommended Practice defines an Application Message Layer, which may be used as part of a complete protocol stack with the other protocol layers in the SAE J2366 family. The Application Message Layer provides applic
24、ation message support for devices that are interconnected via a bus or network. Design of the messages and headers has stressed flexibility, expandability, economy (in terms of octets on the bus), and reusability. The Application Message Layer is independent of the underlying network used, and may b
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