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BS ISO 14229-2:2021 – TC:2022 Edition

BS ISO 14229-2:2021 – TC:2022 Edition

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Tracked Changes. Road vehicles. Unified diagnostic services (UDS) – Session layer services

Published By Publication Date Number of Pages
BSI 2022 156
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This document specifies common session layer services and requirements to provide independence between unified diagnostic services ( ISO 14229-1 ) and all transport protocols and network layer services (e.g. ISO 13400-2 DoIP, ISO 15765-2 DoCAN, ISO 10681-2 communication on FlexRay, ISO 14230-2 DoK-Line, and ISO 20794-3 CXPI).

This document specifies a common service primitive interface between OSI layer 5 (session) and layer 4 (transport) via so-called service request/indication/confirmation primitives.

PDF Catalog

PDF Pages PDF Title
1 30451714
95 A-30387813
96 undefined
101 Foreword
102 Introduction
103 1 Scope
2 Normative references
3 Terms and definitions
104 4 Symbols and abbreviated terms
4.1 Symbols
4.2 Abbreviated terms
5 Conventions
6 Session layer services
6.1 Service interface
105 6.2 Service interface parameters
6.3 Service interface primitives
106 7 Service interface (SI) definition from application layer to session layer
7.1 SI — S_Data.req, S_Data.ind, and S_Data.conf service interface
107 7.2 SI — S_Data.req, S_Data.ind, and S_Data.conf service interface parameter mapping
7.3 SI — S_PDU mapping onto T_PDU and vice versa for message transmission
108 7.4 SI — S_Data.req
109 7.5 SI — S_Data.ind
7.6 SI — S_Data.conf
8 Service primitive parameters (SPP)
8.1 SPP – General
8.2 SPP – Data type definitions
8.3 SPP – S_Mtype, session layer message type
110 8.4 SPP – S_TAtype, session layer target address type
8.5 SPP – S_TA, session layer target address
8.6 SPP – S_SA, session layer source address
8.7 SPP – S_AE, session layer address extension
8.8 SPP – S_Length, session layer length of S_Data
111 8.9 SPP – S_Data, session layer data of PDU
8.10 SPP – S_Result, session layer result
9 Timing parameter definition
9.1 General application timing considerations
9.1.1 Server
112 9.1.2 Client
113 9.2 Application timing parameter definitions – defaultSession
118 9.3 Example for tP4_Server without enhanced response timing
119 9.4 Example for tP4_Server with enhanced response timing
121 9.5 Session timing parameter definitions for the non-default session
122 9.6 Client and server timer resource requirements
123 9.7 Error handling
125 10 Timing handling during communication
10.1 Physical communication
10.1.1 Physical communication during defaultSession – without SOM.ind
126 10.1.2 Physical communication during defaultSession – with SOM.ind
10.1.3 Physical communication during defaultSession with enhanced response timing
128 10.1.4 Physical communication during a non-default session
133 10.2 Functional communication
10.2.1 Functional communication during defaultSession – without SOM.ind
134 10.2.2 Functional communication during defaultSession – with SOM.ind
135 10.2.3 Functional communication during defaultSession with enhanced response timing – with SOM.ind
138 10.2.4 Functional communication during non-default session – with SOM.ind
142 10.3 Minimum time between client request messages
150 Annex A (normative) T_PDU interface
151 Annex B (informative) Vehicle diagnostic OSI layer architecture examples
155 Bibliography

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BS ISO 14229-2:2021 - TC
$258.95