BS ISO 14229-2:2021
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Road vehicles. Unified diagnostic services (UDS) – Session layer services
Published By | Publication Date | Number of Pages |
BSI | 2021 | 62 |
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 |
---|---|
2 | undefined |
7 | Foreword |
8 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions |
10 | 4 Symbols and abbreviated terms 4.1 Symbols 4.2 Abbreviated terms 5 Conventions 6 Session layer services 6.1 Service interface |
11 | 6.2 Service interface parameters 6.3 Service interface primitives |
12 | 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 |
13 | 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 |
14 | 7.4 SI — S_Data.req |
15 | 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 |
16 | 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 |
17 | 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 |
18 | 9.1.2 Client |
19 | 9.2 Application timing parameter definitions – defaultSession |
24 | 9.3 Example for tP4_Server without enhanced response timing |
25 | 9.4 Example for tP4_Server with enhanced response timing |
27 | 9.5 Session timing parameter definitions for the non-default session |
28 | 9.6 Client and server timer resource requirements |
29 | 9.7 Error handling |
31 | 10 Timing handling during communication 10.1 Physical communication 10.1.1 Physical communication during defaultSession – without SOM.ind |
32 | 10.1.2 Physical communication during defaultSession – with SOM.ind 10.1.3 Physical communication during defaultSession with enhanced response timing |
34 | 10.1.4 Physical communication during a non-default session |
39 | 10.2 Functional communication 10.2.1 Functional communication during defaultSession – without SOM.ind |
40 | 10.2.2 Functional communication during defaultSession – with SOM.ind |
41 | 10.2.3 Functional communication during defaultSession with enhanced response timing – with SOM.ind |
44 | 10.2.4 Functional communication during non-default session – with SOM.ind |
48 | 10.3 Minimum time between client request messages |
56 | Annex A (normative) T_PDU interface |
57 | Annex B (informative) Vehicle diagnostic OSI layer architecture examples |
61 | Bibliography |