Requirements on Communication
AUTOSAR CP R20-11
4 of 31 Document ID 2: AUTOSAR_SRS_COM
Table of Contents
1 Scope of Document ................................................................................................ 5
2 Acronyms and Abbreviations ................................................................................. 6
3 Conventions to be used ......................................................................................... 7
3.1 Requirement structure .................................................................................... 7
4 Functional Overview............................................................................................... 8
5 Requirements Tracing ............................................................................................ 9
6 Requirement Specification ................................................................................... 11
6.1 Functional requirements applicable for AUTOSAR COM and
LargeDataCOM ............................................................................................. 11
6.1.1 Configuration .......................................................................................... 11
6.1.2 Interface between AUTOSAR COM and LargeDataCOM and the
lower layer (PDU-Router) ....................................................................... 12
6.1.3 Support of Large Data Types ................................................................. 13
6.2 AUTOSAR COM specific functional requirements ....................................... 15
6.2.1 General requirements ............................................................................ 15
6.2.2 Initialization ............................................................................................. 16
6.2.3 Signal and I-PDU Transmission ............................................................. 16
6.2.4 Signal invalidation .................................................................................. 19
6.2.5 I-PDU Groups and Mode Changes ........................................................ 20
6.2.6 Packing signals into I-PDUs ................................................................... 22
6.2.7 Interface between the AUTOSAR COM module and the lower layer
(PDU-Router) ......................................................................................... 22
6.2.8 Support of Large Data Types ................................................................. 23
6.2.9 Signal status information ........................................................................ 24
6.2.10 I-PDU Counter ........................................................................................ 25
6.2.11 I-PDU replication .................................................................................... 27
6.3 AUTOSAR LargeDataCOM specific functional requirements ...................... 28
6.4 Non-Functional Requirements (Qualities) .................................................... 29
7 References ........................................................................................................... 30
7.1 Deliverables of AUTOSAR ............................................................................ 30
7.2 ISO ................................................................................................................ 31
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