Requirements on I-PDU Multiplexer, AUTOSAR 22-11, CP, No.181
AUTOSARが、2022年の版、R22-11公開しました。公開行事の模様は
AUTOSAR R22-11 Release Event 20221208
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要求/仕様（Requirement and Specification)
Specification of I-PDU Multiplexer, No.182, CP, AUTOSAR 22-11(2)
一覧
AUTOSAR R22-11 Classic Platform 一覧はこちら。
Classic Platform Release Overview, AUTOSAR R22-11, CP, No.0(2)
AUTOSAR R22-11 マラソン
Qiitaの記事の一覧は作成中です。
AUTOSAR R22-11 一覧（２）
Abstract Platformとの関係
PDUとEthernet/TCP/IPの考え方の整理とPDU関連文書の統合
<この項は書きかけです。順次追記します。>
文書変更(Document Change)
Fixed number of possible multiplexed PDUs
用語(terms)
| Term | Description |
|---|---|
| contained I-PDU | I-PDU being transported inside a Container I-PDU |
| Container I-PDU | I-PDU serving as the Container collecting several I-PDUs to be transported together (e.g. in one frame) |
| dynamic part | According to the value of the selector field some parts of the I-PDU have a different layout. These parts of the I-PDU that can contain different signals are called dynamic part. The dynamic part must not necessarily be contiguous. |
| Multi-PDU-to-Container Mapping | Multi-PDU-to-Container Mapping means using the same Container I-PDU with more than one contained I-PDU. To be able to recognize each I-PDU at reception a header containing an ID and the length is placed in front of each contained I-PDU. |
| multiplexed I-PDU I-PDU | multiplexing means using the same PCI of an I-PDU with more than one unique layout of its SDU. A selector field is a part of the SDU of the multiplexed I-PDU. It is used to distinguish the different layouts of the multiplexed I-PDUs from each other |
| PCI | "Protocol Control Information" A description can be found in AUTOSAR_EXP_LayeredSoftwareArchitecture [3]. |
| PDU | "Protocol Data Unit" A description can be found in AUTOSAR_EXP_LayeredSoftwareArchitecture [3]. |
| PduR | Module that transfers I-PDUs from one module to another module. The I-PDU Router can be utilized for gateway operations and for internal routing purposes. |
| SDU | "Service Data Unit" A description can be found in AUTOSAR_EXP_LayeredSoftwareArchitecture [3]. |
| selector field | The selector field is part of a multiplexed I-PDU. It consists of contiguous bits. The value of the selector field selects the layout of the multiplexed part of the I-PDU. |
| static part | Some parts/signals of the I-PDU may be the same regardless of the selector field. Such a part is called static part. The static part must not necessarily be contiguous. |
英日単語帳
日本語は仮訳
T.B.D.
参考(reference)
Glossary も 参考に入れましょう。
https://www.autosar.org/fileadmin/standards/R22-11/FO/AUTOSAR_TR_Glossary.pdf
[1] Standardization Template
AUTOSAR_TPS_StandardizationTemplate
[2] Glossary, AUTOSAR_TR_Glossary
https://www.autosar.org/fileadmin/standards/foundation/22-11/AUTOSAR_TR_Glossary.pdf
[3] Layered Software Architecture
AUTOSAR_EXP_LayeredSoftwareArchitecture
[4] Specification of Communication
AUTOSAR_SWS_COM
[5] Requirements on AUTOSAR Features
AUTOSAR_RS_Features
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Requirements on I-PDU Multiplexer, AUTOSAR 181, R22-11, CP, 20230421
＜この記事は個人の過去の経験に基づく個人の感想です。現在所属する組織、業務とは関係がありません。＞
文書履歴(document history)
ver. 0.01 初稿 20230113
ver. 0.02 ありがとう追記 20230611
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