ISO 17356-4-2005 Road vehicles - Open interface for embedded automotive applications - Part 4 OSEK VDX Communication (COM)《道路车辆 嵌入式机动车装置用开放式界面 第4部分 OSEK VDX通讯(C.pdf
《ISO 17356-4-2005 Road vehicles - Open interface for embedded automotive applications - Part 4 OSEK VDX Communication (COM)《道路车辆 嵌入式机动车装置用开放式界面 第4部分 OSEK VDX通讯(C.pdf》由会员分享,可在线阅读,更多相关《ISO 17356-4-2005 Road vehicles - Open interface for embedded automotive applications - Part 4 OSEK VDX Communication (COM)《道路车辆 嵌入式机动车装置用开放式界面 第4部分 OSEK VDX通讯(C.pdf(64页珍藏版)》请在麦多课文档分享上搜索。
1、 Reference number ISO 17356-4:2005(E) ISO 2005INTERNATIONAL STANDARD ISO 17356-4 First edition 2005-11-01 Road vehicles Open interface for embedded automotive applications Part 4: OSEK/VDX Communication (COM) Vhicules routiers Interface ouverte pour applications automobiles embarques Partie 4: Commu
2、nications (COM) OSEK/VDX ISO 17356-4:2005(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer perfo
3、rming the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PD
4、F file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central S
5、ecretariat at the address given below. ISO 2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the
6、 address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2005 All rights reservedISO 17356-4:2005(E) ISO 2005 All rig
7、hts reserved iii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Interaction Layer. 1 3.1 Overview 1 3.2 Message reception 4 3.3 Message transmission . 7 3.4 Byte order conversion and message interpretation . 14 3.5 Deadline monitoring . 16 3.6 Notification 21 3.7 C
8、ommunication system management 22 3.8 Functional model of the Interaction Layer .26 3.9 Interfaces . 28 4 Minimum requirements of lower communication layers 43 5 Conformance Classes 44 Annex A (informative) Use of ISO 17356-4 (COM) with an OS not conforming to ISO 17356-3 46 Annex B (informative) Ap
9、plication notes. 47 Annex C (informative) Callouts .54 ISO 17356-4:2005(E) iv ISO 2005 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is nor
10、mally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in
11、the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepar
12、e International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that som
13、e of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 17356-4 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 3, Electrical and electronic equipment. ISO 17356 consist
14、s of the following parts, under the general title Road vehicles Open interface for embedded automotive applications: Part 1: General structure and terms, definitions and abbreviated terms Part 2: OSEK/VDX specifications for binding OS, COM and NM Part 3: OSEK/VDX Operating System (OS) Part 4: OSEK/V
15、DX Communication (COM) Part 5: OSEK/VDX Network Management (NM) Part 6: OSEK/VDX Implementation Language (OIL) ISO 17356-4:2005(E) ISO 2005 All rights reserved v Introduction This part of ISO 17356 specifies a uniform communication environment for automotive control unit application software. It inc
16、reases the portability of application software modules by defining common software communication interfaces and behaviour for internal communication communication within an electronic control unit (ECU) and external communication (communication between networked vehicle nodes), which is independent
17、of the communication protocol used. This part of ISO 17356 describes the behaviour within one ECU. It assumes that the communication environment described in this part of ISO 17356 is used together with an operating system that conforms to ISO 17356-3. For information on how to run the communication
18、 environment described in this part of ISO 17356 on operating systems that do not conform to ISO 17356-3, refer to Annex A. Requirements The following main requirements are fulfilled by this part of ISO 17356: General communication functionality This part of ISO 17356 offers services to transfer dat
19、a between tasks and/or interrupt service routines. Different tasks may reside in one and the same ECU (internal communication) or in different ECUs (external communication). Access to ISO 17356-4 services is only possible via the specified Application Program Interface (API). Portability, reusabilit
20、y and interoperability of application software It is the aim of this part of ISO 17356 to support the portability, reusability and interoperability of application software. The API hides the differences between internal and external communication as well as different communication protocols, bus sys
21、tems and networks. Scalability This part of ISO 17356 ensures that an ISO 17356-4 implementation can run on many hardware platforms. The implementation requires only a minimum of hardware resources, therefore different levels of functionality (conformance classes) are provided. Support for ISO 17356
22、-5 (Network Management-NM): Services to support Indirect NM are provided. Direct NM has no requirements of this part of ISO 17356. Communication concept Figure 1 shows the conceptual model of this part of ISO 17356 and its positioning within the architecture defined by ISO 17356. This model is prese
23、nted for better understanding, but does not imply a particular implementation of this part of ISO 17356. ISO 17356-4:2005(E) vi ISO 2005 All rights reservedFigure 1 COMs layer model In this model, the scope of this part of ISO 17356 partly or entirely covers the following layers: Interaction Layer T
24、he Interaction Layer (IL) provides the ISO 17356-4 API which contains services for the transfer (send and receive operations) of messages. For external communication it uses services provided by the lower layers, whereas internal communication is handled entirely by the IL. Network Layer The Network
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