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Specification of RTE
AUTOSAR Release 4.2.2
Document Title Specification of RTE
Document Owner AUTOSAR
Document Responsibility AUTOSAR
Document Identification No 084
Document Classification Standard
Document Status Final
Part of AUTOSAR Release 4.2.2
Document Change History
Release Changed by
Description
4.2.2
AUTOSAR
Release
Management
• Debugging support marked as obsolete
• Minor corrections / clarifications / editorial changes;
For details please refer to the
ChangeDocumentation
4.2.1
AUTOSAR
Release
Management
• Efficient NV data handling
• Introduction of data transformation
• Support for variable-size Arrays of arbitrary data
types
• Various fixes and clarifications
4.1.3
AUTOSAR
Release
Management
• Various fixes and clarifications
4.1.2
AUTOSAR
Release
Management
• Various fixes and clarifications
4.1.1
AUTOSAR
Administration
• Adapted to new version of meta model
• Bypass support added
• Support for parameter serialization of client-server
communication added
• Support for inter-partition communication of BSW
modules added
• General consolidation and bug fixes
1 of 1051
— AUTOSAR CONFIDENTIAL —
Document ID 084: AUTOSAR_SWS_RTE
Specification of RTE
AUTOSAR Release 4.2.2
4.0.3
AUTOSAR
Administration
• Adapted to new version of meta model
• Support for mixed compu methods with categories
SCALE_ LINEAR_AND_TEXTTABLE and
SCALE_RATIONAL_AND_
TEXTTABLE added
• Support for compatibility of partial record types
added
• Consolidation of signal invalidation, data
conversion, and out-of-range handling
• General consolidation and bug fixes
4.0.2
AUTOSAR
Administration
• Adapted to new version of meta model
• Backward compatibility to implicit communication
behavior of AUTOSAR 2.1/3.0/3.1 added
• Support of inter-runnable variables extended to
composite data types
• Clarification which API calls shall be implemented
as macro accesses to the component data
structure in compatibility mode
• General consolidation and bug fixes
4.0.1
AUTOSAR
Administration
• Adapted to new version of meta model
• RTE and Basic Software Scheduler merged
• Support of multi core architectures added
• Re-scaling at ports added
• API enhancements added
3.1.2
AUTOSAR
Administration
• updated VFB-Tracing
• unconnected R-Ports are supported
• incompatible function declarations fixed
• RTE server mapping updated
3.0.2
AUTOSAR
Administration
• Layout adaptations
3.0.1
AUTOSAR
Administration
• Adapted to new version of meta model
• "RTE ECU Configuration" added
• Calibration and measurement revised
• Document meta information extended
• Small layout adaptations made
2.1.15
AUTOSAR
Administration
• "Advice for users" revised
• "Revision Information" added
2 of 1051
— AUTOSAR CONFIDENTIAL —
Document ID 084: AUTOSAR_SWS_RTE
Specification of RTE
AUTOSAR Release 4.2.2
2.1
AUTOSAR
Administration
• Adapted to new version of meta model
• New feature ’debouncing of runnable activation’
• New feature ’runnable activation offset’
• ’Measurement and Calibration’ added
• Semantics of implicit communication enhanced
• Legal disclaimer revised
2.0
AUTOSAR
Administration
Initial release
3 of 1051
— AUTOSAR CONFIDENTIAL —
Document ID 084: AUTOSAR_SWS_RTE
Specification of RTE
AUTOSAR Release 4.2.2
Disclaimer
This specification and the material contained in it, as released by AUTOSAR, is for the
purpose of information only. AUTOSAR and the companies that have contributed to it
shall not be liable for any use of the specification.
The material contained in this specification is protected by copyright and other types of
Intellectual Property Rights. The commercial exploitation of the material contained in
this specification requires a license to such Intellectual Property Rights.
This specification may be utilized or reproduced without any modification, in any form
or by any means, for informational purposes only. For any other purpose, no part of
the specification may be utilized or reproduced, in any form or by any means, without
permission in writing from the publisher.
The AUTOSAR specifications have been developed for automotive applications only.
They have neither been developed, nor tested for non-automotive applications.
The word AUTOSAR and the AUTOSAR logo are registered trademarks.
Advice for users
AUTOSAR specifications may contain exemplary items (exemplary reference models,
"use cases", and/or references to exemplary technical solutions, devices, processes or
software).
Any such exemplary items are contained in the specifications for illustration purposes
only, and they themselves are not part of the AUTOSAR Standard. Neither their pres-
ence in such specifications, nor any later documentation of AUTOSAR conformance of
products actually implementing such exemplary items, imply that intellectual property
rights covering such exemplary items are licensed under the same rules as applicable
to the AUTOSAR Standard.
4 of 1051
— AUTOSAR CONFIDENTIAL —
Document ID 084: AUTOSAR_SWS_RTE
Specification of RTE
AUTOSAR Release 4.2.2
Table of Contents
1 Introduction 22
1.1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
1.2 Dependency to other AUTOSAR specifications . . . . . . . . . . . . . 23
1.3 Acronyms and Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . 24
1.4 Technical Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
1.5 Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
1.6 Requirements Tracing . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2 RTE Overview 60
2.1 The RTE in the Context of AUTOSAR . . . . . . . . . . . . . . . . . . . 60
2.2 AUTOSAR Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
2.2.1 AUTOSAR Software-components . . . . . . . . . . . . . . . 60
2.2.2 Basic Software Modules . . . . . . . . . . . . . . . . . . . . . 61
2.2.3 Communication . . . . . . . . . . . . . . . . . . . . . . . . . 62
2.2.3.1 Communication Paradigms . . . . . . . . . . . . . . 62
2.2.3.2 Communication Modes . . . . . . . . . . . . . . . . . 62
2.2.3.3 Static Communication . . . . . . . . . . . . . . . . . 63
2.2.3.4 Multiplicity . . . . . . . . . . . . . . . . . . . . . . . . 63
2.2.4 Concurrency . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
2.3 The RTE Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
2.4 Design Decisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
3 RTE Generation Process 66
3.1 Contract Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
3.1.1 RTE Contract Phase . . . . . . . . . . . . . . . . . . . . . . . 71
3.1.2 Basic Software Scheduler Contract Phase . . . . . . . . . . 72
3.2 PreBuild Data Set Contract Phase . . . . . . . . . . . . . . . . . . . . 72
3.3 Edit ECU Configuration of the RTE . . . . . . . . . . . . . . . . . . . . 73
3.4 Generation Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
3.4.1 Basic Software Scheduler Generation Phase . . . . . . . . . 74
3.4.2 RTE Generation Phase . . . . . . . . . . . . . . . . . . . . . 75
3.4.3 Basic Software Module Description generation . . . . . . . . 76
3.4.3.1 Bsw Module Description . . . . . . . . . . . . . . . . 77
3.4.3.2 Bsw Internal Behavior . . . . . . . . . . . . . . . . . 78
3.4.3.3 Bsw Implementation . . . . . . . . . . . . . . . . . . 79
3.5 PreBuild Data Set Generation Phase . . . . . . . . . . . . . . . . . . . 80
3.6 PostBuild Data Set Generation Phase . . . . . . . . . . . . . . . . . . 80
3.7 RTE Configuration interaction with other BSW Modules . . . . . . . . . 81
4 RTE Functional Specification 83
4.1 Architectural concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
4.1.1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
4.1.2 RTE and Data Types . . . . . . . . . . . . . . . . . . . . . . . 84
4.1.3 RTE and AUTOSAR Software-Components . . . . . . . . . . 85
5 of 1051
— AUTOSAR CONFIDENTIAL —
Document ID 084: AUTOSAR_SWS_RTE
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