Rtn_Module Design Document

Module Design Document

For

Return

Nov 29, 2016

Prepared For:

Software Engineering

Nexteer Automotive,

Saginaw, MI, USA

Prepared By:

TATA ELXSI

CHENNAI, INDIA


Change History

DescriptionAuthorVersionDate
Initial VersionSB130-Jun-2015
Updated per design rev. 2.0.0TATA2.029-Nov-2016

Table of Contents

1 Introduction 3

1.1 Purpose 3

2 Rtn High-Level Description 4

3 Design details of software module 5

3.1 Graphical representation of Rtn 5

3.2 Data Flow Diagram 5

3.2.1 Component level DFD 5

3.2.2 Function level DFD 5

4 Constant Data Dictionary 6

4.1 Program (fixed) Constants 6

4.1.1 Embedded Constants 6

5 Software Component Implementation 7

5.1.1 Sub-Module Functions 7

5.1.2 Interrupt Service Routines 7

5.1.3 Server Runnable Functions 7

5.1.4 Module Internal (Local) Functions 7

5.1.5 Transition Functions 7

6 Known Limitations with Design 8

7 UNIT TEST CONSIDERATION 9

Appendix A Abbreviations and Acronyms 10

Appendix B Glossary 11

Appendix C References 12

Introduction

Purpose

MDD for Return

Rtn High-Level Description

Refer to FDD

Design details of software module

Graphical representation of Rtn

C:\Component\SF002A_Rtn_Impl_1.4.2\snapp.JPG

Data Flow Diagram

Component level DFD

Refer to FDD

Function level DFD

Refer to FDD

Constant Data Dictionary

Program (fixed) Constants

Embedded Constants

Local Constants

None

Software Component Implementation

Sub-Module Functions

Initialization sub-module RtnInit1

Periodic sub-module RtnPer1

Design Rationale - Fault Injection client call is conditional compiled based on “FLTINJENA” build constant.

Interrupt Service Routines

None

Server Runnable Functions

None

Module Internal (Local) Functions

None

Transition Functions

None

Known Limitations with Design

None

UNIT TEST CONSIDERATION

None

Abbreviations and Acronyms

Abbreviation or AcronymDescription

Glossary

Note: Terms and definitions from the source “Nexteer Automotive” take precedence over all other definitions of the same term. Terms and definitions from the source “Nexteer Automotive” are formulated from multiple sources, including the following:

  • ISO 9000

  • ISO/IEC 12207

  • ISO/IEC 15504

  • Automotive SPICE® Process Reference Model (PRM)

  • Automotive SPICE® Process Assessment Model (PAM)

  • ISO/IEC 15288

  • ISO 26262

  • IEEE Standards

  • SWEBOK

  • PMBOK

  • Existing Nexteer Automotive documentation

TermDefinitionSource
MDDModule Design Document
DFDData Flow Diagram

References

Ref. #TitleVersion
1AUTOSAR Specification of Memory Mapping (Link:AUTOSAR_SWS_MemoryMapping.pdf)v1.3.0 R4.0 Rev 2
2MDD GuidelineEA4 01.00.00
3Software Naming Conventions.doc2.0
4Software Design and Coding Standards.doc2.1
5FDD – SF002A_Rtn_DesignSee Synergy Sub project version
Last modified October 12, 2025: Initial commit (ddf2e20)