NxtrDet Module Design Document

Module Design Document

For

NxtrDet

Oct 6, 2015

Prepared For:

Software Engineering

Nexteer Automotive,

Saginaw, MI, USA

Prepared By:

Software Group,

Nexteer Automotive,

Saginaw, MI, USA
Change History

Table of Contents

1 Introduction 4

1.1 Purpose 4

1.2 Scope 4

2 NxtrDet High-Level Description 5

3 Design details of software module 6

3.1 Graphical representation of NxtrDet 6

3.2 Data Flow Diagram 6

3.2.1 Component level DFD 6

3.2.2 Function level DFD 6

4 Constant Data Dictionary 7

4.1 Program (fixed) Constants 7

4.1.1 Embedded Constants 7

5 Software Component Implementation 8

5.1 Sub-Module Functions 8

5.1.1 Init: NxtrDet 8

5.1.2 Per: NxtrDet 8

5.2 Server Runables 8

5.3 Interrupt Functions 8

5.4 Module Internal (Local) Functions 8

5.4.1 Local Function #1 8

5.4.1.1 Design Rationale 8

5.4.1.2 Processing 8

5.5 GLOBAL Function/Macro Definitions 8

5.5.1 GLOBAL Function #1 8

5.5.1.1 Design Rationale 8

5.5.1.2 Processing 8

6 Known Limitations with Design 10

7 UNIT TEST CONSIDERATION 11

Appendix A Abbreviations and Acronyms 12

Appendix B Glossary 13

Appendix C References 14

Introduction

Purpose

Scope

The following definitions are used throughout this document:

• Shall: indicates a mandatory requirement without exception in compliance.

• Should: indicates a mandatory requirement; exceptions allowed only with documented justification.

• May: indicates an optional action.

NxtrDet High-Level Description

See FDD

Design details of software module

Graphical representation of NxtrDet

None

Data Flow Diagram

Component level DFD

N/A

Function level DFD

N/A

Constant Data Dictionary

Program (fixed) Constants

Embedded Constants

Constants containing the Nexteer ModuleIDs defined for Det functionality are defined in the .m file included in the doc folder of this component. This is to allow new SWCs adding new Det errors to not drive changes to the design project, only to the implementation project.

Local Constants

Software Component Implementation

Sub-Module Functions

Init: NxtrDet

None

Per: NxtrDet

None

Server Runables

None

Interrupt Functions

None

Module Internal (Local) Functions

Local Function #1

Design Rationale

Processing

GLOBAL Function/Macro Definitions

GLOBAL Function #1

Design Rationale

Processing

Known Limitations with Design

None

UNIT TEST CONSIDERATION

None

Abbreviations and Acronyms

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

References