DrvrTqEstimn_MDD

Module Design Document

For

DrvrTqEstimn

Feb 2, 2017

Prepared For:

Software Engineering

Nexteer Automotive,

Saginaw, MI, USA

Prepared By:

Matthew Leser

Software Engineering

Nexteer Automotive,

Saginaw, MI, USA

Change History

Table of Contents

1 Introduction 4

1.1 Purpose 4

2 DrvrTqEstimn & High-Level Description 5

3 Design details of software module 6

3.1 Graphical representation of DrvrTqEstimn 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: DrvrTqEstimnInit1 8

5.1.1.1 Design Rationale 8

5.1.1.2 Module Outputs 8

5.1.2Per: DrvrTqEstimnPer1 8

5.1.1.3 Design Rationale 8

5.1.1.4 Store Module Inputs to Local copies 8

5.1.1.5 (Processing of function)……… 8

5.1.1.6 Store Local copy of outputs into Module Outputs 8

5.2 Server Runnables 8

5.3 Interrupt Functions 8

5.4 Module Internal (Local) Functions 8

5.4.1.1 Design Rationale 8

5.4.1.2 Processing 8

5.5 GLOBAL Function/Macro Definitions 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

MDD for Driver Torque Estimation.

DrvrTqEstimn & High-Level Description

Please refer FDD.

Design details of software module

Graphical representation of DrvrTqEstimn

Data Flow Diagram

Component level DFD

Please refer FDD.

Function level DFD

Please refer FDD.

Constant Data Dictionary

Program (fixed) Constants

Embedded Constants

Local Constants

Software Component Implementation

Sub-Module Functions

5.1.1 Init: DrvrTqEstimnInit1

Design Rationale

None

Module Outputs

None

5.1.2Per: DrvrTqEstimnPer1

Design Rationale

None

Store Module Inputs to Local copies

None

(Processing of function)………

Please refer FDD

Store Local copy of outputs into Module Outputs

Please refer FDD

Server Runnables

None

Interrupt Functions

None

Module Internal (Local) Functions

Design Rationale

None.

Processing

None.

GLOBAL Function/Macro Definitions

None.

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