EpsStEstimn_MDD

Module Design Document

For

EpsStEstimn

April 12, 2018

Prepared By:

Matthew Leser

Software Group,

Nexteer Automotive,

Saginaw, MI, USAChange History

Table of Contents

1 Introduction 4

1.1 Purpose 4

2 EpsStEstimn & High-Level Description 5

3 Design details of software module 6

3.1 Graphical representation of EpsStEstimn 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: EpsStEstimnInit1 8

5.1.1.1 Design Rationale 8

5.1.1.2 Module Outputs 8

5.1.2 Per: EpsStEstimnPer1 8

5.1.2.1 Design Rationale 8

5.1.2.2 Store Module Inputs to Local copies 8

5.1.2.3 (Processing of function)……… 8

5.1.2.4 Store Local copy of outputs into Module Outputs 8

5.2 Server Runables 8

5.3 Interrupt Functions 8

5.4 Module Internal (Local) Functions 9

5.5 GLOBAL Function/Macro Definitions 9

6 Known Limitations with Design 10

7 UNIT TEST CONSIDERATION 11

Appendix A Abbreviations and Acronyms 12

Appendix B Glossary 13

Introduction

Purpose

Module design document for EpsStEstimn.

EpsStEstimn & High-Level Description

Design details of software module

Graphical representation of EpsStEstimn

Data Flow Diagram

Component level DFD

N/A

Function level DFD

N/A

Constant Data Dictionary

Program (fixed) Constants

Embedded Constants

Local Constants

Refer to .m file for other defined constants.

Software Component Implementation

Sub-Module Functions

Init: EpsStEstimnInit1

Design Rationale

Module Outputs

Refer to FDD

Per: EpsStEstimnPer1

Design Rationale

None

Store Module Inputs to Local copies

Refer to FDD

(Processing of function)………

Refer to FDD

Store Local copy of outputs into Module Outputs

Refer to FDD

Server Runnables

Interrupt Functions

None

Module Internal (Local) Functions

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