DataAndAdrPar Module Design Document

Module Design Document

For

DataAndAdrPar

Mar 15, 2016

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 5

1.1 Purpose 5

1.2 Scope 5

2 DataAndAdrPar & High-Level Description 6

3 Design details of software module 7

3.1 Graphical representation of DataAndAdrPar 7

3.2 Data Flow Diagram 7

3.2.1 Component level DFD 7

3.2.2 Function level DFD 7

4 Constant Data Dictionary 8

4.1 Program (fixed) Constants 8

4.1.1 Embedded Constants 8

5 Software Component Implementation 9

5.1 Sub-Module Functions 9

5.1.1 Init:DataAndAdrParInit1 9

5.1.1.1 Design Rationale 9

5.1.1.2 Module Outputs 9

5.1.2 Init:DataAndAdrParInit2 9

5.1.2.1 Design Rationale 9

5.1.2.2 Module Outputs 9

5.2 Server Runables 9

5.3 Interrupt Functions 9

5.4 Module Internal (Local) Functions 9

5.4.1 ChkForECMBit28 9

5.4.1.1 Design Rationale 9

5.4.1.2 Processing 9

5.4.2 WrTestModeCtrReg 9

5.4.2.1 Design Rationale 10

5.4.2.2 Processing 10

5.5 GLOBAL Function/Macro Definitions 10

5.5.1 GLOBAL Function #1 10

5.5.1.1 Design Rationale 10

5.5.1.2 Processing 10

6 Known Limitations with Design 11

7 UNIT TEST CONSIDERATION 12

Appendix A Abbreviations and Acronyms 13

Appendix B Glossary 14

Appendix C References 15

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.

DataAndAdrPar & High-Level Description

See FDD

Design details of software module

Graphical representation of DataAndAdrPar

Data Flow Diagram

Component level DFD

N/A

Function level DFD

N/A

Constant Data Dictionary

Program (fixed) Constants

Embedded Constants

Local Constants

Software Component Implementation

Sub-Module Functions

Init:DataAndAdrParInit1

Design Rationale

Non-RTE Init function to verify the Data Parity Data Transfer Path micro diagnostic. Refer FDD for more details

Module Outputs

None

Init:DataAndAdrParInit2

Design Rationale

RTE empty Init function

Module Outputs

None

Server Runables

None

Interrupt Functions

None

Module Internal (Local) Functions

ChkForEcmBit28

Design Rationale

Static function to check whether ECM bit was set or not within a time out interval of max 2uSec

Processing

To be called from DataAndAdrParInit1 function

WrTestModeCtrReg

Design Rationale

Static function to write to the Test Mode Control register and verify the write was successful

Processing

To be called from DataAndAdrParInit1 function

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