GuardCfgAndDiagc Module Design Document

Module Design Document

For

GuardCfgAndDiagc

Nov 12 , 2017

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 GuardCfgAndDiagc & High-Level Description 6

3 Design details of software module 7

3.1 Graphical representation of GuardCfgAndDiagc 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: GuardCfgAndDiagcInit1 9

5.1.1.1 Design Rationale 9

5.1.1.2 Module Outputs 9

5.1.2 Init: GuardCfgAndDiagcInit2 9

5.1.2.1 Design Rationale 9

5.1.2.2 Module Outputs 9

5.1.3 Per: None 9

5.2 Server Runables 9

5.3 Interrupt Functions 9

5.4 Module Internal (Local) Functions 9

5.4.1 PegInin 9

5.4.1.1 Design Rationale 9

5.4.1.2 Processing 9

5.4.2 PbgInin 10

5.4.2.1 Design Rationale 10

5.4.2.2 Processing 10

5.4.3 FrGuardInin 10

5.4.3.1 Design Rationale 10

5.4.3.2 Processing 10

5.4.4 GlbRamGuardInin 10

5.4.4.1 Design Rationale 10

5.4.4.2 Processing 10

5.5 GLOBAL Function/Macro Definitions 10

5.5.1 GLOBAL Function #1 10

5.5.1.1 Design Rationale 11

5.5.1.2 Processing 11

6 Known Limitations with Design 12

7 UNIT TEST CONSIDERATION 13

Appendix A Abbreviations and Acronyms 14

Appendix B Glossary 15

Appendix C References 16

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.

GuardCfgAndDiagc & High-Level Description

See FDD

Design details of software module

Graphical representation of GuardCfgAndDiagc

Data Flow Diagram

Component level DFD

See FDD

Function level DFD

See FDD

Constant Data Dictionary

Program (fixed) Constants

Embedded Constants

Local Constants

Software Component Implementation

Sub-Module Functions

Init: GuardCfgAndDiagcInit1

Design Rationale

Non-RTE function for Guard configuration initialization of PEG, IPG, GRG,HBG and PBG so that guard protection can be initialized and enabled before the RTE is started

Module Outputs

Configuration registers for PEG, IPG,GRG,HRG and PBG

Init: GuardCfgAndDiagcInit2

Design Rationale

RTE Empty function for purposes of memory mapping

See FDD for more.

Module Outputs

None

Per: None

Server Runables

None

Interrupt Functions

None

Module Internal (Local) Functions

PegInin

Design Rationale

Sub function to set Peg Register configuration.

Processing

None

PbgInin

Design Rationale

Sub function to set PBG Register configuration.

Processing

None

HiSpdBusGuardInin

Design Rationale

Sub function to set HBG Register configuration.

Processing

None

GlbRamGuardInin

Design Rationale

Sub function to set GRG Register configuration.

Processing

None

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