PosnTrakgServo_MDD

Module Design Document

For

Jan 20, 2017

Prepared For:

Software Engineering

,

Saginaw, MI, USA

Prepared By:

Matthew Leser

,

Change History

DescriptionAuthorVersionDate
Initial VersionMatthew Leser1.020-Jan-2017


Table of Contents

1 Introduction 5

1.1 Purpose 5

2 PosnTrakgServo & High-Level Description 6

3 Design details of software module 7

3.1 Graphical representation of PosnTrakgServo 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: PosnTrakgServoInit1 9

5.1.1.1 Design Rationale 9

5.1.1.2 Module Outputs 9

5.1.2 Per: PosnTrakgServoPer1 9

5.1.2.1 Design Rationale 9

5.1.2.2 Store Module Inputs to Local copies 9

5.1.2.3 (Processing of function)……… 9

5.1.2.4 Store Local copy of outputs into Module Outputs 9

5.2 Server Runables 9

5.3 Interrupt Functions 9

5.4 Module Internal (Local) Functions 9

5.4.1 Local Function #1 9

5.4.1.1 Design Rationale 10

5.4.1.2 Processing 10

5.5 GLOBAL Function/Macro Definitions 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

MDD for Position Tracking Servo.

PosnTrakgServo & High-Level Description

Please refer FDD

Design details of software module

Graphical representation of PosnTrakgServo

Data Flow Diagram

Please refer FDD

Component level DFD

Function level DFD

Constant Data Dictionary

Program (fixed) Constants

Embedded Constants

Local Constants

Constant NameResolutionUnitsValue

Software Component Implementation

Sub-Module Functions

Init: PosnTrakgServoInit1

Design Rationale

None

Module Outputs

None

Per: PosnTrakgServoPer1

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 Runables

None

Interrupt Functions

None

Module Internal (Local) Functions

Local Function #1

Function NameSVResetTypeMinMax
Arguments PassedPosnServoEna_Cnt_T_lgcBooleanFALSETRUE
SVResetInp_HwNwtMtr_T_f32Float32
Return ValueSVResetOup_Uls_T_f32Float32

Design Rationale

NA

Processing

Please refer SVReset block of the FDD.

GLOBAL Function/Macro Definitions

None.

Known Limitations with Design

None.

UNIT TEST CONSIDERATION

None.

Abbreviations and Acronyms

Abbreviation or AcronymDescription

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

TermDefinitionSource
MDDModule Design Document
DFDData Flow Diagram

References

Ref. #TitleVersion
1AUTOSAR Specification of Memory Mapping (Link:AUTOSAR_SWS_MemoryMapping.pdf)v1.3.0 R4.0 Rev 2
2MDD GuidelineEA4 01.00.00
3Software Naming Conventions.doc1.0
4Software Design and Coding Standards.doc2.1
5FDD: SF020B_PosnTrakgServo_DesignSee Synergy sub project version
Last modified October 12, 2025: Initial commit (ddf2e20)