FordMsg414BusHiSpd_MDD

Module Design Document

For

FordMsg414BusHiSpd

4-Apr-2018

Prepared For:

Software Engineering

Nexteer Automotive,

Saginaw, MI, USA

Prepared By:

Tata Elxsi,

Trivandrum, INDIA

Change History

Table of Contents

1 Introduction 6

1.1 Purpose 6

2 FordMsg414BusHiSpd & High-Level Description 7

3 Design details of software module 8

3.1 Graphical representation of FordMsg414BusHiSpd 8

3.2 Data Flow Diagram 8

Component level DFD 8

Function level DFD 8

4 Constant Data Dictionary 9

4.1 Program (fixed) Constants 9

Embedded Constants 9

5 Software Component Implementation 10

5.1 Sub-Module Functions 10

5.1.1 Init: FordMsg414BusHiSpdInit1 10

5.1.1.1 Design Rationale 10

5.1.1.2 Module Outputs 10

5.1.2 Per: FordMsg414BusHiSpdPer1 10

5.1.2.1 Design Rationale 10

5.1.2.2 Store Module Inputs to Local copies 10

5.1.2.3 Processing of function 10

5.1.2.4 Store Local copy of outputs into Module Outputs 10

5.2 Server Runnables 10

5.2.1 ComIPduCallout_BrakeSnData_6_HS2 10

5.2.1.1 Design Rationale 10

5.2.1.2 Processing of function 10

5.2.2 ComTimeoutNotification_Ford_StePinOffst_D_Stat 10

5.2.2.1 Design Rationale 10

5.2.2.2 Processing of function 10

5.3 Interrupt Functions 11

5.4 Module Internal (Local) Functions 11

5.4.1 Local Function #1 11

5.4.1.1 Design Rationale 11

5.4.1.2 Processing 11

5.4.2 Local Function #2 11

5.4.2.1 Design Rationale 12

5.4.2.2 Processing 12

5.5 GLOBAL Function/Macro Definitions 12

6 Known Limitations with Design 13

7 UNIT TEST CONSIDERATION 14

Appendix A Abbreviations and Acronyms 15

Appendix B Glossary 16

Appendix C References 17

Introduction

Purpose

MDD for FordMsg414BusHiSpd

FordMsg414BusHiSpd & High-Level Description

Please refer FDD.

Design details of software module

Graphical representation of FordMsg414BusHiSpd

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: FordMsg414BusHiSpdInit1

5.1.1.1 Design Rationale

None

5.1.1.2 Module Outputs

None

5.1.2 Per: FordMsg414BusHiSpdPer1

5.1.2.1 Design Rationale

None

5.1.2.2 Store Module Inputs to Local copies

None

5.1.2.3 Processing of function

None

5.1.2.4 Store Local copy of outputs into Module Outputs

None

Server Runnables

5.2.1 ComIPduCallout_BrakeSnData_6_FD1

5.2.1.1 Design Rationale

None

5.2.1.2 Processing of function

None

5.2.2 ComTimeoutNotification_Ford_StePinOffst_D_Stat

5.2.2.1 Design Rationale

None

5.2.2.2 Processing of function

None

Interrupt Functions

None

Module Internal (Local) Functions

Local Function #1

Design Rationale

None

Processing

Please refer to the below path in the FDD model.

MM070A_FordMsg414BusHiSpd/FordMsg414BusHiSpd/FordMsg414BusHiSpdPer1/MsgPrsnt/SigProcg/FordVehSteerPinionOffsVldCovn

Local Function #2

Design Rationale

None

Processing

Please refer to the below path in the FDD model.

MM070A_FordMsg414BusHiSpd/FordMsg414BusHiSpd/FordMsg414BusHiSpdPer1/MsgPrsnt/SigProcg/VldElpdTi

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