FordMsg40ABusHiSpd_MDD

Module Design Document

For

FordMsg40ABusHiSpd

June 19, 20157

Prepared For:

Software Engineering

Nexteer Automotive,

Saginaw, MI, USA

Prepared By:

Tata Elxsi,

Trivandrum, INDIA

Change History

Sl. No.DescriptionAuthorVersionDate
1Initial VersionTATA1.011-Dec-2017

Table of Contents

1 Introduction 4

1.1 Purpose 4

2 FordMsg40ABusHiSpd & High-Level Description 5

3 Design details of software module 6

3.1 Graphical representation of FordMsg40ABusHiSpd 6

3.2 Data Flow Diagram 6

Component level DFD 6

Function level DFD 6

4 Constant Data Dictionary 7

4.1 Program (fixed) Constants 7

Embedded Constants 7

5 Software Component Implementation 8

5.1 Sub-Module Functions 8

5.1.1 Init: FordMsg40ABusHiSpdInit1 8

5.1.2 Per: FordMsg40ABusHiSpdPer1 8

5.2 Server Runnables 8

5.2.1 ComIPduCallout_GGCC_Config_Mgmt_ID_1_HS2 8

5.2.2 ComTimeoutNotification_VehicleGGCCData 8

5.3 Interrupt Functions 9

5.4 Module Internal (Local) Functions 9

5.4.1 Local Function #1 9

5.4.2 Local Function #2 9

5.4.3 Local Function #3 10

5.4.4 Local Function #4 10

5.5 GLOBAL Function/Macro Definitions 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

MDD for FordMsg40ABusHiSpd

FordMsg40ABusHiSpd & High-Level Description

Please refer FDD.

Design details of software module

Graphical representation of FordMsg40ABusHiSpd

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

Constant NameResolutionUnitsValue
Please refer Data Dictionary .m fileNANANA
IDX2_CNT_U08Uint8Cnt2U
IDX3_CNT_U08Uint8Cnt3U
IDX4_CNT_U08Uint8Cnt4U
IDX5_CNT_U08Uint8Cnt5U
IDX6_CNT_U08Uint8Cnt6U
IDX7_CNT_U08Uint8Cnt7U
IDX8_CNT_U08Uint8Cnt8U
IDX9_CNT_U08Uint8Cnt9U
IDX10_CNT_U08Uint8Cnt10U
IDX11_CNT_U08Uint8Cnt11U
IDX12_CNT_U08Uint8Cnt12U
IDX13_CNT_U08Uint8Cnt13U
IDX14_CNT_U08Uint8Cnt14U
IDX15_CNT_U08Uint8Cnt15U
IDX16_CNT_U08Uint8Cnt16U
IDX17_CNT_U08Uint8Cnt17U

Software Component Implementation

Sub-Module Functions

5.1.1 Init: FordMsg40ABusHiSpdInit1

5.1.1.1 Design Rationale

None

5.1.1.2 Module Outputs

None

5.1.2 Per: FordMsg40ABusHiSpdPer1

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_GGCC_Config_Mgmt_ID_1_HS2

5.2.1.1 Design Rationale

None

5.2.1.2 Processing of function

None

5.2.2 ComTimeoutNotification_VehicleGGCCData

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

Function NameDiagEnaTypeMinMax
Arguments PassedFordCanDtcInhb_Cnt_T_u08uint80U1U
ClrDiagcFlgProxy_Cnt_T_u08uint80U1U
FordMissMsgDiagcInhb_Cnt_T_u08uint80U1U
FordMfgDiagcInhb_Cnt_T_u08uint80U1U
Return ValueMissMsgDiagEna_Cnt_T_loglbooleanFALSETRUE

Design Rationale

None

Processing

Please refer to the below path in the FDD model.

MM076A_FordMsg40ABusHiSpd/FordMsg40ABusHiSpd/FordMsg40ABusHiSpdPer1/DiagEna

Local Function #2

Function NameMissMsgFaildTypeMinMax
Arguments PassedMissMsgDiagEna_Cnt_T_loglbooleanFALSETRUE
BusHiSpdMissTiThdval_MilliSec_T_u16uint160U6000U
* FordVehGlbRealTi_Sec_T_f32float320.1F429496729.5F
* FordVehIdnNr_Cnt_T_u08uint80U255U
* FordVehTireCircum_MilliMtr_T_f32float320.0F65535.0F
Return ValueNANANANA

Design Rationale

None

Processing

Please refer to the below path in the FDD model.

MM076A_FordMsg40ABusHiSpd/FordMsg40ABusHiSpd/FordMsg40ABusHiSpdPer1/MissMsgFaild

Local Function #3

Function NameMissMsgPassdTypeMinMax
Arguments PassedMissMsgDiagEna_Cnt_T_loglbooleanFALSETRUE
* Ford_VehGGCCData_Cnt_T_u08uint80U255U
* FordVehGlbRealTi_Sec_T_f32float320.1F429496729.5F
* FordVehIdnNr_Cnt_T_u08uint80U255U
* FordVehTireCircum_MilliMtr_T_f32float320.0F65535.0F
Return ValueNANANANA

Design Rationale

None

Processing

Please refer to the below path in the FDD model.

MM076A_FordMsg40ABusHiSpd/FordMsg40ABusHiSpd/FordMsg40ABusHiSpdPer1/MissMsgPassd

Local Function #4

Function NameOutpProcTypeMinMax
Arguments PassedFord_VehGGCCData_Cnt_T_u08uint80U255U
VehGlbCfgByte1_Cnt_T_u08uint80U255U
VehGlbCfgByte2_Cnt_T_u08uint80U255U
FordVehGlbRealTi_Sec_T_f32float320.1F429496729.5F
FordVehIdnNr_Cnt_T_u08uint80U255U
FordVehTireCircum_MilliMtr_T_f32float320.0F65535.0F
Return ValueNANANANA

Design Rationale

None

Processing

Please refer to the below path in the FDD model.

MM076A_FordMsg40ABusHiSpd/FordMsg40ABusHiSpd/FordMsg40ABusHiSpdPer1/MissMsgPassd/OutpProc

GLOBAL Function/Macro Definitions

None

Known Limitations with Design

In model FordVehGlbRealTiPrev(PIM) value is assigned to FordVehGlbRealTi(Output). But both signal minimum value is not matching in the datadictionary.

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: MM076A_ FordMsg40ABusHiSpd _DesignSee Synergy sub project version
Last modified October 12, 2025: Initial commit (ddf2e20)