FordMsg202BusHiSpd_MDD
Module Design Document
For
FordMsg202BusHiSpd
June 19, 20157
Prepared For:
Software Engineering
Nexteer Automotive,
Saginaw, MI, USA
Prepared By:
Tata Elxsi,
Trivandrum, INDIA
Change History
| Sl. No. | Description | Author | Version | Date |
| 1 | Initial Version | TATA | 1.0 | 20-Dec-2017 |
Table of Contents
2 FordMsg202BusHiSpd & High-Level Description 6
3 Design details of software module 7
3.1 Graphical representation of FordMsg202BusHiSpd 7
4.1 Program (fixed) Constants 8
5 Software Component Implementation 9
5.1.1 Init: FordMsg202BusHiSpdInit1 9
5.1.2 Per: FordMsg202BusHiSpdPer 9
5.1.2.4 Store Local copy of outputs into Module Outputs 9
5.2.1 ComIPduCallout_EngVehicleSpThrottle2_HS2 9
5.2.2 ComTimeoutNotification_Ford_VehVActlEng_D_Qf 9
5.4 Module Internal (Local) Functions 10
5.5 GLOBAL Function/Macro Definitions 14
6 Known Limitations with Design 15
Appendix A Abbreviations and Acronyms 17
Introduction
Purpose
MDD for FordMsg202BusHiSpd
FordMsg202BusHiSpd & High-Level Description
Please refer FDD.
Design details of software module
Graphical representation of FordMsg202BusHiSpd
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 Name | Resolution | Units | Value |
|---|---|---|---|
| Please refer Data Dictionary .m file | NA | NA | NA |
Software Component Implementation
Sub-Module Functions
Init: FordMsg202BusHiSpdInit1
5.1.1.1 Design Rationale
None
5.1.1.2 Module Outputs
None
5.1.2 Per: FordMsg202BusHiSpdPer
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_EngVehicleSpThrottle2_HS2
5.2.1.1 Design Rationale
None
5.2.1.2 Processing of function
None
5.2.2 ComTimeoutNotification_Ford_VehVActlEng_D_Qf
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 Name | DiagEna | Type | Min | Max |
| Arguments Passed | ClrDiagcFlgProxy_Cnt_T_u08 | uint8 | 0U | 1U |
| FordAbsPrsnt_Cnt_T_u08 | uint8 | 0U | 1U | |
| FordTqSteerCmpEnad_Cnt_T_u08 | uint8 | 0U | 1U | |
| FordMissMsgDiagcInhb_Cnt_T_u08 | uint8 | 0U | 1U | |
| FordMfgDiagcInhb_Cnt_T_u08 | uint8 | 0U | 1U | |
| FordCanDtcInhb_Cnt_T_u08 | uint8 | 0U | 1U | |
| FordBrkOscnRednEnad_Cnt_T_u08 | uint8 | 0U | 1U | |
| FordTrlrBackupAssiEnad_Cnt_T_u08 | uint8 | 0U | 1U | |
| FordInvldMsgDiagcInhb_Cnt_T_u08 | uint8 | 0U | 1U | |
| * MissMsgNtcFail_Cnt_T_logl | boolean | False | True | |
| * MissMsgNtcPass_Cnt_T_logl | boolean | False | True | |
| * InvldMsgQlyFacDiagEna_Cnt_T_logl | boolean | False | True | |
| * InvldMsgGearRevDiagEna_Cnt_T_logl | boolean | False | True | |
| Return Value | NA | NA | NA | NA |
Design Rationale
None
Processing
Please refer to the below path in the FDD model.
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/DiagEna
Local Function #2
| Function Name | CalSeln | Type | Min | Max |
| Arguments Passed | FordEpsLifeCycMod_Cnt_T_u08 | uint8 | 0U | 1U |
| FordAbsPrsnt_Cnt_T_u08 | uint8 | 0U | 1U | |
| * BusHiSpdMissMsgFaildThd_Cnt_T_u16 | uint16 | 0U | 6000U | |
| * BusHiSpdGearRvStsInvldFaildThd_Cnt_T_u16 | uint16 | 0U | 6000U | |
| *BusHiSpdQlyFacEngModInvldFaildThd_Cnt_T_u16 | uint16 | 0U | 6000U | |
| Return Value | NA | NA | NA | NA |
Design Rationale
None
Processing
Please refer to the below path in the FDD model.
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/CalSeln
Local Function #3
| Function Name | VldFalse | Type | Min | Max |
| Arguments Passed | *FordVehGearRvsStsVld_Cnt_T_logl | boolean | False | True |
| * FordVehSpdEngModlVld_Cnt_T_logl | boolean | False | True | |
| * FordVehSpdEngModLoQlyVld_Cnt_T_logl | boolean | False | True | |
| * FordVehTrlrBackupAssiAvlVld_Cnt_T_logl | boolean | False | True | |
| Return Value | NA | NA | NA | NA |
Design Rationale
None
Processing
Please refer to the below path in the FDD model.
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/FordMsg202MsgMiss/VldFalse
5.4.4 Local Function #4
| Function Name | SigProcg | Type | Min | Max |
| Arguments Passed | Ford_GearRvrse_D_Actl1_Cnt_T_enum | enum.Ford_GearRvrse_D_Actl | 0U | 7U |
| Ford_Veh_V_ActlEng_Cnt_T_u16 | uint16 | 0U | 65535U | |
| Ford_VehVActlEng_D_Qf1_Cnt_T_enum | enum.Ford_VehVActlEng_D_Qf | 0U | 3U | |
| Ford_VehVActlEng_No_Cnt_Cnt_T_u08 | uint8 | 0U | 15U | |
| Ford_VehVActlEng_No_Cs_Cnt_T_u08 | uint8 | 0U | 255U | |
| Ford_VehVTrlrAid_B_Avail1_Cnt_T_enum | enum.Ford_VehVTrlrAid_B_Avail | False | True | |
| * FordVehGearRvsStsRaw_Cnt_T_u08 | uint8 | 0U | 7U | |
| * FordVehGearRvsSts_Cnt_T_enum | enum.Ford_GearRvrse_D_Actl | 0U | 7U | |
| * FordVehGearRvsStsVld_Cnt_T_logl | boolean | False | True | |
| * FordVehSpdEngModlRaw_Cnt_T_u16 | uint16 | 0U | 65535U | |
| * FordVehSpdEngModl_Kph_T_f32 | Float32 | 0F | 655.35F | |
| * FordVehSpdQlyFacEngModl_Cnt_T_enum | enum.Ford_VehVActlEng_D_Qf | 0U | 3U | |
| * FordVehSpdCntrEngModl_Cnt_T_u08 | uint8 | 0U | 15U | |
| * FordVehSpdChksEngModl_Cnt_T_u08 | uint8 | 0U | 255U | |
| * FordVehSpdEngModlVld_Cnt_T_logl | boolean | False | True | |
| * FordVehSpdEngModLoQlyVld_Cnt_T_logl | boolean | False | True | |
| * FordVehTrlrAidAvlRaw_Cnt_T_u08 | uint8 | 0U | 1U | |
| * FordVehTrlrAidAvl_Cnt_T_enum | enum.Ford_VehVTrlrAid_B_Avail | False | True | |
| * FordVehTrlrBackupAssiAvlVld_Cnt_T_logl | boolean | False | True | |
| *FordVehGearRvsStsVldFlg_Cnt_T_logl | boolean | False | True | |
| * FordVehSpdEngModlVldFlg_Cnt_T_logl | boolean | False | True | |
| Return Value | NA | NA | NA | NA |
5.4.4.1 Design Rationale
None
5.4.4.1 Processing
Please refer to the below path in the FDD model.
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/FordMsg202MsgPrsnt/SignalProcessing
5.4.5 Local Function #5
| Function Name | VldElpdTi | Type | Min | Max |
| Arguments Passed | *GearRvsStsVldElpdTi_Cnt_T_logl | boolean | False | True |
| *GearRvsStsInvldElpdTi_Cnt_T_logl | boolean | False | True | |
| *SpdEngModLoQlyVldElpdTi_Cnt_T_logl | boolean | False | True | |
| *SpdEngModLoQlyInvldElpdTi_Cnt_T_logl | boolean | False | True | |
| *FordVehTrlrBackupAssiAvlVldElpdTi_Cnt_T_logl | boolean | False | True | |
| *EngModlInvldElpdTi_Cnt_T_logl | boolean | False | True | |
| Return Value | NA | NA | NA | NA |
5.4.5.1 Design Rationale
None
5.4.5.2 Processing
Please refer to the below path in the FDD model.
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/FordMsg202MsgPrsnt/SignalProcessing/VldElpdTi
5.4.6 Local Function #6
| Function Name | VldChk | Type | Min | Max |
| Arguments Passed | FordVehGearRvsStsVldFlg_Cnt_T_logl | boolean | False | True |
| FordVehSpdEngModLoQlyVldFlg_Cnt_T_logl | boolean | False | True | |
| FordVehSpdEngModlVldFlg_Cnt_T_logl | boolean | False | True | |
| FordVehTrlrBackupAssiAvlVldElpdTi_Cnt_T_logl | boolean | False | True | |
| GearRvsStsVldElpdTi_Cnt_T_logl | boolean | False | True | |
| GearRvsStsInvldElpdTi_Cnt_T_logl | boolean | False | True | |
| SpdEngModLoQlyVldElpdTi_Cnt_T_logl | boolean | False | True | |
| SpdEngModLoQlyInvldElpdTi_Cnt_T_logl | boolean | False | True | |
| EngModlInvldElpdTi_Cnt_T_logl | boolean | False | True | |
| * FordVehGearRvsStsVld_Cnt_T_logl | boolean | False | True | |
| * FordVehSpdEngModLoQlyVld_Cnt_T_logl | boolean | False | True | |
| * FordVehTrlrBackupAssiAvlVld_Cnt_T_logl | boolean | False | True | |
| * FordVehSpdEngModlVld_Cnt_T_logl | boolean | False | True | |
| Return Value | NA | NA | NA | NA |
5.4.6.1 Design Rationale
None
5.4.6.2 Processing
Please refer to the below path in the FDD model.
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/FordMsg202MsgPrsnt/SignalProcessing/VldChk
GLOBAL Function/Macro Definitions
None
Known Limitations with Design
In the following path,
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/FordMsg202MsgPrsnt/SignalProcessing/VldChk/SpdEngModlInvld/FordVehSpdEngModlVldFalse
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/FordMsg202MsgPrsnt/SignalProcessing/VldChk/SpdEngModlInvld/SpdEngModlVldPrevious
The port name used within the FordVehSpdEngModlVldFalse and SpdEngModlVldPrevious subsystems do not match with the merge block output names.
In below path
MM061A_FordMsg202BusHiSpd/FordMsg202BusHiSpd/FordMsg202BusHiSpdPer1/FordMsg202MsgPrsnt/FordVehGearRvsStsinvld/FordVehGearRvsStsinvldFaild
Type casting required for CNVMILLISECTOCNT_CNTPERMILLISEC_U16 and BusHiSpdGearRvStsInvldFaildThd as per logic.
UNIT TEST CONSIDERATION
None.
Abbreviations and Acronyms
| Abbreviation or Acronym | Description |
|---|---|
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
| Term | Definition | Source |
|---|---|---|
| MDD | Module Design Document | |
| DFD | Data Flow Diagram |
References
| Ref. # | Title | Version |
|---|---|---|
| 1 | AUTOSAR Specification of Memory Mapping (Link:AUTOSAR_SWS_MemoryMapping.pdf) | v1.3.0 R4.0 Rev 2 |
| 2 | MDD Guideline | EA4 01.00.00 |
| 3 | Software Naming Conventions.doc | 1.0 |
| 4 | Software Design and Coding Standards.doc | 2.1 |
| 5 | FDD: MM061A_FordMsg202BusHiSpd_Design_2.1.0 | See Synergy sub project version |