CurrMeas_MDD
Module Design Document
For
CurrMeas
Mar 23, 2018
Prepared For:
Software Engineering
Nexteer Automotive,
Saginaw, MI, USA
Prepared By:
Software Group,
Nexteer Automotive,
Saginaw, MI, USA
Change History
| Description | Author | Version | Date |
| Initial Version | Krzysztof Byrski | 1.0 | 19-May-2017 |
| Fixed anomaly EA4#13330 by using required NVM blocks as applicable | Krishna Anne | 2.0 | 16-Oct-17 |
| Created local functions for reducing the complexity of OffsetCalibration and GainCalibration functions | Mrudula Paturi | 3.0 | 23-Mar-18 |
Table of Contents
2 CurrMeas & High-Level Description 6
3 Design details of software module 7
3.1 Graphical representation of CurrMeas 7
4.1 Program (fixed) Constants 8
5 Software Component Implementation 9
5.2.1 CurrMeasEolGainReq_Oper 11
5.2.2 CurrMeasEolGainStsReq_Oper 11
5.2.3 CurrMeasEolOffsReq_Oper 11
5.2.4 CurrMeasEolOffsStsReq_Oper 11
5.2.5 CurrMeasGainReadReqSngIvtr_Oper 11
5.2.6 CurrMeasGainWrReqSngIvtr_Oper 11
5.2.7 CurrMeasOffsReadReqSngIvtr_Oper 12
5.2.8 CurrMeasOffsWrReqSngIvtr_Oper 12
5.4 Module Internal (Local) Functions 13
5.4.5 CalcMotCurrMotAgCorrd 15
5.5 GLOBAL Function/Macro Definitions 17
6 Known Limitations with Design 18
Appendix A Abbreviations and Acronyms 20
Introduction
Purpose
Module Design Document for ES200B_CurrMeas.
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.
CurrMeas & High-Level Description
Refer FDD.
Design details of software module
Graphical representation of CurrMeas
Data Flow Diagram
Refer FDD
Component level DFD
None
Function level DFD
None
Constant Data Dictionary
Program (fixed) Constants
Embedded Constants
Local Constants
| Constant Name | Resolution | Units | Value |
|---|---|---|---|
| CALPROCNOTSTRTD_CNT_U08 | 1 | Cnt | 0 |
| CALPROCSTRTD_CNT_U08 | 1 | Cnt | 1 |
| CALPROCPASS_CNT_U08 | 1 | Cnt | 2 |
| CALPROCPHAABCEOLOUTOFRNG_CNT_U08 | 1 | Cnt | 4 |
| CALPROCVEHSPDCNDNOTMET_CNT_U08 | 1 | Cnt | 16 |
| CALPROCMOTVELMRFCNDNOTMET_CNT_U08 | 1 | Cnt | 64 |
| VEHSPDCDNNOTMET_CNT_U08 | 1 | Cnt | 4 |
| MOTVELMRFCDNNOTMET_CNT_U08 | 1 | Cnt | 8 |
| DIAGCSTSINVTRINACTV_CNT_U08 | 1 | Cnt | 16 |
| FAILDATENA_CNT_U08 | 1 | Cnt | 2 |
| FAILDATWRMININ_CNT_U08 | 1 | Cnt | 3 |
| INVTRINACTV_CNT_U08 | 1 | Cnt | 8 |
| DIFOFFSRNGCHKMAX_VOLT_F32 | Single precision float | Volt | 1.0 |
| DEGREES30_MOTRAD_F32 | Single precision float | MotRad | 0.5236 |
| MAXCURRCORRD_AMPR_F32 | Single precision float | Ampr | 200.0 |
| PHAONTIBCOK_CNT_U08 | 1 | Cnt | 0x03 |
| PHAONTIACOK_CNT_U08 | 1 | Cnt | 0x05 |
| PHAONTIABOK_CNT_U08 | 1 | Cnt | 0x06 |
| PHAONTIABCOK_CNT_U08 | 1 | Cnt | 0x07 |
| PHAONTIA_CNT_U08 | 1 | Cnt | 0x04 |
| PHAONTIB_CNT_U08 | 1 | Cnt | 0x02 |
| PHAONTIC_CNT_U08 | 1 | Cnt | 0x01 |
| NANOSECTOSEC_ULS_F32 | Single precision float | Uls | 0.000000001 |
Software Component Implementation
Sub-Module Functions
Init: Init1
Design Rationale
Refer FDD
Module Outputs
Refer FDD
Per: Per1
Design Rationale
Refer FDD
Store Module Inputs to Local copies
Refer FDD
(Processing of function)………
Refer FDD
Store Local copy of outputs into Module Outputs
Refer FDD
Per: Per2
Design Rationale
Refer FDD
Store Module Inputs to Local copies
Refer FDD
(Processing of function)………
Refer FDD
Store Local copy of outputs into Module Outputs
Refer FDD
Per: Per3
Design Rationale
Refer FDD
Store Module Inputs to Local copies
Refer FDD
(Processing of function)………
Refer FDD
Store Local copy of outputs into Module Outputs
Refer FDD
Server Runables
CurrMeasEolGainReq_Oper
Design Rationale
Refer FDD
(Processing of function)………
Refer FDD
CurrMeasEolGainStsReq_Oper
Design Rationale
Refer FDD
(Processing of function)………
Refer FDD
CurrMeasEolOffsReq_Oper
Design Rationale
Refer FDD
(Processing of function)………
Refer FDD
CurrMeasEolOffsStsReq_Oper
Design Rationale
Refer FDD
CurrMeasGainReadReqSngIvtr_Oper
Design Rationale
Refer FDD
(Processing of function)………
Refer FDD
CurrMeasGainWrReqSngIvtr_Oper
Design Rationale
Refer FDD
(Processing of function)………
Refer FDD
CurrMeasOffsReadReqSngIvtr_Oper
Design Rationale
Refer FDD
(Processing of function)………
Refer FDD
CurrMeasOffsWrReqSngIvtr_Oper
Design Rationale
Refer FDD
(Processing of function)………
Refer FDD
Interrupt Functions
None
Module Internal (Local) Functions
OffsetCalibration
| Function Name | OffsetCalibration | Type | Min | Max |
| Arguments Passed | MotCurrAdcVlyA_Volt_T_f32 | float32 | 0.0 | 5.0 |
| MotCurrAdcVlyB_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrAdcVlyC_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotVelMrf_MotRadPerSec_T_f32 | float32 | -1350.0 | 1350.0 | |
| VehSpd_Kph_T_f32 | float32 | 0.0 | 511.0 | |
| VehSpdVld_Cnt_T_logl | boolean | FALSE | TRUE | |
| BrdgVltg_Volt_T_f32 | float32 | 6.0 | 26.5 | |
| DiagcStsIvtr1Inactv_Cnt_T_logl | boolean | FALSE | TRUE | |
| Return Value | N/A | - | - | - |
Design Rationale
Refer FDD
Processing
Refer FDD
GainCalibration
| Function Name | GainCalibration | Type | Min | Max |
| Arguments Passed | MotCurrEolOffsProcFlg_Cnt_T_logl | boolean | FALSE | TRUE |
| MotCurrAdcVlyA_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrAdcVlyB_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrAdcVlyC_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotVelMrf_MotRadPerSec_T_f32 | float32 | -1350.0 | 1350.0 | |
| MotCurrOffsZeroAvrgA_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrOffsZeroAvrgB_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrOffsZeroAvrgC_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| VehSpd_Kph_T_f32 | float32 | 0.0 | 511.0 | |
| VehSpdVld_Cnt_T_logl | boolean | FALSE | TRUE | |
| DiagcStsIvtr1Inactv_Cnt_T_logl | boolean | FALSE | TRUE | |
| MotCurrEolCalStPrev_Cnt_T_enum | MotCurrEolCalSt2 | 0 | 8 | |
| Return Value | N/A | - | - | - |
Design Rationale
Refer FDD
Processing
Refer FDD
RangeChkWIABC
| Function Name | RangeChkWIABC | Type | Min | Max |
| Arguments Passed | MotCurrAdcVlyA_Volt_T_f32 | float32 | 0.0 | 5.0 |
| MotCurrAdcVlyB_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrAdcVlyC_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| Return Value | InRng_Cnt_T_logl | boolean | FALSE | TRUE |
Design Rationale
Refer FDD
Processing
Refer FDD
ProtocolChkENABC
| Function Name | ProtocolChkENABC | Type | Min | Max |
| Arguments Passed | N/A | - | - | - |
| Return Value | ProtocolChkEn_Cnt_T_logl | boolean | FALSE | TRUE |
Design Rationale
Refer FDD
Processing
Refer FDD
CalcMotCurrMotAgCorrd
| Function Name | CalcMotCurrMotAgCorrd | Type | Min | Max |
| Arguments Passed | N/A | - | - | - |
| Return Value | MotCtrlCurrMeasMotAgCorrd_Rad_T_f32 | float32 | -0.7666 | 6.2832 |
Design Rationale
Refer FDD
Processing
Refer FDD
CalMotCurrCorrdABC
| Function Name | CalMotCurrCorrdABC | Type | Min | Max |
| Arguments Passed | MotCurrOffsA_Volt_T_f32 | float32 | -1892868,5 | 1892873,5 |
| MotCurrOffsA_Volt_T_f32 | float32 | -1892868,5 | 1892873,5 | |
| MotCurrOffsA_Volt_T_f32 | float32 | -1892868,5 | 1892873,5 | |
| Return Value | N/A |
Design Rationale
Refer FDD
Processing
Refer FDD
OffsCalcABC
| Function Name | OffsCalcABC | Type | Min | Max |
| Arguments Passed | N/A | |||
| Return Value | MotCurrOffsA_Volt_T_f32 | float32 | -1892868,5 | 1892873,5 |
| MotCurrOffsB_Volt_T_f32 | float32 | -1892868,5 | 1892873,5 | |
| MotCurrOffsC_Volt_T_f32 | float32 | -1892868,5 | 1892873,5 |
Design Rationale
Refer FDD
Processing
Refer FDD
GainCmdAD
| Function Name | GainCmdAD | Type | Min | Max |
| Arguments Passed | MotCurrAdcVlyA_Volt_T_f32 | float32 | 0.0 | 5.0 |
| MotCurrOffsZeroAvrgA_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| Return Value | N/A |
Design Rationale
This function is created for reducing the complexity of GainCalibration function
Processing
Refer the source file
GainCmdBE
| Function Name | GainCmdBE | Type | Min | Max |
| Arguments Passed | MotCurrAdcVlyB_Volt_T_f32 | float32 | 0.0 | 5.0 |
| MotCurrOffsZeroAvrgB_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| Return Value | N/A |
Design Rationale
This function is created for reducing the complexity of GainCalibration function
Processing
Refer the source file
GainCmdCF
| Function Name | GainCmdCF | Type | Min | Max |
| Arguments Passed | MotCurrAdcVlyC_Volt_T_f32 | float32 | 0.0 | 5.0 |
| MotCurrOffsZeroAvrgC_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| Return Value | N/A |
Design Rationale
This function is created for reducing the complexity of GainCalibration function
5.4.10.2 Processing
Refer the source file
CmdSafest
| Function Name | CmdSafest | Type | Min | Max |
| Arguments Passed | DiagcStsIvtr1Inactv_Cnt_T_logl | boolean | FALSE | TRUE |
| Return Value | N/A |
Design Rationale
This function is created for reducing the complexity of GainCalibration function
5.4.11.2 Processing
Refer the source file
OffsCmdHI
| Function Name | OffsCmdHI | Type | Min | Max |
| Arguments Passed | MotCurrAdcVlyA_Volt_T_f32 | float32 | 0.0 | 5.0 |
| MotCurrAdcVlyB_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrAdcVlyC_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| BrdgVltg_Volt_T_f32 | float32 | 6.0 | 26.5 | |
| Return Value | N/A |
Design Rationale
This function is created for reducing the complexity of OffsetCalibration function
5.4.12.2 Processing
Refer the source file
OffsCmdLO
| Function Name | OffsCmdLO | Type | Min | Max |
| Arguments Passed | MotCurrAdcVlyA_Volt_T_f32 | float32 | 0.0 | 5.0 |
| MotCurrAdcVlyB_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrAdcVlyC_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| Return Value | N/A |
Design Rationale
This function is created for reducing the complexity of OffsetCalibration function
5.4.13.2 Processing
Refer the source file
OffsCmdZERO
| Function Name | OffsCmdZERO | Type | Min | Max |
| Arguments Passed | MotCurrAdcVlyA_Volt_T_f32 | float32 | 0.0 | 5.0 |
| MotCurrAdcVlyB_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| MotCurrAdcVlyC_Volt_T_f32 | float32 | 0.0 | 5.0 | |
| Return Value | N/A |
Design Rationale
This function is created for reducing the complexity of OffsetCalibration function
5.4.14.2 Processing
Refer the source file
OffsCmdEND
| Function Name | OffsCmdEND | Type | Min | Max |
| Arguments Passed | DiagcStsIvtr1Inactv_Cnt_T_logl | boolean | FALSE | TRUE |
| Return Value | N/A |
Design Rationale
This function is created for reducing the complexity of OffsetCalibration function
5.4.15.2 Processing
Refer the source file
GLOBAL Function/Macro Definitions
None
Known Limitations with Design
None
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 01.00.01 |
| 3 | Software Naming Conventions | 01.01.00 |
| 4 | Software Design and Coding Standards | 2.1 |
| 5 | ES200B_CurrMeas_Design | See Synergy Sub Project Version |