PwrDiscnct_MDD
Module Design Document
For
‘PwrDiscnct’
VERSION: 1.0
DATE: 09-Apr-2015
Prepared By:
Sankardu Varadapureddi,
Nexteer Automotive,
Saginaw, MI, USA
Location: The official version of this document is stored in the Nexteer Configuration Management System.
Revision History
| Sl. No. | Description | Author | Version | Date |
| 1 | Initial Version | Sankardu Varadapureddi | 1.0 | 09-Apr-2015 |
Table of Contents
3 Power Disconnect High-Level Description 6
4 Design details of software module 7
4.1 Graphical representation of POWER DISCONNECT 7
5.1 User defined typedef definition/declaration 8
5.2 Variable definition for enumerated types 8
6.1 Program(fixed) Constants 9
6.1.2 Module specific Lookup Tables Constants 9
7 Software Module Implementation 10
7.1.1 Initialization Functions 10
7.1.2.1 Per: PwrDiscnct_Per1 10
7.1.2.1.2 Store Module Inputs to Local copies 10
7.1.2.1.3 (Processing of function)……… 10
7.1.2.1.4 Store Local copy of outputs into Module Outputs 10
7.1.4 Serial Communication Functions 11
7.1.5 Local Function/Macro Definitions 11
7.1.6 GLObAL Function/Macro Definitions 11
7.1.7 Tranisition FUNCTIONS 11
8 Known Limitations With Design 12
Abbrevations And Acronyms
| Abbreviation | Description |
|---|---|
| DFD | Design functional diagram |
| MDD | Module design Document |
| FDD | Functional Design Document |
References
This section lists the title & version of all the documents that are referred for development of this document
| Sr. No. | Title | Version |
|---|---|---|
| 1 | MDD Guidelines | Process 3.06.00 |
| 2 | Software Naming Conventions | Process 3.06.00 |
| 3 | Software Design and Coding standards | Process 3.06.00 |
| 4 | FDD - ES003A_PwrDiscnct_Design | See Synergy sub project version |
Power Disconnect High-Level Description
This function will verify that the PowerDisconnect is not stuck closed at init once per Ignition Cycle.
Design details of software module
Graphical representation of POWER DISCONNECT
Data Flow Diagram
Refer FDD
Module level DFD
Refer FDD
Sub-Module level DFD
Refer FDD
COMPONENT FLOW DIAGRAM
Refer FDD
Variable Data Dictionary
User defined typedef definition/declaration
<This section documents any user types uniquely used for the module.>
| Typedef Name | Element Name | User Defined Type | Legal Range (min) | Legal Range (max) |
|---|---|---|---|---|
| None | ||||
Variable definition for enumerated types
| Enum Name | Element Name | Value |
|---|---|---|
| None |
Constant Data Dictionary
Program(fixed) Constants
Embedded Constants
Local
| Constant Name | Resolution | Units | Value |
|---|---|---|---|
| None |
Global
| Constant Name |
|---|
Module specific Lookup Tables Constants
| Constant Name | Resolution | Value | Software Segment |
|---|---|---|---|
| None |
Software Module Implementation
Sub-Module Functions
Initialization Functions
None
PERIODIC FUNCTIONS
Per: PwrDiscnctPer1
Design Rationale
Design follows implemenetation in FDD.
Store Module Inputs to Local copies
Refer to FDD
(Processing of function)………
Refer to FDD (Block ‘PwrDiscnct’)
Store Local copy of outputs into Module Outputs
Refer to FDD
Interrupt Functions
None
Serial Communication Functions
None
Local Function/Macro Definitions
None
GLObAL Function/Macro Definitions
None
Tranisition FUNCTIONS
None
Known Limitations With Design
None
UNIT TEST CONSIDERATION
Appendix
None