F13: Vehicle On Board Diagnostics
Contents
Grading Criteria
- How well is Software & Hardware Design described?
- How well can this report be used to reproduce this project?
- Code Quality
- Overall Report Quality:
- Software Block Diagrams
- Hardware Block Diagrams
- Schematic Quality
- Quality of technical challenges and solutions adopted.
Vehicle On Board Diagnostics
Abstract
The goal of this project is to develop a monitoring system for an automobile utilizing the SJSU development board containing an ARM LPC1758 chip. The monitoring system shall obtain key parameters from the ECU of the vehicle, in this case a Honda Civic '05. These parameters shall be processed by the LPC1758 chip and distributed to the LCD screen and stored into the micro SD card. If time permitting, the monitoring system shall incorporate an interface to an mobile app.
Objectives & Introduction
-Extract RPM, Speed, and Temperature data from vehicle -Interface with vehicle through UART bus by means of the On Board Diagnostic OBDII connector -Data sent to LCD and displayed to user using either UART, I2C, or SPI bus -Data stored into micro SD card through SPI bus in a view able format for future processing on a P
Team Members & Responsibilities
- Jonathan
- Hardware and Software Designer
Schedule
Show a simple table or figures that show your scheduled as planned before you started working on the project. Then in another table column, write down the actual schedule so that readers can see the planned vs. actual goals. The point of the schedule is for readers to assess how to pace themselves if they are doing a similar project.
| Week# | Date | Task | Completed |
|---|---|---|---|
| 1 | 10/7 | Project Proposal | Y |
| 2 | 10/14 | Order Parts for Project | Y |
| 3 | 10/21 | Receive Parts and work on schedule | Y |
| 4 | 10/28 | UART to OBII communication, Setup UART H/W | |
| 5 | 11/4 | SPI interface with LCD display, Setup SPI H/W | |
| 6 | 11/11 | SPI to SD card interface | |
| 7 | 11/18 | Purchase enclosure, Perform integration and test | |
| 8 | 11/25 | Debug and Complete wikipedia report | |
| 9 | 12/2 | Prepare Presentation |
Parts List & Cost
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Design & Implementation
The design section can go over your hardware and software design. Organize this section using sub-sections that go over your design and implementation.
Hardware Design
Discuss your hardware design here. Show detailed schematics, and the interface here.
Hardware Interface
In this section, you can describe how your hardware communicates, such as which BUSes used. You can discuss your driver implementation here, such that the Software Design section is isolated to talk about high level workings rather than inner working of your project.
Software Design
Show your software design. For example, if you are designing an MP3 Player, show the tasks that you are using, and what they are doing at a high level. Do not show the details of the code. For example, do not show exact code, but you may show psuedocode and fragments of code. Keep in mind that you are showing DESIGN of your software, not the inner workings of it.
Implementation
This section includes implementation, but again, not the details, just the high level. For example, you can list the steps it takes to communicate over a sensor, or the steps needed to write a page of memory onto SPI Flash. You can include sub-sections for each of your component implementation.
Testing & Technical Challenges
Describe the challenges of your project. What advise would you give yourself or someone else if your project can be started from scratch again? Make a smooth transition to testing section and described what it took to test your project.
Include sub-sections that list out a problem and solution, such as:
My Issue #1
Discuss the issue and resolution.
Conclusion
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Project Video
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Project Source Code
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References
Acknowledgement
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References Used
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Appendix
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