F18: Spartan Warrior

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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.

Project Title

SPARTAN WARRIOR

Abstract

This project involves creating a shooting game, with increasing levels of difficulty, as the user progresses. The point of the game will be to shoot all of the enemies on the LED screen and avoid getting shot by them. If all enemies are shot within the allotted time, then the user will progress to a higher level, where there will be more enemies. The user will be given 3 lives. After 3 deaths, the user will have to start a new game, in order to play again.

Objectives & Introduction

Show list of your objectives. This section includes the high level details of your project. You can write about the various sensors or peripherals you used to get your project completed.

Team Members & Responsibilities

  • Alisha Jean Patrao
    • Game Design Logic and Firmware, PCB
  • Andrew Kwon
    • Soundtrack, LED Matrix Driver Development and LPC1758 Integration
  • Samir C. Mohammed
    • Wiki Management, PCB, LED Matrix Driver Development and LPC1758 Integration, Game Design
  • Sanjana Gowda
    • Game Design Logic and Firmware, PCB
  • Tanmay Chandavarkar
    • Controller Design and Integration

Headline text

Schedule

Week# Date Deliverables Status
1 10/8
  • Spartan Warrior project approved by instructor
  • Completed
Week# Date Deliverables Status
2 10/16
  • Create project Wiki page
  • Completed
Week# Date Deliverables Status
3 10/23
  • Finalize list of parts to order
  • Completed
Week# Date Deliverables Status
4 10/30
  • Order all necessary project parts
  • Completed
Week# Date Deliverables Status
5 11/06
  • Design and layout Board-Matrix interface circuit schematic and PCB in EAGLE
  • Finalize Spartan Warrior game design (flowchart and art)
  • Note: (Adafruit 32 x 32 LED matrix arrives today)
  • Complete sound effect for trigger pull
  • Completed
  • Completed
  • Completed
  • Completed
Week# Date Deliverables Status
6 11/13
  • Interface LPC1758 to 32 x 32 LED Adafruit LED Matrix
  • Complete and demo initial soundtrack prototype
  • Completed
  • In Progress
Week# Date Deliverables Status
7 11/20
  • Achieve full control of individual LED matrix pixels
  • Complete final soundtrack design
  • Send PCB to fabrication house
  • Completed
  • In progress
  • Completed
Week# Date Deliverables Status
8 11/27
  • Improve overall code readability
  • Integrate row control multiplexer into a FreeRTOS task
  • Integrate column control loop into a FreeRTOS task
  • Create and integrate data structures for enemy sprites
  • Implement lateral and vertical movement of sprites
  • Completed
  • Completed
  • Completed
  • Completed
  • Completed
Week# Date Deliverables Status
9 12/4
  • Implement shooting and scorekeeping into game
  • Finish designing controller prototype
  • Complete and demo final soundtrack
  • Integrate PCB into system
  • Test and debug PCB (send another revision to fabrication house if needed)
  • Integrate controller
  • Not Started
  • Not Started
  • Not Started
  • Not Started
  • Not Started
  • Not Started
Week# Date Deliverables Status
10 12/11
  • Complete initial full implementation of Spartan Warrior and demo
  • Test and debug game as needed
  • Integrate controller into system
  • Integrate Soundtrack into system
  • Integrate final PCB revision into system
  • Power LPC1758 using 9V battery and 12-5V Buck Converter
  • Not Started
  • Not Started
  • Not Started
  • Not Started
  • Not Started
  • Not Started
Week# Date Deliverables Status
11 12/20
  • Complete final implementation of Spartan Warrior
  • Complete debugging of all game components
  • Demo
  • Not Started
  • Not Started
  • Not Started

Parts List & Cost

Part # Cost Source
LPC 1758 Development Board 2 $160.00 Preet
Adafruit 32 x 32 LED Matrix 1 $39.95 https://www.adafruit.com/product/1484
PCB 1 $5.00 https://www.pcbway.com/
eBoot Mini MP1584EN DC-DC Buck Converter 1 $7.99 (6 pack) https://www.amazon.com/gp/product/B01MQGMOKI/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
5V/4A Power Supply US plug 1 $15.95 https://www.amazon.com/gp/product/B0749668H2/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
2.1mm Female Barrel Jack 1 $5.79 (2 pack) https://www.frys.com/product/7726878?site=sr:SEARCH:MAIN_RSLT_PG
VS1053 Codec + MicroSD Breakout - v4 1 $24.95 https://www.adafruit.com/product/1381

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.

PINOUT SJSUONE MP3 DECODER.PNG

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.

MP3 Decoder

The MP3 file is located on an SD card on the SJSUOne Board. Using the Storage object provided in the SJSUDev environment, 4k bytes of a mp3 file are read and transferred to a queue. When data in the queue is available, 32 bytes of the mp3 file are sent through SPI to the decoder that translates that information and outputs sounds.

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

Developing a driver for the LED matrix...

The biggest technical challenge that we faced was interfacing the LPC 1758 micro-controller, with the Adafruit 32 x 32 LED matrix.

Adafruit (the 32 x 32 LED matrix's manufacturer) provides a basic tutorial on their website, in order to help with interfacing the LED matrix to a micro-controller. The tutorial briefly describes the functions of the pins on the board's input and output connector ports. It also describes how to connect jumper wires to the ribbon cable (which comes packaged with the board), which connects to the matrix's input and output connector ports. It assumes that the user will utilize an Arduino-type micro-controller to drive the matrix's RGB LED's.

Because we used the LPC 1758 to drive the LED matrix, our choices were to either adapt a third party driver library designed for an Arduino, or develop a new driver. We chose the latter option, as the third party Arduino-focused API's were difficult to fully understand. We also felt that developing our own driver would allow us to gain a strong understanding of all aspects of micro-controller to LED matrix integration. This proved useful both for firmware development and debugging.

The first part of developing the LED matrix driver, was learning how each of the 16 input pins affected the matrix display.


<Bug/issue name>

Discuss the issue and resolution.

Conclusion

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Project Video

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Project Source Code

References

Acknowledgement

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References Used

Appendix

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