F19: Tower Defense in Space

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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

Tower Defense ... In Space

ABSTRACT

My abstract goes here.

INTRODUCTION AND OBJECTIVES

TEAM MEMBERS & RESPONSIBILITIES

Team Members

Administrative Roles

Technical Roles

  • [Ryan Zelek]

Team Lead
  • Game Design Lead
  • [Zach Smith]

Git Repo Manager
  • Hardware Design Lead
  • [Chong Hang Cheong]

Wiki Report Manager
  • LED Matrix API
  • [Polin Chen]

Bill of Materials Manager


SCHEDULE

TEAM MEETING DATES & DELIVERABLES

Week#

Date Assigned

Deliverables

Status

1 10/15/19
  • Share team contact information
  • Create Git Repository
  • Set up group Slack channel
  • Invite Preet to Slack
  • Establish Code Guidelines and Standards
  • Complete
  • Complete
  • Complete
  • Complete
  • Complete
2 10/22/19
  • Identify major hardware components (BOM)
  • Begin purchasing major items
  • Finalize game architecture
  • Have Git Repo Setup
  • Complete
  • Complete
  • Complete
  • Complete
3 10/29/19
  • Solidify individual roles and responsibilities
  • Establish baseline software architecture design and guidelines going forward
  • Complete
  • Complete
4 11/5/19

Kelvin

  • Verify functionality of LED matrix and gather resources for further understanding


  • Complete
5 11/12/19

Kelvin

  • Find out feasibility of creating an LED matrix driver in C

Polin

  • Have APIs ready for joystick and buttons

Ryan

  • Have basic user interface for the game displayed through serial port

Zach

  • First controller PCB design complete
  • Specify any remaining hardware components and coordinate purchase


  • Complete


  • Complete


  • Complete


  • Complete
  • Complete
6 11/19/19

Kelvin

  • Complete baseline API for LED matrix

Polin

  • Determine feasibility of MP3 decoding and integration into system

Ryan

  • Complete first pass at basic tower defense level with straight pathway

Zach

  • Controller PCB sent out for fabrication
  • Design break-out PCB for LED matrix + IO expander />


  • Complete


  • Incomplete


  • Complete


  • Complete
  • Complete
7 11/26/19

Kelvin

  • LED matrix driver should be reviewed and complete

Polin

  • Work with Zach to identify remaining hardware components and, if applicable, MP3 decoder requirements

Ryan

  • Work with Kelvin to integrate his API into the game
  • Game should be running with LED matrix display involvement
  • Advanced game logic design/implementation is near feature complete

Zach

  • PCB assembled and tested. Problems identified and solutions proposed


  • Incomplete


  • Incomplete


  • Complete
  • Complete
  • Complete


  • Complete
8 12/3/19
  • Complete game testing and validation
  • Critical bugs (software AND hardware) identified and a clear path towards closure has been identified
  • Incomplete
  • Complete
9 12/10/19
  • Continuation of previous week activities (bug fixes, etc)
  • Implement any potential optimizations and/or expansions
  • Incomplete
  • Incomplete


BILL OF MATERIALS (GENERAL PARTS)

MAJOR COMPONENTS

PART NAME

PART MODEL & SOURCE

QUANTITY

COST PER UNIT (USD)

  • 32x64 RGB LED Matrix
  • 2
  • $49.95



HARDWARE INTEGRATION

Hardware Design Overview

At a high level hardware integration requirements fell into two categories:

1. Reduce risk of unreliable cable connections and eliminate possibility of damage to components through unexpected disconnections, power surges, etc.
2. Provide a more fluid physical interface for the user to interact with the game via hardware


To accomplish these goals, two boards were designed: a breakout board and a gamepad controller. The breakout board serves as a connection hub between all system hardware components; power, the RGB matrix, the SJTWO board, etc. while the joystick provides a cleaner package to present the user with the games inputs. The diagram below shows the relationship between the main subsystems:


Tower defense in space hw block diagram.PNG


Breakout Board Design

The breakout board design requirement was to interface all external hardware components with the embedded system (SJTWO). The hardware connections are:

1. The 64x64 RGB Matrix
2. Output power to the RGB Matrix
3. User game controller (see next section)
4. Input power supply (5V)
5. The SJTWO embedded system


Breakout Board Schematic


Breakout Board PCB Top Layout
Breakout Board PCB Bottom Layout

Gamepad Hardware Design

The gamepad board design requirement was to provide a more packaged interface for the user to interact with the game.

Gamepad Schematic


Gamepad PCB Top Layout
Gamepad PCB Bottom Layout


Design

  • Balancing priorities between HW design and getting a working prototype


Assembly

  • Wireless antenna connector on master board not accounted for in footprint, it may have to be removed to avoid interference with one connector.

Bill Of Materials

HARDWARE INTEGRATION PCB

PART NAME

PART MODEL

QUANTITY

COST PER UNIT (USD)


TEST

In order


Hardware Design

During




We used

CONCLUSION

This pr


Project Video

Project Source Code

Advice for Future Students

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