PlayStation Controller USB Interface

1
PlayStation Controller USB Interface

• Group Members of Rokken Like Dokken
• Frederick N. Genthner
• Patrick T. Phelan
• ECE 4180 Design Project
• Fall 2004
• James O. Hamblen

2
Introduction

• Our goal is to implement a PlayStation controller
  as a USB joystick in Windows XP
• We will interface the controller with the Devasys
  EZ-USB board
• To implement a Windows XP joystick, we will
  reprogram the firmware on the Devasys board

3
Controller Protocol
The controller communicates with its host using
five 8-bit serial transmissions
The data changes on the falling edge and is read
on the rising edge of the clock
The last two bytes contain the code for the
pressed buttons, each button assigned to a
specific bit
4
Flow Diagram
PlayStation Controller
Devasys EZ-USB
Tandy TRS-80
5
Gantt Chart
6
Business Plan

• Step 1 Learn C
• Step 2 ???
• Step 3 Profit!