ECE 477 Design Review ECE 477 Design Review Group 3 Group 3 Spring 2007 Spring 2007

Chase Douglas Isaiah Simpson Casey Gaines Jim RodovichChase Douglas Isaiah Simpson Casey Gaines Jim Rodovich

OutlineOutline

• Project overviewProject overview• Design challenges facedDesign challenges faced• ECE 362 knowledge used ECE 362 knowledge used • Project demoProject demo

Project OverviewProject Overview

• Wireless Music PlayerWireless Music Player• Touch Panel and Audio Feedback For Touch Panel and Audio Feedback For

SetupSetup• Plays Internet Radio and Samba SharesPlays Internet Radio and Samba Shares• Rechargeable BatteriesRechargeable Batteries• Java Based Client For ControlJava Based Client For Control• Runs Linux, uses MPlayer!Runs Linux, uses MPlayer!

Design Challenges FacedDesign Challenges Faced

• Building a Linux Kernel and Building a Linux Kernel and SystemSystem

• Poor LCD DocumentationPoor LCD Documentation• Heat Dissipation Of ChargerHeat Dissipation Of Charger• Blew Up Charging Diode and Blew Up Charging Diode and

MicrocontrollerMicrocontroller• Fitting Device Inside CaseFitting Device Inside Case

ECE 362 Knowledge UsedECE 362 Knowledge Used

• General Microcontroller KnowledgeGeneral Microcontroller Knowledge– Setting Up RegistersSetting Up Registers– Tx / Rx of Data Through InterruptsTx / Rx of Data Through Interrupts

• DebuggingDebugging– Logic Analyzer To Check Touch PanelLogic Analyzer To Check Touch Panel

• Assembly of ProjectAssembly of Project– Sequential TestingSequential Testing– Creating PackagingCreating Packaging

Project DemoProject Demo

Questions / DiscussionQuestions / Discussion