ECE 415 Senior Design Project Fall 2006 Juan Latorre Anthony Messina Erin Morse David O’Grady Advisor: Professor Dennis Goeckel The Wireless Jukebox MDR – December 7 th, 2006

2 ECE 415 Senior Design Project Fall 2006 The Problem The current jukebox has problems: Size (Too big!) Cost (Too much!) Library Issues Static (difficult to update) Small song capacity

3 ECE 415 Senior Design Project Fall 2006 The Solution  Wireless Jukebox “Bleubaux” PC Application MP3 Player Stand Alone Jukebox Controller Bluetooth Connection (Survey Driven Solution)

4 ECE 415 Senior Design Project Fall 2006 PDR Retorts  Size?  Potential market? Recreation College Students Commercial Bars, Pubs, Restaurants, etc.

5 ECE 415 Senior Design Project Fall 2006 MDR Specifications  “Bleubaux” Software Development Testing  MP3 Player Develop prototype Show LCD functionality Integrate control buttons

6 ECE 415 Senior Design Project Fall 2006 System Block Diagram MP3 Player Laptop

7 ECE 415 Senior Design Project Fall 2006 Software  “Bleubaux” Music Software Developed in Microsoft Visual Studio using C++ Functional DOS prompt interfaced with keyboard

8 ECE 415 Senior Design Project Fall 2006 Hardware  Gumstix Basix 400xm-bt Processor: Intel XScale PXA MHz Memory: 16 MB built-in & 512 MB MMC Operating system: u-boot Linux kernel 2.6 Wireless: Infineon Bluetooth module  Gumstix Audiostix2 Features: audio output, LCD output, USB client, GPIO lines Audio codec: Phillips UCB1400

9 ECE 415 Senior Design Project Fall 2006 Hardware Cont’d  LCD 2.7” Sony ACX705AKM TFT 240x160 RGB Built-in LCD controller Requires custom driver  Buttons 4-way joystick with center push Allows user to scroll through songs and execute commands (play, pause, send song) Connects to Gumstix through GPIO 10mm

10 ECE 415 Senior Design Project Fall 2006 LCD/Gumstix Interface  LCD interfaced with Gumstix through a 3-bit digital interface LCD Audiostix 3 VCC__________________________________________________ _ 4 VCC____________________________________________________ 5 GND___________________________________________________ 6 GND___________________________________________________ 7 R0 (Red data input LSB)____________________ _ L_DD13 8 R1 (Red data input)________________________ _ L_DD14 9 R2 (Red data input MSB)____________________ _ L_DD15 10 G0 (Green data input LSB)___________________ _ L_DD08 11 G1 (Green data input)_____________________ _ _ L_DD09 12 G2 (Green data input MSB)________________ __ __ L_DD10 13 B0 (Blue data input LSB)________________ ____ _ L_DD02 14 B1 (Blue data input)_________________________ L_DD03 15 B2 (Blue data input MSB)______________________ L_DD04 16 HSYNC (Horizontal Line Synchronization)____________ LCLK 17 VSYNC (Vertical Line Synchronization)______________ FCLK 18 S/D (Shut down)_____________________________ #STBY GP_81 19 MCK (Master Clock)__________________________ _ L_PCLK 20 VCC____________________________________________________ VDD_2 21 LED VDD (Backlight VDD)___________________________ 22 LED GND (Backlight GND)__________________________

11 ECE 415 Senior Design Project Fall 2006 Button/Gumstix Interface  Joystick connected to digital I/O ports on audio codec  Gumstix configured to detect falling edge on these ports  Software program will be written to convert detection to actions on MP3 player

12 ECE 415 Senior Design Project Fall 2006 Cost Breakdown  Recurring Costs Audiostix2$40 LCD$60.33 Button $1.50 MMC Card $35 Basix 400xm-bt $169 __________________________ Total$ Goal Market Price: $325 Mass Production reduces this price per unit

13 ECE 415 Senior Design Project Fall 2006 Next Step  Bleubaux Develop GUI Implement Bluetooth Functionality

14 ECE 415 Senior Design Project Fall 2006 Next Step  MP3 Player Develop Program Modules Audio Functionality LCD Driver Input Interface Bluetooth Communication Integrate Hardware Components Develop daughterboard for Gumstix Battery/Power Management Design/Build Case

15 ECE 415 Senior Design Project Fall 2006 Questions ?