1. CS-EE 481 Spring 2006 1 CMOS Optically Triggered Traffic Recorder Authors Annette Collins Tom Kinnear Jeff Scott Advisor Dr. Aziz Inan Dr. Peter Osterberg Industry Representative Mr. Mike Desmith Intel Founder’s Day, 2006 University of Portland School of Engineering

2. CS-EE 481 Spring 2006 2 Agenda Introduction Annette Background Tom Methods Tom Results Jeff Conclusions Annette Demonstration Tom Founder’s Day, 2006 University of Portland School of Engineering

3. CS-EE 481 Spring 2006 3 Introduction What is it? –People Counter –Room usage and traffic analysis tool What is the purpose? –Building automation –Usage Analysis Founder’s Day, 2006 University of Portland School of Engineering

4. CS-EE 481 Spring 2006 4 Introduction Assumptions –No Intentional Disruptions –Single Person Doorway –Digital Sensor Output Founder’s Day, 2006 University of Portland School of Engineering

5. CS-EE 481 Spring 2006 5 Background Technologies –Optical triggering methods –CMOS VLSI circuit design –RS-232 Serial Link –Linux C programming Founder’s Day, 2006 University of Portland School of Engineering

6. CS-EE 481 Spring 2006 6 Background Functional Specifications –Room & Day counters –2-way communication with PC –Data logging via PC –Operate as stand-alone unit (no PC) –Ability to control room lighting –2 Custom CMOS ICs Founder’s Day, 2006 University of Portland School of Engineering

7. CS-EE 481 Spring 2006 7 Methods Top Down Design –Determined functional specifications –Created block diagrams –Created 4 distinct parts Counters, Direction Sensors, Light Controller, Off Chip Logic –Hierarchical Design for each part –Integrated parts Founder’s Day, 2006 University of Portland School of Engineering

8. CS-EE 481 Spring 2006 8 Methods Top Down Design –Software Modeling B 2 Logic, Ledit –Programmed CPLDs for Macromodel –Assembled prototype –Debugged circuitry Founder’s Day, 2006 University of Portland School of Engineering

9. CS-EE 481 Spring 2006 9 Results Founder’s Day, 2006 University of Portland School of Engineering How it Works...

10. CS-EE 481 Spring 2006 10 Results Founder’s Day, 2006 University of Portland School of Engineering

11. CS-EE 481 Spring 2006 11 Results It Works! Problems & Obstacles –Wrap around ‘bug’ –PC Interfacing –Heat Room Usage Report Founder’s Day, 2006 University of Portland School of Engineering

12. CS-EE 481 Spring 2006 12 Results Founder’s Day, 2006 University of Portland School of Engineering

13. CS-EE 481 Spring 2006 13 Conclusions Recap Improvements –Fix the wrap-around bug –Heat –Design sensors to operate on +5VDC –Shrink hardware –Consider IEEE 802.3 Ethernet Connection Founder’s Day, 2006 University of Portland School of Engineering

14. CS-EE 481 Spring 2006 14 Conclusions Special Thanks –Mr. Mike Desmith, Intel –Dr. Aziz Inan –Dr. Peter Osterberg –Sandra Ressel –MOSIS Foundation Founder’s Day, 2006 University of Portland School of Engineering

15. CS-EE 481 Spring 2006 15 Demonstration Founder’s Day, 2006 University of Portland School of Engineering