CS-EE 481 Spring 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

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

CS-EE 481 Spring 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

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

CS-EE 481 Spring 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

CS-EE 481 Spring 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

CS-EE 481 Spring 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

CS-EE 481 Spring 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

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

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

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

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

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

CS-EE 481 Spring 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

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