Emergency Alert System For Union College Television and Radio Bert Capuano Senior Project Winter 2009 Advisor: Prof. Hedrick
Motivation
Emergency Communication Emergency Message Web Website Telephone/Text Messaging Public Address SirenLoudspeakers TV/Radio
Design Requirements Software Requirements Secure Stable Hardware Requirements Meet all FCC, Federal, and State regulations School requirements Capable of relaying multiple pre-recorded messages Meets specified response time Documentation Requirements
Functionality
Client-Server Client can be accessed with multiple browsers Tested with Firefox and IE (supports any browser capable of Apache Digest authentication and PHP) Server logs all transmissions and commands issued Server runs Linux (Fedora 9) for increased security, stability, and ease of software design
Server-Hardware Message passing interface using RS-232 library in Python (called from PHP interface) Plays back audio and displays text slide on S-Video output Watchdog timer implemented on microcontroller
Message Passing
Future Work Stability Controls Respond to hardware miscommunication File management via web Custom Message text Custom Message Audio Generator Backup plan
Questions?