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Emergency Alert SystemFor Union College Television and Radio
Bert CapuanoSenior Project Winter 2009
Advisor: Prof. Hedrick
Motivation
Emergency Communication
Emergency Message
Web Telephone/Text Messaging Public Address TV/Radio
E-Mail Website Siren Loudspeakers
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?