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Paper Details

%T Active Serial Port: A Component for JCSPNet Embedded Systems
%A Sarah Clayton, Jon Kerridge
%E Ian R. East, David Duce, Mark Green, Jeremy M. R. Martin, Peter H. Welch
%B Communicating Process Architectures 2004
%X The javax.comm package provides basic low\-level access
   between Java programs and external input\-output devices, in
   particular, serial devices. Such communications are handled
   using event listener technology similar to that used in the
   AWT package. Using the implementation of active AWT
   components as a model we have constructed an active serial
   port (ASP), using javax.comm, that gives a channel interface
   that is more easily incorporated into a JCSPNet collection
   of processes. The ASP has been tested in a real\-time
   embedded system used to collect data from infrared detectors
   used to monitor the movement of pedestrians. The collected
   data is transferred across an Ethernet from the serial port
   process to the data manipulation processes. The performance
   of the JCSPNet based system has been compared with that
   supplied by the manufacturer of the detector and we conclude
   by showing how a complete monitoring system could be
   constructed in a scalable manner.

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