%T Concurrent Event\-driven Programming in occam\-π for the Arduino
%A Christian L. Jacobsen, Matthew C. Jadud, Omer Kilic, Adam T. Sampson
%E Peter H. Welch, Adam T. Sampson, Jan Bækgaard Pedersen, Jon Kerridge, Jan F. Broenink, Frederick R. M. Barnes
%B Communicating Process Architectures 2011
%X The success of the Arduino platform has made embedded
programming widely accessible. The Arduino has seen many
uses, for example in rapid prototyping, hobby projects, and
in art installations. Arduino users are often not
experienced embedded programmers however, and writing
correct software for embedded devices can be challenging.
This is especially true if the software needs to use
interrupts in order to interface with attached devices.
Insight and careful discipline are required to
avoid introducing race hazards when using interrupt
routines. Instead of programming the Arduino in C or C++ as
is the custom, we propose using occam\-π as a
language as that can help the user manage the
concurrency introduced when using interrupts and help in the
creation of modular, well\-designed programs. This paper
will introduce the Arduino, the software that enables us to
run occam\-π on it, and a case study of
an environmental sensor used in an Environmental Science
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