%T Designing a Mathematically Verified I2C Device Driver using ASD
%A Arjen Klomp, Herman Roebbers, Ruud Derwig, Leon Bouwmeester
%E Peter H. Welch, Herman Roebbers, Jan F. Broenink, Frederick R. M. Barnes, Carl G. Ritson, Adam T. Sampson, G. S. Stiles, Brian Vinter
%B Communicating Process Architectures 2009
%X This paper describes the application of the Analytical
Software Design methodology to the development of a
mathematically verified I2C device driver for Linux. A model
of an I2C controller from NXP is created, against which the
driver component is modelled. From within the ASD tool the
composition is checked for deadlock, livelock and
other concurrency issues by generating CSP from the models
and checking these models with the CSP model checker FDR.
Subsequently C code is automatically generated which, when
linked with a suitable Linux kernel run\-time, provides a
complete defect\-free Linux device driver. The performance
and footprint are comparable to handwritten code.
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