A real time operating system for DSP applications

Details A real time operating system for DSP applications A real time operating system for DSP applications

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.509e..34f&link_type=abstract

In: Proceedings of DASIA 2002, 13 - 16 May 2002, Dublin, Ireland. Ed.: R. A. Harris. ESA SP-509, Noordwijk, Netherlands: ESA Pub

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Space Research: Computing, Software

Scientific paper

Usually, real-time software applications consist of periodic and sporadic tasks queued/activated/stopped by a scheduler which ensures a minimum task-switching overhead. The scheduler policy should optimise determinism and predictability in order to allow analysis and simulation activities leading to forecast the software behaviour, upon each internal/external event/exception, with proper accuracy. In particular, the implementation of control algorithms requires a scheduler strategy based on a robust cyclic scheduling engine running on the basis of a timeline table. On the other hand, the necessity to handle sporadic events requires the scheduler capability to manage asynchronous tasks. RTE21020, object of this paper, is a real time operating system developed for DSP21020, whose task management has the characteristics listed before.

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