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Configuring the communication on FlexRay - the case of the static segment

Mathieu Grenier 1 Lionel Havet 1 Nicolas Navet 1 
1 TRIO - Real time and interoperability
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : This paper deals with the configuration of the static segment of a FlexRay network, in the case where the tasks producing the signals are not synchronized with the FlexRay communication cycle, as it can be the case, for instance, if legacy software is to be re-used. First, we provide solutions to verify the freshness constraints of the signals exchanged in the static segment, under the form of both simple non-schedulability tests and an exact analysis. Then we propose a heuristic to construct the communication schedule, which proved to be efficient in our experiments. Finally, we highlight some future work that should help us further optimize the configuration of FlexRay networks, be it in regard to hardware resource usage or dependability objectives.
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Submitted on : Wednesday, April 16, 2008 - 3:54:01 PM
Last modification on : Friday, February 4, 2022 - 3:31:20 AM
Long-term archiving on: : Friday, May 21, 2010 - 1:48:02 AM


  • HAL Id : inria-00273886, version 1



Mathieu Grenier, Lionel Havet, Nicolas Navet. Configuring the communication on FlexRay - the case of the static segment. 4th European Congress on Embedded Real Time Software (ERTS 2008), 2008, Toulouse, France. ⟨inria-00273886⟩



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