Spacewire is an interface standard for high rate peer-to-peer intercommunication between several nodes and routers for example between pay loads and a spacecraft on-board computer. The functionalities of Spacewire continue to increase, mainly due to the increase of on-board software complexity. New facilities have to be provided to support the development and testing of Spacewire and on-board software applications. This paper provides an overview of a generic "request-action list" concept for real-time interface simulation physically implemented as a Spacewire Interface Simulator (SWIS). The SWIS concept provides a means of generic peer-to-peer interface simulations of the packet, protocol and application layer with free user-defined functionality for several simultaneous Spacewire links. A payload simulation can be established by "drag and drop" in a much shorter time than usually needed for project specific software development. Using the SWIS test and system engineers as well as managers can prepare simulations without any need for real-time software development. The effort (i.e. cost and time) for development of the test facility is reduced and the quality may increase significantly.


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    Title :

    Spacewire interface simulation


    Contributors:
    Peter, G. (author) / Rohbeck, U. (author) / Berlin, R. (author) / Russ, N. (author) / Ulmer, B. (author)


    Publication date :

    2006-01-01


    Size :

    310654 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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