From statecharts to ESP: programming with events, states and predicates for embedded systems

  • Authors:
  • Vugranam C. Sreedhar;Maria-Cristina Marinescu

  • Affiliations:
  • IBM T.J. Watson Research Center, Hawthorne, NY;IBM T.J. Watson Research Center, Hawthorne, NY

  • Venue:
  • Proceedings of the 5th ACM international conference on Embedded software
  • Year:
  • 2005

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Abstract

Statecharts are probably the most popular mechanism for behavior modeling of embedded system components. Modeling a component involves using a mainstream language for features that statecharts cannot express: detailed behavior of conditions and actions, object-orientation and distributed computing features. Debugging is done at the level of the generated native code. Rather than treating statecharts as a separate programming model from the native programming model, we extend a (Java-like) language with support for key concepts of statecharts: (1) explicit states, (2) asynchronous events, and (3) conditional execution. This paper presents ESP*, a language that supports statecharts and a set of other advanced programming concepts to make programming embedded systems easier. The paper also shows how to translate statecharts to ESP*.