Communicating Real-Time State Machines
IEEE Transactions on Software Engineering - Special issue: specification and analysis of real-time systems
Hardware-software co-design of embedded systems: the POLIS approach
Hardware-software co-design of embedded systems: the POLIS approach
Doing hard time: developing real-time systems with UML, objects, frameworks, and patterns
Doing hard time: developing real-time systems with UML, objects, frameworks, and patterns
UML distilled (2nd ed.): a brief guide to the standard object modeling language
UML distilled (2nd ed.): a brief guide to the standard object modeling language
Computer
The Structure and Semantics of Actor Languages
Proceedings of the REX School/Workshop on Foundations of Object-Oriented Languages
An Approach to Modeling and Verification of Real-Time Systems
ISORC '01 Proceedings of the Fourth International Symposium on Object-Oriented Real-Time Distributed Computing
Hardware/software co-design of run-time systems
Hardware/software co-design of run-time systems
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The methodology of hardware/software co-design of embedded control systems with Specification PEARL is presented. Hardware and software are modeled with the language Specification~PEARL, which has its origins in standard Multiprocessor~PEARL. Its usefulness is enhanced for modeling hierarchical and asymmetrical multiprocessor systems, and by additional parameters for schedulability analysis. Graphical symbols are introduced for its constructs to enable graphical modeling while maintaining the semantical background. It is meant to be a superlayer for programs, based on the PEARL programming model. To model program tasks, Timed State Transition Diagrams have been defined. The model of a co-designed system is verified for feasibility with co-simulation. The resulting information should be used when considering changes in a current design with the goal of producing a temporally feasible model. To support dynamic re-configurations, configuration management is introduced into the models. Since UML is becoming a de facto standard also for designing embedded control systems, and since Timed State Transition Diagrams and State Chart Diagrams share great similarity, an interface of the methodology to UML 2 is defined, using UML's extension mechanisms.