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(Introduction)
 
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= Introduction =
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The Unified Codegeneration project (UCGN) provides an open-source framework for the generation of high quality source code which is suitable for safety-critical applications and certification (e.g ([http://en.wikipedia.org/wiki/DO-178B DO-178B])). Currently a Simulink and Stateflow front-end and a C-language back-end are included.
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Some of the strengths of UCGN:
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* Clearly readable source-code
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* Separation of functionality and parameters ("tunable parameters")
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* Robust data storage (compile-time static structures in favor of pointer run-time constructs)
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* Clear software architecture, direct correspondence to the model architecture
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* Separation of reusable library code
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* Simplicity and uniformity of software interfaces (for testing etc.)
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The following features are supported by the Simulink/UCGN
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* Discrete single-rate Simulink models and libraries
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* Block library with 50+ standard Simulink blocks
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* Periodic, condition-driven Stateflow charts (including flowgraphs, loops)
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* Structured data types through bus objects
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* Simulink native enumerations
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[[Introduction]]: Project background, overview
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= News =
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June 18, 2010: This project just came online... so bear with us as we keep adding documentation to this Wiki
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June 21, 2010: Released the UCGN Simulink Distribution 1.0.1, including a "Hello World" Simulink example
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June 28, 2010: Released SimulinkUcgnDistribution_1.0.2.zip, fixing two bugs (expression precedence and array copy indexing)
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July 7, 2010: Released 1.0.3 which contains some minor bug fixes and robustness additions. Also, environment variables (with the syntax %VAR%) can now be used in the working directory property of the project xml files.
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February 1, 2011: Released 1.0.4, enabling the use of Simulink enumerated types in Simulink and Stateflow models. This release also contains several bug fixes.
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February 17, 2011: Released 1.1.0, the use of flowgraph loops in Stateflow is now enabled.
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May 27, 2011: Released 1.1.1, bundling some smaller bugfixes.
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August 30, 2011: Released 1.1.2, just some smaller bugfixes
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March 29, 2012: Released 1.1.3, bugfixes and stability; also, updated to Simulink's new way of handling of Lookup/Interpolation, added sizeof operation to Stateflow
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= SourceForge =
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Visit the UCGN project [http://sourceforge.net/projects/ucgn on SourceForge].
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Download the latest UCGN Simulink [http://sourceforge.net/projects/ucgn/files/ distribution].
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= Semantic Meta-model =
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The Semantic Meta-model is the interface to the UCGN Code-generation. The meta-model uses XML/XSD to describe an abstract higher-order programming language, with object oriented features.
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[[Semantic Meta-model]]: Features, concept
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= Model Transformation: Simulink =
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Currently included with the project is a Simulink model transformation layer. Matlab m-files are provided to export Simulink models and libraries into a domain-specific XML representation. The model transformation layer, which is implemented in Java, then takes this XML-model as an input and transforms it into a Semantic Model, for which the UCGN framework can generate source code.
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[[Model Transformation: Simulink]]: Overview, features, constraints, modeling guide
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[[Simulink Supported Blocks]] ([[Simulink_Supported_Block_Details|details]])
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= Tutorials =
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[[Simulink UCGN Hello World | Simulink UCGN "Hello World"]] step by step example
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= Developers' Corner =

Latest revision as of 12:36, 27 May 2012

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