MATLAB: How to import BITFIELD_TEXTTABLE CompuMethods with the AUTOSAR ARXML Importer

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I want to import the AUTOSAR "CompuMethods" of category "BITFIELD_TEXTTABLE" from an ARXML file in order to access the bitfields defined in my model.

Which versions of MATLAB support "CompuMethods" in such a way that I can access directly the fields, as I would do with "bus" or "enum" ?

Best Answer

When you import an ARXML file and create a component, the BITFIELD_TEXTTABLE category is automatically imported in MATLAB R2019a.

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MATLAB: Do I get the error message “Undefined function or variable” when importing ARXML

The error that you are seeing is due to a bug, which originated in R2016a. This issue makes bus-type parameter values not imported correctly when using SLDD.

The bug has been fixed in R2018b, so upgrading your release would fix the issue.

As a workaround if upgrading is not possible, you can do "createComponentAsModel" without saving the data to the Data Dictionary, and then perform the operation again, this time using the "DataDictionary" property:

importerObj = arxml.importer('myARXMLfile.arxml');
createComponentAsModel(importerObj, '/ComponentTypes/myComponent', 'CreateInternalBehavior', true);
bdclose
createComponentAsModel(importerObj, '/ComponentTypes/myComponent', 'CreateInternalBehavior', true, 'DataDictionary', 'myDictionary.sldd');

MATLAB: Is it possible to get list of Simulink model Autosar CompuMethods from command line interface

Hi Shiva,

there is an api available for the AUTOSAR properties:

arProps = autosar.api.getAUTOSARProperties(modelName);
compuMethods = find(arProps,[],'CompuMethod');

Have a great day,

~Lucas

Best Answer

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MATLAB: Do I get the error message “Undefined function or variable” when importing ARXML

MATLAB: Is it possible to get list of Simulink model Autosar CompuMethods from command line interface

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