Why do I get the error message "Undefined function or variable" when importing ARXML?

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MathWorks Support Team 2020-9-30

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回答： MathWorks Support Team 2020-9-30

For releases from R2016a to R2018a, when using "createComponentAsModel" with the "DataDictionary" option, I get the following error:

Undefined function or variable

I am using the following code to import the ARXML:

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

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Answer 1

MathWorks Support Team 2020-9-30

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/602398-why-do-i-get-the-error-message-undefined-function-or-variable-when-importing-arxml#answer_502828

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');