Model block cannot be under a non-trivial mask since the model it references has grouped model arguments.

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db1024
db1024 2019-5-20
评论： Zouhair Mahboubi 2023-7-12
Hello,
I have created a model with model arguments, which are grouped into a structure using a Simulink.Parameter object and a Simulink.Bus object as data type. The model arguments are stored in the model workspace and marked as arguments.
This model can be referenced from another model without any issues using a model reference block.
But if I mask the referenced model, I always get the following error during compilation:
Model block 'myModel' cannot be under a non-trivial mask since the model it references has grouped model arguments.
Do I miss some point regarding referenced models?
Thx for helping...

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db1024
db1024 2019-5-21
The issue happens if the Simulink.Parameter object has a Storage Class other than Auto. By changing it to
myParam = Simulink.Parameter(myStruct);
myParam.CoderInfo.StorageClass = 'Auto';
the model can be referenced with a mask.
  2 个评论
Paul Rancuret
Paul Rancuret 2023-2-6
Is there a plan to support masking a referenced model with tunable arguments?
This is a pretty strong limitation. As soon as you set that storage class to 'Auto,' the model will then inline the parameter values when coded as a 'top model' rather than using the instance parameters.
Let's say I have a model which I intend to generate re-usable code with production intent. I intend each instance of the model to use differnet values for the parameters in the argument. In that case, I cannot use the 'Auto' storage class. Wouldn't I still want the ability to reference mutliple instances of the model in some other 'top-model' of a larger system? That seems to be one of the primary objectives of model referencing - I can instantiate the exact model intended to generate production code in some larger simulation for test purposes. Using masks at some level in the simulation/test model seems like the most maintainable/scalable way to accomplish this in all but the simplest of hierarchies.
Zouhair Mahboubi
Zouhair Mahboubi 2023-7-12
I second Paul's comment here: not being able to generate code that uses "non trivial" mask model references that have tunable instance parameters is pretty limiting!

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