Can I find where a Simulink.Signal object is stored based on a Data Store Read/Write in the model?

Asked by Hadi Zyien on 28 Sep 2018

Latest activity Commented on by Hadi Zyien on 30 Oct 2018

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Simulink.Signal objects can be stored in the base workspace, model workspace, and/or a data dictionary. If I have a Data Store Read or Write that refers to a Simulink.Signal object (i.e., a "global" data store), is it possible to determine which one it is using? Can I do this programmatically? Using the get_param function on the data store read/write does not show any useful parameters that could associate a data store to its definition.

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Products

Simulink

Release

R2018a

1 Answer

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Answer by TAB on 28 Sep 2018

Edited by TAB on 28 Sep 2018

Accepted Answer

If Simulink.Signal object name is "x"

>> varInfo = Simulink.findVars('MyModel','Name','x')
varInfo = 
    VariableUsage with properties:
            Name: 'x'
          Source: 'base workspace'
      SourceType: 'base workspace'
           Users: {[1x26 char]}

3 Comments

Hadi Zyien on 28 Sep 2018

Thanks! That was exactly what I needed. Is there any way I can get the data store's DataType and Dimensions?

TAB on 1 Oct 2018

get_param('MyModel/Data Store Memory', 'OutDataTypeStr')
get_param('MyModel/Data Store Memory', 'Dimensions')

Hadi Zyien on 30 Oct 2018

I am not sure that this works for Simulink.Signal objects:

get_param(varInfo.Users{1}, 'OutDataTypeStr')

DataStoreRead block does not have a parameter named 'OutDataTypeStr'

How can I use the Simulink.Signal name to find the Data Type and Dimensions?

Products

Simulink

Release

R2018a

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