Variable table inputs in Simulink Coder

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Jose
Jose 2011-10-26
Hello - we are generating code in Embedded Coder. Our application requires that we load X-Y-Z table data from existing variables from the legacy code we are integrating with our model-generated code. I can't seem to find where any of the Table Lookup blocks in Simulink allow the table data to be loaded dynamically (i.e. at runtime) from an external signal input. I expected that I could define a data object which would define the C array from which I would load the table data. Any help greatly appreciated.

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Kaustubha Govind
Kaustubha Govind 2011-10-26
AFAIK, only the Lookup Table Dynamic allows you to provide data at runtime - I don't think such a block is available for 2-D data. However, what you can do is specify the table data parameters as Simulink.Parameter objects and specify their storage class as ImportedExtern, so that the actual definition is picked up from your legacy code. As far as I know, this can be done with tunable parameters, but you could try and see if the same idea works for your Lookup Table data (which I believe should be non-tunable).

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