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Mappings might appear invalid if the model uses either Signal Storage Reuse or Block Reduction Optimization. These items are options you can set in the Simulink application software to reduce the memory footprint of the model. Disabling these options for the entire model makes all signals available for probing but increases the memory footprint of the model. You can mark individual signals as test points to maintain a reduced memory footprint while keeping certain signals available for probing. To make this change, load the model in the Simulink application software and perform the following actions:
For The MathWorks, Inc. MATLAB® application software release 13, right-click a signal and select Signal properties from the shortcut menu. Place a checkmark in the SimulinkGlobal(Test Point) checkbox and click the OK button to save changes.
For the MATLAB® application software release 14 and later, right-click a signal and select Signal properties from the shortcut menu. Click the Logging and accessibility tab, place a checkmark in the Test point checkbox, and click the OK button to save changes.
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Note If you previously converted this model to a model DLL, you must convert the model to a model DLL again after marking signals as test points. |
Similarly, you might not be able to probe signals from Virtual Blocks such as Mux, Demux, Bus Selector, and so on. Marking signals from these blocks as test points makes the signals available for probing.
Refer to the Simulink documentation for information about Signal Storage Reuse, Block Reduction Optimization, Virtual Blocks, and test points.
You might not be able to manipulate model parameters if that model uses the Inline parameters option in the Simulink application software. This option writes a constant value to each model parameter. You must launch the Simulink application software and disable this option so the Simulation Interface Toolkit can manipulate the model parameters.
Refer to the Simulink documentation for information about inline parameters.
You can create mappings to parameters and signals of masked subsystems. However, if a subsystem is linked, or linked and masked, any mappings to parameters and signals of that subsystem appear invalid. Refer to the Simulink documentation for information about linked and masked subsystems.
If a model contains a subsystem that does not have any parameters or signals, that subsystem appears in the model tree when you create mappings. However, you cannot create mappings to/from that subsystem.
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