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Number of instances of a resource

Add-On Required: This feature requires the MATLAB Support Package for Arduino Hardware add-on.



count = getResourceCount(arduinoObj, resourceName) returns the number of resource instances with the name resourceName. Use this function to keep track of the number of resource objects that exist in the current workspace.


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Create a servo object, and get a count of resources.

Create a servo object.

arduinoObj  = arduino();
s = servo (arduinoObj, 'D2');

Check the current resource count.

arduinoObj = obj.Parent;
count = getResourceCount(arduinoObj,'servo')
count = 

Input Arguments

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Arduino object, specified as an object that is an internal variable called from within classes that derive from matlabshared.addon.LibraryBase.

Name of resource to count, specified as a character vector.

Output Arguments

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Number of instances for a given resource, returned as a double.

Version History

Introduced in R2015b