Hello,
please have a look into the provided Build Environment for STM32F413-Discovery - there you will find the example DeviceIntegration within the folder \Examples\240x240\DeviceIntegration. This examples shows how to access the hardware button and the LED on the board from a GUI application.
I think this will help you.
Please have a look to the chapter Device Class and Device Driver? It describes the necessary concepts.
Best regards,Manfred.
Thanks for your response.
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