[libhid-discuss] check if the device is still connected?

Gabriel Rossetti gabriel.rossetti at arimaz.com
Wed Sep 30 08:51:18 UTC 2009


Gabriel Rossetti wrote:
> Hello everyone,
>
> is there a way to check if the device is still present?
>
> hid_find_usb_device() can't be used if the device is open and I'm not 
> sure
> hid_is_opened() detects if the device was opened and then unplugged 
> correctly.
>
> Thanks,
> Gabriel

What happens exactly when a device is unplugged? Am I responsible for 
cleaning
anything up (e.g. do I have to close it, release the interface, etc)?

Thanks,
Gabriel



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