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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Developer Center > USB HID not listing specific vendor HID interface

USB HID not listing specific vendor HID interface
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sirdong
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Join Date: Nov 2010
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Nov 5, 2010, 01:48 PM
 
Hi guys!

I need to communicate with a vendor specific USB HID interface. To communicate I intend to use the new HID Manager API (referenced in this Apple TN document).

I am having no troubles setting up the manager, but when it comes to listing device interfaces my application sometimes fails to list vendor HID interface I intend to use.

Below are the pictures from HID Explorer (which uses the same USB stack as I am using and lists only 3 HID interfaces):



and picture from USB Prober, which lists all four HID interfaces properly:



As you can see, the USB HID device is not listed in HID Explorer but is listed in USB Prober.

Please note that on Windows and Linux all interfaces are listed properly.

Any help from you guys would be really appreciated.

Thx.
     
   
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