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How do Ito uniquely identify a USB HID class device?

I would like to identify a USB keyboard uniquely  (something equivalent to the unique MAC addressmac-id for the Ethernet cards) on a computer. Does the USB HID profile havehas a support for such identification  ? If so, what is the field called  ?

I I understand that VID and PID uniquely identify a make of keyboard from a vendor, but I am looking forward to identifying each keyboard separately.

PS : Asking the question on Elex SE, since I would have to implement this USB profile on AVR32 AVR32.

How do I uniquely identify a USB HID class device?

I would like to identify a USB keyboard uniquely  (something equivalent to the unique MAC address for the Ethernet cards) on a computer. Does the USB HID profile have support for such identification? If so, what is the field called?

I understand that VID and PID uniquely identify a make of keyboard from a vendor, but I am looking forward to identifying each keyboard separately.

I would have to implement this USB profile on AVR32.

How to uniquely identify USB HID class device?

I would like to identify a USB keyboard uniquely(something equivalent to unique mac-id for the Ethernet cards) on a computer. Does the USB HID profile has a support for such identification  ? If so what is the field called  ? I understand that VID and PID uniquely identify a make of keyboard from a vendor, but I am looking forward to identifying each keyboard separately.

PS : Asking the question on Elex SE, since I would have to implement this USB profile on AVR32.

2 Copy edited (e.g. ref. <http://en.wikipedia.org/wiki/MAC_address> and <http://english.stackexchange.com/questions/4645/is-it-ever-correct-to-have-a-space-before-a-question-or-exclamation-mark#comment206109_4645>). Removed meta information (this belongs in comments).
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How todo I uniquely identify a USB HID class device?

I would like to identify a USB keyboard uniquely  (something equivalent to the unique mac-idMAC address for the Ethernet cards) on a computer. Does the USB HID profile has ahave support for such identification  ? If so, what is the field called  ? I

I understand that VID and PID uniquely identify a make of keyboard from a vendor, but I am looking forward to identifying each keyboard separately.

PS : Asking the question on Elex SE, since I would have to implement this USB profile on AVR32AVR32.

How to uniquely identify USB HID class device?

I would like to identify a USB keyboard uniquely(something equivalent to unique mac-id for the Ethernet cards) on a computer. Does the USB HID profile has a support for such identification  ? If so what is the field called  ? I understand that VID and PID uniquely identify a make of keyboard from a vendor, but I am looking forward to identifying each keyboard separately.

PS : Asking the question on Elex SE, since I would have to implement this USB profile on AVR32.

How do I uniquely identify a USB HID class device?

I would like to identify a USB keyboard uniquely  (something equivalent to the unique MAC address for the Ethernet cards) on a computer. Does the USB HID profile have support for such identification? If so, what is the field called?

I understand that VID and PID uniquely identify a make of keyboard from a vendor, but I am looking forward to identifying each keyboard separately.

I would have to implement this USB profile on AVR32.

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How to uniquely identify USB HID class device?

I would like to identify a USB keyboard uniquely(something equivalent to unique mac-id for the Ethernet cards) on a computer. Does the USB HID profile has a support for such identification ? If so what is the field called ? I understand that VID and PID uniquely identify a make of keyboard from a vendor, but I am looking forward to identifying each keyboard separately.

PS : Asking the question on Elex SE, since I would have to implement this USB profile on AVR32.