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Re: Device type question...



On 10/7/03 8:22 AM, "John Cebasek" <email@hidden> wrote:

> What makes a USB device a HID device vice a Vendor specific device?
> We've got these devices and if I plug one into the back of the
> Macintosh without any software and run up USB Prober, USB Prober
> reports our device as a HID Device.
> 
> It's something in the hardware of the device itself, right?

It's something in the device's firmware, specifically the "Device
Descriptor".    Chapter 9 of the USB spec talks about this, specifically
section 9.6.1.


-- 
Fernando Urbina                            mailto:email@hidden
USB Technology Team                           work: 719.534.9387
Apple Computer, Inc.                           fax: 719.532.0981
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References: 
 >Device type question... (From: John Cebasek <email@hidden>)



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