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Re: vendor-specific device requests

At 9:14 PM -0500 3/29/05, Brian Jorgage wrote: 
Can anyone tell me where vendor-specific USB device requests are
defined ?


In vendor engineering documentation? They are commands not defined by a spec, but defined by the device vendor.


Also where are composite-class USB device requests defined ?  I see
several device classes defined at usb.org but not composite class.

Chapter 9 of the USB Spec defines device requests that all devices must support. Composite devices do not have any "class-specific" requests.

Regards,

David Ferguson
USB Software Team
Apple Computer
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