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From: nas on 14 May 2008 08:42
Hi,

I am new to driver development. i have to write a driver to USB
device. I read that UMDF is not supported for isochronous devices. but
how do i check that my device is isochronous devices? is there any way
to know this?

From: Doron Holan [MSFT] on 14 May 2008 12:56
look at the endpoints in the config descriptor. if there are isoch
endpoints, you have an isoch device. typically an isoch device will be
multi interface, or at least one interface with multiple settings which
allow you to throttle bus bandwidth usage.
d

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"nas" <nasbtv(a)gmail.com> wrote in message
news:950a4f6b-f3c4-49a2-9ae8-77e1280e7391(a)z24g2000prf.googlegroups.com...
> Hi,
>
> I am new to driver development. i have to write a driver to USB
> device. I read that UMDF is not supported for isochronous devices. but
> how do i check that my device is isochronous devices? is there any way
> to know this?
>

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