[wdmaudiodev] Re: wdmaudiodev Digest V1 #128
- From: "Bert Schiettecatte" <bert@xxxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Thu, 25 Nov 2004 01:14:05 +0100
Hi,
> You are misinterpreting this exchange. Windows' behavior
> with multiple
> identical USB devices is well-defined. It might not match your
> intuition, but it does not have "difficulties" dealing with
> them. When
> you plug in two web cameras, you can fire up two copies of AMCAP and
> they both work fine. That's part of our QA process.
>
> Some people expect to be able to pick up one of the two
> cameras and know
> beforehand which AMCAP window will mate up with which camera.
> I'm not
> convinced that's a reasonable expectation.
Well, I believe the user is always right. If you ask your customers,
they
Will tell you the user IS always right. It may very well be that Win XP
Supports two identical devices (because of different serial numbers)
But if it fails to give the user an indication of which device is which,
Then the way it handles things is the wrong way.
So, suppose I would really like to write my own midi driver for a USB
device,
Which are the steps I need to take? I start with a WDM framework but
what next?
Thanks,
Bert
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