[wdmaudiodev] Re: MIDI hardware driver on XP

  • From: Greg X <greg1x@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Tue, 1 Oct 2002 08:59:10 -0700 (PDT)


Thank you for the reply.

> throw out the parts you don't need (audio)

This is where I really need help. I can talk to the
LPT port, but I don't know how to throw out all of the
stuff dealing with audio streaming, buffering, etc..
I simply need to get a MIDI message and no more fancy

Can anybody send me a very simplified version of a DDK
example which could be a good starting point for a
beginner (that's me ;) ?


> You'll need to present a proper DirectMusic (or at
> least MIDI) port to 
> the OS. Probably your best bet is to take one of the
> MIDI/audio driver 
> samples from the XP DDK (src/wdm/audio/???), throw
> out the parts you 
> don't need (audio), and manually register the driver
> (because there's no 
> actual hardware). If you use the msvad virtual
> driver, it probably 
> already does this because it's virtual.
> I think there's actually a kernel api of some kind
> ot talk to the 
> parallel ports. Maybe somebody else can help you
> there.
> As many people will no doubt tell you, it's actually
> pretty easy but the 
> documentation can lead you astray.
> Luck,
> tom
> -- 
> Tom Surace                              
> <tekhedd@xxxxxxxxxxxxxx>
> BYTE HEAVEN                         
> <http://www.byteheaven.com/>

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