On Tue, Nov 30, 2004 at 02:03:00PM +0100, David Chovanec wrote: > > I am pretty new to driver development. I need to write a driver for > USB MIDI device. I read the DDK docs but it seems so that I am lost in > all the models and and restrictions. There is a nice WDM USB sample in > the DDK but what to do as next? How to create the MIDI ports and read > write data to them? If you make your MIDI device compliant with the USB audio class spec, you don't need a driver at all. The stock USBAUDIO.SYS will handle it for you. Audio drivers are onerous enough that there is almost no incentive to do things any different. -- - Tim Roberts, timr@xxxxxxxxx Providenza & Boeklheide, Inc. ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.de/