[haiku-development] Re: (USB MIDI) Device hierarchy
- From: "Sean Collins" <smc.collins@xxxxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Fri, 11 Feb 2011 21:51:31 +0000
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
>
> >
> > This issue has been a common one for other devices as well, e.g.
> > webcams
> > with a microphone, having both usb_audio and usb_video use it. The
> > best
> > solution for this I have been able to come up with is using the new
> > driver model, where drivers register against usb interfaces instead
> > of
> > the whole device.
> >
> > It is possible to get it to work with the current usb
> > stack/architecture, but it is fairly tricky to get right IIRC...
> >
> > Ithamar.
> >
> >
> >
> Actually I found some new and interesting information today about
> this USB midi device. Looking into it with usblyzer it shows that the
> keyboard also has a usb midi and a USB Keyboard " qwerty"
> implementation on the same bus. the suspcions about the second
> protocal
> were in fact true.
>
> I am attaching a download link to the file xml files with the
> data.
> It didn't format well buts its fialr self explanatory.
>
> remove the .zip exstension from the end of the file.
>
> Sean
>
sorry forgot the attachment.
Sean
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