I have talked to them, and they have been very helpful; they have
information on how to communicate directly with the powermate if I were to
write my own driver, and they informed me that they have used the knob
successfully with HID on windows, which is promising. However, they have
not tried to access it using HID on the mac, so they couldn't provide any
information about what I describe here. Of course, I'd like to use HID if
it all possible rather than write my own driver...
Thanks!
-jesse
On Thu, 15 Jan 2004, David Niemeijer wrote:
> At 1:30 -0500 15/1/04, email@hidden wrote:
> >I had no trouble getting data from "original" the powermate usb knob using
> >HID, but I can't seem to figure out how to use the newer versions (there
> >has been a firmware change). I can get the press data fine, but the
> >rotate data, which comes as relative offsets just like from a mouse, seems
> >to behave strangely. (I tested the knob with the provided driver and it
> >works fine there, so the knob itself is ok). I'm also told that it
> >behaves correctly through HID on windows machines.
>
> Have you tried contacting Griffin directly? I believe they have some
> special developer docs.
>
> david.
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