Re: [PATCH 1/1] Input: add sensable phantom driver

From: Jiri Slaby
Date: Tue Mar 13 2007 - 12:19:27 EST


Cc: Anssi Hannula <anssi.hannula@xxxxxxxxx>

On 3/7/07, Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> wrote:
On 3/7/07, Jiri Slaby <jirislaby@xxxxxxxxx> wrote:
> Dmitry Torokhov napsal(a):
> > Hi Jiri,
>
> Hi.
>
> > On 3/7/07, Jiri Slaby <jirislaby@xxxxxxxxx> wrote:
> >> add sensable phantom driver
> > ...
> >
> > General question - can this driver use force-feedback mecahnisms
> > already present in kernel instead of exporting raw datastream to
> > userspace. What are shortcomings of kernels force-feedback
> > implemenattion that make it insufficient for phantom?
>
> I didn't even think about it, sorry. Does any problem with rate about 2kHz come
> on your mind before I'll try to rewrite it?

No, not really.

Hmm, after going through input and ff layer, I figured out, that it's
possible to pass only a direction to constant effect. I think, there
is no possibility to pass 3D force (or vector) to the ff layer, isn't
it?

thanks,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/