Re: [driver] New life for Serial mice

[John R Lenton <john@grulic.org.ar>]

[-- Attachment #1: Type: text/plain, Size: 1855 bytes --]


sorry I'm late, could you tell me where this driver/patch is?

also, my problem with USB mice on slow machines is that it takes
up too much CPU, and you get a jumpy mouse if your box is doing a
lot of work (like a heavy nfs server, say). Would this driver do
the same to that box?


On Fri, Jun 08, 2001 at 06:15:21PM +0200, Vojtech Pavlik wrote:
> On Wed, Jun 06, 2001 at 11:21:34PM +0000, Pavel Machek wrote:
> 
> > > If you still have your 3-button MouseSystems (or any other serial) mouse
> > > somewhere in your driver, forgotten becase of the incredibly slow update
> > > rate causing so much jumping of the pointer on the screen that it is
> > > unusable, you may want to pull it out and give it a try.
> > > 
> > > Or if you're still using it with some old 486 computer, this driver is
> > > for you. 
> > > 
> > > What it does is that it enhances the update rate from 24 (with current
> > > GPM and X drivers) to 96. This is almost what the best USB mice do.
> > 
> > What's the "prediction" stuff? Does it mean you are guessing some values
> > by interpolation?
> 
> Extrapolation, yes.
> 
> > [If so, what kind of update rate would it do on USB?]
> 
> It wouldn't make any difference - on USB you always get whole packets,
> while over serial port the data is processed byte by byte and thus we
> know a little of the information before the whole packet arrives.
> 
> -- 
> Vojtech Pavlik
> SuSE Labs
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
> 

-- 
John Lenton (john@grulic.org.ar) -- Random fortune:
Hear about...
	the nymphomaniac teenager popularly known as Little Often Annie?

[-- Attachment #2: Type: application/pgp-signature, Size: 232 bytes --]