rec.autos.simulators

GP3 Steering Problem

Magnus Lundi

GP3 Steering Problem

by Magnus Lundi » Mon, 13 Aug 2001 22:34:13

I have problems with my steering in Gp3. Have tried different steering
wheels and i allways get sudden (unwanted) movements witch makes driving
really difficult. I happens one or two times a lap approximately. It make
the car jump to either side.

I doesnt seems to matter how much graphics i turn on/off or on the
framerate.

Anoyone got any clue to this.

/Magnus

Kulvinder Singh Mathar

GP3 Steering Problem

by Kulvinder Singh Mathar » Tue, 14 Aug 2001 00:16:33



If you've got Polling turned on in the Joystick app (See Windows
Control Panel) then turn it off. It worked for me.

--
Kulvinder Singh Matharu

Website: http://www.matharu.demon.co.uk/

"The Code Red hype Hall of Shame"
http://www.theregister.co.uk/content/55/20908.html

Dave Henri

GP3 Steering Problem

by Dave Henri » Tue, 14 Aug 2001 00:54:36

  nope!  sorry.  Just to pin down a few details for others who can hopefully
help out....
  does the sudden movement happen in the same place each time?  Does it
occur at all the tracks?  Force Feedback I'm assuming...What is your main
wheel make?
and finally to cover all the bases...have you installed the official patch,
and any 3rd party patches?
good luck
dave henrie

Thom j

GP3 Steering Problem

by Thom j » Tue, 14 Aug 2001 03:41:36

Kulvinder Or Anyone,
Quick comment/question. My polling has always been on via my
Guillemot usb j/s & wheel. I have never had any problems. What
is the polling suppuse to do? It may sound dumb but I just never
paid any attention to it?.. Tia.. -Thom_j.

| If you've got Polling turned on in the Joystick app (See Windows
| Control Panel) then turn it off. It worked for me.
| --
| Kulvinder Singh Matharu

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MAD MA

GP3 Steering Problem

by MAD MA » Tue, 14 Aug 2001 06:10:16

Hi,
Can't be certain what's wrong but, you did mention trying several different
wheels. Surely then it has nothing to do with the wheels themselves, and
more to do with either GP3 or whatever your wheel is connected to?
(Soundcard or USB). I have a Guillemot TM Ferrari FF wheel, and I have no
problems with GP3, and I do use FF with it. I connect my wheel via the USB
port. In fact, this wheel works beautifully with GP3 and all other driving
games I own, SCGT, GPL (and tons more!). Hope someone can figure it out for
you.

Regards,

Mad Max :O)


Kulvinder Singh Mathar

GP3 Steering Problem

by Kulvinder Singh Mathar » Tue, 14 Aug 2001 07:42:56



You know, I'm not sure what that polling thing is for. But I do know
that when I deselected it that I no longer had the steering suddenly
jerking now and again. It was such a relieve getting rid of it...I
suffered from it for a long time not realising how easy it was to
cure.

Perhaps it only happens for certain hardware combinations?

--
Kulvinder Singh Matharu

Website: http://www.matharu.demon.co.uk/

"The Code Red hype Hall of Shame"
http://www.theregister.co.uk/content/55/20908.html

Thom j

GP3 Steering Problem

by Thom j » Tue, 14 Aug 2001 11:04:54

Fair enuff Kulvinder.. Anyone else care to explain about
my query below? Tia.. -Thom_j.

| You know, I'm not sure what that polling thing is for. But I do know
| that when I deselected it that I no longer had the steering suddenly
| jerking now and again. It was such a relieve getting rid of it...I
| suffered from it for a long time not realising how easy it was to
| cure.
|
| Perhaps it only happens for certain hardware combinations?
|
| --
| Kulvinder Singh Matharu

|
| >Kulvinder Or Anyone,
| >Quick comment/question. My polling has always been on via my
| >Guillemot usb j/s & wheel. I have never had any problems. What
| >is the polling suppuse to do? It may sound dumb but I just never
| >paid any attention to it?.. Tia.. -Thom_j.
|

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Gunnar Horrigm

GP3 Steering Problem

by Gunnar Horrigm » Tue, 14 Aug 2001 12:06:11


> I have problems with my steering in Gp3. Have tried different steering
> wheels and i allways get sudden (unwanted) movements witch makes driving
> really difficult. I happens one or two times a lap approximately. It make
> the car jump to either side.

that happens with me too, but it's never ocurred during braking or
turning, so I never really needed to look further into it.

still, you're not alone.

not me.

--
Gunnar
    #31 SUCKS#015 Tupperware MC#002 DoD#0x1B DoDRT#003 DoD:CT#4,8 Kibo: 2
                    to err is human -- to forgive is bovine.

Tony Whitle

GP3 Steering Problem

by Tony Whitle » Tue, 14 Aug 2001 15:24:42

It's "Poll with interrupts enabled" which means that interrupts (e.g. the
timer) are allowed while the joystick device driver is checking (polling)
the joystick input. I don't know exactly what this does on a modern PC (the
original game cards used to work out the input voltage by timing how long a
capacitor took to discharge, so throwing in a few hundred extra cycles would
cause havoc) but an occasional lump of processing in the middle of
calculating the joystick position presumably still messes things up.

Thanks for the tip, Kulvinder, I have just started playing GP3 again and was
having the same problem, the car weaving madly at speed.

OK, next question. Why would you want interrupts enabled while polling?

--

Tony Whitley
GPLRank -0.54
MonsterRank 407 and falling...
"On some laps I'd get as many as fif*** corners really right, but Moss, he
gets them all right on every lap" - Von Trips after the 1961 German Grand
Prix.


> | If you've got Polling turned on in the Joystick app (See Windows
> | Control Panel) then turn it off. It worked for me.
> | --
> | Kulvinder Singh Matharu

Dave Henri

GP3 Steering Problem

by Dave Henri » Tue, 14 Aug 2001 22:15:07

"Tony Whitley

  Wasn't the 'reason' for the poll with interupts was because joysticks were
soooo crappy and windows joystick code was soooo bad that you couldn't
maintain calibration and control?  It was a stop-gap fix that has been left
in afaik
dave henrie

Thom j

GP3 Steering Problem

by Thom j » Wed, 15 Aug 2001 04:56:12

Thanx for the info Tony and yes: "Why would you want interrupts
enabled while polling?" btw: mine is, I run usb & it works just fine.
odd...eh?... :)

|
| It's "Poll with interrupts enabled" which means that interrupts (e.g. the
| timer) are allowed while the joystick device driver is checking (polling)
| the joystick input. I don't know exactly what this does on a modern PC
(the
| original game cards used to work out the input voltage by timing how long
a
| capacitor took to discharge, so throwing in a few hundred extra cycles
would
| cause havoc) but an occasional lump of processing in the middle of
| calculating the joystick position presumably still messes things up.
|
| Thanks for the tip, Kulvinder, I have just started playing GP3 again and
was
| having the same problem, the car weaving madly at speed.
|
| OK, next question. Why would you want interrupts enabled while polling?
|
| --
|
| Tony Whitley
| GPLRank -0.54
| MonsterRank 407 and falling...
| "On some laps I'd get as many as fif*** corners really right, but Moss,
he
| gets them all right on every lap" - Von Trips after the 1961 German Grand
| Prix.
|

| > Kulvinder Or Anyone,
| > Quick comment/question. My polling has always been on via my
| > Guillemot usb j/s & wheel. I have never had any problems. What
| > is the polling suppuse to do? It may sound dumb but I just never
| > paid any attention to it?.. Tia.. -Thom_j.

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Tony Whitle

GP3 Steering Problem

by Tony Whitle » Thu, 16 Aug 2001 07:02:33

Very. I have a USB LWFF and it had the problem. Explain that!

--

Tony Whitley
GPLRank -0.54
MonsterRank 407 and falling...
"On some laps I'd get as many as fif*** corners really right, but Moss, he
gets them all right on every lap" - Von Trips after the 1961 German Grand
Prix.

Thom j

GP3 Steering Problem

by Thom j » Thu, 16 Aug 2001 20:25:18

I cant cuz I dont have a clue what the "poll interupt" really does
in detail but I get the basic idea, I think?..lol

| Very. I have a USB LWFF and it had the problem. Explain that!
|
| --
|
| Tony Whitley
| GPLRank -0.54
| MonsterRank 407 and falling...
| "On some laps I'd get as many as fif*** corners really right, but Moss,
he
| gets them all right on every lap" - Von Trips after the 1961 German Grand
| Prix.

| > Thanx for the info Tony and yes: "Why would you want interrupts
| > enabled while polling?" btw: mine is, I run usb & it works just fine.
| > odd...eh?... :)

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mjessick-Motorsim

GP3 Steering Problem

by mjessick-Motorsim » Fri, 17 Aug 2001 00:50:49


> OK, next question. Why would you want interrupts enabled while polling?

There is an extra potential interaction between the joystick,
this setting, and playing online. (So try it online an off.
If you get undesireable network behavior, you may have to adjust
it again.)
--
Matthew V. Jessick         Motorsims

Vehicle Dynamics Engineer  (972)910-8866 Ext.125, Fax: (972)910-8216

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