Re: Joystick control ?

["Steve Carlisle" <quatsein-at-island.net>]

There ia also a keyboard hack on Tim Goldstiens page
that may be applicable.

Steve

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> From: Brian Pitt <bfp-at-earthlink.net>
> To: Multiple recipients of list <emc-at-nist.gov>
> Subject: Re: Joystick control ?
> Date: Sunday, April 15, 2001 3:13 PM
> 
> 
> 
> Hi Henry,
> 
> the game port is not used in EMC at this time (afaik)
> I think there was some early work done using the joystick but
> it didnt work out too well
> 
> I've done a little work using the joystick button inputs to read
> encoders ,it just needs to be shoehorned into the code somewhere
> see (still needs some content in places)
> http://www.mindspring.com/~pitt/ (under game port hacks)
> the encoder handweel could use one of these (if you can find one)
> Grayhill.com (under products ,encoders,Optical, High Resolution)
> part #s 61k25 (or 61R , 63K,63R)
> with a detented knob for tactile feedback
> 
> the code for the selector knob can be expanded for a 4 bit Gray code
> switch to use as a feed or speed override (16 positions, 0-150%)
> 
> also some game port cards can be modified to all digital input
> by removing the timer chip and jumpering a few traces 
> 
> I've also been looking into the MIDI port on most PC sound cards
> its an opto isolated serial port with its own command set and there are 
> many projects for using it with a PIC microcontroler for all sorts of I/O
> check
> http://www.borg.com/~jglatt/hardware/key.htm
> http://www.audiomulch.com/midipic/
> or Circuit Cellar oct-nov 98 for a MIDI output triac controler  
> (pwm analog or digital ,14 outputs)
> 
> Brian
> 
> 
> 
> 
> 
> 
> 
> On Sunday 15 April 2001 13:30, you wrote:
> > I remember that a while ago there was some speak about joystick
> > control of EMC. Is this implemented, and if it is, how does it work ?
> > Can I just use normal joystick port with potentiometers, or should I
> > do something special ? What GUi does support it ?
> >
> > Regards,
> >
> > Henry Palonen
> > h-at-nospam.yty.net