[Coco] The New Hires Interface

Luis Fernández luis46coco at hotmail.com
Tue Oct 13 17:09:55 EDT 2015


An optimization has already reading the joysticks is to place a voltage and comparing the two axes at once, do not know if this obtimizacion already in your code in the HI -RES Joysticks routine.
Or even more, read the four axes simultaneously.

> From: luis46coco at hotmail.com
> To: coco at maltedmedia.com
> Date: Tue, 13 Oct 2015 16:20:28 -0400
> Subject: Re: [Coco] The New Hires Interface
> 
> True 15 bits = 32000 points, my mistake
> Anyway, Moving from 64 to 320 points or more is a great accomplishmentCongratulations and forth
> 
> > Date: Tue, 13 Oct 2015 16:02:05 -0400
> > From: sockmaster at gmail.com
> > To: coco at maltedmedia.com
> > Subject: Re: [Coco] The New Hires Interface
> > 
> > That would be about 32000 points, but the extended scanning is not
> > linear and not continuous between two normal DAC points, so extra
> > precision is used to mathematically try to map the reading to it's
> > actual position.  Then that result is scaled down to a useful range.
> > 
> > So it's not going to get single point readings (16384, 16385,
> > 16486...etc...) at 15 bits.  Different ranges might skip by smallish
> > jumps, others by larger jumps.   It can detect higher precision in
> > some areas but only lower in others..  Overall, it works well when
> > scaled down to 320 coordinates.  It wouldn't work as well at 1024 or
> > greater output.
> > 
> > 
> > On 10/13/15, Luis Fernández <luis46coco at hotmail.com> wrote:
> > > Very interesting, I read complete
> > > One thing surprised me, get 15 bits would be 64000 ?, these positions?
> > > wonderfully excessive
> > > I thought that with 8-bit or 9 bit serious enough pra the resolution of
> > > coco3
> > > Anyway, congratulations on the great achievement
> > >
> > >> From: zippster278 at gmail.com
> > >> Date: Tue, 13 Oct 2015 13:40:00 -0500
> > >> To: coco at maltedmedia.com
> > >> Subject: Re: [Coco] The New Hires Interface
> > >>
> > >> Wow, that’s great!  And all in software!
> > >>
> > >> - Ed
> > >>
> > >>
> > >> > On Oct 13, 2015, at 1:23 PM, Nick Marentes <nickma at optusnet.com.au>
> > >> > wrote:
> > >> >
> > >> > John Kowalski and I have been busy working on the new Hi-Res Interface.
> > >> >
> > >> > You can read all about it here:
> > >> >
> > >> > http://www.members.optusnet.com.au/nickma/ProjectArchive/hires.html
> > >> >
> > >> >
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> > http://users.aei.ca/twilight/sock
> > 
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