[sdiy] More AD1866 DAC ?'s

[William Berzinskas]

Lol.. even worse..  pic basic right now..

before u all laugh,
I can code the ASM if i wanted.. But the deployment time is so fast, and the
builtin bootloader helps speed things along..   Great for testing and really
simple apps..

blah - is it friday yet?

----- Original Message ----- 
From: "Fredrik Carlqvist" <ifrc at iar.se>
To: "'William Berzinskas'" <WBERZINSKAS at nc.rr.com>; <jays at aracnet.com>;
<synth-diy at dropmix.xs4all.nl>
Sent: Thursday, December 02, 2004 3:59 AM
Subject: RE: [sdiy] More AD1866 DAC ?'s


>
> Use unsigned int. Are you programming in C?
>
> Fredrik C
>
>
> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl
> [mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of William Berzinskas
> Sent: Wednesday, December 01, 2004 22:51
> To: jays at aracnet.com; synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] More AD1866 DAC ?'s
>
> so, how would i represent that -# in my program?
> ----- Original Message ----- 
> From: <jays at aracnet.com>
> To: <synth-diy at dropmix.xs4all.nl>
> Sent: Wednesday, December 01, 2004 4:29 PM
> Subject: Re: [sdiy] More AD1866 DAC ?'s
>
>
> > It's a 16 bit DAC and you're dealling with 2's complement numbers. So
your
> numbers go from -32768 to +32767.
> >
> > Jay S.
> >
> >
> > William Berzinskas <WBERZINSKAS at nc.rr.com> wrote :
> >
> > > Hey everyone..
> > >  
> > > I've got this going for the most part..  i'm
> > > running my ad1866 off of my pic..  and generating some signal,
and
> all is
> > > good..
> > >  
> > > ALMOST...
> > > When i send values over ~35000, it actually starts
> > > coming back down again..   for instance,  if i make a
> triangle
> > > wave (just counting up and back), it comes out great if i use 30000 as
> the high
> > > side..  then if i change it to 60000, the nice pointy triangle
> looks more
> > > like the letter M..  
> > >  
> > > HELP!  :-)
> >
> >
>