if sign == high then ; negative temperatures
assembler
comf t_lsb,f ;complement all two bytes
comf t_msb,f
incf t_lsb,f ;inc. low byte always
skpnz ;skip if no carry to higher bytes
incf t_msb,f ;carry to next byte
end assembler
end if
Maybe you translate this in jal, as word is producing too long code...
Vasile
On Mon, Dec 13, 2010 at 1:57 PM, funlw65(Vasi) <[email protected]> wrote:
> Then, I believe you are right. I will see on Arduino library how they
> do it... if there is not another source...
>
> Vasi.
>
> On Dec 13, 1:51 pm, vasile surducan <[email protected]> wrote:
> > OK, apai nu cred c-o sa mearga...because you didn't computed the two's
> > complement for negative temperature display.
> >
> > Vasile
> >
> > On Mon, Dec 13, 2010 at 1:46 PM, funlw65(Vasi) <[email protected]>
> wrote:
> > > Hi Vasile,
> >
> > > Not tested it yet but I will! do it tomorrow - pentru ca azi mai am de
> > > taiat niste lemne cu drujba :-D
> >
> > > On Dec 13, 9:12 am, vasile surducan <[email protected]> wrote:
> > > > Hi Vasi,
> >
> > > > I'm just curious, this library works Ok with negative temperatures
> too?
> >
> > > > thx,
> > > > Vasile
> >
> > > > On Wed, Aug 18, 2010 at 2:42 PM, vasi vasi <[email protected]>
> wrote:
> > > > > We don't have yet a 1wire library and I needed it for a DS18B20
> > > temperature
> > > > > sensor. But I found one written by Vasile and adapted by Jean
> > > Marchaudon,
> > > > > included in Bert van Dam package. Is there a reason why not
> including
> > > it in
> > > > > Jallib? For a DS18B20 library, I did one (not really necessarily)
> > > looking at
> > > > > And-Tech.pl samples for their EvB 4.3 board and at Bert library,
> > > > > ds1822_1_wire.jal. Now, I have working examples [?] but lots of
> > > warnings.
> > > > > Here is also a "disabled" sensor config.range and resolution
> function ,
> > > not
> > > > > tested - needs advices from experts. All functions which start
> with
> > > "s_"
> > > > > are for a unique device on bus - others require the ID for access a
> > > sensor
> > > > > on multiple sensors on bus.
> > > > > First example (thermometer.jal and an image included) is reading a
> > > unique
> > > > > device on 1wire bus and the second is reading the device on a
> multi.
> > > sensor
> > > > > bus, using the ID discovered in first example.
> > > > > Maybe is useful in taking some decisions about this (new and
> general
> > > > > libraries, samples, etc...)
> > > > > --
> > > > > Vasi
> >
> > > > > --
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> >
> > > <jallib%[email protected]<jallib%[email protected]>
> <jallib%[email protected]<jallib%[email protected]>
> >
> >
> > > > > .
> > > > > For more options, visit this group at
> > > > >http://groups.google.com/group/jallib?hl=en.
> >
> > > > 330.png
> > > > < 1KViewDownload
> >
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