Thank you. I had overlooked that masking bit. Will be included in p8
Paul
On Fri, Oct 17, 2014 at 1:30 AM, Vincent Danjean <vdanjean.p...@free.fr>
wrote:
> I forgot to add my personal repo to test new packages in the
> previous mail
>
> On 17/10/2014 07:21, Vincent Danjean wrote:
> > Hi
> >
> > On 17/10/2014 00:05, Mario Gruenwald wrote:
> >> Hi
> >>
> >> I tried reportbug and reportbug-ng, but it was too difficult for me.
> >> Therefore i write an simple Email.
> >>
> >> I have an USB-1wire-Adapter and some DS18S20 temprature sensors. After
> my
> >> last upgrade of ow-shell from 2.8p15-1 to 2.9p5-1.1 my temperature
> graphs had
> >> steps. You can see the effect in a graph at:
> >> http://blaeser.vc-graz.ac.at/1wire.png
> >> After downgrade the problem disappeared. You can see it at
> >> http://blaeser.vc-graz.ac.at/ow-shell-bug.png
> >> starting from 19:00.
> >>
> >> I guess it is the same problem as here:
> >> http://developer.mbed.org/users/snatch59/notebook/onewirecrc/
> >> citation begin -----
> >> I have an DS1820 and my values looked quite the same.
> >>
> >> I think the problem is with the calculation of the enhanced 9bit
> calculation
> >> in DS18S20::calculateTemperature(BYTE* data)
> >
> > Indeed, it seems similar to effects describe in comments.
> >
> >> The manual of my DS1820 says:
> >>
> >> "After reading the scratchpad, the TEMP_READ value is obtained by
> truncating
> >> the 0.5C bit (bit 0) from the temperature data..."
> >>
> >> This truncation was missing in the code.
> >>
> >> I extended like this - which can be done better, I'm sure :-) :
> >> citation end -----
> >>
> >> It would be cool, if you can fix the current package for jessie or
> guide me,
> >> where and how to report the problem.
> >
> > I just uploaded yesterday the last version (2.9p7). It is on my personnal
> > repo (see my signature) or in the NEW/BYHAND QUEUE (new library
> packages).
> > Please look if these new packages fix your problem. Else, I'm putting
> > owfs developers in copy so that they can try to fix this bug.
> >
> > Regards,
> > Vincent
> >
> >> kindly regards
> >> Mario
> >>
> >
>
> --
> Vincent Danjean GPG key ID 0xD17897FA vdanj...@debian.org
> GPG key fingerprint: 621E 3509 654D D77C 43F5 CA4A F6AE F2AF D178 97FA
> Unofficial pkgs: http://moais.imag.fr/membres/vincent.danjean/deb.html
> APT repo: deb http://people.debian.org/~vdanjean/debian unstable main
>
>
>
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