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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