Shearwater Predator timezone handling

James Sarrett jsarrett at gmail.com
Thu Oct 3 14:43:59 UTC 2013


On 10/03/2013 12:56 PM, Henrik Brautaset Aronsen wrote:
> Robert C. Helling wrote:
>> On Oct 2, 2013, at 9:05 PM, Dirk Hohndel wrote:
>>
>> Hi,
>>
>>> I have a Predator as well and am in Oregon and don't see this problem -
>>> so I wonder what's going wrong for you. I assume that the Predator shows
>>> the correct time on the display?
>>
>> I spoke to James on IRC. My impression (from briefly looking at the libdivecomputer sources) is that the Predator returns a relative time rather than absolute time upon download. Then it seems, when this is turned into an absolute time it is wrt UTC rather than the local time zone on the host computer. Am I wrong?
>
> I don't know if this is relevant, but still:  My Shearwater Petrel, 
> which has a very similar firmware, does not care about timezones at 
> all.  I've got no problems with it whatsoever.
>
> But I *did* have problems with an earlier Subsurface version back in 
> May [1].  That was solved with an updated version of libdivecomputer.  
> What version do you have, James (run ./subsurface --version)?
>
> Cheers,
> Henrik
>
> [1] http://lists.hohndel.org/pipermail/subsurface/2013-May/006150.html
I'm using subsurface version 3.0.2 from canonical.  When I get back to 
it I'll finish building the latest, and test with that.  It would be 
really nice if it was an already solved bug.

-James
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