Shearwater Petrel import has wrong timestamp

[Henrik Brautaset Aronsen]

Dirk Hohndel wrote:
> On Sun, 2013-05-12 at 00:14 +0200, Henrik Brautaset Aronsen wrote:
>> I tried importing a couple of dives from the Petrel today.  Observations:
>>
>> - The imported dives are two hours wrong.  E.g. a dive is at 14:23 on
>> the Petrel, but is imported as 16:23 in Subsurface.  Norway is in CEST
>> (GMT+2) right now, that might have something to do with it.  There are
>> no time zone settings on the Petrel.
>
> That is very odd. Need to try again with mine with the latest code in
> master of both libdivecomputer and Subsurface. This worked perfectly the
> last time I tried it (with PST - GMT-8).

I tried again with a clean Subsurface profile.  Same result.

>> - I get a bluetooth timeout error on the Petrel when it tries to import
>> the two test dives that came with the computer.
>
> Also odd. Which firmware is installed on your Petrel?

The latest, V12.  When I tried again today, the two test dives *did* 
import after all, so it's all good.  But I got the "Bluetooth error: 
Disconnect" regardless.

>> - The Petrel doesn't show up in the device name editor.
> Once the cu device is created it /should/ show up. Can you try that one
> again, please?

Same thing.  Maybe it's got something to do with the BT disconnect?  It 
doesn't show up in the device editor when I reload the XML file either, 
even though the divecomputer ID's are in there.

>> - If I merge the dives from the HelO2 and the Petrel (after correcting
>> the Petrel's timestamp), it doesn't show up as a dive with two
>> divecomputers.  Only the Suunto profile is kept.
> That is totally bogus. This has worked for a very long time (and I have
> lots of dives with three or four divecomputers in my log).
>
> Could you start from an empty file, download from the HelO2 and then
> from the Petrel and verify this? And once you verified it, could you set
> a breakpoint in merge_dives() and figure out what's going wrong?

So, since the Petrel timestamps aren't correct when I download the 
dives, the auto-merging doesn't happen.  What I tried to do was to set 
the correct timestamp for the Petrel, select the two matching dives and 
right-click -> merge.

You can try with the attached divelog.

Henrik


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