Question about diving computer and divinglog 6.0

3rd party extensions (phpDivingLog, dive computer downloader,...)
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remyvandemortel
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Question about diving computer and divinglog 6.0

Post by remyvandemortel » Thu Aug 09, 2018 12:04

another question i have is about my dive computer.

I have recently bought the Mares Smart Air and did a couple of dives in egypt with it the last holiday.

Now i want to connect my dive computer with the program but it can't read the dives. Is there a way to get the dives out of my dive computer into the program? or is the Mares Smart air just not supported at this time? i know the normal Smart is supported.

THNX for your answers!

gr.

Remy

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Re: Question about diving computer and divinglog 6.0

Post by divinglog » Thu Aug 09, 2018 12:23

I think the Smart Air has not been tested yet, but I have to check the latest libdivecomputer version. In the meantime you can download the dives with Mares Dive Organizer and import the dives from there into Diving Log. You can send me the Dive Organizer logbook file and I'll ensure the data imports correctly for this model.

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Re: Question about diving computer and divinglog 6.0

Post by TnT » Thu Aug 09, 2018 13:02

No, the Mares Smart Air is not supported yet. To add support for it, you'll need to send me a memory dump of your dive computer. The procedure is explained here: http://www.divinglog.de/blog/?page_id=1879
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remyvandemortel
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Re: Question about diving computer and divinglog 6.0

Post by remyvandemortel » Fri Aug 10, 2018 22:48

hello thnx for the answers

The problem is that even using the mares software, that their own software states that the device is not supported.

I opened a ticket at their website one week ago but still don't have an answer from Mares. Isaid to them that i think it's strange that the dive computer isn't supported by their own software. That while in the manual it says that it is.

so still waiting for their reaction.

THNX for the answers

gr.

Remy

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Re: Question about diving computer and divinglog 6.0

Post by remyvandemortel » Fri Aug 10, 2018 23:12

hereby the zip file and the error file.

I set the downloader on Mares as a brand and Smart as a model. but as said before i have the smart AIR.

Also on the mares software it says not that the smart AIR is supported.

Hope you can do something with the zip file and error log.

THNX

gr.
Remy
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error file.txt
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Downloader.zip
(58.38 KiB) Downloaded 8 times

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Re: Question about diving computer and divinglog 6.0

Post by TnT » Mon Aug 13, 2018 09:44

Thanks for the data! I think I have figured out how the data is stored.

I already have a build available for testing. Download the updated libdivecomputer dll. Close divinglog and copy the dll into the divinglog installation directory (backup the existing dll). Start divinglog and try to download your dives (*). The Mares Smart Air should be listed now. When the download is finished, carefully inspect all your dives for possible errors, and report back.

(*) Errors are still possible at this stage. To avoid messing up your actual logbook, I recommend creating a new temporary logbook for this test. If everything turns out alright, then you can always download again to your real logbook.
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Re: Question about diving computer and divinglog 6.0

Post by remyvandemortel » Mon Aug 13, 2018 13:55

Hello TnT.

I made a new logbook and connected the dive computer. It works great and it downloaded the data from the diving computer.

But i've noticed something about the diving time and the pressure in the tank.
I made 7 dives and downloaded these into diving log. Underneath is what diving log read and what is stored in my computer.
Dive nr: Divetime Divinglog 6.0 Divetime computer Start-end pressure DL6.0 Start-end pressure Computer
1 71 min 68 min 203-61 bar 202-60 bar
2 67 min 63 min 196-64 bar 195-63 bar
3 61 min 58 min same as diving computer
4 66 min 63 min same as diving computer
5 57 min 53 min 204-55 bar 204-54 bar
6 64 min 60 min 206-44 bar 205-43 bar
7 59 min 55 min 203-29 bar 202-28 bar

So there is a little difference in diving time each time. that the pressure isn't exactly right that is not a problem. But i also keep an diving log on paper because i write everything down after the dive on paper log. and than the times don't compare is i use the times from the diving watch in the paper log and the downloaded time in the digital log.

Also i was wondering where it get it's temperature from because on the watch the temperature is shown as whole numbers without a digit. (that also isn't a big problem but i was just wondering.

And another question, when does it count as a repetetive dive? cause i had about 20 hours between one dive and the next and it says that it is a second dive.

THNX

Super THNX for already get this ready this far so i can read out the diving computer. (this is even more as what i can do with the mares software hahaha).

Greetings

Remy van de Mortel

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Re: Question about diving computer and divinglog 6.0

Post by TnT » Tue Aug 14, 2018 06:01

Small differences in the pressure and temperature are most likely caused by rounding. These values are recorded by your dive computer with a units of respectively 0.01bar and 0.1°C. If the application (or the dive computer) doesn't show the digits, then a small difference is expected depending on how the value is rounded. For example 10.5 can end up as 10 or 11.

The difference in the dive time is something different, but also not entirely unusual. Typically dive computers detect the end of a dive, when you are a certain amount of time near the surface (typically the depth threshold is around 1m). But during this time, the dive computer keeps recording in case you go down again and continue your dive. So the dive time is always a bit shorter than elapsed time. Some dive computers will exclude the shallow parts of the dive from the reported divetime, and others will not.

Libdivecomputer simply reports the value that is stored in the data as the dive time. I don't know which value the dive computer displays. It might be that it takes into account excludes the shallow part. Normally, I would suggest to compare with the value displayed by the Mares software. I expect this will be the same value as shown by libdivecomputer/divinglog. But if the Smart Air is not supported yet, that's not possible yet.
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