Deepblu Cosmiq+ download and sync

[Brad Ahlf]

Q: Has anyone got Subsurface to download from a Deepblu Cosmiq+ dive computer?

If so, how?

We have 3 of these Dive Computers in our family, and with Deepblu apparently out of the business of supporting these devices, we would like to be able to <somehow> sync and download all the logs from the device now, and in the future too, using Subsurface.

I switched the Deepblu Cosmiq+ dive computer into the transfer screen #6 with the 1:30 countdown for sync and transfer of logs, and tried using Subsurface (MacBook Pro with Bluetooth enabled) in the various bluetooth methods, but no luck.

Thanks for any help or guidance.

[Linus Torvalds]

On Sun, 18 Feb 2024 at 13:56, Brad Ahlf <brad...@gmail.com> wrote:
>
> Q: Has anyone got Subsurface to download from a Deepblu Cosmiq+ dive computer?
>
> If so, how?

Hmm. It _used_ to "JustWork(tm)".

I have an old Cosmiq still lying around, let me charge it and test.

Of course, there may have been lots of firmware updates since I did
the work, so maybe that would account for problems. And they aren't
hugely common, so maybe libdivecomputer support has bitrotted too.

At least originally this was one of the simpler dive computers to
support, using the very standard Nordic nRF serial emulation over BLE,
and a plain text interface (well, hex encoded, but still).

It may be that the DeepBlu people decided that they don't want to have
subsurface doing downloading (since they seemed to aim for some kind
of "social network for divers") and maybe they changed the protocol.

I'll be able to test my old one - that I never did any firmware
updates to - in a bit when it has charged. It won't help if DeepBlu
ended up changing the protocol, of course.

Can you pair with the device and see it on your Macbook? Please enable
the libdivecomputer logfile output and try to download and send the
logs to the group. Maybe that tells me something.

Linus

[Gachoud Philippe]

Mine died a few months ago, but was working well, not sure if I had to struggle a bit before it could be paired well on desktop though. Did you try with the mobile app @brad?

[Gachoud Philippe]

BTW mine died because it couldnt sync anymore, even with the own cosmiq app it was throwing zeros... so tried to reset it, opened it to pull the battery off and screwed up in reassembly and broke the display :( that's for the long story :) ended up with a peregrine

[Linus Torvalds]

On Tue, 20 Feb 2024 at 13:06, Linus Torvalds
<torv...@linuxfoundation.org> wrote:
>
> I'll be able to test my old one - that I never did any firmware
> updates to - in a bit when it has charged. It won't help if DeepBlu
> ended up changing the protocol, of course.

My old one still works for me. I have never done any diving with it,
but I have a 4-minute test dive that I did in a test chamber, and it
downloaded successfully.

So subsurface should be able to deal with it, and the issue might be
either some communication issue (lack of pairing with it on your
computer) or firmware update where DeepBlu changed the protocol before
going out of business.

Linus

[Brad Ahlf]

Thank you Linus for the suggestion that the problem could be a communication issue.  Thank you Gachoud for the suggestion to try the mobile app.  You were both right.  :)

I was able to get both an iPad and an iPhone to sync and download logs from my Deepblu Cosmiq+ dive computer to the Subsurface mobile app and cloud storage.  And then I was able to use Subsurface app on my Mac to connect to cloud storage and view and edit the Dive List too.  BTW, I think I am using the latest firmware for Deepblu Cosmiq+ and I think it is v2.2.

I initially avoided using a mobile app and instead used the Mac app - due to a warning in the manual that not all dive computers are supported in the mobile app.  Ironically, I was not able to get the MacBook Pro bluetooth to sync or download from the Deepblu Cosmiq+ dive computer.  I was unable to see or pair the dive computer in any bluetooth display on Mac, iPhone, or iPad.

I grabbed all my old dive logs successfully, and I think we will also be fine using our Deepblu Cosmiq+ in the future with Subsurface mobile app as well.  I don't see a need to purchase new dive computers at this time since this combination seems to work well.

Thank you both once again!

Brad

[Wahyu Sugar]

can you help me? I wanted to connect Deepblu Cosmiq+ to a Surface device on Windows, but suddenly the mode button couldn't be changed. so you can only press the ajust and plan buttons

[Bart Bouse]

First, it should be pointed out the Deepblu is no longer in business.  As such, the Deepblu app and log within do not work.  I recently discussed these issues over on Scubaboard.  If you were lucky enough to have the Deepblu app on your iphone already, you can use the app to change modes on the Cosmiq if you first skip the login.  Otherwise,  the app is no longer available on the Apple store.  However, the app is apparently still available for Android.  But, I attempted to download it to a Chromebook and could not get the Chromebook to connect once downloaded.  Others with an Android tablet or phone have reported that they have the app or can download it and get to the mode changing portion of the app.  

The next issue is Subsurface which is now the only and exclusive way to download logs from the Cosmiq.  I have the Subsurface iphone app and have succesfully downloaded the logs from the Cosmiq with it.  It's a little confusing but it works.  What does all this really mean?  Well, as I stated on Scubaboard, you'll be lucky if you can use your Cosmiq until your next iphone change ( at which time you'll lose the app if you now have it downloaded) or until and unless Android quits offering the app.  Either way, this is not a long term solution but maybe you'll get a year or two out of it.  Besides, we were always talking about a rechargeable battery in the Cosmiq so when you bought it you knew or should have known that 3 to 5 years was the life expectancy of the device.  This is why we all have to be careful what we wish for in rechargeable devices.  They are simply not long term purchases and may not be good investments in some sense.  This is why I have battery operated or solar powered dive computers now that theoretically could last ten or more years.  I cringe at the cost of a Garmin Descent for $1,200 and up knowing that in less than five years it's done in terms of technology and support.  I know as I have owned numerous Garmin watches and none with rechargeable batteries last past 5 years.  I had success in getting Garmin to upgrade for a reduced amount on one but still, buyer beware with rechargeable dive computers and especially from small companies like Cosmiq.   Good luch with your Cosmiq and you can't ethically unload it on ebay, though some are trying, as it is now completely unsupported and will be worthless very soon.

[Young Jun Kim]

I tried with my laptop but failed. Then I downloaded the app for android and finally succeded. But sadly my cosmiq died and recorded 642m depth anyway. Try it.

2024년 2월 19일 월요일 오전 6시 56분 22초 UTC+9에 Brad Ahlf님이 작성:

[Bart Bouse]

See this thread on Scubaboard which may help with still using the Deepblu Cosmic

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[Andrew Pegge]

Hiya. 

Due to the fact that Subsurface painlessly downloads my dives from my Cosmiq+ I have only just caught up the death of Deepblu and their app. I seem to recall their app being the only way of marking dives as downloaded though that may be a faulty memory. Does Subsurface do this so that the Cosmiq+ memory will NOT then end up full of old dives?

TIA

Andy

[Andrew Pegge]

Afternoon.

I dived twice over the weekend and the cosmiq+ recorded and would download the first dive but yesterday's dive appears but as a "null dive", 0 metres for 0 minutes. 

On the phone I have to select "Force download all dives" to even see it otherwise it returns "Info: Import error: Input/output error"

On a windows desktop it can see that "null" dive plus 24 other dives. 

I believe 25 dives is the limit of the Cosmiq+ memory so it does seems as though the memory isn't being purged as dives are downloaded.

TIA

Andy

Now I am wonderinh 

[Andrew Pegge]

Update - now the windows app is returning "Dive data import error". The logifile is attached. 

[Michael Keller]

Hi Andrew.

On 4/03/25 01:56, Andrew Pegge wrote:

Update - now the windows app is returning "Dive data import error". The logifile is attached.

> Subsurface: v5.0.10

The version of Subsurface that you are using is very outdated. Please try again with a current version of Subsurface available from https://subsurface-divelog.org/

Ngā mihi

Michael Keller

[Brad Ahlf]

Our family (3) still uses this DeepBlu Cosmiq+ DC and it still uploads to Subsurface fine (on a mobile phone but not on a Mac Desktop).

The DC and Subsurface do not appear to have a limit on number of dives, I think we have done over 50.

We always just upload the most recent dives.

Brad

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[Andrew Pegge]

Hi Michael

Good spot! Didn't the app use to "look" occasionally for updates automatically?

Updated on desktop. Iphone seems to have been up to date anyhow.

Iphone will see 25 dives of which the last one is the "null" dive for 0 minutes to 0 metres.

Windows PC returns "Unable to open LE:DA:12:6B:49:9D:51 Deepblue (Cosmiq+) with and without force download turned on. I've tried other variations all with the same result.

The desktop app IS able to download from a wired connection to a Suunto Vyper Air.

I'll keep trying....

Best

Andy

[Michael Keller]

Hi Andy.

On Tue, 4 Mar 2025 at 11:52, Andrew Pegge <strooa...@gmail.com> wrote:

Good spot! Didn't the app use to "look" occasionally for updates automatically?

We've changed the distribution method for our releases some time ago, so it's possible that you version was just too old to find the new releases.

 

Updated on desktop. Iphone seems to have been up to date anyhow.

Iphone will see 25 dives of which the last one is the "null" dive for 0 minutes to 0 metres.

You could try to generate a log for this and submit it here: https://subsurface-divelog.org/subsurface-mobile-user-manual/#_ask_for_support 

Windows PC returns "Unable to open LE:DA:12:6B:49:9D:51 Deepblue (Cosmiq+) with and without force download turned on. I've tried other variations all with the same result.

The Bluetooth low energy stack that we are using is not super stable on desktop - so this might be down to the Bluetooth connection with this device not working well on Windows.

Try 'forgetting' the device in Windows, then re-pairing, and immediately downloading the dives. This _sometimes_ helps.

Ngā mihi

  Michael Keller

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[Jef Driesen]

On 2025-03-03 13:56, Andrew Pegge wrote:
> Update - now the windows app is returning "Dive data import error". The
> logifile is attached.

The attached log only shows the dive computer didn't respond at all.
That might be the "Failed to enable notifications" problem:

https://github.com/subsurface/subsurface/pull/3956

But since you were able to download dives before, that's a different
problem. So try again and generate a new download log where at least
some dives were downloaded. I suggest to enable the "Force download of
all dives" checkbox, and then exit the download dialog without importing
any dives.

Without that log file, we can't tell what is wrong with your "null
dive". A few days ago, I investigated another cosmiq+ issue, and there
the dive profile contained all 0xFF bytes leading to very large values.
Maybe your dive might contains all zero bytes?

Jef

[Andrew Pegge]

Hi All

Apologies for the radio silence but I had a hypothesis i wanted to test, and I just have. It involved going diving with the computer again and we have had poor conditions here so I had to wait for a weather window. 

This time the Cosmiq+ displayed data during the dive (like last time) but THIS time it also enabled me to bluetooth the dive over to the iPhone app. Must just have been some odd glitch on the computer last time I went in.

Thanks all for your help and input.

Best

Andy

[Bart Bouse]

I posted this over on Scubaboard.com last year.  "I played around with the Deepblu app on my iphone. I was able to skip the login and access the settings. Assuming it will still sync with Subsurface, the Cosmiq would seemingly still be fully functional by using the Deepblu app only for settings by skipping the log in, and using Subsurface to sync your log. How long the Deepblu app remains on the app store or not removed by Apple is anybody's guess though."  As of today, I'm still able to open the app and tap the small "skip" icon below the login, once in the app, click "menu", then click "your dive computers".  At this point, you can co to "Cosmiq Settings" and change settings on the Cosmiq after you pair the Cosmiq.  Of course, you have to download your dives to the iphone Subsurface app.  By combining these two methods, as of today 5/29/25, all functions of the Cosmiq can still be used.  This is the same as I pointed out in the scubaboard thread https://scubaboard.com/community/threads/what-happened-to-deep-blu-cosmiq.644174/.  As I mentioned there, how long this will continue to work is anyone's guess.  If you lose your phone, change phones, or for some reason have to reload the Deepblu app, you are probably screwed as the app is no longer on the Apple app store.