Bluetooth rfcomm and Shearwater Petrel updates

[Jason Bramwell]

I’ve done some download tests using a Petrel 1. Downloads using subsurface-4.9.6-118-g767f0a4f3eb0.exe on Windows is working just fine for me now, I was able to open rfcomm before and download 4.9.6 stable but was hitting the “Error parsing the header” error meaning no dives were imported, this latest test version has resolved this and the dives download and import just fine now.

I’ve also been able to download successfully on Linux using Subsurface-4.9.6-118-g767f0a4f3eb0-x86_64.AppImage but it took a lot of fiddling and pairing/unpairing to work but yes, it did work. Once you’ve been able to download once though this does seem to reliably connect up and download fine on subsequent attempts with no messing around needed, close and reopen Subsurface and try the download again and it ‘just works’. However after a reboot my laptop went back to saying “unable to open 00:13:43:06:AF:07 Shearwater Petrel“ and I was no longer able to download. This could be something specific to my laptop/BT adapter combination though so I would be interested to hear what the experience of others is. Yes Subsurface-4.9.6-118-g767f0a4f3eb0-x86_64.AppImage is capable of downloading and importing from a Shearwater Petrel 1 but in my experience it’s not 100% reliable.

Downloads on my OSTC Plus computers (These use BT LE I think) is just fine and 100% reliable using this new test version so no regression there.

JB

Sent from Mail for Windows 10

From: Dirk Hohndel via subsurface
Sent: 20 September 2020 03:55
To: Subsurface Mailing List; Jef Driesen; Paolo Bonzini
Subject: Bluetooth rfcomm and Shearwater Petrel updates

Hi Everyone

Thanks to Linus (and with the help of Jef - it just took us way to long to follow up on his comments) we finally have working BT/rfcomm downloads on Windows and Linux again.
Android I believe hadn't been broken.
macOS unfortunately still is broken.
and iOS of course doesn't support BT/rfcomm.

none of this affected BLE - this is just about Bluetooth classic / rfcomm downloads.

Also, I found a parsing error for Petrel and Petrel 2 dive computers that were updated to the current firmware.

Jef, you may want to look at https://github.com/subsurface/libdc/commit/8e1335e3728920e5795e0fb13f72e7e786a1a27a

If you have a BT/rfcomm dive computer, I'd appreciate a quick test of the latest binaries.
And ESPECIALLY if you happen to have a Shearwater Petrel or Petrel 2 - I'd really love to make sure there aren't any other surprises in the PNF implementation in the current firmware.

I'm still hoping to release Subsurface 4.9.7 next week. Thanks to some amazing efforts by the translators we are better off than we were in a very long time.
I am especially grateful to Paolo Bonzini who nearly completed the Italian translation (which was lagging quite a bit behind) in the last two days.
I know how hard it is to do those translations. And I will never stop being in awe of the people who jump on these prior to our releases.

Thanks

/D

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