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When Suunto Vytecs are used in gauge mode they don't record gasmixes.
If a tank pressure sensor is present they nevertheless record the
pressures. This patch handles this situation by assuming the tanks
contain air (and warning the user about this).
[Dirk Hohndel: I had mistakenly pushed out an earlier version of this
commit, so this fixes things up to the final version]
Reported-by: antonnorth@gmail.com
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When Suunto Vytecs are used in gauge mode they don't record gasmixes.
If a tank pressure sensor is present they nevertheless record the
pressures. This patch handles this situation by assuming the tanks
contain air (and warning the user about this).
Reported-by: antonnorth@gmail.com
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We had hardcoded the exact translation of the event numbers. They
haven't changed (although we did have what appears to be a spurious
entry for "non stop time" at the end that libdivecomputer doesn't have
an enum for).
Instead, use an explicit array index initializer array, so that it's
obvious that the two match up (and if the sample event numbers ever
change, we should cope with it gracefully).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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New libdivecomputer versions use DC_SAMPLE_GASMIX to indicate a gas
change (which contains the cylinder index we're changing to) rather than
SAMPLE_EVENT_GASCHANGE*.
Unlike the old GASCHANGE model, and despite the name, DC_SAMPLE_GASMIX
does not actually say what the mix is, it only specifies a cylinder
index. We had already extended SAMPLE_EVENT_GASCHANGE2 to have the
cylinder index in the otherwise unused "flags" field, so this is not all
that different from what we used to do.
And subsurface internally already had the logic that "if we know what
the cylinder index is, take the gas mix from the cylinder data", so
we've already been able to transparently use _either_ the actual gas mix
or the cylinder index to show the event.
But we do want to make it an event rather than some sample data, because
we want to show it as such in the profile. But because we are happy
with just the cylinder index, we'll just translate the DC_SAMPLE_GASMIX
thing to the SAMPLE_EVENT_GASCHANGE2 event, and nothing really changes
for subsurface.
libdivecomputer has made other changes, like indicating the initial
cylinder index with an early DC_SAMPLE_GASMIX report, but we've seen
that before too (in the form of early SAMPLE_EVENT_GASCHANGE events), so
that doesn't really end up changing anything for us either.
HOWEVER, one thing that is worth noticing: do *not* apply this patch and
then use an old libdivecomputer library that sends both the
DC_SAMPLE_GASMIX samples _and_ the deprecated SAMPLE_EVENT_GASCHANGE
events. It will all *work*, but since subsurface will take either,
you'll then get duplicate gas mix events.
It's not like that is in any way fatal, but it might be a bit confusing.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Instead of creating the individual parsers, and keeping track of their
arguments, this just uses the "new" dc_parser_new2 function ment for
buffer parsing.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
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This removes our own declaration of dc_descriptor_t and all our accesses
to its internals, and switches to use the libdivecomputer functions to
access those instead.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
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This renames and cleans up ostc_get_data_descriptor into get_descriptor,
for more generic use.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is for later reuse of that function in other source files.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This reverts commit 93ef223a3131db838abc7c390ddce3fae8be5f7c.
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Linus pointed out that it might be another call site (and looking at his
proposed patch I noticed a logic error in my earlier attempt)
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Not sure if this will fix the crash for Henrik, but it's worth
a try.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This adds a simple cp2130 userspace driver. Its probably unusable in the
real world but its a great base to build upon.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This rewrites the custom serial code to use the new api which I
implemented in the Subsurface-branch of libdivecomputer.
This is a bit to big patch but I haven't had the time to break it down
into more sensible patches.
This rewrite enables us to support more ftdi based divecomputer
communication and is tested with both a OSTC3, OSTC2N and a Suunto
Vyper, all over the libftdi driver.
The bluetooth code paths are tested to, and should work as before.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We used to clear the 'dc_tank_t' for each dive, but then only clear the
volume field in between each cylinder. That means that if the
libdivecomputer back-end does not touch a field, it might contain the
stale value from the previous tank information.
I'm not sure this is actually much of an issue, since I'd expect
back-ends do seem to initialize the fields fully (at least the EON Steel
back-end does). But it's inconsistent.
Also, the code was actually buggy because of the odd indentation: it
would only ask for new tank information up to 'ntanks' tanks, but
because of the final fixup that was done outside of the conditional, it
would actually update the cylinder begin/end pressure data *beyond*
'ntanks', and just re-use the last libdivecomputer data for the rest of
the cylinders.
Again, in practice, that probably never really happened, but it is a
real bug.
The fixed-up code actually looks better too, imho, and is one line
shorter because of the initialization now being done in one place rather
than two.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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In subsurface, we only have one cylinder pressure per sample (well,
technically two: we have a separate o2 pressure for rebreather diving).
Which makes things "interesting" if the dive computer can actually have
multiple pressure sensors, and can report them all concurrently. Like
the Suunto EON Steel.
We used to just take the last one (each sensor reading would just
overwrite any previous ones), and this quick hack just changes the logic
to prefer the "current" cylinder instead.
It's wrong, and it's stupid, but it's the best we can do without major
surgery.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Instead of having fixed numbers and trying to translate them into
strings, a dive computer could just give us the string directly. Like
the new EON Steel backend does.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This uses the extended tank type information to fill in the cylinder use
(OC gas, CC Diluent or CC O2) from libdivecomputer when available.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We have two different models for setting the deviceid associated with a
dive computer: either take the value from the libdivecomputer 'devinfo'
field (from the DC_EVENT_DEVINFO event), or generate the device ID by
just hashing the serial number string.
The one thing we do *not* want to have, is to use both methods, so that
the same device generates different device IDs. Because then we'll
think we have two different dive computers even though they are one and
the same.
Usually, this is not an issue, because libdivecomputer either sends the
DEVINFO event or gives us the serial number string, and we'll always
just pick one or the other.
However, in the case of at least the Suunto EON Steel, I intentionally
did *not* send the DC_EVENT_DEVINFO event, because it gives no useful
information. We used the serial number string to generate a device ID,
and everything was fine.
However, in commit d40cdb4755ee ("Add the devinfo event") in the
libdivecomputer tree, Jeff started generating those DC_EVENT_DEVINFO
events for the EON Steel too, and suddenly subsurface would start using
a device ID based on that instead.
The situation is inherently ambiguous - for the EON Steel, we want to
use the hash of the serial number (because that is what we've
historically done), but other dive computers might want to use the
DEVINFO data (because that is what _those_ backends have historically
done, even if they might also implement the new serial string model).
This commit makes subsurface resolve this ambiguity by simply preferring
whatever previous device ID it has associated with that particular
serial number string. If you have no previous device IDs, it doesn't
matter which one you pick.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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There are cases where we actually want to keep them, as exemplified by
this situation from Richard Yorke:
"I have just come across a situation when ignoring the surface marker
is a disadvantage. I have just had a problem with my BC feed
seeping, slowly filling my BC and as I control my buoyancy on the
bottom using the air in my drysuit, I did not notice, so that when I
came to ascend the expanding air in my BC caused a loss of control.
Fortunately not from a great depth and no untoward consequences.
However, the Subsurface profile only shows me rising to 4m and
descending to 5.5m for my safety stop. However I actually broke the
surface and descented to 5.5 but the frequency of recording depth was
not fast enough to show this as it was so brief"
so remove the code that ignores the surface events entirely.
I think we'll have to come up with some smarter filtering model for
showing them, but that is predicated on getting these events to come
through in the first place.
Reported-by: Richard Yorke <yorke.richard@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Having subsurface-core as a directory name really messes with
autocomplete and is obviously redundant. Simmilarly, qt-mobile caused an
autocomplete conflict and also was inconsistent with the desktop-widget
name for the directory containing the "other" UI.
And while cleaning up the resulting change in the path name for include
files, I decided to clean up those even more to make them consistent
overall.
This could have been handled in more commits, but since this requires a
make clean before the build, it seemed more sensible to do it all in one.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Robert Helling
Linus Torvalds
Anton Lundin
Dirk Hohndel