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I have received one sample log where after parsing a bunch of dives
properly, the sample count hits zero, and after that it is astronomical.
In case of zero, the only data we have is dive date and time of a
duplicate dive that we already parsed with proper dive profile. So
preventing a crash with this hack without properly understanding the
weird file format.
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
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The other pressure sensors were disabled on import because we didn't use
to handle multiple sensors well at all.
Now it "JustWorks(tm)".
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is a very timid start at making us actually use multiple sensors
without the magical special case for just CCR oxygen tracking.
It mainly does:
- turn the "sample->sensor" index into an array of two indexes, to
match the pressures themselves.
- get rid of dive->{oxygen_cylinder_index,diluent_cylinder_index},
since a CCR dive should now simply set the sample->sensor[] indices
correctly instead.
- in a couple of places, start actually looping over the sensors rather
than special-case the O2 case (although often the small "loops" are
just unrolled, since it's just two cases.
but in many cases we still end up only covering the zero sensor case,
because the CCR O2 sensor code coverage was fairly limited.
It's entirely possible (even likely) that this migth break some existing
case: it tries to be a fairly direct ("stupid") translation of the old
code, but unlike the preparatory patch this does actually does change
some semantics.
For example, right now the git loader code assumes that if the git save
data contains a o2pressure entry, it just hardcodes the O2 sensor index
to 1.
In fact, one issue is going to simply be that our file formats do not
have that multiple sensor format, but instead had very clearly encoded
things as being the CCR O2 pressure sensor.
But this is hopefully close to usable, and I will need feedback (and
maybe test cases) from people who have existing CCR dives with pressure
data.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We currently carry two pressures around for all the samples and plot
info, but the second pressure is reserved for CCR dives as the O2
cylinder pressure.
That's kind of annoying when we *could* use it for regular sidemount
dives as the secondary pressure.
So start prepping for that instead: don't make it "pressure" and
"o2pressure", make it just be an array of two pressure values.
NOTE! This is purely mindless prepwork. It literally just does a
search-and-replace, keeping the exact same semantics, so "pressure[1]"
is still just O2 pressure.
But at some future date, we can now start using it for a second sensor
value for sidemount instead.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This changeset fixes 5 issues specific to importing from Liquivision dive logs:
Issue #1: Buffer overrun causes segmentation fault.
At the end of a dive record, untranslatable data is skipped and the file is
scanned for the start of the next dive. This scan was implemented without
regard to buffer size and so the scan ran over the buffer boundary when trying
to scan for the next record after importing the last record in the file.
Issue #2: Incorrect identification of the primary sensor.
The primary tank pressure transmitter was being identified by using the sensor
ID reported in the first pressure event record encountered. When diving with
multiple transmitters (buddy, student, or group transmitters), this is often
not the case and results in the buddy or other group transmitter's pressure
data being imported instead of the primary's.
Through empirical observation of several multi-sensor logs, I identified a
previously unhandled event code (0x10) as marking a sensor identification
event record. Parsing this record allows the primary and other sensors
to be definitively identified regardless of which one sends the first pressure
event.
Issue #3: Sensor values added to the sample collection regardless of sensor ID.
When processing events, the code previously dropped through to create a sample
for every pressure event record, regardless of which sensor ID that event is
associated with. Pressure events for sensors other than the primary are now
ignored and omitted from the sample collection.
Issue #4: Duplicate samples when pressure event time syncs with sample time.
The sample index (d) was not incremented in this specific case resulting in
a duplicate sample (for the same sample time) being created when processing
the next pressure event record.
Issue #5: Unsigned time difference results in erroneous interpolated samples.
When interpolating/extrapolating depth and temperature values for a between-
samples pressure event, a signed time value is subtracted from an unsigned time
value, resulting in an unsigned term. This term is used as a scaling factor
and should be signed to allow for a negative value. Currently, negative values
are instead treated as large unsigned values which result in erroneous scaled
depth and temperature values.
Signed-off-by: Robert Bodily <robert@bodily.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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semantic change.
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Not using lrint(f) when converting double/float to int
creates rounding errors.
This error was detected by TestParse::testParseDM4 failure
on Windows. It was creating rounding inconsistencies
on Linux too, see change in TestDiveDM4.xml.
Enable -Wfloat-conversion for gcc version greater than 4.9.0
Signed-off-by: Jeremie Guichard <djebrest@gmail.com>
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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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Miika Turkia
Linus Torvalds
Robert Bodily
Dirk Hohndel
Martin Měřinský
Jeremie Guichard