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...rather than use a global variable and a macro.
This should be a no-op in preparation to allow planning
several versions of a dive.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The momentary SAC rate got broken by the multiple ressure handling too,
and always used just the first cylinder.
This uses the new "get_gasmix()" helper to see what you're breathing,
and will do the SAC rate over all the cylinders that contain that gas.
So it should now DTRT even for sidemount diving (assuming you had the
same gas in the sidemount cylinders).
NOTE! We could just do the SAC rate over *all* the gases you have
pressures for, and maybe that's the right thing to do. The ones you are
not breating from shouldn't have their pressure change. But maybe some
people add their drysuit argon gas to the gas list?
So this may need more work, but it's a step in the right direction.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We have a few places that used to get the gasmix by looking at the
sensor index in the plot data, which really doesn't work any more.
To make it easier for those users to convert to the new world order,
this adds a "get_gasmix()" function. The gasmix function takes as its
argument the dive, the dive computer, and the time.
In addition, for good performance (to avoid looping over the event list
over and over and over again) it maintains a pointer to the next gas
switch event, and the previous gas. Those need to be initialized to
NULL by the caller, so the standard use-case pattern basically looks
like this:
struct gasmix *gasmix = NULL;
struct event *ev = NULL;
loop over samples or plot events in increasing time order: {
...
gasmix = get_gasmix(dive, dc, time, &ev, gasmix);
...
}
and then you can see what the currently breathing gas is at that time.
If for some reason you need to walk backwards in time, you can just pass
in a NULL gasmix again, which will reset the event iterator (at the cost
of now having to walk all the events again).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We had a "add_sample_pressure()" helper functions that was local to just
the libdivecomputer downloading code, but it really is applicable to
pretty much any code that adds cylinder pressure data to a sample.
Also add another helper: "legacy_format_o2pressures()" which checks the
sample data to see if we can use the legacy format, and returns the o2
pressure sensor to use for that legacy format.
Because both the XML and the git save format will need a way to save the
compatible old-style information, when possible, but save an extended
format for when we have data from multiple concurrent sensors.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This tries to sanely handle the case of a dive computer reporting
multiple cylinder pressures concurrently.
NOTE! There are various "interesting" situations that this whole issue
brings up:
- some dive computers may report more cylinder pressures than we have
slots for.
Currently we will drop such pressures on the floor if they come for
the same sample, but if they end up being spread across multiple
samples we will end up re-using the slots with different sensor
indexes.
That kind of slot re-use may or may not end up confusing other
subsurface logic - for example, make things believe there was a
cylidner change event.
- some dive computers might send only one sample at a time, but switch
*which* sample they send on a gas switch event. If they also report
the correct sensor number, we'll now start reporting that pressure in
the second slot.
This should all be fine, and is the RightThing(tm) to do, but is
different from what we used to do when we only ever used a single
slot.
- When people actually use multiple sensors, our old save format will
start to need fixing. Right now our save format comes from the CCR
model where the second sensor was always the Oxygen sensor.
We save that pressure fine (except we save it as "o2pressure" - just
an odd historical naming artifact), but we do *not* save the actual
sensor index, because in our traditional format that was always
implicit in the data ("it's the oxygen cylinder").
so while this code hopefully makes our libdivecomputer download do the
right thing, there *will* be further fallout from having multiple
cylinder pressure sensors. We're not done yet.
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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MAX_TANK_INFO is a new macro in dive.h to define the
maximum number of tank_info_t objects.
TankInfoModel's data() and setData() now check for valid
row indexes before accessing the tank_info[] array directly.
Without this patch TankInfoMode::data() can cause a SIGSEGV.
Reported-by: Pedro Neves <nevesdiver@gmail.com>
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is important to not duplicate code for the Qml
view. Now the DownloadFromDiveComputer widget is mostly
free from important code (that has been upgraded to the
core folder), and I can start coding the QML interface.
There are still a few functions on the desktop widget
that will die so I can call them via the QML code later.
I also touched the location of a few globals (please, let's
stop using those) - because it was declared on the
desktop code and being used in the core.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This appears to be critical for work of breathing so it might be
worthwhile to compute. So far only in infobox.
For background, see
https://www.youtube.com/watch?v=QBajM3xmOtc
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Moving the GUI independent Seabear import functionality to Subsurface
core. This will allow Robert to call it directly from download from DC.
Tested with H3 against released and daily versions of Subsurface. The
result differs somewhat, but it is actually fixing 2 bugs:
- Temperature was mis-interpreted previously
- Sample interval for a dive with 1 second interval was parsed
incorrectly
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Add automatic tests in TestPlan for minimum gas:
- Copy minimum gas result (pressure) to diveplan.
- Add cylinder size and working pressure for bottom gas to every dive in TestPlan
Hint: Unrealistic cylinder sizes (100l, 200l) have to be used for the very long and deep dives in TestPlan
- Add minimum gas check for every dive
- Add two additional test dives in TestPlan which produce sane minimum gas results with 24l tank
Hint: Deco check for these new dives is commented out at the moment
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
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... for consistency, while we are at it.
There are still some internal depth variables which are ints
somebody might take a go at those.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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This is needed in the altitude pressure conversion as there
negative altitudes are possible (for diving in the netherlands
or the Dead Sea).
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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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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Using gcc option "-Wfloat-conversion" is useful to catch
potential conversion errors (where lrint should be used).
rint returns double and still raises the same warning,
this is why this change updates all rint calls to lrint.
In few places, where input type is a float, corresponding
lrinf is used.
Signed-off-by: Jeremie Guichard <djebrest@gmail.com>
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On Windows that would fail because stat() doesn't deal well with our
utf8 strings.
Added new subsurface_stat() portability function to replace stat().
Added Windows implementation of subsurface_stat() using wstat(),
with conversion to ut16 of the inputed path.
Other platform implementations (linux, android) make use of the normal stat().
Added non ASCII test case in TestGitStorage::testGitStorageLocal()
Signed-off-by: Jeremie Guichard <djebrest@gmail.com>
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So we can use string constants for those
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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This resets the maximum crushing pressures and the maximal
ambient pressure between repetitive dives to prevent anomalies
that a dive produces a shorter deco when following another one
than without.
Reported-by: sfuchs@gmx.de
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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In order to streamline the view between desktop and mobile we need to save
selected profile related settings to git.
Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
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Adding --win32log as the first command line option on Windows
will now log all stdout and stderr output to the files
subsurface_err.log and subsurface_out.log in the working directory.
This change required a new argument 'bool logfile' to be added to:
subsurface_console_init() which is defined in all platform files
(linux.c, macos.c, etc.)
Example usage:
subsurface.exe --win32log -v -v -v
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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This reverts commit 1d8662006cbb5edae941315e30ede381c23a817b.
Mistakenly pushed to master
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When merged with real dives, those would double count otherwise.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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When merging a real dive with a planned dive (for comparison),
we should not try to be clever in merging similar cylinders,
rather keep the union of both cylinder sets as the two versions
of the dive might differ in exctly which gas and how much of it
was used.
Increase MAX_CYLINDERS to 20 to make room for this.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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In the cylinder table, the last column ("use") always showed
OC-GAS. Editing was enabled, but the user had to guess to enter
a small integer meaning dilluent or CCR oxygen cylingder. I guess,
nobody has ever done that.
This patch makes this column clickable. A click toggles if the cylinder
is used for planning or not. This wait it is much easier to investigate
the consequences of gas loss on a plan.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Modify formluas for gas use to take into account the
compressibility correction for real gases. This introduces
also the inverse formula to compute the pressure for a given
amount of gas.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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...instead of just stating "repetitive dive". As requested by
a user.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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Fixes #1095
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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For each stop, this computes an effective gradient factor
that gives the same ceiling. Then, it does linear regression
to find values for GFlow and GFhigh that give a similar deco
profile.
Note that this optimises the average gradient factor. The
runtime however depends strongly at the gradient factor at
the last depth. So we don't necessarily to get the runtime
right.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Separate the VPM-B conservatism preference into diveplan.vpmb_conservatism for
planning dives and prefs.vpmb_conservatism for profile ceiling display of
saved dives.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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No, they don't make sense. We should normally not have multiple samples
that are on the same second. But they seem to happen on the EON Steel
under some circumstances, and instead of dividing by zero when trying to
interpolate across such a sample, do something sane.
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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Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Add option to calculate the best mix portion of O2 and He for the dive's max
depth if the user enters * in the MOD and MND cylinder fields. Gas portions
are automatically recalculated if the max depth of the dive changes.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Determining the correct cylinder index from a known gas mix can be
complicated, but it is trivial to look up the gasmix from the cylinder_t
structure.
It makes sense to remember which cylinder is being used. This simplifies
handling changing a cylinder's gas mix, either directly by the user, or
indirectly in the planner. It also permits tracking of multiple cylinders of
the same mix, e.g. independent twins / sidemount.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Best mix O2 calculated based on planner Bottom O2 preference
Best mix He calculated based on EAD of 30m (should be made user-configurable)
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We first check the sha to see if we want to load at all. But at that
point we already have the repository and the branch and we have synced
with the remote. So when we decide that we need to reload from storage,
we don't need to repeat those steps, instead we can go directly to the
git load.
For that to work we need to pass the repository pointer and the branch
name back to the caller so that we can directly call git_load_dives().
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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In commit df4e26c8757a ("Start sanitizing gaschange event information")
back about a year and a half ago, I started sanitizing the gas switch
event data, allowing gas switches to be associated with a particular
cylinder index rather than just the gas mix that is switched to.
But that initial step only _allowed_ a gas switch event to be associated
with a particular cylinder, the primary model was still to just specify
the mix.
This finally takes the next step, and *always* associates a gas switch
event with a particular cylinder. Instead of then looking up the
cylinder by trying to match gas mixes at runtime, subsurface now looks
it up when loading the dive initially as part of the dive fixup code.
The switch event still has an a separate gas mix associated with it, but
this patch also starts preparing for entirely relying on the gas mix in
the cylinder itself, by starting to pass in not just the event but also
the dive pointer to the routines that look up gas mix details.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Some of the gas mix cleanups I'm doing are in code that uses const
pointers, and wants to use this.
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 C. Helling
Dirk Hohndel
Linus Torvalds
Lubomir I. Ivanov
Tomaz Canabrava
Miika Turkia
Stefan Fuchs
Jeremie Guichard
Joakim Bygdell
Rick Walsh