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Update the disclamer text to reflect which algorithm where used.
[Dirk Hohndel: cleaned up coding style & replaced snprintf with strncat]
Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Make precedence of && over || explicit.
Explicitly convert between char * and unsigned char *.
Don't assign potentially negative return code to an unsigend variable.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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For the proper calculation, we need to take salinity and surface pressure
into account (rather than depth = bar * 10 - 10)
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This sets up a standard dive scenario (30 minutes at 260ft/79m, EAN36 and
Oxygen as deco gases, last stop at 20ft/6m) and calls the planner to set
up a dive plan given certain standard gases.
Instead of trying to verify the complete plans it checks that we switch to
the deco gases at the right depth and the complete duration of the dive
matches our expectation.
The test intentionally fails right now for imperial as we have the wrong
switch depth for Oxygen. See how useful tests are?
On the downside, the test does NOT produce the same plan as Subsurface
when I try to create a consistent setup for both - and I have not been
able to figure out why. There must be some other parameters that I'm not
setting, but I haven't identified them, yet. It's very small differences,
for example in the metric case the stops at 21m, 9m, and 6m are each one
minute shorter in the test than it what Subsurface calculates.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When using feet as depth unit, deco stop levels should be at 10 ft rather
than 3 m increments.
For shallow stops, rounding means the difference is not apparent. However,
with stops deeper than 30 feet, using 3 m increments leads stops at 39ft,
49ft, ..., 98ft, etc.
Apart from making plans look messy, the old behaviour makes it harder to
benchmark the planner against published profiles in imperial units.
This revised patch uses the help macro M_OR_FT(6, 20) to set the last stop
at the correct depth.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Read and use the last_stop preference in the plan function.
Read the plan notes preferences and set variables (plan_verbatim,
plan_display_runtime, plan_display_duration, and plan_display_transitions)
in the add_plan_to_notes function. Don't read the preferences and set
variables otherwise. Both plan and add_plan_to_notes functions are called
on data change.
Previous behaviour was:
- Set variables on declaration
- Reset variables in plan function (even variables that only relate to
planner notes output)
- Changing a preference triggered set_xxx function which sets variable,
then plan function, which sets variable again.
Apart from being inefficient, the previous behaviour made it difficult to
track down where and when variables were set.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Added keeping bottom dive state and every deco's time, so we can
run multiple deco simulations with different gradients until they
converge to some optimal value.
Some improvements on the deco time calculation may be needed.
Signed-off-by: Jan Darowski <jan.darowski@gmail.com>
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Add call of initial calculation of critical radius and start gradient,
so the VPM could work.
Currently without CVA, so the gradient isn't improved.
Only one iteration is run.
Signed-off-by: Jan Darowski <jan.darowski@gmail.com>
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Check during the trial_ascent() if existing pressure gradient is
smaller than previously calculated max gradient. If not, ascent
is impossible from the vpm-b's point of view.
Signed-off-by: Jan Darowski <jan.darowski@gmail.com>
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Removed recreational mode from ui and pref and replaced it with
new deco_mode enum.
Added radio button ui selection.
Set default deco_mode to Buehlmann algorithm.
Signed-off-by: Jan Darowski <jan.darowski@gmail.com>
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When option is enabled, if a stop is not otherwise required, a gas switch will be delayed until a stop is reached. This option is ignored if the current gas is hypoxic.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is required so they work in the test for /* do we want to skip this leg as it is devoid of anything useful? */
We were already trying to use gaschange_after (and previously gaschange), but it was duplicating an existing condition (now removed).
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Previously gaschange_after was never being set back to false. Now it will be.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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... for better readability.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The logic for when to output a gasmix in the notes table is more
complicated than it seems at first.
- On a descent leg, the gas is the gas used for descent
- At a stop (calculated or user defined), the gas is the gas used for that
stop
- But on an ascent leg (if displayed), the gas is the gas that is ABOUT TO
BE USED
- The gas should not be repeated if it's the same gas as used on the last
row of the table
- Ascent legs should only be displayed if the display transitions option
is selected, OR if there is a gas change without a stop (the user can
now set a minimum duration for a gaschange, but zero is still allowed).
The existing code tries to track what gas is being used/switched to at
each waypoint, and whether the gas should be printed or postponed to the
next leg. It works sometimes but not always.
This patch replaces the postponed gas logic with:
- Is this an ascent leg? (determines whether the applicable gas is the
preceding or following leg, and whether the leg should be displayed at
all if the transitions option isn't selected)
- Is it an ascent with a gaschange without a stop?
- Has the gas actually changed from the last output?
- Will the next leg be at the same level and same gas (in which case merge
them)?
Signed-off-by: Rick Walsh <rickmwalsh@gmail.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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Free memory returned from parse_mkvi_value()
Free memory returned from printGPSCoords()
Free memory allocated in added_list and removed_list
Free memory allocated when adding suffix to dive site name
Free memory allocated in cache_deco_state()
Free memory allocated in build_filename()
Free memory allocated in get_utf8()
Free memory allocated in alloc_dive()
Free memory allocated as cache but never used
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Change the timestep used to calculate tissue pressures and ascents from 3
seconds to 2 seconds. But whats wrong with using 3 seconds?
Deco stops are at 3 m (10') intervals, and our ascent rate is usually
9 m/min (30'/min), or at least multiples of 3 m/min (10'/min). Hence time
to ascend from one stop to the next stop is 20s (or any factor of 60).
Using 3s increments, we round our ascent interval up to 21 s, which leads
to messy durations and runtimes.
But what about me? I like SI units and whole decimals. Don't worry, 2s
timesteps fit nicely when using 10 m/min ascent rate (18 s between stops).
[Dirk Hohndel: edited the commit message to fix minute/second confusion]
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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--20cf303ddd3893b1500518e9204e
Content-Type: text/plain; charset=UTF-8
Use an adjusted timestep to calculate length of deco stops, so that they
always end at whole minutes of runtime. This makes for a cleaner ascent
profile.
<div dir="ltr">Use an adjusted timestep to calculate length of deco stops, so that they always end at whole minutes of runtime. This makes for a cleaner ascent profile.<br></div>
From 15e08450252f304fc7d46931e2aca5c991c2f3de Mon Sep 17 00:00:00 2001
From: Rick Walsh <rickmwalsh@gmail.com>
Date: Sat, 20 Jun 2015 11:36:07 +1000
Subject: [PATCH 2/2] Planner - end deco stops at whole minutes of runtime
Use an adjusted timestep to calculate length of deco stops, so that they always end at whole minutes of runtime. This makes for a cleaner ascent profile.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Enforce a minimum duration for gas switching in the planner.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Switch the column order of the planner notes table so that duration is displayed before runtime. This is consistent with:
- the verbatim output order, e.g. "Stay at 12.0 m for 3:00 min - runtime 32:48 on EAN50"
- MultiDeco, e.g. http://www.hhssoftware.com/multideco/view_multideco.html
- Planner on the Shearwater Petrel
- How I have been taught to write out my dive plan in my wetnotes
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This fixes a "reproducable hang when using "edit dive in planner" on
non-planned dive".
Comparing unsigned and signed integers isn't a great idea.
Fixes #880
Signed-off-by: Jan Darowski <jan.darowski@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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clang complais when converting (char *) to (unsigned char *), so tell
it it's fine.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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There is no point in doing a stop at 5m if the last manual waypoint is shallower.
Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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...as this what comes in when the user selects this gas in the
add dive/dive planner contet menu.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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As a side effect this changes the signature of plan(): Before it
returned an int that was supposed to be possibly an error but
we never bothered to check it. So now it's bool indicating if the
planner did add stops.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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If there are more than 100 samples, average some of them so we end up with no more than 100.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Since most regulators have an intermediate pressure of 10bar
the minimum value is 10 while the max is 99.
Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Back in 5bf23381e we started storing planner settings in prefs.
We need to read those settings back when we start the planner.
Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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If there is valid gas information (cylinder size and starting pressure),
also ascent before gas runs out (taking a 40bar reserve into account).
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Fixes #839
Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This adopts the planner to the needs of the recreational diver. Rather than immediately
starting to ascent doing deco stops this mode, this mode stays at the last manually
entered depth for the maximal time before mandantory stops appear (NDL). It does not
change gas but keeps using the last used cylinder.
TODO: * Grey out unused UI elements of the planner in this mode
* Start ascent before gas runs out (or into reserve)
* Do a 3min @ 5m safety stop.
Fixes #840
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When using gasmixes where the difference is less than 2% the planner can't
caclulate casconsumptions correctly. This sets the minimum gasdifference
to 1%.
Fixes #795
Signed-off-by: Joakim Bygdell <j.bygdell@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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As we now have the logic that there is always an explicit setpoint at
t=0sec for CCR dives, also the planner should honor that.
This fixes a bug that when planning a CCR dive we later add a
setpoint change this influenced the ceiling _before_ the
setpoint change.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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The position of one curly brace was wrong. Bummer.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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[Dirk Hohndel: fixed obvious compile problem]
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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When planning a dive, the gas consumption is based on a user configured SAC.
Thus we should use that SAC and not try to recompute it from samples.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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... and repair a failed rebase (sorry).
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Forward the sample set-point setting as otherwise all ascents are
planned on OC.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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In the decision if a dive segment should lead to a line in the
diveplan, we need to differentiate between the lastdepth (the
depth of the last dp to tell if we are currently stopping) and
the last depth that we printed a line for (needed for gaschange
lines). Without this patch, no stops without gas changes were
listed anymore in the diveplan.
Like the last patch for the diveplan: I hope this time I got this
logic right.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This is a pain. We plan with segments but the plan shows waypoints.
If after a constant depth segment the gaschange (or setpoint chenge
for that matter) appears, the _next_ line should get the info
about the new gas (i.e. change _after_ the constant depth segment).
If, however, the gas is changed after a transition, the final waypoint
of the transition gets the gas printed.
And all is different for a verbatim plan, where the gas change is
an event rather than part of a segment.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Joakim Bygdell
Dirk Hohndel
Robert C. Helling
Rick Walsh
Jan Darowski