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Core: let TTS calculation use correct ascent velocities

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Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Robert C. Helling 2019-03-18 21:17:00 +01:00 • committed by Dirk Hohndel
parent 3af4164d0c
commit d228eb35d5
1 changed files with 3 additions and 5 deletions
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8
core/profile.c
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@ -26,6 +26,7 @@
#define MAX_PROFILE_DECO 7200 #define MAX_PROFILE_DECO 7200
extern int ascent_velocity(int depth, int avg_depth, int bottom_time);
struct dive *current_dive = NULL; struct dive *current_dive = NULL;
unsigned int dc_number = 0; unsigned int dc_number = 0;
@ -917,10 +918,7 @@ static void calculate_ndl_tts(struct deco_state *ds, const struct dive *dive, st
/* FIXME: This should be configurable */ /* FIXME: This should be configurable */
/* ascent speed up to first deco stop */ /* ascent speed up to first deco stop */
const int ascent_s_per_step = 1; const int ascent_s_per_step = 1;
const int ascent_mm_per_step = 200; /* 12 m/min */
/* ascent speed between deco stops */
const int ascent_s_per_deco_step = 1; const int ascent_s_per_deco_step = 1;
const int ascent_mm_per_deco_step = 16; /* 1 m/min */
/* how long time steps in deco calculations? */ /* how long time steps in deco calculations? */
const int time_stepsize = 60; const int time_stepsize = 60;
const int deco_stepsize = 3000; const int deco_stepsize = 3000;
@ -957,7 +955,7 @@ static void calculate_ndl_tts(struct deco_state *ds, const struct dive *dive, st
entry->in_deco_calc = true; entry->in_deco_calc = true;
/* Add segments for movement to stopdepth */ /* Add segments for movement to stopdepth */
for (; ascent_depth > next_stop; ascent_depth -= ascent_mm_per_step, entry->tts_calc += ascent_s_per_step) { for (; ascent_depth > next_stop; ascent_depth -= ascent_s_per_step * ascent_velocity(ascent_depth, entry->running_sum / entry->sec, 0), entry->tts_calc += ascent_s_per_step) {
add_segment(ds, depth_to_bar(ascent_depth, dive), add_segment(ds, depth_to_bar(ascent_depth, dive),
gasmix, ascent_s_per_step, entry->o2pressure.mbar, divemode, prefs.decosac); gasmix, ascent_s_per_step, entry->o2pressure.mbar, divemode, prefs.decosac);
next_stop = ROUND_UP(deco_allowed_depth(tissue_tolerance_calc(ds, dive, depth_to_bar(ascent_depth, dive)), next_stop = ROUND_UP(deco_allowed_depth(tissue_tolerance_calc(ds, dive, depth_to_bar(ascent_depth, dive)),
@ -984,7 +982,7 @@ static void calculate_ndl_tts(struct deco_state *ds, const struct dive *dive, st
if (deco_allowed_depth(tissue_tolerance_calc(ds, dive, depth_to_bar(ascent_depth,dive)), surface_pressure, dive, 1) <= next_stop) { if (deco_allowed_depth(tissue_tolerance_calc(ds, dive, depth_to_bar(ascent_depth,dive)), surface_pressure, dive, 1) <= next_stop) {
/* move to the next stop and add the travel between stops */ /* move to the next stop and add the travel between stops */
for (; ascent_depth > next_stop; ascent_depth -= ascent_mm_per_deco_step, entry->tts_calc += ascent_s_per_deco_step) for (; ascent_depth > next_stop; ascent_depth -= ascent_s_per_deco_step * ascent_velocity(ascent_depth, entry->running_sum / entry->sec, 0), entry->tts_calc += ascent_s_per_deco_step)
add_segment(ds, depth_to_bar(ascent_depth, dive), add_segment(ds, depth_to_bar(ascent_depth, dive),
gasmix, ascent_s_per_deco_step, entry->o2pressure.mbar, divemode, prefs.decosac); gasmix, ascent_s_per_deco_step, entry->o2pressure.mbar, divemode, prefs.decosac);
ascent_depth = next_stop; ascent_depth = next_stop;