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-rw-r--r--deco.c5
-rw-r--r--dive.c7
-rw-r--r--dive.h6
-rw-r--r--divelist.c6
-rw-r--r--planner.c8
-rw-r--r--pref.h2
-rw-r--r--profile.c12
-rw-r--r--subsurfacestartup.c2
8 files changed, 29 insertions, 19 deletions
diff --git a/deco.c b/deco.c
index 51c26eac6..c2d54d59c 100644
--- a/deco.c
+++ b/deco.c
@@ -18,6 +18,7 @@
#include <math.h>
#include <string.h>
#include "dive.h"
+#include <assert.h>
//! Option structure for Buehlmann decompression.
struct buehlmann_config {
@@ -184,12 +185,12 @@ double he_factor(int period_in_seconds, int ci)
}
/* add period_in_seconds at the given pressure and gas to the deco calculation */
-double add_segment(double pressure, const struct gasmix *gasmix, int period_in_seconds, int ccpo2, const struct dive *dive)
+double add_segment(double pressure, const struct gasmix *gasmix, int period_in_seconds, int ccpo2, const struct dive *dive, int sac)
{
int ci;
struct gas_pressures pressures;
- fill_pressures(&pressures, pressure - WV_PRESSURE, gasmix, (double) ccpo2 / 1000.0);
+ fill_pressures(&pressures, pressure - WV_PRESSURE, gasmix, (double) ccpo2 / 1000.0, ccpo2 ? CCR : OC, sac);
if (buehlmann_config.gf_low_at_maxdepth && pressure > gf_low_pressure_this_dive)
gf_low_pressure_this_dive = pressure;
diff --git a/dive.c b/dive.c
index 9ec535d86..45b50b72d 100644
--- a/dive.c
+++ b/dive.c
@@ -1549,8 +1549,13 @@ int gasmix_distance(const struct gasmix *a, const struct gasmix *b)
* *mix = structure containing cylinder gas mixture information.
* This function called by: calculate_gas_information_new() in profile.c; add_segment() in deco.c.
*/
-extern void fill_pressures(struct gas_pressures *pressures, const double amb_pressure, const struct gasmix *mix, double po2)
+extern void fill_pressures(struct gas_pressures *pressures, const double amb_pressure, const struct gasmix *mix, double po2, enum dive_comp_type dctype, int sac)
{
+ if (!sac) {
+ /* The SAC has not yet been computer, so use the default *
+ * We might try harder... */
+ sac = prefs.bottomsac;
+ }
if (po2) { // This is probably a CCR dive where pressures->o2 is defined
if (po2 >= amb_pressure) {
pressures->o2 = amb_pressure;
diff --git a/dive.h b/dive.h
index 6ca091e9d..b78b0bbd0 100644
--- a/dive.h
+++ b/dive.h
@@ -47,7 +47,7 @@ extern "C" {
#include <stdbool.h>
#endif
-enum dive_comp_type {OC, CCR}; // Flags (Open-circuit and Closed-circuit-rebreather) for setting dive computer type
+enum dive_comp_type {OC, CCR, PSCR}; // Flags (Open-circuit and Closed-circuit-rebreather) for setting dive computer type
enum cylinderuse {oxygen, diluent, bailout}; // The different uses for cylinders in CCR dives
struct gasmix {
@@ -140,7 +140,7 @@ struct gas_pressures {
double o2, n2, he;
};
-extern void fill_pressures(struct gas_pressures *pressures, const double amb_pressure, const struct gasmix *mix, double po2);
+extern void fill_pressures(struct gas_pressures *pressures, const double amb_pressure, const struct gasmix *mix, double po2, enum dive_comp_type dctype, int sac);
extern void sanitize_gasmix(struct gasmix *mix);
extern int gasmix_distance(const struct gasmix *a, const struct gasmix *b);
@@ -731,7 +731,7 @@ extern void subsurface_command_line_exit(int *, char ***);
#define FRACTION(n, x) ((unsigned)(n) / (x)), ((unsigned)(n) % (x))
-extern double add_segment(double pressure, const struct gasmix *gasmix, int period_in_seconds, int setpoint, const struct dive *dive);
+extern double add_segment(double pressure, const struct gasmix *gasmix, int period_in_seconds, int setpoint, const struct dive *dive, int sac);
extern void clear_deco(double surface_pressure);
extern void dump_tissues(void);
extern unsigned int deco_allowed_depth(double tissues_tolerance, double surface_pressure, struct dive *dive, bool smooth);
diff --git a/divelist.c b/divelist.c
index 1f05b6fa6..7efafa88c 100644
--- a/divelist.c
+++ b/divelist.c
@@ -322,7 +322,7 @@ static void add_dive_to_deco(struct dive *dive)
for (j = t0; j < t1; j++) {
int depth = interpolate(psample->depth.mm, sample->depth.mm, j - t0, t1 - t0);
(void)add_segment(depth_to_mbar(depth, dive) / 1000.0,
- &dive->cylinder[sample->sensor].gasmix, 1, sample->setpoint.mbar, dive);
+ &dive->cylinder[sample->sensor].gasmix, 1, sample->setpoint.mbar, dive, dive->sac);
}
}
}
@@ -396,7 +396,7 @@ double init_decompression(struct dive *dive)
if (pdive->when > lasttime) {
surface_time = pdive->when - lasttime;
lasttime = pdive->when + pdive->duration.seconds;
- tissue_tolerance = add_segment(surface_pressure, &air, surface_time, 0, dive);
+ tissue_tolerance = add_segment(surface_pressure, &air, surface_time, 0, dive, prefs.decosac);
#if DECO_CALC_DEBUG & 2
printf("after surface intervall of %d:%02u\n", FRACTION(surface_time, 60));
dump_tissues();
@@ -407,7 +407,7 @@ double init_decompression(struct dive *dive)
if (lasttime && dive->when > lasttime) {
surface_time = dive->when - lasttime;
surface_pressure = get_surface_pressure_in_mbar(dive, true) / 1000.0;
- tissue_tolerance = add_segment(surface_pressure, &air, surface_time, 0, dive);
+ tissue_tolerance = add_segment(surface_pressure, &air, surface_time, 0, dive, prefs.decosac);
#if DECO_CALC_DEBUG & 2
printf("after surface intervall of %d:%02u\n", FRACTION(surface_time, 60));
dump_tissues();
diff --git a/planner.c b/planner.c
index b88c8fe82..a4181907e 100644
--- a/planner.c
+++ b/planner.c
@@ -127,7 +127,7 @@ double interpolate_transition(struct dive *dive, duration_t t0, duration_t t1, d
for (j = t0.seconds; j < t1.seconds; j++) {
int depth = interpolate(d0.mm, d1.mm, j - t0.seconds, t1.seconds - t0.seconds);
- tissue_tolerance = add_segment(depth_to_mbar(depth, dive) / 1000.0, gasmix, 1, po2.mbar, dive);
+ tissue_tolerance = add_segment(depth_to_mbar(depth, dive) / 1000.0, gasmix, 1, po2.mbar, dive, prefs.bottomsac);
}
return tissue_tolerance;
}
@@ -831,7 +831,7 @@ int plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool s
tissue_tolerance = add_segment(depth_to_mbar(depth, &displayed_dive) / 1000.0,
&displayed_dive.cylinder[current_cylinder].gasmix,
- TIMESTEP, po2, &displayed_dive);
+ TIMESTEP, po2, &displayed_dive, prefs.decosac);
clock += TIMESTEP;
depth -= deltad;
} while (depth > stoplevels[stopidx]);
@@ -869,7 +869,7 @@ int plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool s
deltad = trial_depth;
tissue_tolerance = add_segment(depth_to_mbar(trial_depth, &displayed_dive) / 1000.0,
&displayed_dive.cylinder[current_cylinder].gasmix,
- TIMESTEP, po2, &displayed_dive);
+ TIMESTEP, po2, &displayed_dive, prefs.decosac);
if (deco_allowed_depth(tissue_tolerance, diveplan->surface_pressure / 1000.0, &displayed_dive, 1) > trial_depth - deltad) {
/* We should have stopped */
clear_to_ascend = false;
@@ -892,7 +892,7 @@ int plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool s
}
tissue_tolerance = add_segment(depth_to_mbar(depth, &displayed_dive) / 1000.0,
&displayed_dive.cylinder[current_cylinder].gasmix,
- DECOTIMESTEP, po2, &displayed_dive);
+ DECOTIMESTEP, po2, &displayed_dive, prefs.decosac);
cache_deco_state(tissue_tolerance, &trial_cache);
clock += DECOTIMESTEP;
/* Finish infinite deco */
diff --git a/pref.h b/pref.h
index bd2c38469..733a194bf 100644
--- a/pref.h
+++ b/pref.h
@@ -67,6 +67,8 @@ struct preferences {
bool drop_stone_mode;
int bottomsac;
int decosac;
+ int o2consumption; // ml per min
+ int pscr_ratio; // dump ratio times 1000
bool show_pictures_in_profile;
bool use_default_file;
};
diff --git a/profile.c b/profile.c
index 454dc1bcd..04d747a98 100644
--- a/profile.c
+++ b/profile.c
@@ -735,7 +735,7 @@ static void calculate_ndl_tts(double tissue_tolerance, struct plot_data *entry,
while (entry->ndl_calc < max_ndl && deco_allowed_depth(tissue_tolerance, surface_pressure, dive, 1) <= 0) {
entry->ndl_calc += time_stepsize;
tissue_tolerance = add_segment(depth_to_mbar(entry->depth, dive) / 1000.0,
- &dive->cylinder[cylinderindex].gasmix, time_stepsize, entry->pressures.o2 * 1000, dive);
+ &dive->cylinder[cylinderindex].gasmix, time_stepsize, entry->pressures.o2 * 1000, dive, prefs.bottomsac);
}
/* we don't need to calculate anything else */
return;
@@ -747,7 +747,7 @@ static void calculate_ndl_tts(double tissue_tolerance, struct plot_data *entry,
/* Add segments for movement to stopdepth */
for (; ascent_depth > next_stop; ascent_depth -= ascent_mm_per_step, entry->tts_calc += ascent_s_per_step) {
tissue_tolerance = add_segment(depth_to_mbar(ascent_depth, dive) / 1000.0,
- &dive->cylinder[cylinderindex].gasmix, ascent_s_per_step, entry->pressures.o2 * 1000, dive);
+ &dive->cylinder[cylinderindex].gasmix, ascent_s_per_step, entry->pressures.o2 * 1000, dive, prefs.decosac);
next_stop = ROUND_UP(deco_allowed_depth(tissue_tolerance, surface_pressure, dive, 1), deco_stepsize);
}
ascent_depth = next_stop;
@@ -765,13 +765,13 @@ static void calculate_ndl_tts(double tissue_tolerance, struct plot_data *entry,
entry->tts_calc += time_stepsize;
tissue_tolerance = add_segment(depth_to_mbar(ascent_depth, dive) / 1000.0,
- &dive->cylinder[cylinderindex].gasmix, time_stepsize, entry->pressures.o2 * 1000, dive);
+ &dive->cylinder[cylinderindex].gasmix, time_stepsize, entry->pressures.o2 * 1000, dive, prefs.decosac);
if (deco_allowed_depth(tissue_tolerance, surface_pressure, dive, 1) <= next_stop) {
/* 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)
add_segment(depth_to_mbar(ascent_depth, dive) / 1000.0,
- &dive->cylinder[cylinderindex].gasmix, ascent_s_per_deco_step, entry->pressures.o2 * 1000, dive);
+ &dive->cylinder[cylinderindex].gasmix, ascent_s_per_deco_step, entry->pressures.o2 * 1000, dive, prefs.decosac);
ascent_depth = next_stop;
next_stop -= deco_stepsize;
}
@@ -799,7 +799,7 @@ void calculate_deco_information(struct dive *dive, struct divecomputer *dc, stru
for (j = t0 + time_stepsize; j <= t1; j += time_stepsize) {
int depth = interpolate(entry[-1].depth, entry[0].depth, j - t0, t1 - t0);
double min_pressure = add_segment(depth_to_mbar(depth, dive) / 1000.0,
- &dive->cylinder[entry->cylinderindex].gasmix, time_stepsize, entry->pressures.o2 * 1000, dive);
+ &dive->cylinder[entry->cylinderindex].gasmix, time_stepsize, entry->pressures.o2 * 1000, dive, entry->sac);
tissue_tolerance = min_pressure;
if (j - t0 < time_stepsize)
time_stepsize = j - t0;
@@ -905,7 +905,7 @@ static void calculate_gas_information_new(struct dive *dive, struct plot_info *p
if ((dive->dc.dctype == CCR) && (cylinderindex == dive->oxygen_cylinder_index))
cylinderindex = dive->diluent_cylinder_index;
- fill_pressures(&entry->pressures, amb_pressure, &dive->cylinder[cylinderindex].gasmix, entry->pressures.o2);
+ fill_pressures(&entry->pressures, amb_pressure, &dive->cylinder[cylinderindex].gasmix, entry->pressures.o2, dive->dc.dctype, entry->sac);
/* Calculate MOD, EAD, END and EADD based on partial pressures calculated before
* so there is no difference in calculating between OC and CC
diff --git a/subsurfacestartup.c b/subsurfacestartup.c
index 4bdd7012d..22a41e4a6 100644
--- a/subsurfacestartup.c
+++ b/subsurfacestartup.c
@@ -45,6 +45,8 @@ struct preferences default_prefs = {
.drop_stone_mode = false,
.bottomsac = 20000,
.decosac = 17000,
+ .o2consumption = 1000,
+ .pscr_ratio = 100,
.show_pictures_in_profile = true,
.tankbar = false
};