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-rw-r--r--core/divelist.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/core/divelist.c b/core/divelist.c
index 526b4f0b7..a62245954 100644
--- a/core/divelist.c
+++ b/core/divelist.c
@@ -109,12 +109,14 @@ static int calculate_otu(const struct dive *dive)
po2f = sample->o2sensor[0].mbar; // ... use data from the first o2 sensor
} else {
if (dc->divemode == CCR) {
- po2i = psample->setpoint.mbar; // if CCR has no o2 sensors then use setpoint
- po2f = sample->setpoint.mbar;
+ po2i = MIN((int) psample->setpoint.mbar,
+ depth_to_mbar(psample->depth.mm, dive)); // if CCR has no o2 sensors then use setpoint
+ po2f = MIN((int) sample->setpoint.mbar,
+ depth_to_mbar(sample->depth.mm, dive));
} else { // For OC and rebreather without o2 sensor/setpoint
int o2 = active_o2(dive, dc, psample->time); // ... calculate po2 from depth and FiO2.
- po2i = lrint(o2 * depth_to_atm(psample->depth.mm, dive)); // (initial) po2 at start of segment
- po2f = lrint(o2 * depth_to_atm(sample->depth.mm, dive)); // (final) po2 at end of segment
+ po2i = lrint(o2 * depth_to_bar(psample->depth.mm, dive)); // (initial) po2 at start of segment
+ po2f = lrint(o2 * depth_to_bar(sample->depth.mm, dive)); // (final) po2 at end of segment
}
}
if ((po2i > 500) || (po2f > 500)) { // If PO2 in segment is above 500 mbar then calculate otu
@@ -164,14 +166,16 @@ static double calculate_cns_dive(const struct dive *dive)
trueo2 = true;
}
if ((dc->divemode == CCR) && (!trueo2)) {
- po2i = psample->setpoint.mbar; // if CCR has no o2 sensors then use setpoint
- po2f = sample->setpoint.mbar;
+ po2i = MIN((int) psample->setpoint.mbar,
+ depth_to_mbar(psample->depth.mm, dive)); // if CCR has no o2 sensors then use setpoint
+ po2f = MIN((int) sample->setpoint.mbar,
+ depth_to_mbar(sample->depth.mm, dive));
trueo2 = true;
}
if (!trueo2) {
int o2 = active_o2(dive, dc, psample->time); // For OC and rebreather without o2 sensor:
- po2i = lrint(o2 * depth_to_atm(psample->depth.mm, dive)); // (initial) po2 at start of segment
- po2f = lrint(o2 * depth_to_atm(sample->depth.mm, dive)); // (final) po2 at end of segment
+ po2i = lrint(o2 * depth_to_bar(psample->depth.mm, dive)); // (initial) po2 at start of segment
+ po2f = lrint(o2 * depth_to_bar(sample->depth.mm, dive)); // (final) po2 at end of segment
}
po2i = (po2i + po2f) / 2; // po2i now holds the mean po2 of initial and final po2 values of segment.
/* Don't increase CNS when po2 below 500 matm */