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Add comments to 900X parsing based on sample review and discussions.

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This commit is contained in:
sawinglogz 2019-06-17 17:33:39 -04:00
parent a7f249218f
commit 264ff2f2fa
1 changed files with 32 additions and 7 deletions
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39
oscar/SleepLib/loader_plugins/prs1_loader.cpp
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@ -1601,7 +1601,7 @@ bool PRS1Import::ParseF5EventsFV3()
EventList *MV = session->AddEventList(CPAP_MinuteVent, EVL_Event);
EventList *PB = session->AddEventList(CPAP_PB, EVL_Event);
EventList *PTB = session->AddEventList(CPAP_PTB, EVL_Event);
EventList *TB = session->AddEventList(PRS1_TimedBreath, EVL_Event);
EventList *TB = session->AddEventList(PRS1_TimedBreath, EVL_Event, 0.1F); // TODO: a gain of 0.1 should affect display, but it doesn't
EventList *IPAP = session->AddEventList(CPAP_IPAP, EVL_Event, GAIN);
EventList *EPAP = session->AddEventList(CPAP_EPAP, EVL_Event, GAIN);
EventList *PS = session->AddEventList(CPAP_PS, EVL_Event, GAIN);
@ -1659,7 +1659,7 @@ bool PRS1Import::ParseF5EventsFV3()
// they can express durations less than 1 second.
// TODO: consider allowing OSCAR to record millisecond durations so that the display will say "2.1" instead of "21" or "2".
duration = e->m_duration * 100L; // for now do this here rather than in parser, since parser events don't use milliseconds
TB->AddEvent(t - duration, e->m_duration);
TB->AddEvent(t - duration, e->m_duration * 0.1F); // TODO: a gain of 0.1 should render this unnecessary, but gain doesn't seem to work currently
break;
case PRS1ObstructiveApneaEvent::TYPE:
OA->AddEvent(t, e->m_duration);
@ -1694,12 +1694,21 @@ bool PRS1Import::ParseF5EventsFV3()
}
break;
case PRS1SnoreEvent::TYPE: // snore count that shows up in flags but not waveform
// TODO: The numeric snore graph is the right way to present this information,
// but it needs to be shifted left 2 minutes, since it's not a starting value
// but a past statistic.
SNORE->AddEvent(t, e->m_value);
if (e->m_value > 0) {
// TODO: currently these get drawn on our waveforms, but they probably shouldn't,
// since they don't have a precise timestamp. They should continue to be drawn
// on the flags overview.
VS2->AddEvent(t, 0);
}
break;
case PRS1VibratorySnoreEvent::TYPE: // real VS marker on waveform
// TODO: These don't need to be drawn separately on the flag overview, since
// they're presumably included in the overall snore count statistic. They should
// continue to be drawn on the waveform, due to their precise timestamp.
VS->AddEvent(t, 0);
break;
case PRS1RespiratoryRateEvent::TYPE:
@ -1939,7 +1948,11 @@ bool PRS1DataChunk::ParseEventsF5V3(void)
//this->AddEvent(new PRS1EPAPEvent(t, data[pos++], GAIN));
break;
case 2: // Timed Breath
this->AddEvent(new PRS1TimedBreathEvent(t, data[pos++])); // TODO: what is value? maybe target breath duration in 5Hz samples? look at zoomed in pressure graph
// TB events have a duration in 0.1s, based on the review of pressure waveforms.
// TODO: Ideally the starting time here would be adjusted here, but PRS1ParsedEvents
// currently assume integer seconds rather than ms, so that's done at import.
duration = data[pos++];
this->AddEvent(new PRS1TimedBreathEvent(t, duration)); // TODO: what is value? maybe target breath duration in 5Hz samples? look at zoomed in pressure graph
break;
case 3: // Statistics
// These appear every 2 minutes, so presumably summarize the preceding period.
@ -1951,16 +1964,22 @@ bool PRS1DataChunk::ParseEventsF5V3(void)
this->AddEvent(new PRS1PatientTriggeredBreathsEvent(t, data[pos++])); // 05=Patient Triggered Breaths (average?)
this->AddEvent(new PRS1MinuteVentilationEvent(t, data[pos++])); // 06=Minute Ventilation (average?)
this->AddEvent(new PRS1TidalVolumeEvent(t, data[pos++])); // 07=Tidal Volume (average?)
this->AddEvent(new PRS1SnoreEvent(t, data[pos++])); // 08=Snore (count?) TODO: not a VS on official waveform, but appears in flags and contributes to overall VS index
this->AddEvent(new PRS1SnoreEvent(t, data[pos++])); // 08=Snore count // TODO: not a VS on official waveform, but appears in flags and contributes to overall VS index
this->AddEvent(new PRS1EPAPEvent(t, data[pos++], GAIN)); // 09=EPAP (average? see event 1 above)
//data0 = data[pos++]; // 0A = ??? TODO: what is this? should probably graph it as a test channel
break;
//case 0x04: // TODO: find sample
case 0x05: // Obstructive Apnea
// OA events are instantaneous flags with no duration: reviewing waveforms
// shows that the time elapsed between the flag and reporting often includes
// non-apnea breathing.
elapsed = data[pos++];
this->AddEvent(new PRS1ObstructiveApneaEvent(t - elapsed, 0));
break;
case 0x06: // Clear Airway Apnea
// CA events are instantaneous flags with no duration: reviewing waveforms
// shows that the time elapsed between the flag and reporting often includes
// non-apnea breathing.
elapsed = data[pos++];
this->AddEvent(new PRS1ClearAirwayEvent(t - elapsed, 0));
break;
@ -1970,16 +1989,22 @@ bool PRS1DataChunk::ParseEventsF5V3(void)
this->AddEvent(new PRS1FlowLimitationEvent(t - duration, duration));
break;
case 0x09: // Vibratory Snore
// VS events are instantaneous flags with no duration, drawn on the official waveform.
// The current thinking is that these are the snores that cause a change in auto-titrating
// pressure. The snoring statistic above seems to be a total count. It's unclear whether
// the trigger for pressure change is severity or count or something else.
// no data bytes
this->AddEvent(new PRS1VibratorySnoreEvent(t, 0)); // TODO: this is different than the snore stat above, corresponds to VS on official waveform?
this->AddEvent(new PRS1VibratorySnoreEvent(t, 0));
break;
case 0x0a: // Periodic Breathing
// PB events are reported some time after they conclude, and they do have a reported duration.
duration = 2 * (data[pos] | (data[pos+1] << 8));
pos += 2;
elapsed = data[pos++];
this->AddEvent(new PRS1PeriodicBreathingEvent(t - elapsed - duration, duration));
break;
case 0x0b: // Large Leak
// LL events are reported some time after they conclude, and they do have a reported duration.
duration = 2 * (data[pos] | (data[pos+1] << 8));
pos += 2;
elapsed = data[pos++];
@ -1987,7 +2012,7 @@ bool PRS1DataChunk::ParseEventsF5V3(void)
break;
//case 0x0d: // TODO: find sample
case 0x0e: // Hypopnea
duration = data[pos++]; // TODO: is this really duration, or is it time elapsed since a FL marker?
duration = data[pos++]; // TODO: is this really duration, or is it time elapsed since a HY marker?
this->AddEvent(new PRS1HypopneaEvent(t - duration, duration));
break;
//case 0x0f: // TODO: find sample
@ -6161,7 +6186,7 @@ void PRS1Loader::initChannels()
QObject::tr("Timed Breath"),
QObject::tr("Machine Initiated Breath"),
QObject::tr("TB"),
STR_UNIT_Unknown,
STR_UNIT_Seconds,
DEFAULT, QColor("black")));
}