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Add more F0V6 events based on remaining 400X sample data.

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This commit is contained in:
sawinglogz 2019-08-05 21:37:19 -05:00
parent 64309f366a
commit 7dd891df31
1 changed files with 19 additions and 10 deletions
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29
oscar/SleepLib/loader_plugins/prs1_loader.cpp
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@ -3267,8 +3267,13 @@ bool PRS1DataChunk::ParseEventsF0V6(CPAPMode /*mode*/)
switch (code) {
case 1: // Pressure adjustment
// Matches pressure setting, both initial and when ramp button pressed.
// TODO: Have OSCAR treat EPAP adjustment events differently than (average?) stats below.
//this->AddEvent(new PRS1EPAPEvent(t, data[pos++]));
// TODO: Have OSCAR treat CPAP adjustment events differently than (average?) stats below.
// TODO: Based on waveform reports, it looks like the pressure graph is drawn by
// interpolating between these pressure adjustments, by 0.5 cmH2O spaced evenly between
// adjustments. E.g. 6 at 28:11 and 7.3 at 29:05 results in the following dots:
// 6 at 28:11, 6.5 around 28:30, 7.0 around 28:50, 7(.3) at 29:05. That holds until
// subsequent "adjustment" of 7.3 at 30:09 followed by 8.0 at 30:19.
this->AddEvent(new PRS1CPAPEvent(t, data[pos++]));
break;
/*
case 2: // Timed Breath
@ -3331,15 +3336,14 @@ bool PRS1DataChunk::ParseEventsF0V6(CPAPMode /*mode*/)
elapsed = data[pos++]; // based on sample waveform, the hypopnea is over after this
this->AddEvent(new PRS1HypopneaEvent(t - elapsed, 0));
break;
/*
case 0x08: // Flow Limitation
case 0x0c: // Flow Limitation
// TODO: We should revisit whether this is elapsed or duration once (if)
// we start calculating flow limitations ourselves. Flow limitations aren't
// as obvious as OA/CA when looking at a waveform.
elapsed = data[pos++];
this->AddEvent(new PRS1FlowLimitationEvent(t - elapsed, 0));
break;
case 0x09: // Vibratory Snore
case 0x0d: // 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
@ -3347,7 +3351,6 @@ bool PRS1DataChunk::ParseEventsF0V6(CPAPMode /*mode*/)
// no data bytes
this->AddEvent(new PRS1VibratorySnoreEvent(t, 0));
break;
*/
case 0x0e: // ???
// 5 bytes like PB and LL, but what is it?
duration = 2 * (data[pos] | (data[pos+1] << 8)); // this looks like a 16-bit value, so may be duration like PB?
@ -3370,6 +3373,9 @@ bool PRS1DataChunk::ParseEventsF0V6(CPAPMode /*mode*/)
elapsed = data[pos++];
this->AddEvent(new PRS1LargeLeakEvent(t - elapsed - duration, duration));
break;
case 0x0a: // Hypopnea
// TODO: Why does this hypopnea have a different event code?
// fall through
case 0x14: // Hypopnea
// TODO: Why does this hypopnea have a different event code?
// fall through
@ -3388,11 +3394,14 @@ bool PRS1DataChunk::ParseEventsF0V6(CPAPMode /*mode*/)
this->AddEvent(new PRS1UnknownDataEvent(m_data, startpos-1, size+1));
break;
*/
case 0x12: // Summary
case 0x12: // Snore count per pressure
// Some sessions (with lots of ramps) have multiple of these, each with a
// different pressure. The total snore count across all of them matches the
// total found in the stats event.
CHECK_VALUE(data[pos], 0);
CHECK_VALUE(data[pos+1], 0x78); // pressure?
//CHECK_VALUE(data[pos+2], 1); // Total snore count
CHECK_VALUE(data[pos+3], 0);
//CHECK_VALUE(data[pos+1], 0x78); // pressure
//CHECK_VALUE(data[pos+2], 1); // 16-bit snore count
//CHECK_VALUE(data[pos+3], 0);
break;
default:
qWarning() << "Unknown event:" << code << "in" << this->sessionid << "at" << startpos-1;