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Code cleanup in SleepStyle loader

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Minor improvement to mask pressure averaging used in unintentional leak calculations.
  Fix Y2K calculation in unused code in sleepstle_EDFInfo.cpp
  Update Release Notes
This commit is contained in:
Guy Scharf 2021-10-05 20:18:19 -07:00
parent 03238360c2
commit 7bffd78203
3 changed files with 22 additions and 5 deletions
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9
Htmldocs/release_notes.html
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@ -11,6 +11,15 @@
<b>For other languages, go to:</b>
<br><a href=http://www.apneaboard.com/wiki/index.php/OSCAR_Release_Notes>http://www.apneaboard.com/wiki/index.php/OSCAR_Release_Notes</a></p>
<p>
<b>Changes and fixes in OSCAR v1.3.0 xxx.x</b>
<br>Portions of OSCAR are © 2019-2021 by
<i>The OSCAR Team</i></p>
<ul>
<li>---------- Fixes to previous fixes (do not include in final release notes) ---------</li>
<li>[ffx] Improvement to pressure averaging in SleepStyle unintentional leak calculation.</li>
<li>[ffx] Fix Y2K issue in unused SleepStyle EDF handling code.</li>
</ul>
<p>
<b>Changes and fixes in OSCAR v1.3.0 Beta 3</b>
<br>Portions of OSCAR are © 2019-2021 by
<i>The OSCAR Team</i></p>

3
oscar/SleepLib/loader_plugins/sleepstyle_EDFinfo.cpp
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@ -99,6 +99,9 @@ QDateTime SleepStyleEDFInfo::getStartDT( QString dateTimeStr )
// dateStr = dateTimeStr.left(8);
// timeStr = dateTimeStr.right(8);
qDate = QDate::fromString(dateTimeStr.left(8), "dd.MM.yy");
if (qDate.year() < 2000) {
qDate = qDate.addYears(100);
}
qTime = QTime::fromString(dateTimeStr.right(8), "HH.mm.ss");
return QDateTime(qDate, qTime, Qt::UTC);
}

15
oscar/SleepLib/loader_plugins/sleepstyle_loader.cpp
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@ -504,7 +504,7 @@ bool SleepStyleLoader::OpenRealTime(Machine *mach, const QString & fname, const
}
} else if (es.label == "Pressure") {
code = CPAP_MaskPressure;
// First compute CPAP_Leak data
maskRecs = es.sampleCnt * edf.GetNumDataRecords();
maskSignal = es;
float lpm = lpm20 - lpm4;
@ -517,11 +517,13 @@ bool SleepStyleLoader::OpenRealTime(Machine *mach, const QString & fname, const
for (int i = 0; i < maskRecs; i++) {
// Extract IPAP from mask pressure, which is a combination of IPAP and EPAP values
// get maximum mask pressure over next several data points to make best guess at IPAP
// get maximum mask pressure over several adjacent data points to make best guess at IPAP
float mp = es.dataArray[i];
for (int j = 1; j < 9; j++)
if (i < maskRecs-j)
mp = fmaxf(mp, es.dataArray[i+j]);
int jrange = 3; // Number on each side of center
int jstart = std::max(0, i-jrange);
int jend = (i+jrange)>maskRecs ? maskRecs : i+jrange;
for (int j = jstart; j < jend; j++)
mp = fmaxf(mp, es.dataArray[j]);
float press = mp * es.gain - 4.0; // Convert pressure to cmH2O and get difference from low end of adjustment curve
@ -556,6 +558,9 @@ bool SleepStyleLoader::OpenRealTime(Machine *mach, const QString & fname, const
delete [] leakarray;
}
// Now do normal processing for Mask Pressure
code = CPAP_MaskPressure;
} else if (es.label == "Leak") {
code = CPAP_LeakTotal;