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Split Viatom parsing from importing, no functional change.

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This commit is contained in:
sawinglogz 2020-01-24 15:20:00 -05:00
parent ae8ce0e9d6
commit 70de112192
2 changed files with 107 additions and 55 deletions
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137
oscar/SleepLib/loader_plugins/viatom_loader.cpp
View File

@ -51,90 +51,56 @@ ViatomLoader::OpenFile(const QString & filename)
Session* ViatomLoader::ParseFile(const QString & filename)
{
QFile file(filename);
if (!file.open(QFile::ReadOnly)) {
qDebug() << "Couldn't open Viatom data file" << filename;
return nullptr;
}
QByteArray data;
qint64 filesize = file.size();
data = file.readAll();
QDataStream in(data);
in.setByteOrder(QDataStream::LittleEndian);
quint16 sig;
quint16 Y;
quint8 m,d,H,M,S;
in >> sig >> Y >> m >> d >> H >> M >> S;
if (sig != 0x0003 ||
(Y < 2015 || Y > 2040) ||
(m < 1 || m > 12) ||
(d < 1 || d > 31) ||
( H > 23) ||
( M > 60) ||
( S > 61)) {
qDebug() << filename << "does not appear to be a Viatom data file";
ViatomFile v(file);
if (v.ParseHeader() == false) {
return nullptr;
}
QDateTime data_timestamp = QDateTime(QDate(Y, m, d), QTime(H, M, S));
quint64 time_s = data_timestamp.toTime_t();
quint64 time_ms = time_s * 1000L;
SessionID sid = time_s;
qDebug() << filename << "looks like a Viatom file, size" << filesize << "bytes signature" << sig
<< "start date/time" << data_timestamp << "(" << time_ms << ")";
in.skipRawData(41); // total 50 byte header, not sure what the rest is.
MachineInfo info = newInfo();
Machine *mach = p_profile->CreateMachine(info);
Session *sess = mach->SessionExists(sid);
Session *sess = mach->SessionExists(v.sessionid());
quint64 time_ms = v.timestamp();
QDateTime data_timestamp = QDateTime::fromMSecsSinceEpoch(time_ms);
if (!sess) {
qDebug() << "Session at" << data_timestamp << "not found...create new session" << sid;
sess = new Session(mach, sid);
qDebug() << "Session at" << data_timestamp << "not found...create new session" << v.sessionid();
sess = new Session(mach, v.sessionid());
sess->really_set_first(time_ms);
} else {
qDebug() << "Session" << sid << "found...add data to it";
qDebug() << "Session" << v.sessionid() << "found...add data to it";
}
EventList *ev_hr = sess->AddEventList(OXI_Pulse, EVL_Waveform, 1.0, 0.0, 0.0, 0.0, 2000.0);
EventList *ev_o2 = sess->AddEventList(OXI_SPO2, EVL_Waveform, 1.0, 0.0, 0.0, 0.0, 2000.0);
EventList *ev_mv = sess->AddEventList(POS_Motion, EVL_Waveform, 1.0, 0.0, 0.0, 0.0, 2000.0);
unsigned char o2, hr, x, motion;
unsigned char o2_ = 99, hr_ = 60, motion_ = 0;
unsigned n_rec = 0;
quint64 step = 2000; // records @ 2000ms (2 sec)
// Read all Pulse, SPO2 and Motion data
do {
in >> o2 >> hr >> x >> motion >> x;
QList<ViatomFile::Record> records = v.ReadData();
if (o2 < 50 || o2 > 100) o2 = o2_;
if (hr < 20 || hr > 200) hr = hr_;
if (motion > 200) motion = motion_;
// Import data
ViatomFile::Record prev = { 99, 60, 0, 0, 0 };
for (auto & rec : records) {
if (rec.spo2 < 50 || rec.spo2 > 100) rec.spo2 = prev.spo2;
if (rec.hr < 20 || rec.hr > 200) rec.hr = prev.hr;
if (rec.motion > 200) rec.motion = prev.motion;
sess->set_last(time_ms);
ev_hr->AddEvent(time_ms, hr);
ev_o2->AddEvent(time_ms, o2);
ev_mv->AddEvent(time_ms, motion);
ev_hr->AddEvent(time_ms, rec.hr);
ev_o2->AddEvent(time_ms, rec.spo2);
ev_mv->AddEvent(time_ms, rec.motion);
o2_ = o2;
hr_ = hr;
motion_ = motion;
prev = rec;
time_ms += step;
n_rec += 1;
} while (!in.atEnd());
}
qDebug() << "Read Viatom data from" << data_timestamp << "to" << (QDateTime::fromSecsSinceEpoch( time_ms / 1000L))
<< n_rec << "records"
<< records.count() << "records"
<< ev_mv->Min() << "<=Motion<=" << ev_mv->Max();
sess->setMin(OXI_Pulse, ev_hr->Min());
@ -171,3 +137,64 @@ ViatomLoader::Register()
}
}
// ===============================================================================================
ViatomFile::ViatomFile(QFile & file) : m_file(file)
{
}
bool ViatomFile::ParseHeader()
{
QByteArray data;
qint64 filesize = m_file.size();
data = m_file.read(50);
QDataStream in(data);
in.setByteOrder(QDataStream::LittleEndian);
quint16 sig;
quint16 Y;
quint8 m,d,H,M,S;
in >> sig >> Y >> m >> d >> H >> M >> S;
if (sig != 0x0003 ||
(Y < 2015 || Y > 2040) ||
(m < 1 || m > 12) ||
(d < 1 || d > 31) ||
( H > 23) ||
( M > 60) ||
( S > 61)) {
qDebug() << m_file.fileName() << "does not appear to be a Viatom data file";
return false;
}
QDateTime data_timestamp = QDateTime(QDate(Y, m, d), QTime(H, M, S));
m_timestamp = data_timestamp.toMSecsSinceEpoch();
m_id = m_timestamp / 1000L;
qDebug() << m_file.fileName() << "looks like a Viatom file, size" << filesize << "bytes signature" << sig
<< "start date/time" << data_timestamp << "(" << m_timestamp << ")";
return true;
}
QList<ViatomFile::Record> ViatomFile::ReadData()
{
QByteArray data = m_file.readAll();
QDataStream in(data);
in.setByteOrder(QDataStream::LittleEndian);
QList<ViatomFile::Record> records;
// Read all Pulse, SPO2 and Motion data
do {
ViatomFile::Record rec;
in >> rec.spo2 >> rec.hr >> rec._unk1 >> rec.motion >> rec._unk2;
records.append(rec);
} while (!in.atEnd());
return records;
}

25
oscar/SleepLib/loader_plugins/viatom_loader.h
View File

@ -46,4 +46,29 @@ class ViatomLoader : public MachineLoader
private:
};
class ViatomFile
{
public:
struct Record
{
unsigned char spo2;
unsigned char hr;
unsigned char _unk1;
unsigned char motion;
unsigned char _unk2;
};
ViatomFile(QFile & file);
~ViatomFile() = default;
bool ParseHeader();
QList<Record> ReadData();
SessionID sessionid() const { return m_id; }
quint64 timestamp() const { return m_timestamp; }
protected:
QFile & m_file;
quint64 m_timestamp;
SessionID m_id;
};
#endif // VIATOMLOADER_H