Migrate F0V4 event loop logic to match F0V23, no change in functionality.

This commit is contained in:
sawinglogz 2019-10-04 15:10:08 -04:00
parent 1d805fd9bc
commit 027f82e0bb

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@ -3305,53 +3305,42 @@ bool PRS1DataChunk::ParseEventsF0V4(CPAPMode mode)
qWarning() << "ParseEventsF0V4 called with family" << this->family << "familyVersion" << this->familyVersion;
return false;
}
unsigned char code=0;
const unsigned char * data = (unsigned char *)this->m_data.constData();
int chunk_size = this->m_data.size();
static const QMap<int,int> event_sizes = { {0,4}, {2,4}, {3,4}, {0xb,4}, {0xd,2}, {0xe,5}, {0xf,5}, {0x10,5}, {0x11,5}, {0x12,4} };
if (chunk_size < 1) {
// This does occasionally happen in F0V6.
qDebug() << this->sessionid << "Empty event data";
return false;
}
bool ok = true;
int pos = 0, startpos;
int code, size;
int t = 0;
EventDataType data0, data1, data2;
Q_UNUSED(data2)
int cnt = 0;
short delta;
int pos;
int t = 0;
unsigned char lastcode3 = 0, lastcode2 = 0, lastcode = 0;
int lastpos = 0, startpos = 0, lastpos2 = 0, lastpos3 = 0;
int size = this->m_data.size();
CHECK_VALUE(this->fileVersion, 2);
unsigned char * data = (unsigned char *)this->m_data.data();
for (pos = 0; pos < size;) {
lastcode3 = lastcode2;
lastcode2 = lastcode;
lastcode = code;
lastpos3 = lastpos2;
lastpos2 = lastpos;
lastpos = startpos;
startpos = pos;
//int elapsed, duration, value;
do {
code = data[pos++];
if (code > 0x15) {
qDebug() << "Illegal PRS1 code " << hex << int(code) << " appeared at " << hex << startpos << "in" << this->sessionid;
qDebug() << "1: (" << hex << int(lastcode) << hex << lastpos << ")";
qDebug() << "2: (" << hex << int(lastcode2) << hex << lastpos2 << ")";
qDebug() << "3: (" << hex << int(lastcode3) << hex << lastpos3 << ")";
this->AddEvent(new PRS1UnknownDataEvent(m_data, startpos));
return false;
size = 3; // default size = 2 bytes time delta + 1 byte data
if (event_sizes.contains(code)) {
size = event_sizes[code];
}
if (code != 0x12) {
delta = data[pos + 1] << 8 | data[pos];
if (pos + size > chunk_size) {
qWarning() << this->sessionid << "event" << code << "@" << pos << "longer than remaining chunk";
ok = false;
break;
}
startpos = pos;
if (code != 0x12) { // This one event has no timestamp in F0V6
t += data[pos] | (data[pos+1] << 8);
pos += 2;
t += delta;
}
cnt++;
switch (code) {
case 0x00: // Unknown 00
this->AddEvent(new PRS1UnknownValueEvent(code, t, data[pos++]));
pos++; // TODO
@ -3491,16 +3480,22 @@ bool PRS1DataChunk::ParseEventsF0V4(CPAPMode mode)
break;
*/
default:
// ERROR!!!
qWarning() << "Some new fandangled PRS1 code detected in" << this->sessionid << hex
<< int(code) << " at " << pos - 1;
DUMP_EVENT();
UNEXPECTED_VALUE(code, "known event code");
this->AddEvent(new PRS1UnknownDataEvent(m_data, startpos));
return false;
ok = false; // unlike F0V6, we don't know the size of unknown slices, so we can't recover
break;
}
pos = startpos + size;
} while (ok && pos < chunk_size);
if (ok && pos != chunk_size) {
qWarning() << this->sessionid << (this->size() - pos) << "trailing event bytes";
}
this->duration = t;
return true;
return ok;
}