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OSCAR-code/SleepLib/loader_plugins/prs1_loader.cpp

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/*
SleepLib PRS1 Loader Implementation
Author: Mark Watkins <jedimark64@users.sourceforge.net>
License: GPL
*/
#include <QApplication>
#include <QString>
#include <QDateTime>
#include <QDir>
#include <QFile>
#include <QMessageBox>
#include <QProgressBar>
#include <QDebug>
#include <cmath>
#include "SleepLib/schema.h"
#include "prs1_loader.h"
#include "SleepLib/session.h"
const int PRS1_MAGIC_NUMBER=2;
const int PRS1_SUMMARY_FILE=1;
const int PRS1_EVENT_FILE=2;
const int PRS1_WAVEFORM_FILE=5;
//********************************************************************************************
/// IMPORTANT!!!
//********************************************************************************************
// Please INCREMENT the prs1_data_version in prs1_loader.h when making changes to this loader
// that change loader behaviour or modify channels.
//********************************************************************************************
extern QProgressBar *qprogress;
QHash<int,QString> ModelMap;
typedef quint16 crc_t;
static const crc_t crc_table[256] = {
0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
};
crc_t CRC16(const unsigned char *data, size_t data_len)
{
crc_t crc=0;
unsigned int tbl_idx;
while (data_len--) {
tbl_idx = (crc ^ *data) & 0xff;
crc = (crc_table[tbl_idx] ^ (crc >> 8)) & 0xffff;
data++;
}
return crc & 0xffff;
}
PRS1::PRS1(Profile *p,MachineID id):CPAP(p,id)
{
m_class=prs1_class_name;
properties["Brand"]="Philips Respironics";
properties["Model"]="System One";
}
PRS1::~PRS1()
{
}
PRS1Loader::PRS1Loader()
{
//genCRCTable();
m_buffer=NULL;
}
PRS1Loader::~PRS1Loader()
{
for (QHash<QString,Machine *>::iterator i=PRS1List.begin(); i!=PRS1List.end(); i++) {
delete i.value();
}
}
Machine *PRS1Loader::CreateMachine(QString serial,Profile *profile)
{
if (!profile)
return NULL;
qDebug() << "Create Machine " << serial;
QList<Machine *> ml=profile->GetMachines(MT_CPAP);
bool found=false;
QList<Machine *>::iterator i;
for (i=ml.begin(); i!=ml.end(); i++) {
if (((*i)->GetClass()=="PRS1") && ((*i)->properties["Serial"]==serial)) {
PRS1List[serial]=*i; //static_cast<CPAP *>(*i);
found=true;
break;
}
}
if (found) return *i;
//assert(PRS1List.find(serial)==PRS1List.end())
Machine *m=new PRS1(profile,0);
PRS1List[serial]=m;
profile->AddMachine(m);
m->properties["Serial"]=serial;
return m;
}
bool isdigit(QChar c)
{
if ((c>='0') && (c<='9')) return true;
return false;
}
int PRS1Loader::Open(QString & path,Profile *profile)
{
QString newpath,pseries="P-Series";
qDebug() << "PRS1Loader::Open path=" << newpath;
if (path.endsWith(QDir::separator()+pseries)) {
newpath=path;
} else {
newpath=path+QDir::separator()+pseries;
}
QDir dir(newpath);
if ((!dir.exists() || !dir.isReadable()))
return 0;
dir.setFilter(QDir::NoDotAndDotDot | QDir::Dirs | QDir::Files | QDir::Hidden | QDir::NoSymLinks);
dir.setSorting(QDir::Name);
QFileInfoList flist=dir.entryInfoList();
QList<QString> SerialNumbers;
QList<QString>::iterator sn;
for (int i=0;i<flist.size();i++) {
QFileInfo fi=flist.at(i);
QString filename=fi.fileName();
if ((filename[0]=='P') && (isdigit(filename[1])) && (isdigit(filename[2]))) {
SerialNumbers.push_back(filename);
} else if (filename.toLower()=="last.txt") { // last.txt points to the current serial number
QString file=fi.canonicalFilePath();
QFile f(file);
if (!fi.isReadable()) {
qDebug() << "PRS1Loader: last.txt exists but I couldn't read it!";
continue;
}
if (!f.open(QIODevice::ReadOnly)) {
qDebug() << "PRS1Loader: last.txt exists but I couldn't open it!";
continue;
}
last=f.readLine(64);
last=last.trimmed();
f.close();
}
}
if (SerialNumbers.empty()) return 0;
m_buffer=new unsigned char [max_load_buffer_size]; //allocate once and reuse.
Machine *m;
for (sn=SerialNumbers.begin(); sn!=SerialNumbers.end(); sn++) {
QString s=*sn;
m=CreateMachine(s,profile);
try {
if (m) OpenMachine(m,newpath+QDir::separator()+(*sn),profile);
} catch(OneTypePerDay e) {
profile->DelMachine(m);
PRS1List.erase(PRS1List.find(s));
QMessageBox::warning(NULL,"Import Error","This Machine Record cannot be imported in this profile.\nThe Day records overlap with already existing content.",QMessageBox::Ok);
delete m;
}
}
delete [] m_buffer;
return PRS1List.size();
}
bool PRS1Loader::ParseProperties(Machine *m,QString filename)
{
QFile f(filename);
if (!f.open(QIODevice::ReadOnly))
return false;
QString line;
QHash<QString,QString> prop;
QString s=f.readLine();
QChar sep='=';
QString key,value;
while (!f.atEnd()) {
key=s.section(sep,0,0); //BeforeFirst(sep);
if (key==s) continue;
value=s.section(sep,1).trimmed(); //AfterFirst(sep).Strip();
if (value==s) continue;
prop[key]=value;
s=f.readLine();
}
bool ok;
QString pt=prop["ProductType"];
int i=pt.toInt(&ok,16);
if (ok) {
if (ModelMap.find(i)!=ModelMap.end()) {
m->properties["SubModel"]=ModelMap[i];
}
}
if (prop["SerialNumber"]!=m->properties["Serial"]) {
qDebug() << "Serial Number in PRS1 properties.txt doesn't match directory structure";
} else prop.erase(prop.find("SerialNumber")); // already got it stored.
for (QHash<QString,QString>::iterator i=prop.begin(); i!=prop.end(); i++) {
m->properties[i.key()]=i.value();
}
f.close();
return true;
}
int PRS1Loader::OpenMachine(Machine *m,QString path,Profile *profile)
{
qDebug() << "Opening PRS1 " << path;
QDir dir(path);
if (!dir.exists() || (!dir.isReadable()))
return false;
dir.setFilter(QDir::NoDotAndDotDot | QDir::Dirs | QDir::Files | QDir::Hidden | QDir::NoSymLinks);
dir.setSorting(QDir::Name);
QFileInfoList flist=dir.entryInfoList();
QString filename;
if (qprogress) qprogress->setValue(0);
QList<QString> paths;
for (int i=0;i<flist.size();i++) {
QFileInfo fi=flist.at(i);
filename=fi.fileName();
if ((filename[0].toLower()=='p') && (isdigit(filename[1]))) {
paths.push_back(fi.canonicalFilePath());
} else if (filename.toLower()=="properties.txt") {
ParseProperties(m,fi.canonicalFilePath());
} else if (filename.toLower()=="e") {
// don't really give a crap about .004 files yet.
}
//if (qprogress) qprogress->Pulse();
}
SessionID session;
long ext;
typedef QVector<QString> StringList;
QMap<SessionID,StringList> sessfiles;
int size=paths.size();
int cnt=0;
bool ok;
for (QList<QString>::iterator p=paths.begin(); p!=paths.end(); p++) {
dir.setPath(*p);
if (!dir.exists() || !dir.isReadable()) continue;
flist=dir.entryInfoList();
for (int i=0;i<flist.size();i++) {
QFileInfo fi=flist.at(i);
QString ext_s=fi.fileName().section(".",-1);
QString session_s=fi.fileName().section(".",0,-2);
ext=ext_s.toLong(&ok);
if (!ok) continue;
session=session_s.toLong(&ok);
if (!ok) continue;
if (sessfiles[session].capacity()==0) sessfiles[session].resize(3);
if (ext==1) {
sessfiles[session][0]=fi.canonicalFilePath();
} else if (ext==2) {
sessfiles[session][1]=fi.canonicalFilePath();
} else if (ext==5) {
sessfiles[session][2]=fi.canonicalFilePath();
}
cnt++;
if (qprogress) qprogress->setValue((float(cnt)/float(size)*33.0));
QApplication::processEvents();
}
}
size=sessfiles.size();
if (size==0)
return 0;
cnt=0;
for (QMap<SessionID,StringList>::iterator s=sessfiles.begin(); s!=sessfiles.end(); s++) {
session=s.key();
cnt++;
if (qprogress) qprogress->setValue(33.0+(float(cnt)/float(size)*33.0));
QApplication::processEvents();
if (m->SessionExists(session)) continue;
if (s.value()[0].isEmpty()) continue;
Session *sess=new Session(m,session);
if (!OpenSummary(sess,s.value()[0])) {
//qWarning() << "PRS1Loader: Dodgy summary file " << s.value()[0];
delete sess;
continue;
}
//sess->SetSessionID(sess->start().GetTicks());
if (!s.value()[1].isEmpty()) {
if (!OpenEvents(sess,s.value()[1])) {
qWarning() << "PRS1Loader: Couldn't open event file " << s.value()[1];
}
}
if (!s.value()[2].isEmpty()) {
if (!OpenWaveforms(sess,s.value()[2])) {
qWarning() << "PRS1Loader: Couldn't open event file " << s.value()[2];
}
}
if ((sess->last() - sess->first()) == 0) {
//const double ignore_thresh=300.0/3600.0;// Ignore useless sessions under 5 minute
//if (sess->hours()<=ignore_thresh) {
qDebug() << "Ignoring empty session" << session;// << "which is only" << (sess->hours()*60.0) << "minute(s) long";
delete sess;
continue;
}
if (sess->count(CPAP_IPAP)>0) {
//sess->summaryCPAP_Mode]!=MODE_ASV)
sess->settings[CPAP_Mode]=MODE_BIPAP;
if (sess->settings[PRS1_FlexMode].toInt()!=PR_NONE) {
sess->settings[PRS1_FlexMode]=PR_BIFLEX;
}
sess->setAvg(CPAP_Pressure,(sess->avg(CPAP_EPAP)+sess->avg(CPAP_IPAP))/2.0);
sess->setWavg(CPAP_Pressure,(sess->wavg(CPAP_EPAP)+sess->wavg(CPAP_IPAP))/2.0);
sess->setMin(CPAP_Pressure,sess->min(CPAP_EPAP));
sess->setMax(CPAP_Pressure,sess->max(CPAP_IPAP));
sess->set90p(CPAP_Pressure,(sess->p90(CPAP_IPAP)+sess->p90(CPAP_EPAP))/2.0);
//sess->p90(CPAP_EPAP);
//sess->p90(CPAP_IPAP);
} else {
//sess->avg(CPAP_Pressure);
//sess->wavg(CPAP_Pressure);
//sess->p90(CPAP_Pressure);
//sess->min(CPAP_Pressure);
//sess->max(CPAP_Pressure);
//sess->cph(CPAP_Pressure);
if (!sess->settings.contains(CPAP_PressureMin)) {
sess->settings[CPAP_BrokenSummary]=true;
//sess->set_last(sess->first());
if (sess->min(CPAP_Pressure)==sess->max(CPAP_Pressure)) {
sess->settings[CPAP_Mode]=MODE_CPAP; // no ramp
} else {
sess->settings[CPAP_Mode]=MODE_UNKNOWN;
}
//sess->Set("FlexMode",PR_UNKNOWN);
}
}
if (sess->settings[CPAP_Mode]==MODE_CPAP) {
sess->settings[CPAP_PressureMax]=sess->settings[CPAP_PressureMin];
}
//Printf(sess->start().Format()+wxT(" avgsummary=%.3f avgmine=%.3f\n"),sess->summary[CPAP_PressureAverage].GetDouble(),sess->weighted_avg_event_field(CPAP_Pressure,0));
sess->SetChanged(true);
m->AddSession(sess,profile);
}
QString s;
s.sprintf("%i",prs1_data_version);
m->properties["DataVersion"]=s;
m->Save(); // Save any new sessions to disk in our format */
if (qprogress) qprogress->setValue(100);
//qDebug() << "OpenMachine Done";
return true;
}
//bool PRS1Loader::OpenMachine()
//{
//}
bool PRS1Loader::OpenSummary(Session *session,QString filename) // Read .001 file
{
int size,seconds,br,htype,version,sequence;
qint64 timestamp;
unsigned char header[24];
unsigned char ext,sum;
//qDebug() << "Opening PRS1 Summary " << filename;
QFile f(filename);
if (!f.open(QIODevice::ReadOnly))
return false;
if (!f.exists())
return false;
int hl=16;
br=f.read((char *)header,hl);
if (header[0]!=PRS1_MAGIC_NUMBER)
return false;
sequence=size=timestamp=seconds=ext=0;
sequence=(header[10] << 24) | (header[9] << 16) | (header[8] << 8) | header[7];
timestamp=(header[14] << 24) | (header[13] << 16) | (header[12] << 8) | header[11];
size=(header[2] << 8) | header[1];
ext=header[6];
htype=header[3]; // 00 = normal // 01=waveform // could be a bool?
version=header[4];
sequence=sequence;
version=version; // don't need it here?
htype=htype; // shut the warning up.. this is useless.
if (ext!=PRS1_SUMMARY_FILE)
return false;
size-=(hl+2);
// Calculate header checksum and compare to verify header
sum=0;
for (int i=0; i<hl-1; i++) sum+=header[i];
if (sum!=header[hl-1])
return false;
if (size<=19) {
// qDebug() << "Ignoring short session file " << filename;
return false;
}
qint64 date=timestamp*1000;
//memset(m_buffer,0,size);
unsigned char * buffer=m_buffer;
br=f.read((char *)buffer,size);
if (br<size) {
return false;
}
unsigned char crcbytes[2];
if (f.read((char *)crcbytes,2)!=2) {
qDebug() << "No ending CRC bytes in" << filename;
}
quint16 crc=(crcbytes[1] << 8) | crcbytes[0];
quint16 c16=CRC16(buffer,size);
if (crc!=c16) {
qDebug() << "Summary CRC check failed, wanted" << crc << "got" << c16;
}
if (size<0x30)
return true;
session->set_first(date);
double max;
session->settings[CPAP_PressureMin]=(EventDataType)buffer[0x03]/10.0;
session->settings[CPAP_PressureMax]=max=(EventDataType)buffer[0x04]/10.0;
int offset=0;
if (buffer[0x05]!=0) { // This is a time value for ASV stuff
// non zero adds extra fields..
offset=4;
}
session->settings[CPAP_RampTime]=(int)buffer[offset+0x06]; // Minutes. Convert to seconds/hours here?
session->settings[CPAP_RampPressure]=(EventDataType)buffer[offset+0x07]/10.0;
if (max>0) { // Ignoring bipap until I see some more data.
session->settings[CPAP_Mode]=(int)MODE_APAP;
} else session->settings[CPAP_Mode]=(int)MODE_CPAP;
// This is incorrect..
if (buffer[offset+0x08] & 0x80) { // Flex Setting
if (buffer[offset+0x08] & 0x08) {
if (max>0) session->settings[PRS1_FlexMode]=(int)PR_AFLEX;
else session->settings[PRS1_FlexMode]=(int)PR_CFLEXPLUS;
} else session->settings[PRS1_FlexMode]=(int)PR_CFLEX;
} else session->settings[PRS1_FlexMode]=(int)PR_NONE;
session->settings["FlexSet"]=(int)buffer[offset+0x08] & 3;
session->settings["HumidSet"]=(int)buffer[offset+0x09]&0x0f;
session->settings["HumidStat"]=(buffer[offset+0x09]&0x80)==0x80;
session->settings["SysLock"]=(buffer[offset+0x0a]&0x80)==0x80;
session->settings["SysOneResistStat"]=(buffer[offset+0x0a]&0x40)==0x40;
session->settings["SysOneResistSet"]=(int)buffer[offset+0x0a]&7;
session->settings["HoseDiam"]=((buffer[offset+0x0a]&0x08)?"15mm":"22mm");
session->settings["AutoOff"]=(buffer[offset+0x0c]&0x10)==0x10;
session->settings["MaskAlert"]=(buffer[offset+0x0c]&0x08)==0x08;
session->settings["ShowAHI"]=(buffer[offset+0x0c]&0x04)==0x04;
unsigned duration=buffer[offset+0x14] | (buffer[0x15] << 8);
//session->settings[CPAP_Duration]=(int)duration;
//qDebug() << "ID: " << session->session() << " " << duration;
//float hours=float(duration)/3600.0;
//session->set_hours(hours);
if (!duration)
return false;
session->set_last(date+qint64(duration)*1000L);
//session->settings[PRS1_PressureMinAchieved]=buffer[offset+0x16]/10.0;
//session->settings[PRS1_PressureMaxAchieved]=buffer[offset+0x17]/10.0;
//session->settings[PRS1_PressureAvg]=buffer[offset+0x18]/10.0;
//session->settings[PRS1_Pressure90]=buffer[offset+0x19]/10.0;
if (max==0) {
// session->settings[PRS1_PressureAvg]=session->settings[PRS1_PressureMin];
}
// Not using these because sometimes this summary is broken.
/*/if (size==0x4d) {
session->settings[CPAP_Obstructive]=(int)buffer[offset+0x1C] | (buffer[offset+0x1D] << 8);
session->settings[CPAP_ClearAirway]=(int)buffer[offset+0x20] | (buffer[offset+0x21] << 8);
session->settings[CPAP_Hypopnea]=(int)buffer[offset+0x2A] | (buffer[offset+0x2B] << 8);
session->settings[CPAP_RERA]=(int)buffer[offset+0x2E] | (buffer[offset+0x2F] << 8);
session->settings[CPAP_FlowLimit]=(int)buffer[offset+0x30] | (buffer[offset+0x31] << 8);
}*/
return true;
}
// v2 event parser.
bool PRS1Loader::Parse002(Session *session,unsigned char *buffer,int size,qint64 timestamp)
{
/*ChannelID Codes[]={
PRS1_Unknown00, PRS1_Unknown01, CPAP_Pressure, CPAP_EPAP, CPAP_PressurePulse, CPAP_RERA, CPAP_Obstructive, CPAP_ClearAirway,
PRS1_Unknown08, PRS1_Unknown09, CPAP_Hypopnea, PRS1_Unknown0B, CPAP_FlowLimit, CPAP_VSnore, PRS1_Unknown0E, CPAP_CSR, PRS1_Unknown10,
CPAP_LeakTotal, PRS1_Unknown12
};
int ncodes=sizeof(Codes)/sizeof(ChannelID); */
//QHash<ChannelID,EventList *> Code;
EventList * Code[0x20]={NULL};
EventDataType data[10];
session->updateFirst(timestamp);
//qint64 start=timestamp;
qint64 t=timestamp;
qint64 tt;
int pos=0;
int cnt=0;
short delta;
int tdata;
while (pos<size) {
unsigned char code=buffer[pos++];
if (code>0x12) {
qDebug() << "Illegal PRS1 code " << hex << int(code) << " appeared at " << hex << pos+16;
return false;
}
delta=0;
if (code!=0x12) {
delta=buffer[pos+1] << 8 | buffer[pos];
pos+=2;
t+=qint64(delta)*1000L;
tt=t;
}
cnt++;
switch (code) {
case 0x00: // Unknown 00
if (!Code[0]) {
if (!(Code[0]=session->AddEventList(PRS1_00,EVL_Event))) return false;
}
Code[0]->AddEvent(t,buffer[pos++]);
break;
case 0x01: // Unknown
if (!Code[1]) {
if (!(Code[1]=session->AddEventList(PRS1_01,EVL_Event))) return false;
}
Code[1]->AddEvent(t,0);
break;
case 0x02: // Pressure
if (!Code[2]) {
Code[2]=session->AddEventList(CPAP_Pressure,EVL_Event,0.1);
if (!Code[2]) return false;
}
Code[2]->AddEvent(t,buffer[pos++]);
break;
case 0x03: // BIPAP Pressure
if (!Code[3]) {
if (!(Code[3]=session->AddEventList(CPAP_EPAP,EVL_Event,0.1))) return false;
if (!(Code[4]=session->AddEventList(CPAP_IPAP,EVL_Event,0.1))) return false;
if (!(Code[5]=session->AddEventList(CPAP_PS,EVL_Event,0.1))) return false;
}
Code[3]->AddEvent(t,data[0]=buffer[pos++]);
Code[4]->AddEvent(t,data[1]=buffer[pos++]);
Code[5]->AddEvent(t,data[1]-data[0]);
break;
case 0x04: // Pressure Pulse
if (!Code[6]) {
if (!(Code[6]=session->AddEventList(CPAP_PressurePulse,EVL_Event))) return false;
}
Code[6]->AddEvent(t,buffer[pos++]);
//qDebug() << hex << data[0];
break;
case 0x05: // RERA
data[0]=buffer[pos++];
tt=t-(qint64(data[0])*1000L);
if (!Code[7]) {
if (!(Code[7]=session->AddEventList(CPAP_RERA,EVL_Event))) return false;
}
Code[7]->AddEvent(tt,data[0]);
break;
case 0x06: // Obstructive Apoanea
data[0]=buffer[pos++];
tt=t-(qint64(data[0])*1000L);
if (!Code[8]) {
if (!(Code[8]=session->AddEventList(CPAP_Obstructive,EVL_Event))) return false;
}
Code[8]->AddEvent(tt,data[0]);
break;
case 0x07: // Clear Airway
data[0]=buffer[pos++];
tt=t-(qint64(data[0])*1000L);
if (!Code[9]) {
if (!(Code[9]=session->AddEventList(CPAP_ClearAirway,EVL_Event))) return false;
}
Code[9]->AddEvent(tt,data[0]);
break;
case 0x0a: // Hypopnea
data[0]=buffer[pos++];
tt=t-(qint64(data[0])*1000L);
if (!Code[10]) {
if (!(Code[10]=session->AddEventList(CPAP_Hypopnea,EVL_Event))) return false;
}
Code[10]->AddEvent(tt,data[0]);
break;
case 0x0c: // Flow Limitation
data[0]=buffer[pos++];
tt=t-(qint64(data[0])*1000L);
if (!Code[11]) {
if (!(Code[11]=session->AddEventList(CPAP_FlowLimit,EVL_Event))) return false;
}
Code[11]->AddEvent(tt,data[0]);
break;
case 0x0b: // Hypopnea related code
data[0]=buffer[pos++];
data[1]=buffer[pos++];
if (!Code[12]) {
if (!(Code[12]=session->AddEventList(PRS1_0B,EVL_Event))) return false;
}
// FIXME
Code[12]->AddEvent(t,data[0]);
break;
case 0x0d: // Vibratory Snore
if (!Code[13]) {
if (!(Code[13]=session->AddEventList(CPAP_VSnore,EVL_Event))) return false;
}
Code[13]->AddEvent(t,0);
break;
case 0x11: // Leak Rate & Snore Graphs
data[0]=buffer[pos++];
data[1]=buffer[pos++];
if (!Code[14]) {
if (!(Code[14]=session->AddEventList(CPAP_LeakTotal,EVL_Event))) return false;
if (!(Code[15]=session->AddEventList(CPAP_Snore,EVL_Event))) return false;
}
Code[14]->AddEvent(t,data[0]);
Code[15]->AddEvent(t,data[1]);
if (data[1]>0) {
if (!Code[16]) {
if (!(Code[16]=session->AddEventList(CPAP_VSnore2,EVL_Event))) return false;
}
Code[16]->AddEvent(t,data[1]);
}
break;
case 0x0e: // Unknown
data[0]=((char *)buffer)[pos++];
data[1]=buffer[pos++]; //(buffer[pos+1] << 8) | buffer[pos];
//data[0]/=10.0;
//pos+=2;
data[2]=buffer[pos++];
if (!Code[17]) {
if (!(Code[17]=session->AddEventList(PRS1_0E,EVL_Event))) return false;
}
tdata=unsigned(data[1]) << 8 | unsigned(data[0]);
Code[17]->AddEvent(t,tdata);
//qDebug() << hex << data[0] << data[1] << data[2];
//session->AddEvent(new Event(t,cpapcode, 0, data, 3));
//tt-=data[1]*1000;
//session->AddEvent(new Event(t,CPAP_CSR, data, 2));
break;
case 0x10: // Unknown
data[0]=buffer[pos++]; // << 8) | buffer[pos];
data[1]=buffer[pos++];
data[2]=buffer[pos++];
if (!Code[20]) {
if (!(Code[20]=session->AddEventList(PRS1_10,EVL_Event))) return false;
}
Code[20]->AddEvent(t,data[0]);
break;
case 0x0f: // Cheyne Stokes Respiration
data[0]=buffer[pos+1]<<8 | buffer[pos];
pos+=2;
data[1]=buffer[pos++];
tt=t-qint64(data[1])*1000L;
if (!Code[23]) {
if (!(Code[23]=session->AddEventList(CPAP_CSR,EVL_Event))) return false;
}
Code[23]->AddEvent(tt,data[0]);
break;
case 0x12: // Summary
data[0]=buffer[pos++];
data[1]=buffer[pos++];
data[2]=buffer[pos+1]<<8 | buffer[pos];
pos+=2;
if (!Code[24]) {
if (!(Code[24]=session->AddEventList(PRS1_12,EVL_Event))) return false;
}
Code[24]->AddEvent(t,data[0]);
break;
default:
// ERROR!!!
qWarning() << "Some new fandangled PRS1 code detected " << hex << int(code) << " at " << pos+15;
return false;
}
}
session->updateLast(t);
return true;
}
bool PRS1Loader::Parse002ASV(Session *session,unsigned char *buffer,int size,qint64 timestamp)
{
QString Codes[]={
PRS1_00, PRS1_01, CPAP_Pressure, CPAP_EPAP, CPAP_PressurePulse, CPAP_Obstructive,
CPAP_ClearAirway, CPAP_Hypopnea, PRS1_08, CPAP_FlowLimit, PRS1_0A, CPAP_CSR,
PRS1_0C, CPAP_VSnore, PRS1_0E, PRS1_0F, PRS1_10,
CPAP_LeakTotal, PRS1_12
};
int ncodes=sizeof(Codes)/sizeof(QString);
EventList * Code[0x20]={NULL};
//for (int i=0;i<0x20;i++) Code[i]=NULL;
session->updateFirst(timestamp);
EventDataType data[10],tmp;
//qint64 start=timestamp;
qint64 t=timestamp;
qint64 tt;
int pos=0;
int cnt=0;
short delta;//,duration;
QDateTime d;
while (pos<size) {
unsigned char code=buffer[pos++];
if (code>=ncodes) {
qDebug() << "Illegal PRS1 code " << hex << int(code) << " appeared at " << hex << pos+16;
return false;
}
if (code==0) {
} else
if (code!=0x12) {
delta=buffer[pos];
//duration=buffer[pos+1];
//delta=buffer[pos+1] << 8 | buffer[pos];
pos+=2;
t+=qint64(delta)*1000L;
}
QString cpapcode=Codes[(int)code];
//EventDataType PS;
tt=t;
cnt++;
int fc=0;
switch (code) {
case 0x00: // Unknown (ASV Pressure value)
// offset?
data[0]=buffer[pos++];
fc++;
if (!buffer[pos-1]) { // WTH???
data[1]=buffer[pos++];
fc++;
}
if (!buffer[pos-1]) {
data[2]=buffer[pos++];
fc++;
}
break;
case 0x01: // Unknown
if (!Code[1]) {
if (!(Code[1]=session->AddEventList(cpapcode,EVL_Event,0.1))) return false;
}
Code[1]->AddEvent(t,0);
break;
case 0x02: // Pressure
data[0]=buffer[pos++];
if (!Code[2]) {
if (!(Code[2]=session->AddEventList(cpapcode,EVL_Event,0.1))) return false;
}
Code[2]->AddEvent(t,data[0]);
break;
case 0x04: // Pressure Pulse
data[0]=buffer[pos++];
if (!Code[3]) {
if (!(Code[3]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[3]->AddEvent(t,data[0]);
break;
case 0x05:
data[0]=buffer[pos++];
tt-=qint64(data[0])*1000L; // Subtract Time Offset
if (!Code[4]) {
if (!(Code[4]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[4]->AddEvent(tt,data[0]);
break;
case 0x06:
data[0]=buffer[pos++];
tt-=qint64(data[0])*1000L; // Subtract Time Offset
if (!Code[5]) {
if (!(Code[5]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[5]->AddEvent(tt,data[0]);
break;
case 0x07:
data[0]=buffer[pos++];
tt-=qint64(data[0])*1000L; // Subtract Time Offset
if (!Code[6]) {
if (!(Code[6]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[6]->AddEvent(tt,data[0]);
break;
case 0x08: // ASV Codes
data[0]=buffer[pos++];
tt-=qint64(data[0])*1000L; // Subtract Time Offset
if (!Code[10]) {
if (!(Code[10]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[10]->AddEvent(tt,data[0]);
break;
case 0x09: // ASV Codes
data[0]=buffer[pos++];
tt-=qint64(data[0])*1000L; // Subtract Time Offset
if (!Code[11]) {
if (!(Code[11]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[11]->AddEvent(tt,data[0]);
break;
case 0x0a:
data[0]=buffer[pos++];
tt-=qint64(data[0])*1000L; // Subtract Time Offset
if (!Code[7]) {
if (!(Code[7]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[7]->AddEvent(tt,data[0]);
break;
case 0x0c:
data[0]=buffer[pos++];
tt-=qint64(data[0])*1000L; // Subtract Time Offset
if (!Code[8]) {
if (!(Code[8]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[8]->AddEvent(tt,data[0]);
break;
case 0x0b: // Cheyne Stokes
data[0]=((unsigned char *)buffer)[pos+1]<<8 | ((unsigned char *)buffer)[pos];
//data[0]*=2;
pos+=2;
data[1]=((unsigned char *)buffer)[pos]; //|buffer[pos+1] << 8
pos+=1;
//tt-=delta;
tt-=qint64(data[1])*1000L;
if (!Code[9]) {
if (!(Code[9]=session->AddEventList(cpapcode,EVL_Event))) return false;
}
Code[9]->AddEvent(tt,data[0]);
//session->AddEvent(new Event(tt,cpapcode, data[0], data, 2));
break;
case 0x0d: // All the other ASV graph stuff.
if (!Code[12]) {
if (!(Code[12]=session->AddEventList(CPAP_IPAP,EVL_Event,0.1))) return false;
if (!(Code[13]=session->AddEventList(CPAP_IPAPLo,EVL_Event,0.1))) return false;
if (!(Code[14]=session->AddEventList(CPAP_IPAPHi,EVL_Event,0.1))) return false;
if (!(Code[15]=session->AddEventList(CPAP_LeakTotal,EVL_Event))) return false;
if (!(Code[16]=session->AddEventList(CPAP_RespRate,EVL_Event))) return false;
if (!(Code[17]=session->AddEventList(CPAP_PTB,EVL_Event))) return false;
if (!(Code[18]=session->AddEventList(CPAP_MinuteVent,EVL_Event))) return false;
if (!(Code[19]=session->AddEventList(CPAP_TidalVolume,EVL_Event))) return false;
if (!(Code[20]=session->AddEventList(CPAP_Snore,EVL_Event))) return false;
if (!(Code[22]=session->AddEventList(CPAP_EPAP,EVL_Event,0.1))) return false;
if (!(Code[23]=session->AddEventList(CPAP_PS,EVL_Event))) return false;
}
Code[12]->AddEvent(t,data[0]=buffer[pos++]); // IAP
Code[13]->AddEvent(t,buffer[pos++]); // IAP Low
Code[14]->AddEvent(t,buffer[pos++]); // IAP High
Code[15]->AddEvent(t,buffer[pos++]); // LEAK
Code[16]->AddEvent(t,buffer[pos++]); // Breaths Per Minute
Code[17]->AddEvent(t,buffer[pos++]); // Patient Triggered Breaths
Code[18]->AddEvent(t,buffer[pos++]); // Minute Ventilation
tmp=buffer[pos++]*10.0;
Code[19]->AddEvent(t,tmp); // Tidal Volume
Code[20]->AddEvent(t,data[2]=buffer[pos++]); // Snore
if (data[2]>0) {
if (!Code[21]) {
if (!(Code[21]=session->AddEventList("VSnore",EVL_Event))) return false;
}
Code[21]->AddEvent(t,0); //data[2]); // VSnore
}
Code[22]->AddEvent(t,data[1]=buffer[pos++]); // EPAP
Code[23]->AddEvent(t,data[0]-data[1]); // Pressure Support
break;
case 0x03: // BIPAP Pressure
qDebug() << "0x03 Observed in ASV data!!????";
data[0]=buffer[pos++];
data[1]=buffer[pos++];
/*data[0]/=10.0;
data[1]/=10.0;
session->AddEvent(new Event(t,CPAP_EAP, 0, data, 1));
session->AddEvent(new Event(t,CPAP_IAP, 0, &data[1], 1)); */
break;
case 0x11: // Not Leak Rate
qDebug() << "0x11 Observed in ASV data!!????";
//if (!Code[24]) {
// Code[24]=new EventList(cpapcode,EVL_Event);
//}
//Code[24]->AddEvent(t,buffer[pos++]);
break;
case 0x0e: // Unknown
qDebug() << "0x0E Observed in ASV data!!????";
data[0]=buffer[pos++]; // << 8) | buffer[pos];
//session->AddEvent(new Event(t,cpapcode, 0, data, 1));
break;
case 0x10: // Unknown
qDebug() << "0x10 Observed in ASV data!!????";
data[0]=buffer[pos++]; // << 8) | buffer[pos];
data[1]=buffer[pos++];
data[2]=buffer[pos++];
//session->AddEvent(new Event(t,cpapcode, 0, data, 3));
break;
case 0x0f:
qDebug() << "0x0f Observed in ASV data!!????";
data[0]=buffer[pos+1]<<8 | buffer[pos];
pos+=2;
data[1]=buffer[pos]; //|buffer[pos+1] << 8
pos+=1;
tt-=qint64(data[1])*1000L;
//session->AddEvent(new Event(tt,cpapcode, 0, data, 2));
break;
case 0x12: // Summary
qDebug() << "0x12 Observed in ASV data!!????";
data[0]=buffer[pos++];
data[1]=buffer[pos++];
data[2]=buffer[pos+1]<<8 | buffer[pos];
pos+=2;
//session->AddEvent(new Event(t,cpapcode, 0, data,3));
break;
default:
// ERROR!!!
qWarning() << "Some new fandangled PRS1 code detected " << hex << int(code) << " at " << pos+15;
return false;
}
}
session->updateLast(t);
return true;
}
bool PRS1Loader::OpenEvents(Session *session,QString filename)
{
int size,sequence,seconds,br,version;
qint64 timestamp;
unsigned char header[24]; // use m_buffer?
unsigned char ext,htype;
QFile f(filename);
if (!f.open(QIODevice::ReadOnly))
return false;
int hl=16;
br=f.read((char *)header,hl);
if (header[0]!=PRS1_MAGIC_NUMBER)
return false;
sequence=size=timestamp=seconds=ext=0;
sequence=(header[10] << 24) | (header[9] << 16) | (header[8] << 8) | header[7];
timestamp=(header[14] << 24) | (header[13] << 16) | (header[12] << 8) | header[11];
size=(header[2] << 8) | header[1];
ext=header[6];
htype=header[3]; // 00 = normal // 01=waveform // could be a bool?
version=header[4];// | header[4];
htype=htype;
sequence=sequence;
if (ext!=PRS1_EVENT_FILE) // 2 == Event file
return false;
//size|=(header[3]<<16) | (header[4]<<24); // the jury is still out on the 32bitness of one. doesn't matter here anyway.
size-=(hl+2);
unsigned char sum=0;
for (int i=0; i<hl-1; i++) sum+=header[i];
if (sum!=header[hl-1]) return false;
unsigned char *buffer=(unsigned char *)m_buffer;
br=f.read((char *)buffer,size);
if (br<size) {
return false;
}
unsigned char crcbytes[2];
if (f.read((char *)crcbytes,2)!=2) {
qDebug() << "No ending CRC bytes in" << filename;
}
quint16 crc=(crcbytes[1] << 8) | crcbytes[0];
quint16 c16=CRC16(buffer,size);
if (crc!=c16) {
qDebug() << "CRC check failed, wanted" << crc << "got" << c16;
}
if (version==0) {
if (!Parse002(session,buffer,size,timestamp*1000L)) {
qDebug() << "Couldn't Parse PRS1 Event File " << filename;
return false;
}
} else if (version==5) {
if (!Parse002ASV(session,buffer,size,timestamp*1000L)) {
qDebug() << "Couldn't Parse PRS1 (ASV) Event File " << filename;
return false;
}
}
return true;
}
struct WaveHeaderList {
quint16 interleave;
quint8 sample_format;
WaveHeaderList(quint16 i,quint8 f){ interleave=i; sample_format=f; }
};
bool PRS1Loader::OpenWaveforms(Session *session,QString filename)
{
//int sequence,seconds,br,htype,version,numsignals;
QFile file(filename);
if (!file.open(QIODevice::ReadOnly)) {
qWarning() << "Couldn't open waveform file" << filename;
return false;
}
int pos,br,size=file.size();
if (size>max_load_buffer_size) {
qWarning() << "Waveform too big, increase max_load_buffer_size in PRS1Loader sourcecode" << filename;
return false;
}
br=file.read((char *)m_buffer,size);
if (br<size) {
qWarning() << "Couldn't read waveform data.. Disk error?" << filename;
return false;
}
// Look at the initial header and assume this header size for the lot.
if ((m_buffer[0]!=2) || (m_buffer[6]!=0x05)) {
qWarning() << "Not correct waveform format" << filename;
return false;
}
//quint8 version=m_buffer[4];
quint32 start=m_buffer[0xb] | m_buffer[0xc] << 8 | m_buffer[0xd] << 16 | m_buffer[0x0e] << 24;
session->updateFirst(qint64(start)*1000L);
quint16 num_signals=m_buffer[0x12] | m_buffer[0x13] << 8;
if (num_signals>2) {
qWarning() << "More than 2 Waveforms in " << filename;
return false;
}
pos=0x14+(num_signals-1)*3;
vector<WaveHeaderList> whl;
// add the in reverse...
for (int i=0;i<num_signals;i++) {
quint16 interleave=m_buffer[pos] | m_buffer[pos+1] << 8;
quint8 sample_format=m_buffer[pos+2];
whl.push_back(WaveHeaderList(interleave,sample_format));
pos-=3;
}
int hl=15+5+(num_signals*3);
quint16 duration,length=0;
quint32 timestamp,lasttimestamp;
pos=0;
int block=0;
lasttimestamp=start;
duration=0;
int corrupt=0;
char waveform[num_signals][500000];
int wlength[num_signals];
qint64 wdur[num_signals];
//EventList *evl[num_signals];
for (int i=0;i<num_signals;i++) {
wlength[i]=0;
wdur[i]=0;
//evl[i]=NULL;
//waveform[i].resize(500000);
}
//SampleFormat *wf[num_signals];
//EventList *FlowData=EventList(CPAP_FlowRate, EVL_Waveform,1,0,-128,128);
//EventList *MaskData=EventList(CPAP_MaskPressure, EVL_Waveform,1,0,-128,128);
//QString FlowRate=CPAP_FlowRate;
//QString MaskPressure="MaskPressure";
QString wc[2]={CPAP_FlowRate,CPAP_MaskPressure};
do {
timestamp=m_buffer[pos+0xb] | m_buffer[pos+0xc] << 8 | m_buffer[pos+0xd] << 16 | m_buffer[pos+0x0e] << 24;
register unsigned char sum8=0;
for (int i=0;i<hl;i++) sum8+=m_buffer[pos+i];
if (m_buffer[pos+hl]!=sum8) {
if (block==0) {
qDebug() << "Faulty Header Checksum, aborting" << filename;
return false;
}
if (++corrupt>3) {
qDebug() << "3 Faulty Waveform Headers in a row.. Aborting" << filename;
return false;
}
qDebug() << "Faulty Header Checksum, skipping block" << block;
pos+=length;
continue;
} else {
int diff=timestamp-(lasttimestamp+duration);
if (block==1) {
if (diff>0)
start-=diff;
}
length=m_buffer[pos+0x1] | m_buffer[pos+0x2] << 8; // block length in bytes
duration=m_buffer[pos+0xf] | m_buffer[pos+0x10] << 8; // block duration in seconds
if (diff<0) {
qDebug() << "Padding waveform to keep sync" << block;
//diff=qAbs(diff);
for (int i=0;i<num_signals;i++) {
for (int j=0;j<diff;j++) {
for (int k=0;k<whl[i].interleave;k++)
waveform[i][wlength[i]++]=0;
}
wdur[i]+=diff;
}
} else
if (diff>0 && wlength[0]>0) {
qDebug() << "Timestamp resync" << block << diff << corrupt << duration << timestamp-lasttimestamp << filename;
for (int i=0;i<num_signals;i++) {
double rate=(double(wdur[i])*1000.0)/double(wlength[i]);
double gain;
if (i==1) gain=0.1; else gain=1;
EventList *a=session->AddEventList(wc[i],EVL_Waveform,gain,0,0,0,rate);
//EventList *a=new EventList(wc[i],EVL_Waveform,gain,0,0,0,rate);
//session->machine()->registerChannel(wc[i]);
if (whl[i].sample_format)
a->AddWaveform(qint64(start)*1000L,(unsigned char *)waveform[i],wlength[i],qint64(wdur[i])*1000L);
else {
a->AddWaveform(qint64(start)*1000L,(char *)waveform[i],wlength[i],qint64(wdur[i])*1000L);
}
if (wc[i]==CPAP_FlowRate) {
a->setMax(120);
a->setMin(-120);
} else if (wc[i]==CPAP_MaskPressure) {
/* int v=ceil(a->max()/5);
a->setMax(v*5);
v=floor(a->min()/5);
a->setMin(v*5); */
}
session->updateLast(start+(qint64(wdur[i])*1000L));
wlength[i]=0;
wdur[i]=0;
}
start=timestamp;
corrupt=0;
}
}
pos+=hl+1;
//qDebug() << (duration*num_signals*whl[0].interleave) << duration;
if (num_signals==1) { // no interleave.. this is much quicker.
int bs=duration*whl[0].interleave;
memcpy((char *)&(waveform[0])[wlength[0]],(char *)&m_buffer[pos],bs);
wlength[0]+=bs;
pos+=bs;
} else {
for (int i=0;i<duration;i++) {
for (int s=0;s<num_signals;s++) {
memcpy((char *)&(waveform[s])[wlength[s]],(char *)&m_buffer[pos],whl[s].interleave);
wlength[s]+=whl[s].interleave;
pos+=whl[s].interleave;
}
}
}
for (int i=0;i<num_signals;i++) wdur[i]+=duration;
pos+=2;
block++;
lasttimestamp=timestamp;
} while (pos<size);
for (int i=0;i<num_signals;i++) {
double rate=(double(wdur[i])*1000.0)/double(wlength[i]);
double gain;
if (i==1) gain=0.1; else gain=1;
EventList *a=session->AddEventList(wc[i],EVL_Waveform,gain,0,0,0,rate);
if (whl[i].sample_format)
a->AddWaveform(qint64(start)*1000L,(unsigned char *)waveform[i],wlength[i],qint64(wdur[i])*1000L);
else {
a->AddWaveform(qint64(start)*1000L,(char *)waveform[i],wlength[i],qint64(wdur[i])*1000L);
}
if (wc[i]==CPAP_FlowRate) {
a->setMax(120);
a->setMin(-120);
} else if (wc[i]==CPAP_MaskPressure) {
}
session->updateLast(start+qint64(wdur[i])*1000L);
}
// lousy family 5 check to see if already has RespRate
return true;
}
void InitModelMap()
{
ModelMap[0x34]="RemStar Pro with C-Flex+";
ModelMap[0x35]="RemStar Auto with A-Flex";
ModelMap[0x36]="RemStar BiPAP Pro with Bi-Flex";
ModelMap[0x37]="RemStar BiPAP Auto with Bi-Flex";
ModelMap[0x41]="BiPAP autoSV Advanced";
}
bool initialized=false;
void PRS1Loader::Register()
{
if (initialized) return;
qDebug() << "Registering PRS1Loader";
RegisterLoader(new PRS1Loader());
InitModelMap();
initialized=true;
}
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