protected override int _Read(byte[] buffer, int offset)
{
_AfterSpikes = true;
_AfterSpikesInfo = true;
_AfterQRSType = true;
int end = offset - Size + Length;
int frontsize = Marshal.SizeOf(_NrRefTypeQRS) + Marshal.SizeOf(_NrSpikes) + Marshal.SizeOf(_AvgRRInterval) + Marshal.SizeOf(_AvgPPInterval);
if ((offset + frontsize) > end)
{
return(0x1);
}
_NrRefTypeQRS = (byte)BytesTool.readBytes(buffer, offset, Marshal.SizeOf(_NrRefTypeQRS), true);
offset += Marshal.SizeOf(_NrRefTypeQRS);
_NrSpikes = (byte)BytesTool.readBytes(buffer, offset, Marshal.SizeOf(_NrSpikes), true);
offset += Marshal.SizeOf(_NrSpikes);
_AvgRRInterval = (ushort)BytesTool.readBytes(buffer, offset, Marshal.SizeOf(_AvgRRInterval), true);
offset += Marshal.SizeOf(_AvgRRInterval);
_AvgPPInterval = (ushort)BytesTool.readBytes(buffer, offset, Marshal.SizeOf(_AvgPPInterval), true);
offset += Marshal.SizeOf(_AvgPPInterval);
if (_NrRefTypeQRS > 0)
{
if (((offset + (_NrRefTypeQRS * SCPMeasurement.Size)) > end) &&
(_NrSpikes == 0))
{
_NrRefTypeQRS = (byte)((end - offset) / SCPMeasurement.Size);
}
if ((offset + (_NrRefTypeQRS * SCPMeasurement.Size)) > end)
{
return(0x2);
}
else
{
_Measurements = new SCPMeasurement[_NrRefTypeQRS];
for (int loper = 0; loper < _NrRefTypeQRS; loper++)
{
_Measurements[loper] = new SCPMeasurement();
_Measurements[loper].Read(buffer, offset);
offset += SCPMeasurement.Size;
}
}
}
if (_NrSpikes > 0)
{
if ((offset + (_NrSpikes * SCPSpike.Size)) > end)
{
return(0x4);
}
_Spikes = new SCPSpike[_NrSpikes];
for (int loper = 0; loper < _NrSpikes; loper++)
{
_Spikes[loper] = new SCPSpike();
_Spikes[loper].Read(buffer, offset);
offset += SCPSpike.Size;
}
if (offset + (_NrSpikes * SCPSpikeInfo.Size) > end)
{
_AfterSpikes = false;
_AfterSpikesInfo = false;
_AfterQRSType = false;
return(0x0);
}
_SpikesInfo = new SCPSpikeInfo[_NrSpikes];
for (int loper = 0; loper < _NrSpikes; loper++)
{
_SpikesInfo[loper] = new SCPSpikeInfo();
_SpikesInfo[loper].Read(buffer, offset);
offset += SCPSpikeInfo.Size;
}
}
if ((offset + Marshal.SizeOf(_NrQRS)) > end)
{
_AfterSpikesInfo = false;
_AfterQRSType = false;
return(0x0);
}
_NrQRS = (ushort)BytesTool.readBytes(buffer, offset, Marshal.SizeOf(_NrQRS), true);
offset += Marshal.SizeOf(_NrQRS);
if (_NrQRS > 0)
{
if ((offset + (_NrQRS * Marshal.SizeOf(typeof(byte)))) > end)
{
return(0x10);
}
_QRSType = new byte[_NrQRS];
for (int loper = 0; loper < _NrQRS; loper++)
{
_QRSType[loper] = (byte)BytesTool.readBytes(buffer, offset, Marshal.SizeOf(_QRSType[loper]), true);
offset += Marshal.SizeOf(_QRSType[loper]);
}
}
int err = _ExtraMeasurements.Read(buffer, offset);
offset += _ExtraMeasurements.getLength();
// added an extra byte in check to prevent some errors
if ((err != 0) ||
(offset > end + 1))
{
_AfterQRSType = false;
_ExtraMeasurements.Empty();
return(0x20);
}
if ((end - offset) > 0)
{
_Rest = new byte[end - offset];
offset += BytesTool.copy(_Rest, 0, buffer, offset, _Rest.Length);
}
return(0x0);
}
public int setGlobalMeasurements(GlobalMeasurements mes)
{
if ((mes != null) &&
(mes.measurment != null))
{
Empty();
_AvgRRInterval = mes.AvgRR;
_AvgPPInterval = mes.AvgPP;
_NrRefTypeQRS = (byte)mes.measurment.Length;
_Measurements = new SCPMeasurement[_NrRefTypeQRS];
for (int loper = 0; loper < _NrRefTypeQRS; loper++)
{
_Measurements[loper] = new SCPMeasurement();
if (mes.measurment[loper] != null)
{
_Measurements[loper].Ponset = mes.measurment[loper].Ponset;
_Measurements[loper].Poffset = mes.measurment[loper].Poffset;
_Measurements[loper].QRSonset = mes.measurment[loper].QRSonset;
_Measurements[loper].QRSoffset = mes.measurment[loper].QRSoffset;
_Measurements[loper].Toffset = mes.measurment[loper].Toffset;
_Measurements[loper].Paxis = mes.measurment[loper].Paxis;
_Measurements[loper].QRSaxis = mes.measurment[loper].QRSaxis;
_Measurements[loper].Taxis = mes.measurment[loper].Taxis;
}
}
_NrSpikes = 0;
if (mes.spike != null)
{
_NrSpikes = (byte)mes.spike.Length;
_Spikes = new SCPSpike[_NrSpikes];
_SpikesInfo = new SCPSpikeInfo[_NrSpikes];
for (int loper = 0; loper < _NrSpikes; loper++)
{
_Spikes[loper] = new SCPSpike();
_SpikesInfo[loper] = new SCPSpikeInfo();
if (mes.spike[loper] != null)
{
_Spikes[loper].Time = mes.spike[loper].Time;
_Spikes[loper].Amplitude = mes.spike[loper].Amplitude;
}
}
}
_AfterSpikes = true;
_AfterSpikesInfo = true;
_NrQRS = 0;
_QRSType = null;
_AfterQRSType = true;
_ExtraMeasurements = new SCPExtraMeasurements();
_ExtraMeasurements.VentRate = mes.VentRate;
_ExtraMeasurements.QTc = mes.QTc;
byte temp = (byte)(mes.QTcType + 1);
if (temp > 2)
{
temp = 0;
}
_ExtraMeasurements.FormulaType = temp;
return(0);
}
return(1);
}
