/// <summary>
/// compare calibrations
/// </summary>
/// <param name="testCal">calibration to compare</param>
/// <returns>true if testCal has different value than this</returns>
public bool Different(Calibration testCal)
{
// must differ if test doesn't exist
if (testCal == null)
{
return(true);
}
// get two binarys and compare, ignore CRC and .Note differences
byte[] testBinary = testCal.ConvertToBinary();
byte[] thisBinary = this.ConvertToBinary();
bool differ = false;
for (int i = 0; i < thisBinary.Length - 2; i++)
{
if (testBinary[i] != thisBinary[i])
{
differ = true;
}
}
return(differ);
}
public static Calibration Read(string fileName)
{
XmlSerializer sr = new XmlSerializer(typeof(Calibration));
FileStream fs = null;
try
{
fs = File.OpenRead(fileName);
Calibration cal = (Calibration)sr.Deserialize(fs);
cal.ReCalculateCRC(); // spreadsheet does not produce CRC, so always recalc
return(cal);
}
catch (Exception)
{
throw new ApplicationException("Calibration file read error " + fileName);
}
finally
{
if (fs != null)
{
fs.Close();
}
}
}
//--------------------------------------------------------------------
public Assay ReCalcResults()
{
Calibration newCal = this.cal.Clone() as Calibration;
// no need to recal LC3 results, since they were done on PC in first place
if (Source == Analyzer.LeadCare3)
{
return((Assay)this.Clone());
}
// create new assay, set calibration,zero result
Assay recalc = (Assay)this.Clone();
recalc.cal = newCal.Clone() as Calibration;
recalc.Result = 0;
recalc.SWCValue = 0;
// only recalc if we have raw data
if (recalc.ForwardADC == null || recalc.ReverseADC == null || recalc.StepCount == 0)
{
return(recalc);
}
// intermediate data tables for filtering
short[] avgForwardTable = new short[recalc.StepCount];
short[] avgReverseTable = new short[recalc.StepCount];
short[] rawDiffTable = new short[recalc.StepCount];
// first fill with raw ADC reads
for (int step = 0; step < recalc.StepCount; step++)
{
if (Source == Analyzer.LeadCare3)
{
avgForwardTable[step] = ConvertLc3AdcReading(ForwardADC[step]);
avgReverseTable[step] = ConvertLc3AdcReading(ReverseADC[step]);
}
else
{
avgForwardTable[step] = ForwardADC[step];
avgReverseTable[step] = ReverseADC[step];
}
}
TestAgainstCurrentLimit(recalc, avgForwardTable, avgReverseTable);
// apply boxcar filter to averaged reads to get final forward & reverse tables
Filter(recalc.ForwardTable, avgForwardTable, BoxcarFilter);
Filter(recalc.ReverseTable, avgReverseTable, BoxcarFilter);
// get difference table with ADC overflow flagging and then filter with FFT
GetDifferenceCurve(recalc, rawDiffTable);
Filter(recalc.DifferenceTable, rawDiffTable, FFTfilter);
// fill raw corrected table and apply baseline correction
for (int i = 0; i < recalc.StepCount; i++)
{
recalc.CorrectedTable[i] = recalc.DifferenceTable[i];
}
recalc.BCiterations = 0;
for (int i = 0; i < 3; i++)
{
if (BaselineCorrection(recalc))
{
++recalc.BCiterations;
}
}
// integrate to get square wave capacitance
recalc.SWCValue = 0;
for (int i = recalc.LowerMinimum; i <= recalc.UpperMinimum; i++)
{
if (recalc.CorrectedTable[i] > 0)
{
recalc.SWCValue += (uint)recalc.CorrectedTable[i];
}
}
// final correction and conversion
TemperatureCorrection(recalc);
TranslateBLL(recalc);
if (recalc.Error == 0)
{
recalc.Result = recalc.BLLCorrected;
}
// debug test for calculation
bool recalcOK = true;
try {
for (int step = 0; step < recalc.StepCount; step++)
{
if (recalc.ForwardTable[step] != this.ForwardTable[step])
{
recalcOK = false;
}
if (recalc.ReverseTable[step] != this.ReverseTable[step])
{
recalcOK = false;
}
if (recalc.DifferenceTable[step] != this.DifferenceTable[step])
{
recalcOK = false;
}
if (recalc.CorrectedTable[step] != this.CorrectedTable[step])
{
recalcOK = false;
}
}
if (recalc.SWCValue != this.SWCValue)
{
recalcOK = false;
}
if (recalc.TempCorrected != this.TempCorrected)
{
recalcOK = false;
}
if (recalc.SWCscaled != this.SWCscaled)
{
recalcOK = false;
}
if (recalc.BLLCorrected != this.BLLCorrected)
{
recalcOK = false;
}
}
catch (Exception) {
recalcOK = false;
}
if (recalcOK)
{
}
return(recalc);
}