/// <summary>
/// This function will process a received, full consistent string received from remote device
/// and fill it in all data
/// </summary>
/// <param name="sLine">string received from device, previously parsed and validated</param>
/// <param name="fOffsetDB">currently specified offset in DB</param>
public bool ProcessReceivedString(string sLine, float fOffsetDB)
{
bool bOk = true;
try
{
if ((sLine.Length > 2) && (sLine.Substring(0, 2) == "$S"))
{
RFESweepData objSweep = new RFESweepData((float)StartFrequencyMHZ, (float)StepFrequencyMHZ, TotalSteps);
objSweep.CaptureTime = DateTime.Now;
for (ushort nInd = 0; nInd < TotalSteps; nInd++)
{
byte nVal = Convert.ToByte(sLine[2 + nInd]);
float fVal = nVal / -2.0f;
SetAmplitudeDBM(nInd, fVal + fOffsetDB);
}
}
else
bOk = false;
}
catch (Exception)
{
bOk = false;
}
return bOk;
}
public RFESweepData GetAverage(UInt32 nStart, UInt32 nEnd)
{
RFESweepData objReturn = null;
//string sDebugText = "";
if (nStart > m_nUpperBound || nEnd > m_nUpperBound || nStart > nEnd)
{
return null;
}
try
{
objReturn = new RFESweepData(m_arrData[nEnd].StartFrequencyMHZ, m_arrData[nEnd].StepFrequencyMHZ, m_arrData[nEnd].TotalSteps);
for (UInt16 nSweepInd = 0; nSweepInd < objReturn.TotalSteps; nSweepInd++)
{
//sDebugText += "[" + nSweepInd + "]:";
float fSweepValue = 0f;
for (UInt32 nIterationInd = nStart; nIterationInd <= nEnd; nIterationInd++)
{
if (nSweepInd == 0)
{
//check all the sweeps use the same configuration, but only in first loop to reduce overhead
if (!m_arrData[nIterationInd].IsSameConfiguration(objReturn))
return null;
}
fSweepValue += m_arrData[nIterationInd].GetAmplitudeDBM(nSweepInd,null,false);
//sDebugText += m_arrData[nIterationInd].GetAmplitudeDBM(nSweepInd).ToString("f2") + ",";
}
fSweepValue = fSweepValue / (nEnd - nStart + 1);
//sDebugText += "(" + fSweepValue.ToString("f2") + ")";
objReturn.SetAmplitudeDBM(nSweepInd, fSweepValue);
}
}
catch
{
objReturn = null;
}
return objReturn;
}
/// <summary>
///
///
///
/// </summary>
/// <param name="sFile"></param>
/// <returns></returns>
//
/// <summary>
/// Will load a RFE standard file from disk. If the file format is incorrect (unknown) will return false but will not invalidate the internal container
/// If there are file exceptions, will be received by the caller so should react with appropriate error control
/// If file is successfully loaded, all previous container data is lost and replaced by data from file
/// </summary>
/// <param name="sFile">File name to load</param>
/// <param name="sModelText">model data text. If it is a normal sweep file, then this comes from spectrum analyzer. If it is tracking or normalization
/// then this is from both signal generator and spectrum analyzer</param>
/// <param name="sConfigurationText">configuration text. If it is a normal sweep file, then this comes from spectrum analyzer. If it is tracking or normalization
/// then this is from Signal Generator and some required parameters from spectrum analyzer too.</param>
/// <returns></returns>
public bool LoadFile(string sFile, out string sModelText, out string sConfigurationText)
{
sConfigurationText = "Configuration info Unknown - Old file format";
sModelText = "Model Unknown - Old file format";
FileStream myFile = null;
try
{
myFile = new FileStream(sFile, FileMode.Open);
using (BinaryReader binStream = new BinaryReader(myFile))
{
myFile = null;
string sHeader = binStream.ReadString();
if ((sHeader != FileHeaderVersioned()) && (sHeader != FileHeaderVersioned_001()))
{
//unknown format
return false;
}
double fStartFrequencyMHZ = binStream.ReadDouble();
double fStepFrequencyMHZ = binStream.ReadDouble();
UInt32 nMaxDataIndex = 0;
if (sHeader == FileHeaderVersioned_001())
{
//in version 001 we saved a 16 bits integer
nMaxDataIndex = binStream.ReadUInt16();
}
else
{
nMaxDataIndex = binStream.ReadUInt32();
}
UInt16 nTotalSteps = binStream.ReadUInt16();
if (sHeader != FileHeaderVersioned_001())
{
sConfigurationText = "From file: " + binStream.ReadString();
sModelText = "From file: " + binStream.ReadString();
}
//We initialize internal data only if the file was ok and of the right format
CleanAll();
m_arrData = new RFESweepData[nMaxDataIndex];
for (UInt32 nSweepInd = 0; nSweepInd < nMaxDataIndex; nSweepInd++)
{
RFESweepData objRead = new RFESweepData((float)fStartFrequencyMHZ, (float)fStepFrequencyMHZ, nTotalSteps);
if (sHeader == FileHeaderVersioned_001())
{
objRead.CaptureTime = new DateTime(2000, 1, 1); //year 2000 means no actual valid date-time was captured
}
else
{
//Starting in version 002, load sweep capture time too
int nLength = (int)binStream.ReadInt32();
string sTime = (string)binStream.ReadString();
if ((sTime.Length == nLength) && (nLength > 0))
{
objRead.CaptureTime = DateTime.Parse(sTime);
}
}
for (UInt16 nStep = 0; nStep < nTotalSteps; nStep++)
{
objRead.SetAmplitudeDBM(nStep, (float)binStream.ReadDouble());
}
Add(objRead);
}
}
}
finally
{
if (myFile != null)
myFile.Dispose();
}
return true;
}
public bool Add(RFESweepData SweepData)
{
try
{
if (IsFull())
return false;
if (m_MaxHoldData == null)
{
m_MaxHoldData = new RFESweepData(SweepData.StartFrequencyMHZ, SweepData.StepFrequencyMHZ, SweepData.TotalSteps);
}
if (m_nUpperBound >= (m_arrData.Length - 1))
{
if (m_bAutogrow)
{
ResizeCollection(10 * 1000); //add 10K samples more
}
else
{
//move all items one position down, lose the older one at position 0
m_nUpperBound = m_arrData.Length - 2;
m_arrData[0] = null;
for (int nInd = 0; nInd <= m_nUpperBound; nInd++)
{
m_arrData[nInd] = m_arrData[nInd + 1];
}
}
}
m_nUpperBound++;
m_arrData[m_nUpperBound] = SweepData;
for (UInt16 nInd = 0; nInd < SweepData.TotalSteps; nInd++)
{
if (SweepData.GetAmplitudeDBM(nInd,null,false) > m_MaxHoldData.GetAmplitudeDBM(nInd,null,false))
{
m_MaxHoldData.SetAmplitudeDBM(nInd, SweepData.GetAmplitudeDBM(nInd,null,false));
}
}
}
catch
{
return false;
}
return true;
}
public void CleanAll()
{
if (m_arrData != null)
{
Array.Clear(m_arrData, 0, m_arrData.Length);
}
m_arrData = new RFESweepData[m_nInitialCollectionSize];
m_MaxHoldData = null;
m_nUpperBound = -1;
}
public bool IsSameConfiguration(RFESweepData objOther)
{
return (Math.Abs(objOther.StartFrequencyMHZ - StartFrequencyMHZ) < 0.001 && Math.Abs(objOther.StepFrequencyMHZ - StepFrequencyMHZ) < 0.001 && (objOther.TotalSteps == TotalSteps));
}
public RFESweepData Duplicate()
{
RFESweepData objSweep = new RFESweepData(m_fStartFrequencyMHZ, m_fStepFrequencyMHZ, m_nTotalSteps);
Array.Copy(m_arrAmplitude, objSweep.m_arrAmplitude, m_nTotalSteps);
return objSweep;
}
private void CreateWaterfallTestData()
{
m_WaterfallSweepMaxHold.CleanAll();
m_objRFEAnalyzer.AmplitudeBottomDBM = -100;
m_objRFEAnalyzer.AmplitudeTopDBM = -10;
UInt16 nTotalSteps = 100;
for (UInt16 nMaxHoldInd = 0; nMaxHoldInd < nTotalSteps; nMaxHoldInd++)
{
RFESweepData objNewSweep = new RFESweepData(100.0f, 10.0f / 112, 112);
m_WaterfallSweepMaxHold.Add(objNewSweep);
for (UInt16 nSweepDataInd = 0; nSweepDataInd < objNewSweep.TotalSteps; nSweepDataInd++)
{
float fAmplitude = -100.0f;
//a mark on the 6th position
if (nSweepDataInd == 5)
{
fAmplitude = -30.0f;
}
//every of the 10 divisions (112/10)
if ((nSweepDataInd % 12) == 0)
{
fAmplitude = -40.0f;
}
//A 15 steps band for the first half of the sweep time
if (nMaxHoldInd < 50)
{
if (nSweepDataInd > 35 && nSweepDataInd < 50)
{
fAmplitude = -50.0f;
}
}
//every 5 sweeps interval
if ((nMaxHoldInd % 10) < 5)
{
if (nSweepDataInd == 65)
{
fAmplitude = -30.0f;
}
}
objNewSweep.SetAmplitudeDBM(nSweepDataInd, fAmplitude);
}
Thread.Sleep(10); //to force some time difference between samples
}
UpdateWaterfall();
}
/// <summary>
/// Internally adjust the sweep amplitude based on normalized amplitude objNormalizedAmplitudeReference provided
/// </summary>
/// <returns></returns>
public bool NormalizeAmplitude(RFESweepData objNormalizedAmplitudeReference)
{
if (!IsSameConfiguration(objNormalizedAmplitudeReference))
return false;
for (UInt16 nInd = 0; nInd < TotalSteps; nInd++)
{
//normal realtime
float dDB = GetAmplitudeDBM(nInd) - objNormalizedAmplitudeReference.GetAmplitudeDBM(nInd);
SetAmplitudeDBM(nInd, dDB);
}
return true;
}
/// <summary>
/// removes any prior loaeded normalization data
/// </summary>
public void ResetTrackingNormalizedData()
{
m_SweepTrackingNormalized = null;
m_SweepTrackingNormalizedContainer = null;
}
/// <summary>
/// The secondary thread used to get data from USB/RS232 COM port
/// </summary>
private void ReceiveThreadfunc()
{
//this is the object used to keep current configuration data
RFEConfiguration objCurrentConfiguration = null;
RFESweepData objSweepTracking = null;
m_bThreadTrackingEnabled = false;
int nTrackingStepRetry = 0;
while (m_bRunReceiveThread)
{
string strReceived = "";
#if SUPPORT_EXPERIMENTAL
while (m_bPortConnected && !m_bModeAPI)
#else
while (m_bPortConnected && m_bRunReceiveThread)
#endif
{
string sNewText = "";
try
{
Monitor.Enter(m_serialPortObj);
if (m_serialPortObj.IsOpen && m_serialPortObj.BytesToRead > 0)
{
sNewText = m_serialPortObj.ReadExisting();
}
}
catch (IOException) { }
catch (TimeoutException) { }
catch (Exception obExeption)
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(obExeption);
Monitor.Exit(m_arrReceivedData);
}
finally { Monitor.Exit(m_serialPortObj); }
if (sNewText.Length > 0)
{
if (m_bDebugTraces)
{
//Debug only, do not enable this in production
m_ReceivedBytesMutex.WaitOne();
m_sAllReceivedBytes += sNewText;
m_ReceivedBytesMutex.ReleaseMutex();
}
strReceived += sNewText;
sNewText = "";
}
if (strReceived.Length > 25240)
{
//Safety code, some error prevented the string from being processed in several loop cycles. Reset it.
if (m_bDebugTraces)
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("Received string truncated (" + strReceived.Length + ")");
Monitor.Exit(m_arrReceivedData);
}
strReceived = "";
}
if (strReceived.Length > 0)
{
if (strReceived[0] == '#')
{
int nEndPos = strReceived.IndexOf("\r\n");
if (nEndPos >= 0)
{
string sNewLine = strReceived.Substring(0, nEndPos);
string sLeftOver = strReceived.Substring(nEndPos + 2);
strReceived = sLeftOver;
RFEConfiguration objNewConfiguration = null;
if ((sNewLine.Length > 2) && (sNewLine.Substring(0, 3) == "#K1"))
{
if (m_bThreadTrackingEnabled==false)
{
//if we are starting tracking here, send the request for first step right away
m_objRFEGen.SendCommand_TrackingStep(0);
SendCommand_TrackingStep(0);
}
m_bThreadTrackingEnabled=true;
nTrackingStepRetry = 0;
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(sNewLine);
Monitor.Exit(m_arrReceivedData);
}
if ((sNewLine.Length > 2) && (sNewLine.Substring(0, 3) == "#K0"))
{
m_bThreadTrackingEnabled = false;
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(sNewLine);
Monitor.Exit(m_arrReceivedData);
}
else if ((sNewLine.Length > 5) && ((sNewLine.Substring(0, 6) == "#C2-F:") || (sNewLine.Substring(0, 6) == "#C3-G:")))
{
m_bThreadTrackingEnabled=false;
if (m_bDebugTraces)
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("Received Config:" + strReceived.Length.ToString("D5"));
Monitor.Exit(m_arrReceivedData);
}
//Standard configuration expected
objNewConfiguration = new RFEConfiguration();
if (objNewConfiguration.ProcessReceivedString(sNewLine))
{
objCurrentConfiguration = new RFEConfiguration(objNewConfiguration);
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(objNewConfiguration);
Monitor.Exit(m_arrReceivedData);
}
}
else
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(sNewLine);
Monitor.Exit(m_arrReceivedData);
}
}
}
else if (strReceived[0] == '$')
{
if ((strReceived.Length > 4) && (strReceived[1] == 'C'))
{
UInt16 nSize = 2; //account for CR+LF
switch (strReceived[2])
{
case 'c':
{
//Calibration data
nSize += (byte)(Convert.ToByte(strReceived[3]) + 4);
break;
}
case 'b':
{
//Memory data dump
nSize += (UInt16)((Convert.ToByte(strReceived[4]) + 1) * 16 + 10);
break;
}
}
//This is standard for all 'C' data dumps
if ((nSize > 2) && (strReceived.Length >= nSize))
{
string sNewLine = strReceived.Substring(0, nSize);
string sLeftOver = strReceived.Substring(nSize);
strReceived = sLeftOver;
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(sNewLine);
Monitor.Exit(m_arrReceivedData);
}
}
else if ((strReceived.Length > 1) && (strReceived[1] == 'q'))
{
//this is internal calibration data dump
ushort nReceivedLength = (byte)strReceived[2];
bool bLengthOK = (strReceived.Length >= (3 + nReceivedLength + 2));
if (bLengthOK)
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(strReceived);
Monitor.Exit(m_arrReceivedData);
strReceived = strReceived.Substring(3 + nReceivedLength + 2);
}
}
else if ((strReceived.Length > 1) && (strReceived[1] == 'D'))
{
//This is dump screen data
if (m_bDebugTraces)
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("Received $D" + strReceived.Length.ToString("D5"));
Monitor.Exit(m_arrReceivedData);
}
if (strReceived.Length >= (4 + 128 * 8))
{
string sNewLine = "$D" + strReceived.Substring(2, 128 * 8);
string sLeftOver = strReceived.Substring(4 + 128 * 8);
strReceived = sLeftOver;
RFEScreenData objData = new RFEScreenData();
if (objData.ProcessReceivedString(sNewLine))
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(objData);
Monitor.Exit(m_arrReceivedData);
}
else
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(sNewLine);
Monitor.Exit(m_arrReceivedData);
}
}
}
else if ((strReceived.Length > 2) && (strReceived[1] == 'S'))
{
//Standard spectrum analyzer data
ushort nReceivedLength = (byte)strReceived[2];
if (m_bDebugTraces)
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("Received $S" + nReceivedLength.ToString("D5"));
Monitor.Exit(m_arrReceivedData);
}
bool bLengthOK = (strReceived.Length >= (3 + nReceivedLength + 2));
bool bFullStringOK = false;
if (bLengthOK && (strReceived.Substring(3 + nReceivedLength, 2) == "\r\n"))
{
bFullStringOK = true;
}
if (bFullStringOK)
{
//So we are here because received the full set of chars expected, and all them are apparently of valid characters
if (nReceivedLength <= MAX_SPECTRUM_STEPS)
{
string sNewLine = "$S" + strReceived.Substring(3, nReceivedLength);
if (objCurrentConfiguration != null)
{
UInt16 nSweepSteps = objCurrentConfiguration.nFreqSpectrumSteps;
if (m_bThreadTrackingEnabled)
{
nSweepSteps = nReceivedLength;
}
RFESweepData objSweep = new RFESweepData(objCurrentConfiguration.fStartMHZ, objCurrentConfiguration.fStepMHZ, nSweepSteps);
if (objSweep.ProcessReceivedString(sNewLine, objCurrentConfiguration.fOffset_dB))
{
if (!m_bThreadTrackingEnabled)
{
//Normal spectrum analyzer sweep data
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(objSweep);
Monitor.Exit(m_arrReceivedData);
}
else
{
//tracking generator sweep data, we capture a sweep point every time to build a new full objSweepTracking
if (m_nRFGenTracking_CurrentSweepStep == 0)
{
objSweepTracking = new RFESweepData(m_objRFEGen.RFGenStartFrequencyMHZ, m_objRFEGen.RFGenStepFrequencyMHZ, m_objRFEGen.RFGenSweepSteps);
}
float fMaxDB = objSweep.GetAmplitudeDBM(objSweep.GetPeakStep());
objSweepTracking.SetAmplitudeDBM(m_nRFGenTracking_CurrentSweepStep, fMaxDB);
if (!m_bTrackingNormalizing || (fMaxDB > MIN_AMPLITUDE_TRACKING_NORMALIZE) || !m_bTrackingAllowed)
{
//if we are normalizing, make sure the value read is correct or either do not increase step
m_nRFGenTracking_CurrentSweepStep++;
}
else
{
nTrackingStepRetry++;
if (m_bTrackingNormalizing && nTrackingStepRetry > (m_objRFEGen.RFGenSweepSteps / 5))
{
//if we retried about the same number of steps the sweep have, then something is really wrong
m_objRFEGen.SendCommand_GeneratorRFPowerOFF();
m_bThreadTrackingEnabled = false; //be done with thread tracking activity, so main thread knows
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("Too many retries normalizing data. Review your setup and restart Spectrum Analyzer");
Monitor.Exit(m_arrReceivedData);
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(objSweepTracking); //send whatever we have, we will detect it outside the thread
Monitor.Exit(m_arrReceivedData);
}
}
if (m_bThreadTrackingEnabled)
{
if (m_nRFGenTracking_CurrentSweepStep <= m_objRFEGen.RFGenSweepSteps)
{
m_objRFEGen.SendCommand_TrackingStep(m_nRFGenTracking_CurrentSweepStep);
SendCommand_TrackingStep(m_nRFGenTracking_CurrentSweepStep);
}
else
{
//we are done with a tracking sweep capture objSweepTracking, make it available
m_nTrackingNormalizingPass++;
m_nTrackingPass++;
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(objSweepTracking);
Monitor.Exit(m_arrReceivedData);
//If we need to restart, do it from first step
m_nRFGenTracking_CurrentSweepStep = 0;
if ( (m_bTrackingNormalizing && (m_nTrackingNormalizingPass > m_nAutoStopSNATrackingCounter)) ||
!m_bTrackingAllowed ||
(!m_bTrackingNormalizing && ((m_nAutoStopSNATrackingCounter!=0) && (m_nTrackingPass > m_nAutoStopSNATrackingCounter)))
)
{
//if normalizing is completed, or if we have finished tracking manually or automatically, we are done with RF power
m_objRFEGen.SendCommand_GeneratorRFPowerOFF();
m_bThreadTrackingEnabled = false; //be done with thread tracking activity, so main thread knows
}
else
{
//start all over again a full new sweep
m_objRFEGen.SendCommand_TrackingStep(m_nRFGenTracking_CurrentSweepStep);
SendCommand_TrackingStep(m_nRFGenTracking_CurrentSweepStep);
}
}
}
}
}
else
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(sNewLine);
Monitor.Exit(m_arrReceivedData);
}
}
}
else
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("Ignored $S of size " + nReceivedLength.ToString() + " expected " + FreqSpectrumSteps.ToString());
Monitor.Exit(m_arrReceivedData);
}
strReceived = strReceived.Substring(3 + nReceivedLength + 2);
}
else if (bLengthOK)
{
//So we are here because the string doesn't end with the expected chars, but has the right length.
//The most likely cause is a truncated string was received, and some chars are from next string, not this one
//therefore we truncate the line to avoid being much larger, and start over again next time.
int nPosNextLine = strReceived.IndexOf("\r\n");
if (nPosNextLine >= 0)
{
strReceived = strReceived.Substring(nPosNextLine + 2);
}
}
}
else if ((strReceived.Length > 3) && (strReceived[1] == 's'))
{
//Extended API spectrum analyzer data
ushort nReceivedLength = (byte)strReceived[2];
nReceivedLength = (ushort)(nReceivedLength * 0x100 + (byte)strReceived[3]);
if (strReceived.Length >= (4 + nReceivedLength + 2))
{
if (nReceivedLength <= MAX_SPECTRUM_STEPS)
{
string sNewLine = "$S" + strReceived.Substring(4, nReceivedLength);
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(sNewLine);
Monitor.Exit(m_arrReceivedData);
}
else
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("Ignored $S of size " + nReceivedLength.ToString() + " expected " + FreqSpectrumSteps.ToString());
Monitor.Exit(m_arrReceivedData);
}
string sLeftOver = strReceived.Substring(4 + nReceivedLength + 2);
strReceived = sLeftOver;
}
}
else if ((strReceived.Length > 10) && (strReceived[1] == 'R'))
{
//Raw data
int nPos = strReceived.IndexOf('-');
if ((nPos > 2) && (nPos < 10))
{
int nSize = Convert.ToInt32(strReceived.Substring(2, nPos - 2));
if (strReceived.Length > (nSize + nPos + 2))
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("Received RAW data " + nSize.ToString());
m_arrReceivedData.Enqueue("$R" + strReceived.Substring(nPos + 1, nSize));
Monitor.Exit(m_arrReceivedData);
strReceived = strReceived.Substring(nSize + nPos + 1 + 2);
}
}
}
}
else
{
int nEndPos = strReceived.IndexOf("\r\n");
if (nEndPos >= 0)
{
string sNewLine = strReceived.Substring(0, nEndPos);
string sLeftOver = strReceived.Substring(nEndPos + 2);
strReceived = sLeftOver;
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue(sNewLine);
Monitor.Exit(m_arrReceivedData);
}
else
{
//diagnosis only
if (m_bDebugTraces)
{
Monitor.Enter(m_arrReceivedData);
m_arrReceivedData.Enqueue("DEBUG partial:" + strReceived);
Monitor.Exit(m_arrReceivedData);
}
}
}
}
if (m_eMode!=eMode.MODE_TRACKING)
Thread.Sleep(10);
else
Thread.Sleep(2); //in tracking mode we want to be as fast as possible
}
Thread.Sleep(500);
}
}
/// <summary>
///
///
///
/// </summary>
/// <param name="sFile"></param>
/// <returns></returns>
//
/// <summary>
/// Will load a RFE standard file from disk. If the file format is incorrect (unknown) will return false but will not invalidate the internal container
/// If there are file exceptions, will be received by the caller so should react with appropriate error control
/// If file is successfully loaded, all previous container data is lost and replaced by data from file
/// </summary>
/// <param name="sFile">File name to load</param>
/// <param name="sModelText">model data text. If it is a normal sweep file, then this comes from spectrum analyzer. If it is tracking or normalization
/// then this is from both signal generator and spectrum analyzer</param>
/// <param name="sConfigurationText">configuration text. If it is a normal sweep file, then this comes from spectrum analyzer. If it is tracking or normalization
/// then this is from Signal Generator and some required parameters from spectrum analyzer too.</param>
/// <returns></returns>
public bool LoadFile(string sFile, out string sModelText, out string sConfigurationText)
{
sConfigurationText = "Configuration info Unknown - Old file format";
sModelText = "Model Unknown - Old file format";
FileStream myFile = null;
try
{
myFile = new FileStream(sFile, FileMode.Open);
using (BinaryReader binStream = new BinaryReader(myFile))
{
myFile = null;
string sHeader = binStream.ReadString();
if ((sHeader != FileHeaderVersioned()) && (sHeader != FileHeaderVersioned_001()))
{
//unknown format
return(false);
}
double fStartFrequencyMHZ = binStream.ReadDouble();
double fStepFrequencyMHZ = binStream.ReadDouble();
UInt32 nMaxDataIndex = 0;
if (sHeader == FileHeaderVersioned_001())
{
//in version 001 we saved a 16 bits integer
nMaxDataIndex = binStream.ReadUInt16();
}
else
{
nMaxDataIndex = binStream.ReadUInt32();
}
UInt16 nTotalSteps = binStream.ReadUInt16();
if (sHeader != FileHeaderVersioned_001())
{
sConfigurationText = "From file: " + binStream.ReadString();
sModelText = "From file: " + binStream.ReadString();
}
//We initialize internal data only if the file was ok and of the right format
CleanAll();
m_arrData = new RFESweepData[nMaxDataIndex];
for (UInt32 nSweepInd = 0; nSweepInd < nMaxDataIndex; nSweepInd++)
{
RFESweepData objRead = new RFESweepData((float)fStartFrequencyMHZ, (float)fStepFrequencyMHZ, nTotalSteps);
if (sHeader == FileHeaderVersioned_001())
{
objRead.CaptureTime = new DateTime(2000, 1, 1); //year 2000 means no actual valid date-time was captured
}
else
{
//Starting in version 002, load sweep capture time too
int nLength = (int)binStream.ReadInt32();
string sTime = (string)binStream.ReadString();
if ((sTime.Length == nLength) && (nLength > 0))
{
objRead.CaptureTime = DateTime.Parse(sTime);
}
}
for (UInt16 nStep = 0; nStep < nTotalSteps; nStep++)
{
objRead.SetAmplitudeDBM(nStep, (float)binStream.ReadDouble());
}
Add(objRead);
}
}
}
finally
{
if (myFile != null)
{
myFile.Dispose();
}
}
return(true);
}
/// <summary>
/// Saves a file in RFE standard format. Note it will not handle exceptions so the calling application can deal with GUI details
/// Note: if there are sweeps with different start/stop frequencies, only the first one will be saved to disk
/// </summary>
/// <param name="sFilename"></param>
public void SaveFile(string sFilename, string sModelText, string sConfigurationText, RFEAmplitudeTableData AmplitudeCorrection)
{
if (m_nUpperBound < 0)
{
return;
}
RFESweepData objFirst = m_arrData[0];
int nTotalSweepsActuallySaved = 0;
//Save file
FileStream myFile = null;
try
{
myFile = new FileStream(sFilename, FileMode.Create);
using (BinaryWriter binStream = new BinaryWriter(myFile))
{
binStream.Write((string)FileHeaderVersioned());
binStream.Write((double)objFirst.StartFrequencyMHZ);
binStream.Write((double)objFirst.StepFrequencyMHZ);
//NOTE: if we have different values for start/stop, we are saying we have more than we actually saved
//This is why we will save these parameters later again with nTotalSweepsActuallySaved
binStream.Write((UInt32)m_nUpperBound);
binStream.Write((UInt16)objFirst.TotalSteps);
binStream.Write((string)sConfigurationText);
binStream.Write((string)sModelText);
for (int nSweepInd = 0; nSweepInd <= m_nUpperBound; nSweepInd++)
{
if (!m_arrData[nSweepInd].IsSameConfiguration(objFirst))
{
break;
}
//new in v002 - save date/time for each captured sweep
string sTime = m_arrData[nSweepInd].CaptureTime.ToString("o");
binStream.Write((Int32)sTime.Length);
binStream.Write((string)sTime);
nTotalSweepsActuallySaved++;
for (UInt16 nStep = 0; nStep < objFirst.TotalSteps; nStep++)
{
binStream.Write((double)m_arrData[nSweepInd].GetAmplitudeDBM(nStep, AmplitudeCorrection, AmplitudeCorrection != null));
}
}
//Save file fields again (will overwrite old ones), just to make sure nTotalSweepsActuallySaved is properly saved with actual value used
myFile.Seek(0, SeekOrigin.Begin);
binStream.Write((string)FileHeaderVersioned());
binStream.Write((double)objFirst.StartFrequencyMHZ);
binStream.Write((double)objFirst.StepFrequencyMHZ);
binStream.Write((Int32)nTotalSweepsActuallySaved);
}
}
finally
{
if (myFile != null)
{
myFile.Dispose();
}
}
try
{
myFile = new FileStream(sFilename, FileMode.Open);
using (BinaryWriter binStream = new BinaryWriter(myFile))
{
myFile = null;
binStream.Write(FileHeaderVersioned());
binStream.Write(objFirst.StartFrequencyMHZ);
binStream.Write(objFirst.StepFrequencyMHZ);
binStream.Write(nTotalSweepsActuallySaved);
}
}
finally
{
if (myFile != null)
{
myFile.Dispose();
}
}
}
public bool IsSameConfiguration(RFESweepData objOther)
{
return(Math.Abs(objOther.StartFrequencyMHZ - StartFrequencyMHZ) < 0.001 && Math.Abs(objOther.StepFrequencyMHZ - StepFrequencyMHZ) < 0.001 && (objOther.TotalSteps == TotalSteps));
}
