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Keysight InfiniiVision M9241/42/43A PXIe Oscilloscopes SCPI Programmer's Guide
40
Programming Examples
writer.WriteLine("{0:f9}, {1:f6}",
fX ((float)i * fXincrement),
(((float)ResultsArray[i] - fYreference) *
fYincrement) + fYorigin);
// Close output file.
writer.Close();
Console.WriteLine("Waveform format BYTE data written to {0}",
strPath);
}
}
class VisaInstrument
{
private int m_nResourceManager;
private int m_nSession;
private string m_strVisaAddress;
// Constructor.
public VisaInstrument(string strVisaAddress)
{
// Save VISA address in member variable.
m_strVisaAddress = strVisaAddress;
// Open the default VISA resource manager.
OpenResourceManager();
// Open a VISA resource session.
OpenSession();
// Clear the interface.
int nViStatus;
nViStatus = visa32.viClear(m_nSession);
}
public void DoCommand(string strCommand)
{
// Send the command.
VisaSendCommandOrQuery(strCommand);
// Check for inst errors.
CheckInstrumentErrors(strCommand);
}
public int DoCommandIEEEBlock(string strCommand,
byte[] DataArray)
{
// Send the command to the device.
string strCommandAndLength;
int nViStatus, nLength, nBytesWritten;
nLength = DataArray.Length;
strCommandAndLength = String.Format("{0} #8%08d",
strCommand);
// Write first part of command to formatted I/O write buffer.
nViStatus = visa32.viPrintf(m_nSession, strCommandAndLength,
