Agilent Technologies Infiniium 90000 Q-Series, Руководство программиста

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Sample Programs
38
Agilent Infiniium 90000 Series Oscilloscopes Programmer's Reference 1085
// 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,
nLength);
CheckVisaStatus(nViStatus);
// Write the data to the formatted I/O write buffer.
nViStatus = visa32.viBufWrite(m_nSession, DataArray, nLength,
out nBytesWritten);
CheckVisaStatus(nViStatus);
// Check for inst errors.
CheckInstrumentErrors(strCommand);
return nBytesWritten;
}
public StringBuilder DoQueryString(string strQuery)
{
// Send the query.
VisaSendCommandOrQuery(strQuery);
// Get the result string.
StringBuilder strResults = new StringBuilder(1000);
strResults = VisaGetResultString();