Agilent Technologies InfiniiVision 3000 DSO-X 3054A Manual de servicio Pagina 914

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 970
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 913
914 Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide
37 Programming Examples
err = viVScanf(vi, "%lf" + vbLf, VarPtr(dblResult))
If (err <> VI_SUCCESS) Then HandleVISAError vi
DoQueryNumber = dblResult
CheckInstrumentErrors
End Function
Private Function DoQueryNumbers(query As String) As Long
Dim dblResult As Double
' Send query.
err = viVPrintf(vi, query + vbLf, 0)
If (err <> VI_SUCCESS) Then HandleVISAError vi
' Set up paramsArray for multiple parameter query returning array.
paramsArray(0) = VarPtr(retCount)
paramsArray(1) = VarPtr(dblArray(0))
' Set retCount to max number of elements array can hold.
retCount = DblArraySize
' Read numbers.
err = viVScanf(vi, "%,#lf" + vbLf, paramsArray(0))
If (err <> VI_SUCCESS) Then HandleVISAError vi
' retCount is now actual number of values returned by query.
DoQueryNumbers = retCount
CheckInstrumentErrors
End Function
Private Function DoQueryIEEEBlock_Bytes(query As String) As Long
' Send query.
err = viVPrintf(vi, query + vbLf, 0)
If (err <> VI_SUCCESS) Then HandleVISAError vi
' Set up paramsArray for multiple parameter query returning array.
paramsArray(0) = VarPtr(retCount)
paramsArray(1) = VarPtr(byteArray(0))
' Set retCount to max number of elements array can hold.
retCount = ByteArraySize
' Get unsigned integer bytes.
err = viVScanf(vi, "%#b" + vbLf, paramsArray(0))
If (err <> VI_SUCCESS) Then HandleVISAError vi
err = viFlush(vi, VI_READ_BUF)
If (err <> VI_SUCCESS) Then HandleVISAError vi
err = viFlush(vi, VI_WRITE_BUF)
Vista de pagina 913
1 2 ... 909 910 911 912 913 914 915 916 917 918 919 ... 969 970

Comentarios a estos manuales

Sin comentarios