Agilent Technologies InfiniiVision 5000 Series Programmer's Manual page 700

12
Programming Examples
700
' YORIGIN : float32 - value of the voltage at center
'
' YREFERENCE : int32 - data point where y-origin occurs.
Console.WriteLine("Reading preamble.")
Dim fResultsArray As Double()
fResultsArray = myScope.DoQueryValues(":WAVeform:PREamble?")
Dim fFormat As Double = fResultsArray(0)
Console.WriteLine("Preamble FORMat: {0:e}", fFormat)
Dim fType As Double = fResultsArray(1)
Console.WriteLine("Preamble TYPE: {0:e}", fType)
Dim fPoints As Double = fResultsArray(2)
Console.WriteLine("Preamble POINts: {0:e}", fPoints)
Dim fCount As Double = fResultsArray(3)
Console.WriteLine("Preamble COUNt: {0:e}", fCount)
Dim fXincrement As Double = fResultsArray(4)
Console.WriteLine("Preamble XINCrement: {0:e}", fXincrement)
Dim fXorigin As Double = fResultsArray(5)
Console.WriteLine("Preamble XORigin: {0:e}", fXorigin)
Dim fXreference As Double = fResultsArray(6)
Console.WriteLine("Preamble XREFerence: {0:e}", fXreference)
Dim fYincrement As Double = fResultsArray(7)
Console.WriteLine("Preamble YINCrement: {0:e}", fYincrement)
Dim fYorigin As Double = fResultsArray(8)
Console.WriteLine("Preamble YORigin: {0:e}", fYorigin)
Dim fYreference As Double = fResultsArray(9)
Console.WriteLine("Preamble YREFerence: {0:e}", fYreference)
' QUERY_WAVE_DATA - Outputs waveform records to the controller
' over the interface that is stored in a buffer previously
' specified with the ":WAVeform:SOURce" command.
' READ_WAVE_DATA - The wave data consists of two parts: the
' header, and the actual waveform data followed by a
' New Line (NL) character.
' format:
'
' <header><waveform data block><NL>
'
' Where:
'
' <header> = #800002048
'
' The "#8" may be stripped off of the header and the remaining
' numbers are the size, in bytes, of the waveform data block.
' The size can vary depending on the number of points acquired
' for the waveform which can be set using the
Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Guide
screen.
The query data has the following
(this is an example header)