650 Keysight InfiniiVision DSOX1204A/G Oscilloscopes Programmer's Guide
28 :WAVeform Commands
• ":ACQuire:COUNt" on page 180
• ":ACQuire:POINts" on page 182
• ":ACQuire:TYPE" on page 189
• ":DIGitize" on page 143
• ":WAVeform:COUNt" on page 641
• ":WAVeform:DATA" on page 642
• ":WAVeform:FORMat" on page 644
• ":WAVeform:POINts" on page 645
• ":WAVeform:TYPE" on page 659
• ":WAVeform:XINCrement" on page 662
• ":WAVeform:XORigin" on page 663
• ":WAVeform:XREFerence" on page 664
• ":WAVeform:YINCrement" on page 665
• ":WAVeform:YORigin" on page 666
• ":WAVeform:YREFerence" on page 667
Example Code
' GET_PREAMBLE - The preamble block contains all of the current
'
WAVEFORM
settings.
It
is
returned
in
t
he
form
<preamble_block><NL>
'
where
<preamble_block>
is:
' FORMAT : int16-0=BYTE, 1 = WORD, 4 = ASCII.
' TYPE : int16-0=NORMAL, 1 = PEAK DETECT, 2 = AVERAGE
' POINTS : int32 - number of data points transferred.
' COUNT : int32-1andisalways1.
' XINCREMENT : float64 - time difference between data points.
' XORIGIN : float64 - always the first data point in memory.
' XREFERENCE : int32 - specifies the data point associated with
' x-origin.
' YINCREMENT : float32 - voltage diff between data points.
' YORIGIN : float32 - value is the voltage at center screen.
' YREFERENCE : int32 - specifies the data point where y-origin
' occurs.
Dim Preamble()
Dim intFormat As Integer
Dim intType As Integer
Dim lngPoints As Long
Dim lngCount As Long
Dim dblXIncrement As Double
Dim dblXOrigin As Double
Dim lngXReference As Long
Dim sngYIncrement As Single
Dim sngYOrigin As Single
Dim lngYReference As Long
Dim strOutput As String
myScope.WriteString ":WAVEFORM:PREAMBLE?" ' Query for the preamble.
Preamble() = myScope.ReadList ' Read preamble information.
intFormat = Preamble(0)
intType = Preamble(1)
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