Programming Examples 12
Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Guide 751
' x-origin.
' YINCREMENT : float32 - voltage difference 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)
lngPoints = Preamble(2)
lngCount = Preamble(3)
dblXIncrement = Preamble(4)
dblXOrigin = Preamble(5)
lngXReference = Preamble(6)
sngYIncrement = Preamble(7)
sngYOrigin = Preamble(8)
lngYReference = Preamble(9)
strOutput = ""
'strOutput = strOutput + "Format = " + CStr(intFormat) + vbCrLf
'strOutput = strOutput + "Type = " + CStr(intType) + vbCrLf
'strOutput = strOutput + "Points = " + CStr(lngPoints) + vbCrLf
'strOutput = strOutput + "Count = " + CStr(lngCount) + vbCrLf
'strOutput = strOutput + "X increment = " + _
' FormatNumber(dblXIncrement * 1000000) + _
' " us" + vbCrLf
'strOutput = strOutput + "X origin ="+_
' FormatNumber(dblXOrigin * 1000000) + _
' " us" + vbCrLf
'strOutput = strOutput + "X reference = " + _
' CStr(lngXReference) + vbCrLf
'strOutput = strOutput + "Y increment = " + _
' FormatNumber(sngYIncrement * 1000) + _
' " mV" + vbCrLf
'strOutput = strOutput + "Y origin ="+_
' FormatNumber(sngYOrigin) + " V" + vbCrLf
'strOutput = strOutput + "Y reference = " + _
' CStr(lngYReference) + vbCrLf
strOutput = strOutput + "Volts/Div ="+_
FormatNumber(lngVSteps * sngYIncrement / 8) + _
" V" + vbCrLf
strOutput = strOutput + "Offset = " + _
FormatNumber(sngYOrigin)+"V"+vbCrLf
strOutput = strOutput + "Sec/Div = " + _
FormatNumber(lngPoints * dblXIncrement / 10 * _