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Keysight InfiniiVision 3000T X-Series Oscilloscopes Programmer's Guide
42
Programming Examples
CheckVisaStatus(nViStatus)
nViStatus = visa32.viFlush(m_nSession, visa32.VI_READ_BUF)
CheckVisaStatus(nViStatus)
Return length
End Function
Private Sub CheckInstrumentErrors(ByVal strCommand As String)
' Check for instrument errors.
Dim strInstrumentError As New StringBuilder(1000)
Dim bFirstError As Boolean = True
Do
' While not "0,No error"
VisaSendCommandOrQuery(":SYSTem:ERRor?")
strInstrumentError = VisaGetResultString()
If Not strInstrumentError.ToString().StartsWith("+0,") Then
If bFirstError Then
Console.WriteLine("ERROR(s) for command '{0}': ", _
strCommand)
bFirstError = False
End If
Console.Write(strInstrumentError)
End If
Loop While Not strInstrumentError.ToString().StartsWith("+0,")
End Sub
Private Sub OpenResourceManager()
Dim nViStatus As Integer
nViStatus = visa32.viOpenDefaultRM(Me.m_nResourceManager)
If nViStatus < visa32.VI_SUCCESS Then
Throw New
_
ApplicationException("Failed to open Resource Manager")
End If
End Sub
Private Sub OpenSession()
Dim nViStatus As Integer
nViStatus = visa32.viOpen(Me.m_nResourceManager, _
Me.m_strVisaAddress, visa32.VI_NO_LOCK, _
visa32.VI_TMO_IMMEDIATE, Me.m_nSession)
CheckVisaStatus(nViStatus)
End Sub
Public Sub SetTimeoutSeconds(ByVal nSeconds As Integer)
Dim nViStatus As Integer
nViStatus = visa32.viSetAttribute(Me.m_nSession, _
visa32.VI_ATTR_TMO_VALUE, nSeconds * 1000)
CheckVisaStatus(nViStatus)
End Sub
Public Sub CheckVisaStatus(ByVal nViStatus As Integer)
' If VISA error, throw exception.
If nViStatus < visa32.VI_SUCCESS Then
Dim strError As New StringBuilder(256)
visa32.viStatusDesc(Me.m_nResourceManager, nViStatus, strError)
Throw New ApplicationException(strError.ToString())
Содержание InfiniiVision 3000T X Series
Страница 1: ...Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide...
Страница 40: ...40 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 1 What s New...
Страница 50: ...50 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 2 Setting Up...
Страница 64: ...64 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 3 Getting Started...
Страница 164: ...164 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 4 Commands Quick Reference...
Страница 254: ...254 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 8 BUS n Commands...
Страница 286: ...286 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 10 CHANnel n Commands...
Страница 306: ...306 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 12 DEMO Commands...
Страница 314: ...314 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 13 DIGital d Commands...
Страница 344: ...344 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 16 EXTernal Trigger Commands...
Страница 352: ...352 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 17 FFT Commands FFT WINDow on page 362...
Страница 364: ...364 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 17 FFT Commands...
Страница 402: ...402 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 18 FUNCtion m Commands...
Страница 420: ...420 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 19 HARDcopy Commands...
Страница 442: ...442 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 21 MARKer Commands...
Страница 466: ...466 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 22 MEASure Commands MEASure CLEar on page 464...
Страница 524: ...524 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 22 MEASure Commands...
Страница 548: ...548 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 23 MEASure Power Commands...
Страница 656: ...656 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 26 POWer Commands...
Страница 666: ...666 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 27 RECall Commands...
Страница 888: ...888 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 29 SBUS n Commands...
Страница 978: ...978 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 30 SEARch Commands...
Страница 1006: ...1006 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 32 TIMebase Commands...
Страница 1232: ...1232 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 37 Obsolete and Discontinued Commands...
Страница 1240: ...1240 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 38 Error Messages...
Страница 1264: ...1264 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 39 Status Reporting...
Страница 1274: ...1274 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 40 Synchronizing Acquisitions...
Страница 1404: ...1404 Keysight InfiniiVision 3000T X Series Oscilloscopes Programmer s Guide 42 Programming Examples...