public VisaInstrumentApp()
{
try
{
myScope = new VisaInstrument("USB0::0x0957::0x17A6::MY52010925::0::INSTR");
myScope.SetTimeoutSeconds(10);
// Initialize - start from a known state.
Initialize();
// Capture data.
Capture();
// Analyze the captured waveform.
Analyze();
}
catch (System.ApplicationException err)
{
Console.WriteLine("*** VISA Error Message : " + err.Message);
}
catch (System.SystemException err)
{
Console.WriteLine("*** System Error Message : " + err.Message);
}
catch (System.Exception err)
{
System.Diagnostics.Debug.Fail("Unexpected Error");
Console.WriteLine("*** Unexpected Error : " + err.Message);
}
finally
{
myScope.Close();
}
}
private bool InstrScopeImage(int Count, string instruCmd, ref string RdStr)
{
bool ret = true;
string strPath = null, FileName = null;
SL_IO_Util IOUtil = new SL_IO_Util();
byte[] ScopeScreenResultsArray; // Screen Results array.
int g_ScreenLength;
VisaInstrument visaScope = new VisaInstrument(EquipUtil[Count].getInstrName());
//ScopeList.SimpleScopeGraph(devices[1], ":DISPLAY:DATA? PNG, SCREEN, COLOR\r\n");
// Download the screen image.
// -----------------------------------------------------------
visaScope.SetTimeoutSeconds(30000);
visaScope.DoCommand(":STOP");
visaScope.DoCommand(":HARDcopy:INKSaver OFF");
// Get the screen data.
g_ScreenLength = visaScope.DoQueryIEEEBlock(":DISPlay:DATA? PNG, COLor", out ScopeScreenResultsArray);
if (instruCmd.CompareTo("auto") == 0)
{
FileName = "Scope_" + DateTime.Now.ToLocalTime().ToString("yyyyMMdd-HHmmss") + ".png";
}
else
{
FileName = instruCmd;
}
strPath = Setting.ExeScopeDirPath + "\\" + FileName;
if (IOUtil.isFileExist(strPath))
{
IOUtil.FileDelete(strPath);
}
if (IOUtil.GetExtName(strPath).CompareTo("png") != 0)
{
strPath += ".png";
}
FileStream fStream = File.Open(strPath, FileMode.Create);
fStream.Write(ScopeScreenResultsArray, 0, g_ScreenLength);
fStream.Close();
visaScope.DoCommand(":RUN");
visaScope.Close();
return(ret);
}