//send to instrument by visacom
private string send_to_instrument(string fullcmd,string address,string cmd, IMessage ioDmm,int delay = 0)
{
WriteTraceText(fullcmd);
//IVisaSession basesession = null;
//IMessage talksession = null;
string strRd = "";
string instrumentAddress = address;
//lock
//this.WriteTraceText("\n");
lock (_lock_Instrument)
{
ioDmm.Clear();
ioDmm.WriteString(cmd);
if (delay != 0 && delay > 500)
Thread.Sleep(delay);
else
Thread.Sleep(500);
if (cmd.Contains("?"))
{
for (int i = 0; i < 5; i++)
{
try
{
strRd = ioDmm.ReadString(4069);
break;
}
catch (Exception exp)
{
ioDmm.Clear();
if (i != 9)
{
Thread.Sleep(200);
continue;
}
else
{
WriteErrorText("write/read to instrumen by visacom error: " + exp.Message);
throw new Exception(exp.Message);
}
}
}
}
}
strRd = strRd.TrimEnd('\n');
return strRd;
}
//in visacom mode
private void SaCapturebyVisacom(IMessage sesnCapture,string name = "",int delay = 5000)
{
StringBuilder filename = new StringBuilder();
if (name != "")
{
filename.Append(name).Append(@".png");
}
else
{
filename.Append(DateTime.Now.ToString("yyyy-MM-dd_HH_mm_ss")).Append(@".png");
}
string cmd = "MMEM:STOR:SCR \"D:\\rttscr.png\"";//;*OPC?
sesnCapture.WriteString(cmd);
sesnCapture.WriteString("MMEM:DATA? \"D:\\rttscr.png\"");
//this.sa_sesn.WriteString("CALCulate:DATA?");
byte[] readbuf;
readbuf = sesnCapture.Read(1000000);
//WriteDebugText(Encoding.ASCII.GetString(readbuf));
//if(delay>5000)
// Thread.Sleep(delay);
//else
// Thread.Sleep(5000);
sesnCapture.WriteString("MMEM:DEL \"D:\\rttscr.png\"");
sesnCapture.WriteString("*CLS");
byte[] size = { readbuf[1] };
byte[] newbuf = readbuf.Skip(2+ int.Parse(Encoding.ASCII.GetString(size))).Take(readbuf.Length-9).ToArray();
File.WriteAllBytes(_snapPath + filename.ToString(), newbuf);
}