Agilent-technologies N5183A MXG Manual de usuario descargar pdf (Pagina 341)

Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide 331

Creating and Downloading User-Data Files

Save and Recall Instrument State Files

string catalog = ReadDevice(device);

/* Match the catalog listing for state files which are named

(sequence#)_(register#) e.g. 0_01, 1_01, 2_05*/

Match m = Regex.Match(catalog, "\"(\\d_\\d\\d),");

while (m.Success)

{

// Grab the matched filename from the regular expresssion

string nextFile = m.Groups[1].ToString();

// Retrieve the file and store with a .STA extension

// in the current directory

Console.WriteLine("Retrieving state file: " + nextFile);

WriteDevice(device, "MEM:DATA? \"/USER/STATE/" + nextFile + "\"\n", true);

ReadFileBlock(device, nextFile + ".STA");

// Clear newline

ReadDevice(device);

// Advance to next match in catalog string

m = m.NextMatch();

}

/* This method writes an ASCII text string (SCPI command) to the signal generator.

If the bool "sendEnd" is true, the END line character will be sent at the

conclusion of the write. If "sendEnd is false the END line will not be sent.*/

static public void WriteDevice(uint device, string scpiCmd, bool sendEnd)

{

byte[] buf = Encoding.ASCII.GetBytes(scpiCmd);

if (!sendEnd) // Do not send the END line character

{

VisaInterop.SetAttribute(device, VisaAttribute.SendEndEnable, 0);

}

uint retCount;

VisaInterop.Write(device, buf, (uint)buf.Length, out retCount);

if (!sendEnd) // Set the bool sendEnd true.

{

VisaInterop.SetAttribute(device, VisaAttribute.SendEndEnable, 1);

}

// This method reads an ASCII string from the specified device

static public string ReadDevice(uint device)

{

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Agilent-technologies N5183A MXG Manual de usuario Pagina 341