Agilent Technologies E8257D PSG Bedienungsanleitung PDF herunterladen (Seite 353)

Agilent N516xA, N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide 341

Creating and Downloading User–Data Files

Save and Recall Instrument State Files

the local directory (identified by a ".STA" file name extension)

to the signal generator.*/

static public void RestoreInstrumentState(uint device)

{

DirectoryInfo di = new DirectoryInfo(".");// Instantiate object class

FileInfo[] rgFiles = di.GetFiles("*.STA"); // Get the state files

foreach(FileInfo fi in rgFiles)

{

Match m = Regex.Match(fi.Name, @"^(\d)_(\d\d)");

if (m.Success)

{

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

string register = m.Groups[2].ToString();

Console.WriteLine("Restoring sequence #" + sequence +

", register #" + register);

/* Save the target instrument's current state to the specified sequence/

sequence/register pair. This workaround will not be necessary in future

revisions of firmware.*/

WriteDevice(device,"*SAV " + register + ", " + sequence + "\n",

true); // << on SAME line!

// Overwrite the newly created state file with the state

// file that is being restored.

WriteDevice(device, "MEM:DATA \"/USER/STATE/" + m.ToString() + "\",",

false); // << on SAME line!

WriteFileBlock(device, fi.Name);

WriteDevice(device, "\n", true);

}

/* This method reads out all the sequence/register state files from the signal

generator and stores them in your computer's local directory with a ".STA"

extension */

static public void BackupInstrumentState(uint device)

{

// Get the memory catalog for the state directory

WriteDevice(device, "MEM:CAT:STAT?\n", false);

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Agilent Technologies E8257D PSG Bedienungsanleitung Seite 353