Agilent Technologies N5181A/82A, N5183A MXG, E8663B manual 330

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/ register pair. This ensures the index file has an entry for the specified 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);

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