Technical data

142 Agilent N8211A/N8212A Performance Upconverter Synthetic Instrument Module, 250 kHz to 20 / 40 GHz
5 Creating and Downloading User-Data Files
VisaInterop.Read(device, buf, 2, out retCount);
VisaInterop.Read(device, buf, (uint)(buf[1]-'0'), out retCount);
uint fileSize = UInt32.Parse(Encoding.ASCII.GetString(buf, 0, (int)retCount));
// Read the file block from the signal generator
byte[] readBuf = new byte[TRANSFER_BLOCK_SIZE];
uint bytesRemaining = fileSize;
while (bytesRemaining != 0)
{
uint bytesToRead = (bytesRemaining < TRANSFER_BLOCK_SIZE) ?
bytesRemaining : TRANSFER_BLOCK_SIZE;
VisaInterop.Read(device, readBuf, bytesToRead, out retCount);
fs.Write(readBuf, 0, (int)retCount);
bytesRemaining -= retCount;
}
// Done with file
fs.Close();
}
/* The following method writes the contents of the specified file to the
specified file in the form of a SCPI definite block. A newline is
NOT appended to the block and END is not sent at the conclusion of the
write.*/
static public void WriteFileBlock(uint device, string fileName)
{
// Make sure that the file exists, otherwise sends a null block
if (File.Exists(fileName))
{
FileStream fs = new FileStream(fileName, FileMode.Open);