Agilent Technologies InfiniiVision 5000 Series Programmer's Manual page 725

Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Guide
Console.WriteLine("Preamble XREFerence: {0:e}", fXreference);
double fYincrement = fResultsArray[7];
Console.WriteLine("Preamble YINCrement: {0:e}", fYincrement);
double fYorigin = fResultsArray[8];
Console.WriteLine("Preamble YORigin: {0:e}", fYorigin);
double fYreference = fResultsArray[9];
Console.WriteLine("Preamble YREFerence: {0:e}", fYreference);
/* QUERY_WAVE_DATA - Outputs waveform records to the controller
* over the interface that is stored in a buffer previously
* specified with the ":WAVeform:SOURce" command.
*/
/* READ_WAVE_DATA - The wave data consists of two parts: the
* header, and the actual waveform data followed by a
* New Line (NL) character.
* format:
*
* <header><waveform data block><NL>
*
* Where:
*
* <header> = #800002048
*
* The "#8" may be stripped off of the header and the remaining
* numbers are the size, in bytes, of the waveform data block.
* The size can vary depending on the number of points acquired
* for the waveform which can be set using the
* ":WAVEFORM:POINTS" command.
* of bytes from the oscilloscope; then, read the following NL
* character to terminate the query.
*/
// Read waveform data.
nLength = oscp.DoQueryIEEEBlock(":WAVeform:DATA?",
out ResultsArray);
Console.WriteLine("Read waveform data ({0} bytes).", nLength);
// Make some calculations from the preamble data.
double fVdiv = 32 * fYincrement;
double fOffset = fYorigin;
double fSdiv = fPoints * fXincrement / 10;
double fDelay = (fPoints / 2) * fXincrement + fXorigin;
// Print them out...
Console.WriteLine("Scope Settings for Channel 1:");
Console.WriteLine("Volts per Division = {0:f}", fVdiv);
Console.WriteLine("Offset = {0:f}", fOffset);
Console.WriteLine("Seconds per Division = {0:e}", fSdiv);
Console.WriteLine("Delay = {0:e}", fDelay);
// Print the waveform voltage at selected points:
for (int i = 0; i < 1000; i = i + 50)
Console.WriteLine("Data point {0:d} = {1:f2} Volts at "
Programming Examples
The query data has the following
(this is an example header)
You may then read that number
12
725