MATLAB INSTRUMENT CONTROL TOOLBOX - RELEASE NOTES Instrukcja Użytkownika Pobierz pdf (Strona 14)

Using the Instrument Control Toolbox

1MA171_5e Rohde & Schwarz How to use Rohde & Schwarz Instruments in MATLAB

2.7 Application Example for the 32-bit rsspecan

Instrument Driver

%% Rohde & Schwarz GmbH & Co. KG

% MATLAB Instrument Control Toolbox example for R&S Specturm

% Analyzer Instrument Driver (rsspecan)

% Purpose: Test for rsspecan VXIplug&play instrument

% The driver configures a read trace measurement example

% Author: Juergen Engelbrecht, customersupport@rohde-schwarz.com

%% cleanup possible open connections

nstrreset;

try

% open driver session

% create a device object.

deviceObj = icdevice('rsspecan.mdd',

'TCPIP::FSV-123123::instr0::INSTR');

% connect device object to hardware.

connect(deviceObj)

% reset instrument

devicereset(deviceObj);

catch MException

%% cleanup driver session

% delete object

delete(deviceObj);

error('Connection to instrument failed')

end

try

%% example for using attributes

% configure center frequency

instr_cfrequency = 2e9;

% this decimal value is taken from the rsspecan.h file

instr_attr = 1000000+150000+9; %'RSSPECAN_ATTR_FREQUENCY_CENTER';

%attribute

instr_repcap = 'Win0'; %repeated capability

groupObj = get(deviceObj, 'ConfigurationSetGetCheckAttributeSetAttribute');

groupObj = groupObj(1);

invoke(groupObj, 'setattributevireal64', instr_repcap, instr_attr,

instr_cfrequency);

%% simple settings

% set instrument to single sweep

instr_window = 1;

instr_sweepModeCont = 0;

instr_numOfSweeps = 1;

groupObj = get(deviceObj, 'Configuration');

groupObj = groupObj(1);

invoke(groupObj, 'configureacquisition', instr_window, instr_sweepModeCont,

instr_numOfSweeps);

% configure sweep points

instr_sweepPoints = 501;

groupObj = get(deviceObj, 'Configuration');

groupObj = groupObj(1);

invoke(groupObj, 'configuresweeppoints', instr_window, instr_sweepPoints);

% configure RF parameters

instr_freqCenter = 1.1e9;

instr_freqSpan = 1e6;

groupObj = get(deviceObj, 'Configuration');

groupObj = groupObj(1);

invoke(groupObj, 'configurefrequencycenterspan', instr_window,

instr_freqCenter, instr_freqSpan);

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MATLAB INSTRUMENT CONTROL TOOLBOX - RELEASE NOTES Instrukcja Użytkownika Strona 14

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