MATLAB INSTRUMENT CONTROL TOOLBOX - RELEASE NOTES Instrukcja Użytkownika Pobierz pdf (Strona 27)

Using MATLAB's Interface for External Libraries

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

if ( err )

error ('Connection to instrument failed')

end

while (true)

%% simple settings

% set instrument to single sweep

instr_window = 1;

instr_sweepModeCont = 0;

instr_numOfSweeps = 1;

[err] = calllib(vxipnpLib, 'rsspecan_ConfigureAcquisition', instr_session,

instr_window, instr_sweepModeCont, instr_numOfSweeps);

if ( err )

reak

end

configure sweep points

instr_window = 1;

nstr_sweepPoints = 501;

[err] = calllib(vxipnpLib, 'rsspecan_ConfigureSweepPoints', instr_session,

instr_window, instr_sweepPoints);

f ( err )

break

end

% configure RF parameters

instr_freqCenter = 1.1e9;

instr_freqSpan = 1e6;

[err] = calllib(vxipnpLib, 'rsspecan_ConfigureFrequencyCenterSpan',

instr_session, instr_window, instr_freqCenter, instr_freqSpan);

if ( err )

break

end

%% read trace

instr_trace = 1;

instr_timeoutMs = 15000;

instr_arrayLen = instr_sweepPoints;

instr_arrayActualLen = -1;

instr_amplitude = zeros(instr_arrayLen,1);

[err, instr_arrayActualLen, instr_amplitude] = calllib(vxipnpLib,

'rsspecan_ReadYTrace', instr_session, instr_window, instr_trace,

instr_timeoutMs, instr_arrayLen, instr_arrayActualLen, instr_amplitude);

if ( err )

break

end

%do something

plot(instr_amplitude)

%% cleanup

[err] = calllib(vxipnpLib, 'rsspecan_close', instr_session);

if ( err )

break

end

%exit loop

break

end

%% evaluate error

if ( err )

errCode = err;

errLen = 1024;

errMsg = zeros(errLen,1);

disp( '*** Error occured' );

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MATLAB INSTRUMENT CONTROL TOOLBOX - RELEASE NOTES Instrukcja Użytkownika Strona 27

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