MATLAB INSTRUMENT CONTROL TOOLBOX - RELEASE NOTES Bedienungsanleitung PDF herunterladen (Seite 15)

Using the Instrument Control Toolbox

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

%% read trace data

instr_trace = 1;

instr_timeoutMs = 15000;

instr_arrayLen = instr_sweepPoints;

instr_arrayActualLen = -1;

instr_amplitude = zeros(instr_arrayLen, 1);

groupObj = get(deviceObj, 'Measurement');

groupObj = groupObj(1);

[instr_arrayActualLen, instr_amplitude] = invoke(groupObj, 'readytrace',

instr_window, instr_trace, instr_timeoutMs, instr_arrayLen,

instr_amplitude);

%do something

lot(instr_amplitude)

finished

catch ME

%% evaluate error

errLen = 1024;

rrCode = -1;

errMsg = zeros(errLen, 1);

groupObj = get(deviceObj, 'Utility');

groupObj = groupObj(1);

[errCode, errMsg] = invoke(groupObj, 'errorquery');

% disconnect device object from hardware

disconnect(deviceObj);

% delete object

delete(deviceObj);

error('Exception: %s\nInstrument Error: %d: %s\n', ME.message, errCode,

char(errMsg));

end

%% cleanup driver session

% disconnect device object from hardware.

disconnect(deviceObj);

% delete object

delete(deviceObj);

%cleanup workspace

clear all;

2.8 Known Problems

Conversion of the MATLAB 2009b Instrument Control Toolbox for Rohde & Schwarz

attribute-based instrument drivers is not working correctly in some cases.

Please install the following patches for MATLAB

 ivicDriverPropertyNameFix.zip

 RSIVICAttributsBasedDriverFix.zip

 ivicDriverArgumentFix.zip

These patches are available at http://www.rohde-schwarz.com/appnote/1MA171.

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MATLAB INSTRUMENT CONTROL TOOLBOX - RELEASE NOTES Bedienungsanleitung Seite 15

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