MATLAB INSTRUMENT CONTROL TOOLBOX - RELEASE NOTES Bedienungsanleitung PDF herunterladen (Seite 13)

Using the Instrument Control Toolbox

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

try

%% simple settings

% switch rf off

instr_rf = 0;

groupObj = get(deviceObj, 'RFSignalandAnalogMod');

groupObj = groupObj(1);

invoke(groupObj, 'setallrfoutputsstate', instr_rf);

% set total power to 0dB

groupObj = get(deviceObj, 'BasebandSignal3GPPFDD');

groupObj = groupObj(1);

invoke(groupObj, 'w3gppadjusttotalpowerto0db', instr_path);

% read power back

nstr_w3gpp_power = -1;

roupObj = get(deviceObj, 'BasebandSignal3GPPFDD');

groupObj = groupObj(1);

[

instr_w3gpp_power] = invoke(groupObj, 'getw3gpptotalpower', instr_path);

% switch 3GPP on

nstr_path = 1;

instr_3gppState = 1;

groupObj = get(deviceObj, 'BasebandSignal3GPPFDD');

groupObj = groupObj(1);

invoke(groupObj, 'setw3gppfddstate', instr_path, instr_3gppState);

% switch rf on

instr_outputstate = 1;

groupObj = get(deviceObj, 'RFSignalandAnalogMod');

groupObj = groupObj(1);

invoke(groupObj, 'setoutputstate', instr_path, instr_outputstate);

%finished

catch ME

%% evaluate error

errLen = 1024;

errCode = -1;

errMsg = zeros(errLen, 1);

%query instrument for errors

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;

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MATLAB INSTRUMENT CONTROL TOOLBOX - RELEASE NOTES Bedienungsanleitung Seite 13

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