% GeneratorGatedBurst.m
%
% This example generates a 10 kHz square waveform, 5 Vpp when the external trigger input is active.
%
% Find more information on http://www.tiepie.com/LibTiePie .
if verLessThan('matlab', '8')
error('Matlab 8.0 (R2012b) or higher is required.');
end
% Open LibTiePie and display library info if not yet opened:
import LibTiePie.Const.*
import LibTiePie.Enum.*
if ~exist('LibTiePie', 'var')
% Open LibTiePie:
LibTiePie = LibTiePie.Library
end
% Enable network search:
LibTiePie.Network.AutoDetectEnabled = true;
% Search for devices:
LibTiePie.DeviceList.update();
% Try to open a generator with arbitrary support:
clear gen;
for k = 0 : LibTiePie.DeviceList.Count - 1
item = LibTiePie.DeviceList.getItemByIndex(k);
if item.canOpen(DEVICETYPE.GENERATOR)
gen = item.openGenerator();
if ismember(GM.GATED_PERIODS, gen.ModesNative) && ~isempty(gen.TriggerInputs)
break;
else
clear gen;
end
end
end
clear item
if exist('gen', 'var')
% Set signal type:
gen.SignalType = ST.SQUARE;
% Set frequency:
gen.Frequency = 10e3; % 10 kHz
% Set amplitude:
gen.Amplitude = 5; % 5 V
% Set offset:
gen.Offset = 0; % 0 V
% Set mode:
gen.Mode = GM.GATED_PERIODS;
% Locate trigger input:
triggerInput = gen.getTriggerInputById(TIID.EXT1); % EXT 1
if triggerInput == false
clear triggerInput;
clear gen;
error('Unknown trigger input!');
end
% Enable trigger input:
triggerInput.Enabled = true;
% Release reference to trigger input:
clear triggerInput;
% Enable output:
gen.OutputOn = true;
% Print generator info:
display(gen);
% Start signal burst:
gen.start();
% Wait for keystroke:
display('Press any key to stop signal generation...');
waitforbuttonpress;
% Stop generator:
gen.stop();
% Disable output:
gen.OutputOn = false;
% Close generator:
clear gen;
else
error('No generator available with gated burst support!');
end