Example MATLAB script to implement the Laser Lock Box (basic)

%% Basic Laser Lock Box Example
%
%  This example demonstrates how you can configure the Laser Lock Box 
%  Instrument.
%
%  (c) 2022 Liquid Instruments Pty. Ltd.
%


%% Connect to your Moku
% Connect to your Moku by its IP address and deploy the Laser Lock Box
% instrument.
i = MokuLaserLockBox('192.168.###.###');


try
    %% Configure the instrument
    
    % Configure the frontend
    % Channel 1 DC coupled, 1 Mohm impedance, and 400 mVpp range
    i.set_frontend(1, 'DC', '1MOhm','0dB');
    % Channel 2 DC coupled, 1 Mohm impedance, and 4 Vpp range
    i.set_frontend(2, 'DC', '1MOhm','-20dB');
    
    % Configure the scan oscillator to a 10 Hz 500 mVpp positive ramp
    % signal from Output 1
    i.set_scan_oscillator('enable',true,'shape','PositiveRamp', ...
        'frequency',10,'amplitude',0.5,'output','Output1');
    
    % Configure demodulation signal to Local Oscillator at 1 MHz and no
    % phase shift
    i.set_demodulation('Internal','frequency',1e6,'phase',0);
    
    % Set low pass filter to 100 kHz corner frequency with 6 dB/octave slope
    i.set_filter('shape','Lowpass','low_corner',100e3,'order',4);
    
    % Set the fast PID controller to -10 dB proportional gain and
    % intergrator crossover frequency at 3 kHz
    i.set_pid_by_frequency(1,-10,'int_crossover',3e3);
    % Set the slow PID controller to -10 dB proportional gain and
    % intergrator crossover frequency at 50 Hz
    i.set_pid_by_frequency(2,-10,'int_crossover',50);
    
    % Enable the output channels
    i.set_output(1,true,true);
    i.set_output(2,true,true);
    
catch ME
    % End the current connection session with your Moku
    i.relinquish_ownership();
    rethrow(ME)
end


i.relinquish_ownership();