fixed issues and modiefied program for varying delays.

examples/redpitaya/Oscilloscope_example.m

 %% alter path to your python (3.8 is tested) distribution here
-py_path = 'C:\Users\Arthur-Vincent\AppData\Local\Programs\Python\Python38\python.exe';
-broker_ip = '127.0.0.1';
+py_path = 'C:\Users\49151\AppData\Local\Programs\Python\Python37\python.exe';
+broker_ip = '192.168.0.1';
 
 
 %% Init components
 %oscilloscope properties --> delivering mqtt string for RedPitaya Inputs
 %mqtt stuff
 addpath('../../lib');
-addpath('../../lib/redpitaya');
+addpath('../../lib/redpitaya'); 
+myMqtt = mqtt_py_matlab(py_path);
+myMqtt.connect_mqtt(broker_ip);
+for delay = -1e-3:5e-5:1e-3
+    op = OscilloscopeProperties(); % get an object of the OscilloscopeProperties class
 
-op = OscilloscopeProperties(); % get an object of the OscilloscopeProperties class
+    % Two options to set sample rate
+    op = op.set_sample_rate_by_div(1.01e-4); % Set time per Oszilloscope-Div
+    %op.SampleRate = 15.6e6; % Set samplerate in MHz
 
-% Two options to set sample rate
-op = op.set_sample_rate_by_div(1.01e-4); % Set time per Oszilloscope-Div
-%op.SampleRate = 15.6e6; % Set samplerate in MHz
+    op.TriggerDelay = delay; %Delay in samples (0 delay -> Start writing in the center of the buffer)     
 
-op.TriggerDelay =+8192; %Delay in samples (0 delay -> Start writing in the center of the buffer)     
+    op.TriggerLevel = .2; % Trigger level in Volt
 
-op.TriggerLevel = .001; % Trigger level in Volt
+    test_message = op.get_mqtt_message();
+    %test_message = '[OSC]\ntrigger_delay=100\ndecimation=1\ntrigger_level=0.2\ntrigger_ch=CH_1\ntrigger_src=CH_1_PE';
 
-test_message = op.get_mqtt_message();
-%test_message = '[OSC]\ntrigger_delay=100\ndecimation=1\ntrigger_level=0.2\ntrigger_ch=CH_1\ntrigger_src=CH_1_PE';
+   
 
-myMqtt = mqtt_py_matlab(py_path);
-myMqtt.connect_mqtt(broker_ip);
+    % Subscription to RP1 with wildcard (#)
+    %myMqtt.sub_mqtt_topics(broker_ip, "RP1/#");
 
-% Subscription to RP1 with wildcard (#)
-myMqtt.sub_mqtt_topics(broker_ip, "RP1/#");
+    % Subscription without wildcard
+    %myMqtt.sub_mqtt_topics(broker_ip, "RP1/CONFIGURE/RECONFIG");
 
-% Subscription without wildcard
-myMqtt.sub_mqtt_topics(broker_ip, "RP1/CONFIGURE/RECONFIG");
+    %pause(2);
 
-myMqtt.sub_mqtt_topics(broker_ip, "RP1/raw/CH1");
-pause(2);
+    % Publish Redpitaya API message
+    myMqtt.pub_mqtt(broker_ip, "RP1/CONFIGURE/RECONFIG", test_message);
 
-% Publish Redpitaya API message
-myMqtt.pub_mqtt(broker_ip, "RP1/CONFIGURE/RECONFIG", test_message);
+    % Read the last published message 
+    %fprintf('%s', myMqtt.get_payload_str("RP1/CONFIGURE/RECONFIG"));
+    fprintf('%s', test_message);
 
-% Read the last published message 
-fprintf('%s', myMqtt.get_payload_str("RP1/CONFIGURE/RECONFIG"));
+    % get max length of x axis 
+    x_axis = op.get_ordinate();
 
-% get max length of x axis 
-x_axis = op.get_ordinate();
+    myMqtt.sub_mqtt_topics(broker_ip, "RP1/raw/CH1");
+    % Start oszilloscope
+    myMqtt.pub_mqtt(broker_ip, "RP1/CONFIGURE/START", test_message);
 
-pause(2);
+    %% Signal aquisition
 
-% Start oszilloscope
-myMqtt.pub_mqtt(broker_ip, "RP1/CONFIGURE/START", test_message);
-%% Filter
+    %while(1)
+        % Read input 1
+        arr = myMqtt.get_payload_float("RP1/raw/CH1");
+        y_mat = cell2mat(cell(arr));
 
-Hd = fir_highpass2k;
+        % Plot input 1
+        %subplot (2,1,1)
+        plot(x_axis, y_mat);
+        grid on;
+        drawnow;
 
-%% Signal aquisition
+        % Plot filtered input 1
+        %subplot (2,1,2)
+        %plot(x_axis, y_filt);
+        %grid on;
 
-%while(1)
-    % Read input 1
-    arr = myMqtt.get_payload_float("RP1/raw/CH1");
-    y_mat = cell2mat(cell(arr));
-    
-    %filter input 1
-    y_filt = filter(Hd,y_mat);
-    
-    % Plot input 1
-    subplot (2,1,1)
-    plot(x_axis, y_mat);
-    grid on;
-    
-    % Plot filtered input 1
-    subplot (2,1,2)
-    plot(x_axis, y_filt);
-    grid on;
-    
+    %end
     % Stop the aquisition
     myMqtt.pub_mqtt(broker_ip, "RP1/CONFIGURE/RECONFIG", "STOP");
-%end
+end