added stuff for slow analogue input acquisition

examples/redpitaya/Oscilloscope_example.m

@@ -10,6 +10,22 @@ addpath('../../lib');
 addpath('../../lib/redpitaya'); 
 myMqtt = mqtt_py_matlab(py_path);
 myMqtt.connect_mqtt(broker_ip);
+
+while 1
+    myMqtt.sub_mqtt_topics(broker_ip, "RP1/raw/AI");
+    myMqtt.pub_mqtt(broker_ip, "RP1/CONFIGURE/READ_AI", "NONE");
+    
+    arr = myMqtt.get_payload_float("RP1/raw/AI");
+    y_mat = cell2mat(cell(arr));
+
+    % Plot input 1
+    %subplot (2,1,1)
+    plot(1:4, y_mat);
+    ylim([-2,2]);
+    grid on;
+    drawnow;
+end
+
 for delay = -1e-3:5e-5:1e-3
     op = OscilloscopeProperties(); % get an object of the OscilloscopeProperties class