Diff: Experiment_Example_old_MATLAB.m

Revision:

5:1497fccca82e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Experiment_Example_old_MATLAB.m	Tue Sep 22 09:08:00 2015 -0400
@@ -0,0 +1,54 @@
+function output_data = Experiment_Example_MATLAB()
+    figure(1);  clf;       % Create an empty figure to update later
+    subplot(211)
+    h1 = plot([0],[0]);
+    
+%    h1
+    set(h1,'XData',[],'YData', []);
+    ylabel('Position (counts)');
+    subplot(212)
+    h2 = plot([0],[0]);
+    %h2.XData = []; h2.YData = [];
+    set(h2,'XData',[],'YData',[]);
+    ylabel('Velocity (counts/s)');
+    
+    % This function will get called any time there is new data from
+    % the FRDM board. Data comes in blocks, rather than one at a time.
+    function my_callback(new_data)
+        t = new_data(:,1);   % time
+        pos = new_data(:,2); % position
+        vel = new_data(:,3); % velocity
+        N = length(pos);
+        tt = get(h1,'XData');
+        yy = get(h1,'YData');
+        
+        tt(end+1:end+N) = t;   % Update subplot 1
+        yy(end+1:end+N) = pos;
+        set(h1,'XData',tt,'YData',yy);
+        
+        tt = get(h2,'XData');
+        yy = get(h2,'YData');
+        
+        tt(end+1:end+N) = t;   % Update subplot 2
+        yy(end+1:end+N) = vel;
+        
+        set(h2,'XData',tt,'YData',yy);
+    end
+    
+    frdm_ip  = '192.168.1.100';     % FRDM board ip
+    frdm_port= 11223;               % FRDM board port  
+    params.callback = @my_callback; % callback function
+    params.timeout  = 2;            % end of experiment timeout
+    
+    % The example program provided takes two arguments
+    v1 = 1.0;           % pwm applied for first second 
+    v2 = 0.0;           % pwm applied for second second
+    input = [v1 v2];    % input sent to FRDM board
+    output_size = 3;    % number of outputs expected
+   
+    output_data = RunExperiment(frdm_ip,frdm_port,input,output_size,params);
+    
+end
+
+
+