veel meuk

OOequipment/Channel.m

@@ -107,7 +107,7 @@ classdef Channel
             ch.scope.write('SING');
             header = str2num(ch.CHAN('DATA:HEAD?'));
             ch.scope.opc;
-            ch.scope.write_unsafe('CHAN1:DATA?');
+            ch.scope.write_unsafe(['CHAN',num2str(ch.channelnumber),':DATA?']);
             prefixstring = fscanf(ch.scope.tcp,'%c',2);
             prefixlength = str2double(prefixstring(2));
             datalength = fscanf(ch.scope.tcp,'%c',prefixlength);

OOequipment/Equipment.m

@@ -152,6 +152,16 @@ classdef Equipment < handle
             fprintf(['>>  ',message,'\n']);
         end
         
+        function write_noerror(ecq,message)
+            %WRITE Sends a command to the channel.
+            %The function will first check if the device is ready to 
+            %recieve a command via the OPC function. Then send the command.
+            %
+            %See also WRITE
+            ecq.opc;
+            ecq.write_unsafe(message);
+        end
+        
         function output = query_unsafe(ecq,message)
             %QUERY_UNSAFE Sends command to device and reads device output.
             %This function does not check if device is ready or check if an
@@ -202,6 +212,7 @@ classdef Equipment < handle
                     tcpconnection.(ipname).tcp = tcpip(ipAddress,port);    %Make TCP-connection
                     tcpconnection.(ipname).nopen = 1;                      %Set number of connections in use to 1
                     tcpconnection.(ipname).tcp.InputBufferSize = 2^20;     %make really large buffer size
+                    tcpconnection.(ipname).tcp.Timeout = 5;                %set timeout to 5 seconds.
                     fopen(tcpconnection.(ipname).tcp);                     %Open the TCP-connection
                 else %If connection already exist. Increase number of connections in use by 1.
                     tcpconnection.(ipname).nopen = tcpconnection.(ipname).nopen + 1;

OOequipment/FunctionGenerator.m

@@ -65,7 +65,7 @@ classdef FunctionGenerator < Equipment
 		
 		function fg = set.load(fg,l)
 			fg.write(['OUTPut:LOAD ' FunctionGenerator.getLoad(l)]);
-		end
+        end
     end
 	
 	methods (Static)

OOequipment/Oscilloscope.m

@@ -25,6 +25,58 @@ classdef Oscilloscope < Equipment
             end
         end
         
+        function s = get.acquisition(sc)
+            s = sc.query('ACQ:STAT?');
+        end
+        
+        function run(sc)
+            sc.write('RUN');
+        end
+        
+        function single(sc)
+            sc.write('SING');
+        end
+        
+        function stop(sc)
+            sc.write('STOP');
+        end
+        
+        function auto(sc)
+            sc.write_noerror('AUT');
+        end
+        
+        function enable_channels(sc)
+            for i = 1:sc.nchannels
+                sc.(['ch',num2str(i)]).state = 'ON';
+            end
+        end
+        
+        function disable_channels(sc)
+            for i = 1:sc.nchannels
+                sc.(['ch',num2str(i)]).state = 'OFF';
+            end
+        end
+        
+        function setMeasurement(sc,measurement,type,source1,source2)
+            prefix = ['MEAS',num2str(measurement),':'];
+            fprintf(num2str(nargin))
+            if nargin < 5
+                source2 = 'CH2';
+                if nargin < 4
+                    source1 = 'CH1';
+                end
+            end
+            source = [source1,', ',source2];
+            sc.write([prefix,'SOUR ',source]);
+            sc.write([prefix,'MAIN ',type]);
+        end
+        
+        function m = getMeasurement(sc,measurement)
+            m = sc.query(['MEAS',num2str(measurement),':RES:ACT?']);
+        end
+        
+        
+        
 %         function data = waveform(ch,cha)
 %             ch.scope.clear;
 %             ch.scope.write('CHAN1:TYPE HRES');

OOequipment/transferFunction.m

@@ -1,12 +1,21 @@
-function data = transferFunction(oscilloscope,functiongenerator,f_start,f_stop,n_steps)
+function data = transferFunction(oscilloscope,functiongenerator,f_start,f_stop,n_steps,amplitude)
 %TRANSFERFUNCTION Summary of this function goes here
 %   Detailed explanation goes here
 
 f_array = linspace(f_start,f_stop,n_steps);
 data = zeros(n_steps,1);
+functiongenerator.voltage = amplitude;
+functiongenerator.waveform = 'SINUSOID';
+oscilloscope.enable_channels;
+oscilloscope.trigger.source = 'CH1';
+oscilloscope.setMeasurement(1,'phase');
+oscilloscope.setMeasurement(2,'peak');
+oscilloscope.setMeasurement(3,'peak','ch2');
+
 for i = 1:n_steps
     functiongenerator.frequency = f_array(i);
-    data(i) = oscilloscope.ch1.peak2peak;
+    oscilloscope.auto;
+    data(i) = oscilloscope.getMeasurement(1);
 end
 end