O-band Amp Characterization Measurement

Classes/05_Lab/LabDeviceTemplate.m

@@ -0,0 +1,83 @@
+classdef LabDeviceTemplate < handle
+
+    % Minimal template for lab device control via VISA / SCPI
+    % Copy this file and adapt:
+    %   - visaAddress
+    %   - public API methods
+    %   - private SCPI commands
+
+    properties (Access = public)
+        active logical = true
+    end
+
+    properties (Access = protected)
+        visaAddress string
+    end
+
+    methods (Access = public)
+
+        function obj = LabDeviceTemplate(options)
+            arguments
+                options.active logical = true
+                options.visaAddress string = ""
+            end
+
+            % apply options
+            fn = fieldnames(options);
+            for k = 1:numel(fn)
+                obj.(fn{k}) = options.(fn{k});
+            end
+
+            % optional: quick connectivity check
+            if obj.active
+                v = obj.connect();
+                writeline(v,"*IDN?");
+                idn = readline(v);
+                disp("Connected to: " + string(idn));
+                delete(v);
+            end
+        end
+
+
+        function success = set(obj, value)
+            % Example public API
+            v = obj.connect();
+            success = obj.setValue_(v, value);
+            delete(v);
+        end
+
+
+        function value = read(obj)
+            % Example readback
+            v = obj.connect();
+            value = obj.readValue_(v);
+            delete(v);
+        end
+
+    end
+
+
+    methods (Access = protected)
+
+        function v = connect(obj)
+            assert(obj.visaAddress ~= "", "No VISA address defined");
+            v = visadev(obj.visaAddress);
+        end
+
+    end
+
+
+    methods (Access = private)
+
+        function success = setValue_(~, v, value)
+            writeline(v, sprintf("SET %g", value));
+            success = true;
+        end
+
+        function value = readValue_(~, v)
+            writeline(v, "READ?");
+            value = str2double(readline(v));
+        end
+
+    end
+end