Added functions for connecting to PicoVNA108

Author: neil-hamilton

functions/connectVNA108.m

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+%% connectVNA108
+%
+%% Description
+%
+% |connectVNA108()| creates and returns a COM object to a PicoVNA108 device.
+%
+% *Output Arguments:*
+%
+% * |obj| - the VNA108 COM object corresponding to the PicoVNA device
+%
+% See also <disconnectVNA.html disconnectVNA> .
+
+function [obj] = connectVNA180()
+
+    % Create VNA COM object.
+    obj = actxserver('PicoControl3.PicoVNA_3');
+
+    % Check for an available VNA. 
+    findPicoVNA = obj.FND();
+    
+    if (findPicoVNA==0)
+        error('connectVNA:VNANotFound', 'No PicoVNA device found.');
+    end
+
+end
+
+%%
+% *Copyright:* © 2017-2020 Pico Technology Ltd. All rights reserved.

functions/connectVNA108_SN.m

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+%% ConnectVNA108_SN
+%
+%% Description
+% CONNECTVNA108_SN Creates PicoVNA108 COM object.
+%
+%   connectVNA() returns a COM object to a PicoVNA108 device.
+%
+% Copyright: © 2017-2020 Pico Technology Ltd. All rights reserved.
+%
+% See also DISCONNECTVNA.
+
+function [obj] = connectVNA_SN(serialNumber)
+    % Create VNA COM object.
+    obj = actxserver('PicoControl3.PicoVNA_3');
+
+    % Check for an available VNA. 
+    findPicoVNA = obj.FNDSN(serialNumber);
+    
+    if (findPicoVNA==0)
+        error('ConnectVNA:VNANotFound', 'No PicoVNA device found.');
+    end
+
+end