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LEM_slx/setup_lem_ansys_link.m

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+% Configure the installed Ansys Electronics Desktop MATLAB coupling interface.
+
+lemModelDir = fileparts(mfilename('fullpath'));
+lemProjectFile = fullfile(fileparts(lemModelDir), 'LinearSimulink.aedt');
+assert(isfile(lemProjectFile), ...
+    'LEM:MissingAedtProject', ...
+    'The coupled AEDT project does not exist: %s', lemProjectFile);
+
+lemAnsysRoot = getenv('ANSYSEM_ROOT252');
+assert(~isempty(lemAnsysRoot) && isfolder(lemAnsysRoot), ...
+    'LEM:MissingAnsysInstallation', ...
+    'ANSYSEM_ROOT252 is not configured or does not point to an Ansys installation.');
+
+lemInterfaceRoot = fullfile(lemAnsysRoot, 'cpl', 'matlab');
+lemInterfaceFolders = dir(fullfile(lemInterfaceRoot, 'r20*'));
+lemInterfaceFolders = lemInterfaceFolders([lemInterfaceFolders.isdir]);
+assert(~isempty(lemInterfaceFolders), ...
+    'LEM:MissingAnsysMatlabInterface', ...
+    'No Ansys MATLAB coupling interface was found below: %s', lemInterfaceRoot);
+
+lemCurrentRelease = regexp(lower(version('-release')), ...
+    '^(\d{4})([ab])$', 'tokens', 'once');
+assert(~isempty(lemCurrentRelease), ...
+    'LEM:UnsupportedMatlabRelease', ...
+    'Unable to parse the current MATLAB release: %s', version('-release'));
+lemCurrentScore = str2double(lemCurrentRelease{1}) * 2 + ...
+    double(lemCurrentRelease{2} == 'b');
+
+lemCandidateScores = -inf(1, numel(lemInterfaceFolders));
+for lemIndex = 1:numel(lemInterfaceFolders)
+    lemTokens = regexp(lower(lemInterfaceFolders(lemIndex).name), ...
+        '^r(\d{4})([ab])$', 'tokens', 'once');
+    if ~isempty(lemTokens)
+        lemScore = str2double(lemTokens{1}) * 2 + double(lemTokens{2} == 'b');
+        if lemScore <= lemCurrentScore
+            lemCandidateScores(lemIndex) = lemScore;
+        end
+    end
+end
+
+[lemSelectedScore, lemSelectedIndex] = max(lemCandidateScores);
+assert(isfinite(lemSelectedScore), ...
+    'LEM:NoCompatibleAnsysMatlabInterface', ...
+    'No Ansys MATLAB interface compatible with MATLAB %s was found.', ...
+    version('-release'));
+
+lemAnsysMatlabDir = fullfile(lemInterfaceFolders(lemSelectedIndex).folder, ...
+    lemInterfaceFolders(lemSelectedIndex).name);
+addpath(lemAnsysMatlabDir, '-begin');
+rehash;
+assert(exist('AnsoftSFunction', 'file') == 3, ...
+    'LEM:MissingAnsoftSFunction', ...
+    'AnsoftSFunction could not be loaded from: %s', lemAnsysMatlabDir);
+
+clear lemModelDir lemProjectFile lemAnsysRoot lemInterfaceRoot ...
+    lemInterfaceFolders lemCurrentRelease lemCurrentScore lemCandidateScores ...
+    lemIndex lemTokens lemScore lemSelectedScore lemSelectedIndex ...
+    lemAnsysMatlabDir