71 lines
2.0 KiB
Matlab
71 lines
2.0 KiB
Matlab
clear
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% open a simulink system schema1.slx in a new simulink window
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open_system('schema1');
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% gcs = get current system
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% gcs returns the currently open system
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assert(isequal(gcs, 'schema1'));
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% gcb = get current block
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% if a block is clicked inside the schema, gcb returns its value
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gcb;
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% close the open simulink window
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close_system('schema1');
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% load_system loads the simulink system without loading the
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% interactive simulation interface
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% this is faster
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system_name = 'schema1';
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load_system(system_name);
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% simulation is run using the sim function
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tic;
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sim = sim(system_name);
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elapsed = toc; % elapsed simulation time in seconds
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% bdroot gives the root node of the current system (gcs)
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assert(isequal(bdroot, 'schema1'));
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% get_param returns the parameter value associated to a block
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% a block can be identified by using its path in the simulink scheme
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assert(get_param('schema1/my_gain', 'Gain') == '1'); % <-- the property is a string
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% to obtain all parameters
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param_struct = get_param('schema1/my_gain', 'ObjectParameters');
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assert(length(fieldnames(param_struct)) == 150);
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assert(isequal(param_struct.Name.Type, 'string'));
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% ----
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system2 = 'schema2';
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load_system(system2);
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% the description of a schema can be obtained using find_system
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all_paths = find_system; % returns paths to all open systems
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assert(iscell(all_paths));
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assert(length(all_paths) == 14);
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sys1_paths = find_system(system_name); % find paths relative to schema1
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assert(isequal(sys1_paths, ...
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{'schema1'; 'schema1/Constant'; 'schema1/Display'; 'schema1/my_gain'}));
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% constraint search parameters
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my_gain = find_system(system_name, 'Name', 'my_gain');
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assert(isequal(get_param(my_gain{1}, 'Gain'), '1'));
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% find all blocks of a specific type
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all_constants = find_system({system_name, system2}, 'BlockType', 'Constant');
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assert(length(all_constants) == 2);
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% set_param sets the value of a block parameter
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set_param('schema1/my_gain', 'Gain', '10');
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assert(isequal(get_param('schema1/my_gain', 'Gain'), '10'));
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set_param('schema1/my_gain', 'Gain', '1');
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% save system
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save_system(system_name);
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