MATLAB: How to come to know whether a stateflow chart is open from command prompt

stateflow

Hi,

I have stateflow in my model.If stateflow is open,then while doing simulation , it takes lot of time since it animates it. So I want to make sure that whether the staeflow in my model is open or not & if it is open then I want to close it first then save the model(so that when I run sim command, it will run quickly with state chart closed), but if stateflow is not open then there is no need to save the model & I can run sim command directly.using sfclose is an option, but it do not tell me whether stateflow was open or not(so I cant decide whether to save model or not ), I want to confirm first that it is open & then only I want to use sfclose. I have tried hndls =find_system(<mdl>,'BlockType','SubSystem','Open','on'); but it gives empty array even though stateflow chart is open or closed.

Please suggest. Thanks is advance! Sameer

Best Answer

sfclose only closes the opened Stateflow window. It doesn't impact the "save" status of the model at all. So it's safe to run sfclose('all') before you run simulation to speed it up.

To find the Stateflow chart, you need to add the 'MaskType','Stateflow' pair. But it won't find the opened Stateflow it you combine it with the 'Open','On' pair. There might be a way, but I don't think it matters for your purpose.

For the sake of knowing how to do it.

rt = sfroot;
chart = rt.find('-isa','Stateflow.Chart');
set(chart,'visible',1);
set(chart,'visible',0);

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MATLAB: How to to locate all Stateflow 8.0 (R2012b) transitions with disconnected endpoints in a model

This can be done using the Stateflow API:

rt = sfroot;
modelHandle = rt.find('-isa','Simulink.BlockDiagram','$MODELNAME');
disconnectedTransitions = modelHandle.find('-isa','Stateflow.Transition','-and','Destination',[]);

The variable disconnectedTransitions will be an array of Stateflow.Transition objects that are not connected to a destination object. These transitions should come from any Stateflow chart within the model. $MODELNAME in the above code should be replaced with the name the model containing the charts/transitions. The VIEW method of the Stateflow.Transition object can be used to view the location of specific transitions.

MATLAB: Change parameter name programmatically in stateflow

function SF_RenameParam(ChartName,ParaOldname,ParaNewname)
    
    rt = sfroot;
    m = rt.find('-isa','Simulink.BlockDiagram');
    %ch = m.find('-isa','Stateflow.Chart');
    ch = m.find('-isa','Stateflow.Chart','Name',ChartName);
    %Rename Parameter in workspace 
    chData = ch.find('-isa', 'Stateflow.Data','-and','Name',ParaOldname);
    chData.Name = ParaNewname;
    %Rename Parameter name in stateflow transition label
    ch_transitions = ch.find('-isa','Stateflow.Transition');
    for index=1:length(ch_transitions)
        LabelStr = ch_transitions(index).LabelString;
        if ismember(ParaOldname,LabelStr)
            ch_transitions(index).LabelString = strrep(LabelStr,ParaOldname,ParaNewname);
        end
    end
end

I hope it's helpful for you (can add find in state),

But sometime it not true for this case: in chart both have ABC and ABC1.

You can modify it follow your ideal

Best Answer

Related Solutions

MATLAB: How to to locate all Stateflow 8.0 (R2012b) transitions with disconnected endpoints in a model

MATLAB: Change parameter name programmatically in stateflow

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