MATLAB: New Stateflow MATLAB chart: can it be created from a “regular” chart

action languagematlab chartsstateflow

I have a question regarding the MATLAB charts that have now been introduced in R2012B. Is it possible to convert a regular (old) stateflow chart into a MATLAB chart that accepts MATLAB expressions in action language? I have old charts in which I used expressions such as busy_time=ml('max(min((300+100*randn(1)),800),30)') which I think can be simplified if the ml('') is removed…

I couldn't find this in the manual…

Best Answer

Currently, the only option is to copy the contents of the C chart block to the MATLAB chart block and redefine the variables. Some things to keep in mind as you manually change the langauge in the charts:

http://www.mathworks.com/help/stateflow/ug/differences-between-matlab-and-stateflow-action-language.html

Related Solutions

MATLAB: How to print out all of the stateflow charts in the model

The following code will iteratively walk through a model's Stateflow charts and use the PRINT command to print the associated figure windows.

The FIND_SYSTEM will look for all SubSystems that are a Stateflow type. Then those charts are made active and visible by the OPEN_SYSTEM command. Then they are saved to the current directory using the PRINT command. This example prints them as Windows EMF files, but the option can be changed to any supported format, as described in the documentation.

shh = get(0,'ShowHiddenHandles');
set(0,'ShowHiddenHandles','on')
Sub_sys = find_system(gcs,'FollowLinks','off','LookUnderMasks','off','SearchDepth',...
      1,'blocktype','SubSystem')
for i =1:length(Sub_sys)
       if(strcmp(get_param(Sub_sys{i},'Masktype'), 'Stateflow')== 1)
          open_system(Sub_sys{i})
          print([get_param(Sub_sys{i},'Name') '.emf'],'-dmeta');
          close(gcf)
      end
end
set(0,'showHiddenHandles',shh)

MATLAB: Using Data Store Memory in Stateflow

I understand that you are trying to write to a Data Store Memory using C action language.

In order to achieve this in "Chart(C)", you can index into the array as follows:

MyData.buffer[0][0] = 1;

C action language follows zero based indexing as opposed to MATLAB action language that follows one based indexing. You can refer to the link below for further information about how to modify the action language of a chart:

http://www.mathworks.com/help/stateflow/ug/modify-the-action-language-for-a-chart.html

You can also refer to the following link that lists the differences between MATLAB and C as Stateflow action language syntax:

http://www.mathworks.com/help/stateflow/ug/differences-between-matlab-and-stateflow-action-language.html

Hope this helps!

Best Answer

Related Solutions

MATLAB: How to print out all of the stateflow charts in the model

MATLAB: Using Data Store Memory in Stateflow

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