How to access structure elements in the stateflow charts

Question

Hemanadhan S V 2021-3-25

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/783233-how-to-access-structure-elements-in-the-stateflow-charts

回答： Mark McBroom 2024-2-17

Hello,

I have created struture called carconfiguration which has five elements( Ato E). and i need to feed this carconfiguration as input to stateflow chart. so after creating the structures def in m file i save and ran the m file so now the CarConfig struct is created. but inside the stateflow chart when try to access the elements of the struture like below,

CarConfig == CarConfig.C(I need the third config so i am using C here) i am getting error as the element C is not found or unresolved elements C.

Can anyone help me how to access the structure elements inside the stateflow charts.

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Ntiana Sakioti 2021-7-1

Are you able to provide the structure definition file as well as how you defined CarConfig in your chart?

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Answer 1

Mark McBroom 2024-2-17

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/783233-how-to-access-structure-elements-in-the-stateflow-charts#answer_1410868

You will need to create a Simulink.Bus with the same layout as the matlab structure.
Create a Simulink.Parameter called CarConfig. Set its "Value" property to carconfiguration. Set it "Type" property to the Simulink.Bus created in step 1.
In Stateflow, create a Parameter called CarConfig in the Stateflow

https://www.mathworks.com/help/stateflow/ug/structure-operations.html

https://www.mathworks.com/help/stateflow/ug/adding-data.html