How do I get a pointer to a structure for in/out parameters

Question

Cédric Pariset 2022-4-19

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1699860-how-do-i-get-a-pointer-to-a-structure-for-in-out-parameters

编辑： Mark McBroom 2022-4-26

采纳的回答： Mark McBroom

Hello,

I don't know how I can go from this simple calculation function:

to a C prototype that is more like Calculation(struct_in *pt_in, struct_out *pt_out) rather than Calculation(real_T input, real_T input1, real_t input2, real_T input3, real_T output) ?

Is there any way to have this automatically? Or do I need to create a specific bus/structure?

Thanks,

Best regards

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Answer 1

Mark McBroom 2022-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/1699860-how-do-i-get-a-pointer-to-a-structure-for-in-out-parameters#answer_950850

编辑：Mark McBroom 2022-4-26

A non-virtual bus can be used to hold the input signals and a second non-virtual bus for the output signals. This will result in a C structure in the generated code. You can then use the code mappings editor to specify pass-by reference for the input bus/struct. This should result in your desired function prototype.