Can the constant and gain block be saved as C code variables using the Simulink coder?

2021 2 17
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更新时间：2021 3 11
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Hi all,
I am working to create a library by generating C code with Simulink coder.
When I checked the generated code, it was confirmed that the Contant and Gain blocks are directly used as numbers in C code.
I would like to have the Contant and Gain blocks as variable parameters.
Is this possible? I am wondering which option should be checked if possible.
Thanks.

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Hyunjun Hyung
Hyunjun Hyung 2021-3-11
I I got an answer from Technical Service.
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When you set Configuration Parameters > Optimization > Signals and Parameters > Default parameter behavior (see Default parameter behavior (Simulink)) to Tunable (the default when you use a GRT-based system target file such as grt.tlc), the generated code allocates memory to represent block parameters. Therefore, you can tune the block parameter values during code execution.

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Vimal Rathod
Vimal Rathod 2021-2-23

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Hi,
You could always change your code after code generation using simulink coder. But if you want to save as variable in gain and constant block you could create a workspace variable and use that in those blocks.
Refer to the following link for more information on the workspace variables.
Create, Edit, and Manage Workspace Variables - MATLAB & Simulink (mathworks.com)

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