Simulink AUTOSAR Blockset - macro for PI

Hi,

I am generating code from Simulink using AUTOSAR blockset and I would like to avoid having pi as magic number in my code. However, because it is not really a parameter, I would like to try to get Simulink coder to define a macro that sets pi value (e.g. M_PI).

Unfortunately, I haven't found how to do that. Anyone as an idea?

Regards, Nicolas

Answer 1

[SACHIN KHANDELWAL]

Hi @Nicolas B,

Assuming that you want to define the value of pi as macros (M_PI), here are some steps that you can follow and achieve the same.

1. Use the Define storage class: This allows you to generate #define statements in your code. For more information, see: https://www.mathworks.com/help/ecoder/ug/macro-definitions-define.html
2. Use the Custom Code in Simulink Coder: You can declare macros as custom code using Custom Code settings. Learn more here: https://www.mathworks.com/help/simulink/ug/specify-configure-custom-c-code.html

I trust that this resolves the issue. If not , please share reproduction steps with dummy model data.

[Nicolas B]

Thank you Sachin, very helpful.