error: pointer value used where a floating-point was expected

Hello,

I'm using Simulink Embedded Coder to generate C code from my model to be deployed on an STM32 Nucleo-H753ZI board via the STM32CubeIDE. I've attached the Simulink Configuration file I have been using below.

Shown in Simulink_Implementation.png is a function in Simulink that is fed with inputs from a non-virtual bus. Generated_Code.png shows this function in the generated C file. For some reason, input variables that are not arrays are being specified as pointers. The code generates without error in Simulink but when I then attempt to build and deploy this to the board in the STM32CubeIDE I get the error shown in STM32CubeIDE_Error.png.

Does anyone know what is causing this difference between single values and arrays in the function inputs in the generated code? Is it a setting in my configuration file or the way I have implemented the model? I would appreciate any help people can provide!

Answer 1

[Pratyush]

Hi Ben,

When generating C code from Simulink models using Embedded Coder for deployment on an STM32 board, inputs may appear as pointers due to configuration settings or model implementation. To address this:

1. Configuration Parameters:

- Check Code Interface settings to ensure inputs are passed correctly.

- Verify data types and signal attributes.

- Review Optimization settings that might affect input representation.

2. Model Implementation:

- Ensure non-virtual buses are defined correctly.

- Use Signal Conversion blocks if needed.

- Verify function block configurations.

3. STM32CubeIDE Debugging:

- Review compiler settings and error messages.

- Simplify the model to isolate issues.

I hope this could help you resolve issues with input representation in the generated code.