todo
- If MCU files not found (how to know??):
- Create a new CubeMX project:
- Select the target MCU
- Config clocks and peripherals as needed
- In "Project Manager":
- In "Project" select "Toolchain / IDE: Makefile"
- In "Code Generator" tick "Copy only the necessary library files" and "Generate [...] per peripheral"
- In "Advanced Settings" select "LL" instead of "HAL" in Driver Selector