ChibiOS Free Embedded RTOS

Thanks for the quick response. Some progress but 1 more question.

I downloaded ChibiOS/HAL 21.11.2 into my ChibiStudio folder. I found the RT-STM32H7ADZI_Q-Nucleo144 demo. It compiles and builds just fine. I can do this step from the "Developing on STM32: Introducing ChibiStudio" Article.

Build ...

Hi - ChibiOS/HAL and other Chibi tools may be a really good solution for a new app I'm working on and I have a few questions before I dive in. Here's some background. I'm porting a medium size (12000 lines or so) embedded program written in C# for a SAM9 processor to C/C++ and a STM32H7A3 controller ...