Development tools for Zephyr on STM32Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.
I'm acyually trying to do the same but with just one word per channel at a given time (interrupt) .
I think if you share your project it will be easyer for me to understand the whole thing.