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.
bugmenot, thank you for clarifying. It did come to me that I was looking in the compiler manual for something that is not compiler specific.
I will use snprintf. I was not aware of this, and will be testing later today. Thanks again.