I ended up creating another topic, but preliminary port to ESP32 has been submitted for code review: https://github.com/zephyrproject-rtos/zephyr/pull/517

There's still a whole lot missing, but I'm quite excited for the progress.

Hello -- I've started porting Zephyr RTOS to ESP32. The preliminary port, with basic things such as threading, synchronization, timers, & serial console is already public; I've started working on adding support for I/O and will eventually try to get connectivity to work (other things have to be enab...