Interesting, thanks! I tried just printing a function address from the Factory code, then calling that address from OTA code, and it didn't work at all, but that must be because the OTA code was mmap'd at the time. It sounds like I'd have to implement all the DLL-like code: jump tables, data indirec...

Is there an ESP-IDF facility for mapping executable code from a flash partition? For example, suppose I have an OTA setup: factory / OTA-1 / OTA-2. My factory image uploads new code, so the ESP32 is running from OTA-1. Can OTA-1 code map Factory code and call functions from there? I imagine it would...

Understood, thanks!

I'm using esp-idf (origin/master) on Linux and have been able to compile & run many of the examples. However, I can't get the ULP + GPIO example to build correctly. The problem is difficult to trace through the build system...if anyone has figured this out, could you let me know what you did? I trac...