I have to say that I'm pretty interested in this as well. It seems like a lot of people are just writing their own bit-bang host code for the ULP, but it would be great to use the built in instructions for simplicity/cleanliness. I've been trying without luck and I suspect it's something simple that...

Sorry for the long delay. I didn't see the post appear and thought it was eaten. I'm going to rerun my tests this week with the latest IDF and see if I can reproduce it. I'll report my observations.

Thanks!

I'm running into some interesting power-on behavior with a project based on the espea32 board. When I plug USB port on the device into certain Windows machines, it toggles the serial control lines and causes a reboot (I assume some probing behavior). This isn't a surprise, but the problem is that af...