Okay, little update, I managed to connect to a USB HUB, retrieve the Hub descriptor, power-on and check which ports have devices attached, and reset each and every device. From that moment on I'm a bit stuck because messages send/from a reset hub port attached device are not being returned. Per spec...

Looking forward for a beta release. I have experience developing a USB stack for MSX computers via a CH376 in low-level mode. Will contribute my findings and use it in a new ESP32 S3 project. Btw. in my previous project I had a 8 port hub connected with various devices. But the user could choose whi...