This is far more sophisticated than the protocol I was working with, cool!
In my design I needed to do the a similar thing -- physically switch the USB2.0 lines between USB and raw serial. Using the pico for a USB serial gadget is smart. I used a USB/serial adapter for my project and it was a PITA.
In my design I needed to do the a similar thing -- physically switch the USB2.0 lines between USB and raw serial. Using the pico for a USB serial gadget is smart. I used a USB/serial adapter for my project and it was a PITA.