Many of my newer devices have CAN so I wanted a simple USB(CAN adapter. It is nothing special with this project. I used a STM32F105 with USB on one side and CAN on the other. A minimalistic UDB-CAN Adapter just6 to avoid the need to pay a fortune for these.
The first rev 1.0 missed an external x-tal that turned out to be a mistake as USB required this. Once this was added on rev 1.1 the adapter worked.
It should be noted that XPortHub have both USB, 2 x CAN, 2xRS485, 2xRS232 and more so it’s questionable if I continue this Project.