TomaTLAB wrote:That's just the point that everything works on STM, and on "GD" - doesn't.
I have some "Zoo" of boards
My understanding is that the GD devices were fully compatible, but there may be some digital/analog internal routing that is manifesting an issue. I do not have the devices here, but Arduino pinmap fixes are rather straight-forward unless something else is going on too. That being said, I remember that the 1284 took forever to get correct.
The master GD file, pins_arduino.h is here if you want to take off on your own. The sub-forum for the GD32F1 is here.