Well, not sure about the details of USB... NOT connected directly to the STM32 via the direct USB support. Rather, I'm connected via USB to a Prolific USB->Serial chip on the board that then connects via normal serial to UART function on two pins on the STM32.
This is an HY-STM32V with the 3.2" touchscreen. The serial connection from the USB chip is connected to pins A9/A10 TX/RX.
I tried what you posted above, and got this result:
Uncaught Error: Function "setup" not found!
at line 1 col 8
Reviewing the Serial class documentation, this makes sense -- don't I have to have an actual instance of the Serial class to use it? The documentation talks about pre-instantiated instances Serial1, Serial2, ... and USB.
So, still stuck. And, there's no doubt it's 9600 baud :-)
My main issue here is that at 9600 baud loading the GUI code I'm developing takes a long time, which is painful with edit/test cycles.
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