STM32Cube unit testing tutorial with STM32 disco l475vg iot01a


It gave this

pio device list
Hardware ID: USB VID:PID=0483:374B SER=6 LOCATION=1-3.3:x.2
Description: STMicroelectronics STLink Virtual COM Port (COM4)


what’s new for this issue ?


I see that you can’t even use this COM port from a terminal. I’m not a Windows user. Should you have any permissions to get access to COM ports? Could you try any external Serial Port monitors to check if this port works? For example, Putty.


No I can use this port to upload the code and do anything with it except doing this test.