I'm using an STM32F407 development board and trying to make a USB/CDC terminal server. I want my app code to be notified by the USB/CDC class code when the host sends something out to the device. I'm having trouble because I want to conditionally blo...

I'm not sure how I did it, but my Blue Pill STM32F103C8T6 doesn't respond to st-info --probe any more. This has happened twice in a row with identical devices. It seems that if I Ctrl-D out of GDB (an old bad habit) the device seems to brick itself a...