Nucleo 144 (STM32F767ZI) - Hard fault error, if the USB cable is disconnected from the USB_CDC port
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2020-10-06 3:17 AM
Hi,
I started working with a Nucleo 144 board (STM32F767ZI) and have implemented an USB-CDC according an example of ST (see: https://www.youtube.com/watch?v=h9T0RTu9Muc).
Everything works well, but if I disconnect the USB line before startup the system, the software runs into a hard fault error. Does anybody has an idea, what could be the problem and how to fix it?
If you need more detailed informations, ask me please.
Thanks for your help!
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STM32F7 Series
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USB
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2020-10-13 6:59 AM
