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HS USB Device Test Modes Missing From Library

Question asked by Joshua on Feb 26, 2015
Latest reply on Jun 12, 2015 by franke.martin
USB compliance for HS devices (and hosts) requires four specific tests be implemented in the firmware. Looking at ST's latest library, it appears they have not implemented this: usbd_core.c has a function called USBD_RunTestMode which is empty. 

Is there some reason for this that I am not picking up on?