Description: This about some of the features of the USB driver, and I hope for your help,
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File list (Check if you may need any files):
STM32_USB-OTG-FS_Drive
......................\inc
......................\...\usb_conf.h
......................\...\usb_core.h
......................\...\usb_defines.h
......................\...\usb_hcd.h
......................\...\usb_otg.h
......................\...\usb_pcd.h
......................\...\usb_regs.h
......................\src
......................\...\usb_core.c
......................\...\usb_hcd.c
......................\...\usb_otg.c
......................\...\usb_pcd.c