Resolved! STM32F4 USB composite device driver MISSING!
Hi!I currently work on USB composite device (CDC + MSC). I putted together a program with help from:https://sudonull.com/post/68144-CDC-MSC-USB-Composite-Device-on-STM32-HALhttps://www.programmersought.com/article/18127793400/The thing is, i don't kn...