Current version of STM32 USB device driver #1.8 (%23.03.2023)
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#1.5: initial version
#1.6: use HIS instead of HSE, use USB clock from HSI48 instead of PLL
#1.7: HSI48 clock recovery enabled (synchronizes to SOF) 
#1.8: Introduce 2sec timeout if peer doesn't acknowledege data transfer