Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f4/STM32F446/OTG_FS_HOST/FS_HCTSIZ10#0x0
OTG_FS host channel-10 transfer size register
Transfer size
Packet count
Data PID
https://github.com/modm-io/cmsis-svd-stm32