User Activity

I'm sending a continuous data stream from uC to PC via VCP which is implemented as CDC. During stream every responded IN token for EP1 generates DIEPINT_XFRC, so I'm seeing interrupts:DIEPINT_XFRCDIEPINT_XFRCDIEPINT_XFRC...Now I send something to uC ...
I thought if I transfer e.g. 64 bytes I can load pktcnt with a value of 2.One for 64 bytes, second for ZLP?Or do I have to send it manually after IN transfer complete interrupt?
Hi,I'm using STM32F407 and try to establish a USB communication. Until now the device is present in the system and is also able to send and receive bulk transfers. To test the functionality I wrote a simple example:if MCU receives a string of 5 chara...