Hello Forum,
I am facing a problem while working on USB 2.0 loopback for CDC implementation. Host is writing 65536 bytes of data and then reading it back from device. Problem is that after certain number of loops, USB IN endpoints stops sending data to the Host. In the analyzer, I can see only IN-NAKS packets after that. I checked that bit FIFONotEmpty and TxPktRdy bits are set in TXCSR register and there is no ERR or STALL message is sent by either side.
Kindly let me know if you need more information to understand the issue. Thanks in advance.
Best Regards, Gaurav