bulk endpoint endless source/sink firmware.



EP2OUT will always accept a bulk OUT

EP4OUT will always accept a bulk OUT



EP6IN will always return a 512 byte packet. The packet contains an

incrementing byte starting at 0x02. Since EP6 always returns a 512

byte packet, this endpoint should never be accessed except with a

high-speed host controller.



EP8IN will continuously return the packet most recently written to

EP4OUT