On Friday 18 September 2009 05:09:22 Trevor Blackwell wrote: > What's the largest practical bulk transfer size in the -8 USB stack? > I'm currently transferring frames through a UE_BULK pipe from a > Mightex camera (it uses bulk, not isochronous.)
You have to check what busdma supports. USB uses 32-bit transfer lenghts. Typically 64KByte blocks will give you a decent performance. What is your performance requirement? --HPS _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[email protected]"
