Hi,All
   I need some helps.
   I'm now doing the work of on the driver of the Philips isp1362 host
controller.At the beginning everything is ok,and then I come across
something I'm not sure.
   During the Enumeration of the USB device,handshake packet can not
be transferred naturally.After some transfer successfully end,none
handshake packet can be captured on the USB bus in the next transfer
and this transfer halts as well.

   The host controller or the device send the handshake packets
automatically,isn't it?Why handshake packet doesn't appear after some
successful transfer?

    Eager to your guide.
Thanks.
                                               Jason

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