Its sounds like your high-speed devices (maxPacketSize == 512 bytes)
is plugged into a full-speed hub (where the spec limits it to
maxPacketSize == 64 bytes).
Perhaps you should try plugging your device directly into a computer
with high-speed support.
Regards,
David Ferguson
USB Software Team
Apple Computer
At 1:26 AM +0000 1/17/05, b johnny wrote:
hi all,
i have encountered a readpipe problem which left me baffled thus cod
anyone kindly explain it to me?
The Usb pipe which i am reading from can support up to 512 bytes
however i found out that instead of transfering at 512 bytes, it is
transfering at 64 bytes thus making the reading process very slow.
So, am i able to define the transfer rate of a Usb pipe? pls reply.
thks alot
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