> We built an FX2 based software radio peripheral and we routinely
> sustain 32MB/sec in either direction. CPU consumption is minimal --
> on the order of 5% of a 1.4 GHz Pentium M. We did it all in user
> space using libusb, with an added layer on top that does "fast usb" by
> keeping multiple URBs in flight using usbdevice_fs.
Most interesting. How many URBs do you use?
Regards
Oliver
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