On 08/29/2017 11:07 AM, Cho, Daniel J (332C) via USRP-users wrote:
Hello –
I am having issues with overflow with the USRP B210 at 20 MSPS. I am
using a LiveUSB that has Ubuntu and Gnuradio in it. The gnuradio flow
chart is just the USRP source going into a file sink with the
destination being just /dev/null. Since the data is going to
/dev/null, there should be no reason for an overflow to occur but for
some reason, I get one or two about every 10 seconds.
Thanks,
Daniel Cho
You might try tweaking the USB transport parameters:
https://files.ettus.com/manual/page_transport.html#transport_usb_params
In particular, try "num_recv_frames=256" in your device arguments.
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