[Hackrf-dev] USB throughput issues

[rohan sundar]

Hi everybody,

As you can see here: screenshot <http://imgur.com/a/iy1xq>

The data throughput rate for Rx is ~10 MiB/s, which is half of what is
expected (~20 MiB/s).

The board is a modification of the Hackrf project, which has an FPGA
instead of the CPLD for onboard baseband processing capabilities. The
project is detailed here <https://github.com/ainnovators/noob-sdr>

Edit: I have not made any changes to the firmware except:

   -

   Changed the constraints to UCF format (required for Artix-7 XC7A15T)
   -

   Increased the maximum file length in the hackrf_cpldjtag to accommodate
   our generated xsvf file
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