On 2021-11-20 12:24, Le Coq Yann wrote:
Hello,
I use an X310 for an application in which the daughterboards are 2 Basic RX and 2
BasicTX. The subdevspec I use (in a Gnuradio Flowgraph) is "A:A B:A", both for
emission and reception.
Last time someone from my lab checked (a year ago or so), UHD
003.009.007-release was apparently the latest UHD version that was OK with such
subdevspec, and I therefore believe that I am effectively stuck to this old
version.
I was working so far with a usrp_x310_fpga_HGS.bit FPGA image on the X310, with
single 10Gb/s ethernet interface. However, I want now to improve performance by
going to dual 10Gb/s interface.
Unfortunately, using "uhd_images_downloader" (which seems to work fine and tells me it extracts .bit files from
the correct 003.009.007-release version) followed by "uhd_image_loader --args="type=x300,addr=192.168.40.2"
--fpga-path="/usr/local/share/uhd/images/usrp_x310_fpga_XG.bit" seems to upload an FPGA image that is not
compatible with the UHD version (benchmark_rate, for example, gives a "Error: RuntimeError: Expected FPGA compatibility
number 19, but got 33"). For reference, uploading usrp_x310_HG.bit produces a similar compatibility number error, but
usrp_x310_HGS.bit does, on the contrary, upload an image that UHD is happy with.
It seems to me that the files in the repository at
"https://files.ettus.com/binaries/images/"; may be misplaced for the 003.009.007-release
version. I actually tried manually dowloading the
"https://files.ettus.com/binaries/images/uhd-images_003.009.007-release.tar.gz"; file and
extracting the .bit files from that, but got the same results as when I use the .bit downloaded by
uhd_image_loader.
Can someone let me know if I am missing something here ? My only alternative,
as I see it, would be to build the FPGA image myself with the fpga-src
submodule of the UHD version I use, but that would first require me to get a
Vivado license...
Help would be greatly appreciated.
-Yann
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Yann:
I've let Ettus/NI R&D know that there's a potential "housekeeping"
problem with the FPGA image repository.
I dont' have copies of those images myself, but there's likely someone
on this list who *does* have copies of images for that particular
version of UHD.
This may be faster than waiting on R&D, since it's the week-end.
So, anyone?
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