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From: | David Taylor (manx.net) |
Subject: | Re: GRC version 3.9.0.0 git master (python 3.8.2) + OOT blocks |
Date: | Sun, 30 Aug 2020 18:26:10 +0100 |
Josh,
Many thanks for your questions and apologies for the delay in
replying.
From a clean 20.04 Ubuntu, I installed 3.9 using the package installer from
the master branch.
There were no major issues with the GRC install,
transfer of old 3.7 OOT blocks, their new python binding, libraries linkage or
block import for that matter.
The 3.9 OOT porting guide proved, helpful with
some additional and relevant information to be found in the 3.8 porting guide
particularly on external libraries inclusion.
UHD 3.15.0.0-2build5 from a package manager
install works fine.
PYTHONPATH
=/usr/local/lib/python3/dist-packages.
The OOT blocks are being installed to:
/usr/local/lib/python3/dist-packages/test and the blocks to:
/usr/local/share/gnuradio/grc/blocks
In all other respects the GRC works
fine..
---------
Noting this release last weekend, on a separate
drive, with a clean 20.04 Ubuntu, I have installed and built GRC 3.8.2.0 from
gnuradio-3.8.2.0.tar.gz
OOT blocks import without issue as per 3.7.11
using the older SWIG bindings. VOLKGNSSSDR as an external library is both
visible and useable.
I noticed that during the build the UHD interface
was disabled and consequently the GRC source and sink blocks are both missing.
These are available for build under ~/gr-uhd.
Is there a reason for this please?
Is 3.15 compatible and stable as a UHD interface,
noting the very recent emergence of 4.0 RC?
My research in the first instance, is to
investigate the intrinsic carrier phase stability of an SDR system in RF
loop-back and then through a geo-stationary satellite.
The OOT blocks in development are of flexible
direct spread spectrum coding and reception type.
It’s therefore important that I settle on stable
GRC/UHD variants for the next twelve months or so.
Best regards,
David GD4FMB
From: Josh
Sent: Monday, August 24, 2020 8:09 PM
Subject: Re: GRC version 3.9.0.0 git master (python 3.8.2) + OOT
blocks David,
1) How is your GNU Radio installed in this system?
2) It sounds a lot like PYTHONPATH is misconfigured for OOT - where are
your OOT files being installed to?
Thanks,
Josh
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