On 01/14/2015 07:54 AM, Andreas Ladanyi wrote:
Hi,
Bananapi / LUbuntu
After building GNURadio with the build-script and compiling /
installing with success i can start gnuradio-companion or any
gnuradio based py application but i get the following error messages.
===============
linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.008.001-52-gd9e7a42d
Gtk-Message: Failed to load module "canberra-gtk-module" -> I know
the reason of this error. This is easy to fix.
gr-osmosdr v0.1.4-9-g48045b59 (0.1.5git) gnuradio 3.7.6
built-in source types: file fcd rtl_tcp uhd rfspace
FATAL: No supported devices found to pick from.
Trying to fill up 1 missing channel(s) with null source(s).
This is being done to prevent the application from crashing
due to gnuradio bug #528.
Source has no sample rates (wrong device arguments?).
================
It seems that the USB RTL 2832U stick is not found by gnuradio.
I could see the device with dmesg and the rtl_test / rtl-test -t
is successfull.
Any ideas ?
Andreas
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YOu don't have the rtl support compiled-in to gr-osmosdr--perhaps
because you were missing librtlsdr
Hi Marcus,
ok, so the problem is that the build-script didnt compile gr-osmosdr
with rtl support because the librtlsdr wasnt installed from the
build-script before compiling gr-osmosdr ?
What do i have to do now ? Should i uninstall gr-osmosdr and then
compile and install gr-osmsosdr again ?
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Which build script did you use? build-gnuradio? It definitely *does*
build-and-install librtlsdr prior to build gr-osmosdr, but if that fails
for some reason,
gr-osmosdr will get built.
If you re-run it with "-v" it will give you more verbose output.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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