Since my last question (which was on installing GNU Radio on VM-ware) I have
abandoned that approach and now am trying it out on an actual machine.
I apologize in advance if this question seems too long, I'm just going to walk
through everything I did to get to where I am now
(so in the process it might even turn out to be a resource for other
first-timers who are having problems)
I'm using fedora 8 (and through out this the USRP board is not plugged in).
So after going through a brand new Fedora 8 installation, to get a working GNU
Radio I first did this:
$ yum isntall gnuradio
since I wasn't sure what exactly had happened, I kind of disregarded it and
continued with this path:
did this:
$ yum install sdcc
then did these:
$ yum groupinstall "Engineering and Scientific" "Development Tools"
$ yum install fftw-devel cppunit-devel wxPython-devel libusb-devel guile
boost-devel alsa-lib-devel numpy
then added these two manually to "/home/[user]/.bashrc":
PYTHONPATH=/usr/local/lib/python2.4/site-packages
PATH=/usr/libexec/sdcc:$PATH
then I restart the computer for the changes to take effect
then I finish it off by doing theses:
$ svn co http://gnuradio.org/svn/gnuradio/branches/releases/3.1 gnuradio
$ cd gnuradio
$ ./bootstrap
$ ./configure
$ make
$ make check
$ sudo make install
all the installation worked as it should.
BTW: after the ./configure I get this (which seems normal):
The following components were skipped either because you asked not
to build them or they didn't pass configuration checks:
gr-audio-jack
gr-audio-osx
gr-audio-portaudio
gr-audio-windows
gr-comedi
Now for a test I ran this:
$ cd /gnuradio-examples/python/audio/
$ python dial_tone.py
Which gives me this error:
audio_alsa_sink[hw:0,0]: set_period_time_near failed: Invalid argument
Traceback (most recent call last):
File "dial_tone.py", line 55, in <module>
my_top_block().run()
File "dial_tone.py", line 48, in __init__
dst = audio.sink (sample_rate, options.audio_output)
File "/usr/lib/python2.5/site-packages/gnuradio/audio_alsa.py", line 236,
in sink
return _audio_alsa.sink(*args)
RuntimeError: audio_alsa_sink
I had seen this error before and the cause of it (as I had found on theses
forums) was another program (youtube's video player in browser)
using up the sound device. so by closing down FireFox it worked, but now it
makes no difference. I know my sound device works (as I was able to play a song
fine)
but I'm getting really frustrated (due to the non-ending steps just to get GNU
Radio running and to some degree my lack of fully understanding the linux
architecture). Any help would be appreciated.
My next question would be (if I managed to somehow resolve the prev. problem)
to actually hook up the USRP to the machine, what steps do I have to take to
ensure the software can communicate with the hardware? I found this page:
http://web.archive.org/web/20061031031439/comsec.com/wiki?UsrpInstall
but does this page still exist somewhere on this website (hopefully with
updated info.) or if it does not, why not?
Thanks you all.
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