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From: | Mr. mollasadra |
Subject: | RE: [Discuss-gnuradio] First-timer Question |
Date: | Sat, 31 May 2008 13:41:24 +0000 |
OK, I think I found what I had been looking for: http://ossie.wireless.vt.edu/download/labs/OSSIE_0.6.2_lab4_final.pdf Thanks to all, specially Cameron for their help. > From: address@hidden > To: address@hidden; address@hidden > Subject: RE: [Discuss-gnuradio] First-timer Question > Date: Sat, 31 May 2008 06:48:22 +0000 > > Hi, > Yes, I have made some progress. > I have the usrp working with virtualized Fedora. The biggest problem I > have was getting the virtual machine to see the usrp on the usb bus. The > linux command "lsusb" will show the usrp on the bus. > As you would expect the max through put on the usb port was around 16MB, > determined using usrp_benchmark_usb.py. > I did some other testing using usrp_wfm_rcy.py, set your frequency and > then set the volume using the -V option I had to set it to 50. > > Cameron > On Fri, 30 May 2008 16:48:14 +0000, "Mr. mollasadra" > <address@hidden> said: > > > > Hi > > I was wondering if you had any progress on that USRP setup? > > > > ---------------------------------------- > > > From: address@hidden > > > To: address@hidden; address@hidden > > > Subject: RE: [Discuss-gnuradio] First-timer Question > > > Date: Fri, 23 May 2008 00:48:34 +0000 > > > > > > Hi > > > > > > I will be trying to connect a usrp to a virtual machine this weekend, I > > > will let you know what happened. > > > I do know from previous experience that the usrp can send data at a > > > higher data rate than a virtual machine can handle, so there is a lot of > > > over run errors. > > > I only use vm's for testing. > > > By the way we should communicate via the discussion list, as other > > > people may be interested in what we are talking about. > > > > > > Cameron > > > On Thu, 22 May 2008 22:54:31 +0000, "Mr. mollasadra" > > > said: > > >> Thanks for the response. > > >> I tried what you said on a VMware setup and as you said it worked, which > > >> led me to think that my machine is at fault (probably something wrong > > >> with the sound card, onto another machine). > > >> Now that I have that sorted out, I wanted to connect the USRP broad and > > >> run an example program on it (for example the wide FM GUI). > > >> As I said in my previous post the only information I could find was on > > >> archive.com (a page which seems like it doesn't exist anymore). > > >> Lets say right after the installation of the gnuradio-examples I plug in > > >> the USRP, what steps do I need to take in order to have a working > > >> example? > > >> Do you think that old page is complete enough for a walk through? > > >> > > >> Again I really appreciate your help, I'm a undergrad student who's been > > >> assigned to figure this thing by himself (as you know the USRP boards and > > >> the GNURadio don't come with a manual per say, and there aren't that many > > >> howtos online). > > >> > > >> > > >> > > >>> From: address@hidden > > >>> To: address@hidden; address@hidden > > >>> Subject: Re: [Discuss-gnuradio] First-timer Question > > >>> Date: Wed, 21 May 2008 23:28:54 +0000 > > >>> > > >>> Hi > > >>> I have just installed gnuradio onto Fredora 8. > > >>> I installed Fedora 8. > > >>> Connected to the internet. > > >>> Let Fedora do its automatic updates. > > >>> I then ran the following command > > >>> > > >>> yum install gnuradio > > >>> > > >>> There were about 10 dependent packages that needed to be installed. > > >>> > > >>> Once all the downloads were finished I had gnuradio installed. > > >>> > > >>> The gnuradio examples were in a separate package. > > >>> > > >>> From memory I think the command to install it was > > >>> > > >>> yum install gnuradio-examples. > > >>> > > >>> Notes on my install > > >>> > > >>> I was running Fedora 8 as a virtual machine in VMware. > > >>> I also installed GnuRadio Companion (grc) well worth while. > > >>> The install was done without a usrp connected. > > >>> > > >>> Hope this helps > > >>> Cameron > > >>> On Wed, 21 May 2008 21:00:22 +0000, "Mr. mollasadra" > > >>> said: > > >>>> 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 > > >>>> 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. > > >>>> > > >>>> _________________________________________________________________ > > >>>> Keep your kids safer online with Windows Live Family Safety. > > >>>> http://www.windowslive.com/family_safety/overview.html?ocid=TXT_TAGLM_WL_Refresh_family_safety_052008 > > >> > > >> _________________________________________________________________ > > >> Change the world with e-mail. Join the i’m Initiative from Microsoft. > > >> http://im.live.com/Messenger/IM/Join/Default.aspx?source=EML_WL_ChangeWorld > > > > _________________________________________________________________ > > E-mail for the greater good. Join the i’m Initiative from Microsoft. > > http://im.live.com/Messenger/IM/Join/Default.aspx?source=EML_WL_ > > GreaterGood Make every e-mail and IM count. Join the i’m Initiative from Microsoft. |
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