[Discuss-gnuradio] Error on "Assertion `imu >= 0' failed" when using gr.udp_source/sink

2011-06-27 Thread Zhen
Hello, I modified "benchmark_tx.py and benchmark_rx.py" by replacing the usrp_source/sink with gr.udp_source/sink and gr.file_source/sink, to see if the generated IQ data from tx side can be correctly captured and processed at rx side via UDP socket or trace file instead of USRP. If it does, t

Re: [Discuss-gnuradio] GNU Radio code walkthrough

2011-06-27 Thread adib_sairi
_ronaldo wrote: > > Dear Adib, > > Very good initiative! If you need some help, fell free to ask for. > > Regards, > > Ronaldo > > On Mon, Jun 27, 2011 at 9:43 AM, adib_sairi wrote: > > ___ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.

Re: [Discuss-gnuradio] Accessing commedi drivers through gnuradio

2011-06-27 Thread Tom Rondeau
On Mon, Jun 27, 2011 at 2:12 AM, Abhishek wrote: > Hi all, > > I want to access comedi drivers using gnuradio. comedi provides drivers for > 600+ > DAQ cards. > > Is there any documentation available for same. > > > Thanks, > Abhishek. > I don't think that we have any in the code, and I'm not sur

[Discuss-gnuradio] Problem receiving RX-A and RX-B simultaneously

2011-06-27 Thread Eduardo Lloret Fuentes
Hello, I programmed a module into the FPGA that is able to process separately two independent signals at the same time with the LFRX. Using and external oscilloscope and the LFTX I checked that it works properly. Now, I tried to check the output on the PC side using tools like *fft_sink_c * or *s

Re: [Discuss-gnuradio] Problem in installing GnuRadio by script.

2011-06-27 Thread sumitstop
And a new error came Fetching Gnu Radio via GIT...Done Fetching UHD via GIT...Done Building UHD...Done building/installing UHD Fetching and installing FPGA/Firmware images via wget... ...Installing from: tar: Old option `f' requires an argument. Try `tar --help' or `tar --usage' for more informat

Re: [Discuss-gnuradio] Captured data samples

2011-06-27 Thread sumitstop
Hi Burak You can find sample for AM recorded through USRP here http://www.csun.edu/~skatz/katzpage/sdr_project/sdr/am_usrp710.dat.zip Burak TUYSUZ wrote: > > Hi, > > I was wondering if there is a sample received signals for Analog TV, > Digital > TV, GPS, FM etc. that are captured by USRP. >

Re: [Discuss-gnuradio] Problem in installing GnuRadio by script.

2011-06-27 Thread sumitstop
Hi Marcus you were right.I just came to know that git protocol was not working for some reasons in my institute. Replacing with the link told by Chris worked finally :) Marcus D. Leech wrote: > > On 27/06/2011 3:29 PM, Christopher Dean wrote: >> Hi Sumit, >> >> There are two links that we can

Re: [Discuss-gnuradio] Problem in installing GnuRadio by script.

2011-06-27 Thread sumitstop
OOPS and it worked .. thanks a lot :) Christopher Dean-3 wrote: > > Hi Sumit, > > There are two links that we can use to access the current version of the > GNU Radio source: git://gnuradio.org/gnuradio and > http://gnuradio.org/git/gnuradio.git . > > As of now, the second link does n

Re: [Discuss-gnuradio] Problem in installing GnuRadio by script.

2011-06-27 Thread Marcus D. Leech
On 27/06/2011 3:29 PM, Christopher Dean wrote: Hi Sumit, There are two links that we can use to access the current version of the GNU Radio source: git://gnuradio.org/gnuradio and http://gnuradio.org/git/gnuradio.git . As of now, the second link does not work for me, but the first one does

[Discuss-gnuradio] regarding connecting blocks

2011-06-27 Thread shantharam balasubramanian
Hi I am new to python and I need to know about adding new blocks. I modified the benchmark_tx and rx.py files, so that the receiver will get the file from sender and store it in a txt file which is passed as an arguement. I also added few lines of code so that the receiver calculates the number of

Re: [Discuss-gnuradio] Problem in installing GnuRadio by script.

2011-06-27 Thread Christopher Dean
Hi Sumit, There are two links that we can use to access the current version of the GNU Radio source: git://gnuradio.org/gnuradio and http://gnuradio.org/git/gnuradio.git . As of now, the second link does not work for me, but the first one does. You might be able to fix your problem by findi

Re: [Discuss-gnuradio] Basic sampling frequency question

2011-06-27 Thread Colby Boyer
On Mon, Jun 27, 2011 at 11:02 AM, Tom Hendrick wrote: > I have a really simple question that I can't seem to find the answer to > online (and pardon my limited signal processing background). I'm trying to > help a fellow colleague figure out a processing problem. > > An external code modulates a

[Discuss-gnuradio] which USB soundcard for Linux?

2011-06-27 Thread Michael Renner
Moin, my notebook, that run with Linux, have only a mono input channel. I'm looking for a external (USB 1.1 or 2.0) soundcard with a stereo input, that run fine with linux. Any hint? Thanks -- |Michael Renner E-mail: michael.ren...@gmx.de | |D-81541 Munich GermanyICQ: #11228

[Discuss-gnuradio] Basic sampling frequency question

2011-06-27 Thread Tom Hendrick
I have a really simple question that I can't seem to find the answer to online (and pardon my limited signal processing background). I'm trying to help a fellow colleague figure out a processing problem. An external code modulates a real-valued signal that is eventually fed into GRC.  For now t

Re: [Discuss-gnuradio] E100 - No devices found for ----->

2011-06-27 Thread Josh Blum
> we don't manage wih the E100 FPGA5 bitstream. > It is placed in the images directory and we use a new branch but we > don't really think the FPGA5 is used. What do you mean? > And we still have the same problem with parallel UHD devices (sink/source). > Another guy confirmed it was working

Re: [Discuss-gnuradio] Problem in installing GnuRadio by script.

2011-06-27 Thread Marcus D. Leech
On 27/06/2011 11:08 AM, sumitstop wrote: Hi Marcus its more than 48 hours now and still the same message :( Continuing with script Installing pre-prequisites...Checking for package libfontconfig1-dev Checking for package libxrender-dev Checking for package libpulse-dev Checking for package swig

Re: [Discuss-gnuradio] cannot import name VERSION

2011-06-27 Thread Randy Westlund
I found the files you indicated and wiped those with my last reinstall, but I still get the same error. Any other ideas? Randy On Mon, Jun 27, 2011 at 9:36 AM, Martin Braun wrote: > On Mon, Jun 27, 2011 at 09:17:22AM -0400, Randy Westlund wrote: > > I've tried that using the following commands

Re: [Discuss-gnuradio] GNU Radio code walkthrough

2011-06-27 Thread Ronaldo Nunez
Dear Adib, Very good initiative! If you need some help, fell free to ask for. Regards, Ronaldo On Mon, Jun 27, 2011 at 9:43 AM, adib_sairi wrote: > > Dear GNU Radio community, > > I and my group had this tutorial/code walkthrough to share. we found out > that it is quite hard for beginner to

Re: [Discuss-gnuradio] cannot import name VERSION

2011-06-27 Thread Josh Blum
On 06/27/2011 06:36 AM, Martin Braun wrote: > On Mon, Jun 27, 2011 at 09:17:22AM -0400, Randy Westlund wrote: >> I've tried that using the following commands: >> >> sudo apt-get purge gnuradio gnuradio-companion >> sudo apt-get autoremove >> sudo rm -rf /usr/share/gnuradio #this also removes th

Re: [Discuss-gnuradio] Problem in installing GnuRadio by script.

2011-06-27 Thread sumitstop
Hi Marcus its more than 48 hours now and still the same message :( Continuing with script Installing pre-prequisites...Checking for package libfontconfig1-dev Checking for package libxrender-dev Checking for package libpulse-dev Checking for package swig Checking for package g++ Checking for pack

Re: [Discuss-gnuradio] cannot import name VERSION

2011-06-27 Thread Martin Braun
On Mon, Jun 27, 2011 at 09:17:22AM -0400, Randy Westlund wrote: > I've tried that using the following commands: > > sudo apt-get purge gnuradio gnuradio-companion > sudo apt-get autoremove > sudo rm -rf /usr/share/gnuradio   #this also removes the library tarball > > Then I reboot and run my shel

Re: [Discuss-gnuradio] cannot import name VERSION

2011-06-27 Thread Randy Westlund
I've tried that using the following commands: * sudo apt-get purge gnuradio gnuradio-companion sudo apt-get autoremove sudo rm -rf /usr/share/gnuradio *#this also removes the library tarball* * Then I reboot and run my shell script to install GNU Radio and its tarball again. Is there something m

[Discuss-gnuradio] GNU Radio code walkthrough

2011-06-27 Thread adib_sairi
Dear GNU Radio community, I and my group had this tutorial/code walkthrough to share. we found out that it is quite hard for beginner to start with GNU Radio, hopefully this walkthrough explanation can help a bit. this is the 1st version. please help us to improve by giving comment on any mista

Re: [Discuss-gnuradio] E100 - No devices found for ----->

2011-06-27 Thread Ralf Wierse
> -Original Message- > From: discuss-gnuradio-bounces+r.wierse=brunel...@gnu.org > [mailto:discuss-gnuradio-bounces+r.wierse=brunel...@gnu.org] > On Behalf Of Josh Blum > Sent: Thursday, June 23, 2011 5:35 PM > To: discuss-gnuradio@gnu.org > Subject: Re: [Discuss-gnuradio] E100 - No devic