[Discuss-gnuradio] help with ImportError: dynamic module does not define init function (init_gold)

2008-09-07 Thread Murtuza
Hi Friends I wrote a new Gnuradio block and everything went fine including the install. But when i import the module in python interpreter i get this error. Can anyone suggest where could the problem be. ImportError: dynamic module does not define init function (init_gold) I use SWIG Version

[Discuss-gnuradio] FPGA / new rx_buffer_inband

2008-09-07 Thread Eric Schneider
For those interested, I've committed my changes to the inband RX buffering subsystem. It is available at: http://gnuradio.org/svn/gnuradio/branches/developers/ets/inband/usrp/fpga Source only at the moment, I'm not sure of the policy for RBFs in dev branches. Caveat emptor. The

Re: RFID using LFTX/LFRX (Was [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation)

2008-09-07 Thread ChoJin
On Sep 7, 2008, at 6:58 AM, Michael Ossmann wrote: On Sun, Sep 07, 2008 at 02:02:35AM +0200, ChoJin wrote: I tried a very simple test: - two loops of wire, one for the LFTX (A slot, antenna TXA) and one for the LFRX (slot B, antenna RXB) - generating the sinus wave using usrp_siggen.py

Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband

2008-09-07 Thread Brian Padalino
On Sun, Sep 7, 2008 at 4:28 AM, Eric Schneider [EMAIL PROTECTED] wrote: For those interested, I've committed my changes to the inband RX buffering subsystem. It is available at: http://gnuradio.org/svn/gnuradio/branches/developers/ets/inband/usrp/fpga Source only at the moment, I'm

Re: RFID using LFTX/LFRX (Was [Discuss-gnuradio] GNU Radio mention inDEFCON subway presentation)

2008-09-07 Thread Philip M. Lanese
ChoJin, Commercial 13.56 MHz RFID systems don't normally use a receiver in the traditional sense to recover the tag data. RFID manufacturers catering to the retail industry consider Tag Readers to be a necessary give-away that allows them to sell millions of tags, so cost is always driven

Re: [Discuss-gnuradio] Oddities in trunk [EMAIL PROTECTED] - @8850]

2008-09-07 Thread Eric Blossom
On Sun, Sep 07, 2008 at 12:41:32AM +0200, Vincenzo Pellegrini wrote: Ok, I really don't Yet know why but: If I restore the mistake you corrected in changeset 8835, everything seems fine... :-o ! And Soft-DVB works even with the latest trunk in the single threaded mode. Can you post a a

Re: [Discuss-gnuradio] GNU-Radio GUI applications freeze

2008-09-07 Thread Johnathan Corgan
On Fri, Sep 5, 2008 at 4:57 PM, Raul Siles [EMAIL PROTECTED] wrote: I'm running GNU-Radio 3.1.3 under Fedora 8 (fully updated) with USRP and all the USRP graphical (GUI) applications freeze, such as usrp_oscope.py or usrp_fft.py. At first glance, this seems like a performance issue, but your

Re: RFID using LFTX/LFRX (Was [Discuss-gnuradio] GNU Radio mention inDEFCON subway presentation)

2008-09-07 Thread ChoJin
On Sep 7, 2008, at 6:40 PM, Eric Blossom wrote: On Sun, Sep 07, 2008 at 10:16:04AM -0400, Philip M. Lanese wrote: ChoJin, Commercial 13.56 MHz RFID systems don't normally use a receiver in the traditional sense to recover the tag data. [...] Here's a link to the Open RFID reader:

Re: [Discuss-gnuradio] GNU Radio Beacon Receiver, announcement

2008-09-07 Thread Juha Vierinen
On Sun, Sep 7, 2008 at 08:56, Mamoru Yamamoto [EMAIL PROTECTED] wrote: Juha Vierinen, Colleagues, I listed information of beacon channels and satellite parameters on the following web page. http://www.rish.kyoto-u.ac.jp/digitalbeacon/sub2.html Thank you again for the valuable resource you

Re: [Discuss-gnuradio] help with ImportError: dynamic module does not define init function (init_gold)

2008-09-07 Thread Murtuza
I made my block according to gr-howto-write-a-block. I wrote the SWIG interface similar to what gr-howto-write-a-block does. Thanks Ali On Sun, Sep 7, 2008 at 12:57 PM, Johnathan Corgan [EMAIL PROTECTED] wrote: On Sun, Sep 7, 2008 at 12:34 AM, Murtuza [EMAIL PROTECTED] wrote: I wrote a new

RE: [Discuss-gnuradio] FPGA / new rx_buffer_inband

2008-09-07 Thread Eric Schneider
-Original Message- From: Brian Padalino [mailto:[EMAIL PROTECTED] Sent: Sunday, September 07, 2008 7:21 AM Were these results for the 2 channel mode? What is the size difference within the USRP when using 2 channels? Is it significant or pretty insignificant? They were from the

Re: [Discuss-gnuradio] FPGA / new rx_buffer_inband

2008-09-07 Thread Brian Padalino
On Sun, Sep 7, 2008 at 4:47 PM, Eric Schneider [EMAIL PROTECTED] wrote: They were from the 1 channel build. Here is a snippet from inband_2rxhb_2tx.rbf: ch: 0 s: 965745 delta: 8064 ch: 1 s: 965745 delta: 8064 ch: 0 s: 973809 delta: 8064 ch: 1 s: 973809

Re: [Discuss-gnuradio] help with ImportError: dynamic module does not define init function (init_gold)

2008-09-07 Thread Murtuza
Never mind, I found the mistake in my Makefile.am I forgot to add the SWIG generated .cc source under _la_SOURCES primary. Thanks to all, again Ali On Sun, Sep 7, 2008 at 3:41 PM, Murtuza [EMAIL PROTECTED] wrote: I made my block according to gr-howto-write-a-block. I wrote the SWIG interface