Re: [Discuss-gnuradio] where is VrFileSink in gr-atsc?

2006-10-23 Thread Ramakrishnan Muthukrishnan
On 10/24/06, Kyle Zhou <[EMAIL PROTECTED]> wrote: README.singla_flow in gr-atsc directory shows a great framework for ATSC Tx & Rx. However, it mentioned VrFileSink & VrFileSource, on which I have no idea. I searched the whole package directory without finding their codes. Is there anything wron

Re: [Discuss-gnuradio] Why an FPGA?

2006-10-23 Thread Matt Ettus
Tim Ansell wrote: > Hello, > > I've been a ghost on this list for quite a long time, since before the > development of the USRP. I've always found the idea of SDR really quite > interesting. > > Recently because of my university studies I have been exposed to both > FPGA's and DSP. I've come to pon

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[Discuss-gnuradio] where is VrFileSink in gr-atsc?

2006-10-23 Thread Kyle Zhou
README.singla_flow in gr-atsc directory shows a great framework for ATSC Tx & Rx. However, it mentioned VrFileSink & VrFileSource, on which I have no idea. I searched the whole package directory without finding their codes. Is there anything wrong with my configuration or the atsc module is

Re: [Discuss-gnuradio] Min and max value for the gr_vector_source_X

2006-10-23 Thread Eric Blossom
On Tue, Oct 24, 2006 at 12:35:51AM +0200, De Lima Julian wrote: > Hello, > > What are the minimum and maximum values for the data when we use the > gr_vector_source_X? I do not find this information in the Doxygen > documentation. > > Thanks > Julian De Lima They are what ever the min and maxima

Re: [Discuss-gnuradio] dbsrx question

2006-10-23 Thread David Caruth
Well, I had the right i2c address, but was calling the wrong function when initializing the dbs_rx board.  I called the c++ equivalent of the following Python code:   self._u._write_io(self._which,0x0001,0x0001)   instead of   self._u._write_oe(self._which,0x0001,0x0001)     So I typoed an

[Discuss-gnuradio] Min and max value for the gr_vector_source_X

2006-10-23 Thread De Lima Julian
Hello,   What are the minimum and maximum values for the data when we use the gr_vector_source_X? I do not find this information in the Doxygen documentation.   Thanks Julian De Lima ___ Discuss-gnuradio mailing list Discuss-gnuradio@gn

[Discuss-gnuradio] Up Conversion Weirdness

2006-10-23 Thread Thomas Schmid
Hi Everyone, I have some strange behavior of gnuradio while trying to do an upconversion and multi-channel transmitter. I am currently trying to have two packet transmitters send packets simultaniously on two different radio channels. For this, I upconvert one of the transmitters and add the two

Re: [Discuss-gnuradio] Problems running example audio_fft.py

2006-10-23 Thread Dave hartzell
Michael, Comments/questions below: On 10/23/06, Michael Dickens <[EMAIL PROTECTED]> wrote: Hence I would believe that if you're running on a single-cpu G4 or G5, even up to 2 GHz, the wxGUI stuff probably won't be very effective. OTOH, running a dual-G4 @ 1.25 GHz -just barely- works, so runni

RE: [Discuss-gnuradio] Communication TEST

2006-10-23 Thread Tom Rondeau
Roberto > -Original Message- > From: [EMAIL PROTECTED] [mailto:discuss- > [EMAIL PROTECTED] On Behalf Of Roberto > Mastrodonato > Sent: Friday, October 20, 2006 4:56 AM > To: GNURadio Discussion List > Subject: [Discuss-gnuradio] Communication TEST > > Hi all > > I've installed Gnuradio/

Re: [Discuss-gnuradio] How to Repair a flex2400?

2006-10-23 Thread Matt Ettus
hanwen wrote: > > Hi, everyone. > > I've got a flex2400 damaged by filling signal directly into TX/RX > though a cable. Now the borad can not either receive nor transmit. It > seems that the flow graph always get halted. > What part would be possible broken? > Can it be repaired? And what should I

Re: [Discuss-gnuradio] RFID receiver

2006-10-23 Thread Harald Welte
On Tue, Sep 19, 2006 at 11:55:51AM +0200, Erlend Barstad Strand wrote: > Hello > > As a pre-project to my master-project I am considering making a RFID > receiver with gnuradio, atleast attempt to. However I recently noticed > that an RFID detector/receiver is mentioned as a project under > invest

Re: [Discuss-gnuradio] dbsrx question

2006-10-23 Thread Eric Blossom
On Sun, Oct 22, 2006 at 10:31:31PM -0700, David Caruth wrote: > Hi All. > > I have searched this forum for i2c errors and dbs problems, but have > not found anything like my problem. I'm sure I have the correct i2c > address set as well. Any suggestions? Please don't suggest that I > just u

Re: [Discuss-gnuradio] How to exploring the software processing blocks?

2006-10-23 Thread Eric Blossom
On Sat, Oct 21, 2006 at 06:04:17PM +0100, Komar Wijaya wrote: > Dear all, > > I am a student of a university in Indonesia. I am interested in SDR. As a > beginner in this field, I have question and I hope someone can help me, can > answer and explain a little explanation to me about my ques

Re: [Discuss-gnuradio] Communication TEST

2006-10-23 Thread Eric Blossom
On Fri, Oct 20, 2006 at 10:55:46AM +0200, Roberto Mastrodonato wrote: > My daugtherboard is a flex2400. To test its goodness I launch: > > ./benchmark_tx.py -f 241200.0 -v and I get > > >>>gr_fir_fff: using 3DNow! > bits per symbol = 1 > Gaussian filter bt = 0.35 > Using TX d'board A: Flex 24

Re: [Discuss-gnuradio] Additional decimation in USRP

2006-10-23 Thread Matt Ettus
Philip Balister wrote: > I have a narrowband FM receiver running (not based on GNU radio) using > the usrp library and the USRP hardware. I would be helpful if the USRP > firmware could reduce the sample to 25 ksps from the current 250 ksps > at the maximum decimation factor. I want to try run ning

Re: [Discuss-gnuradio] writing to fpga registers

2006-10-23 Thread Eric Blossom
On Thu, Oct 19, 2006 at 05:40:05AM -0700, seph 004 wrote: > Hi > > I am having a bit of trouble trying to work out how to write to FPGA > registers from a c++ program. I found two methods that would do it, namely > '_write_fpga_reg' in 'usrp_basic' and 'usrp_write_fpga reg' in 'usrp_prims'. > I

Re: [Discuss-gnuradio] GNU Radio overview podcast

2006-10-23 Thread Eric Blossom
On Wed, Oct 18, 2006 at 07:22:04PM -0700, Mark Petrovic wrote: > Eric was kind enough to spend time with me to produce an overview podcast of > GNU Radio, targetted at teh curious or newcomer. > > It's my first recorded podcast, so the audio quality is not what I would > have hoped, but I believe

Re: [Discuss-gnuradio] Any fast algorithm for computing square root?

2006-10-23 Thread Eric Blossom
On Wed, Oct 18, 2006 at 03:51:23PM -0400, Dawei Shen wrote: > Hey guys > > A question not quite related to GNU Radio. Does there exist any fast > algorithm for computing the square root of a float number? In my algorithm, > I need to compute the square root of a float number which ranges between 0

Re: [Discuss-gnuradio] Problem in usable Python.h header file.

2006-10-23 Thread Eric Blossom
On Wed, Oct 18, 2006 at 06:13:04AM -0700, Written wrote: > > > > Tarun Tiwari wrote: > > > > Hi, > > > > I am installing GNU Radio 3.0 on Linux Mandriva Official 2007.0, when I am > > trying to do ./configure I receive an error like "unable to find usable > > Python.h header file" > > > > I f

Re: [Discuss-gnuradio] Who has TDMA on GNU Radio or is developing it?

2006-10-23 Thread Eric Blossom
On Wed, Oct 18, 2006 at 02:17:11PM +0800, Jeremy Chew wrote: > Hello, > > May I inquire who has TDMA for GR or is working on it? According to one of > the GR sites, I understand that work on TDMA waveforms on GR is on progress. > > Cheers, > Jeremy Chew Matt and I are working on it. We met a co

Re: [Discuss-gnuradio] Full release 3.0 Tarball?

2006-10-23 Thread Eric Blossom
On Mon, Oct 23, 2006 at 09:44:28AM -0500, Meiners, Jason wrote: > All, > > Can someone post a tarball of the FULL 3.0 release on the FTP site (or > email to me)? I am behind a proxy here and can't get svn to work. The > current tarball is missing some of the directories. > This is the full rel

[Discuss-gnuradio] Full release 3.0 Tarball?

2006-10-23 Thread Meiners, Jason
All,   Can someone post a tarball of the FULL 3.0 release on the FTP site (or email to me)?  I am behind a proxy here and can’t get svn to work.  The current tarball is missing some of the directories.   Thanks, -Jason ___ Discuss-gnura

Re: [Discuss-gnuradio] Problems running example audio_fft.py

2006-10-23 Thread Marcus Leech
Michael Dickens wrote: I would be quite curious about the CPU utilization of a Linux box - along with the hardware specs to make the judgement relatively correct. Even better would be to try an Intel Mac running both OSX and Linux and compare the CPU utilization ... hmmm ... that would be p

Re: [Discuss-gnuradio] Problems running example audio_fft.py

2006-10-23 Thread Michael Dickens
I know that the GNU Radio GUI stuff is -slow- on OSX because it does wx(Python)->X11->Aqua/CoreGraphics, and the "X11->" part is a big bottleneck. Where did you get the above information from? Is there some good source for reading about this developing good wxpython graphics on os x? The info

[Discuss-gnuradio] web seminar: IF Modem design

2006-10-23 Thread Charles Swiger
Some list members might be interested in these web seminars, esp. IF Modem Design: http://seminar2.techonline.com/s/altera_nov06_series --Chuck ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss