[Discuss-gnuradio] color decoding of tv signals

2011-03-14 Thread ranjini ram
hi, Currently am involved in work where i can receive multiple stations simultaneously.I could do for fm broadcasting now am cworking in tv signals.i found that signal decoding is an issue.can anybody guide how to proceed with color signal decoding of tv signals. thanks in advance Ranjini

Re: [Discuss-gnuradio] where to get burn-db-eeprom source code

2011-03-14 Thread James Jordan
yeah thanks. I didn't notice it is python file for it do not have extension .py On Tue, Mar 15, 2011 at 11:25 AM, John Orlando wrote: > On Mon, Mar 14, 2011 at 9:50 PM, James Jordan > wrote: > > Hi all, any one know where to get burn-db-eeprom source code? > > The burn-db-eeprom application is a

Re: [Discuss-gnuradio] try to install minimal gnu-radio

2011-03-14 Thread shushank . sharma
if i did GRC_GRUEL dnl must come first GRC_GCELL GRC_GNURADIO_CORE GRC_USRP GRC_USRP2 dnl GRC_GR_USRP dnl this must come after GRC_USRP dnl GRC_GR_USRP2 dnl GRC_GR_GCELLdnl this must come after GRC_GCELL and GRC_GNURADIO_CORE dnl GRC_GR

Re: [Discuss-gnuradio] where to get burn-db-eeprom source code

2011-03-14 Thread John Orlando
On Mon, Mar 14, 2011 at 9:50 PM, James Jordan wrote: > Hi all, any one know where to get burn-db-eeprom source code? The burn-db-eeprom application is a Python script, and thus the source code _is_ the application in a sense, since it is interpreted. It can be found at: //usrp/host/apps/burn-db-

[Discuss-gnuradio] where to get burn-db-eeprom source code

2011-03-14 Thread James Jordan
Hi all, any one know where to get burn-db-eeprom source code? ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] where to get burn-db-eeprom source code

2011-03-14 Thread James Jordan
Hi all, any one know where to get burn-db-eeprom source code? ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

RE: [Discuss-gnuradio] How to decode the convolutional code, in the GRC

2011-03-14 Thread intermilan
Achilleas: Do you mean I should put the chunks_to_symbols block between the packet_decoder and Viterbi_combined block? and when I do it , I can get the original data from the viterbi block(I still not add the noise).In my opinion,the function of the chunks_to_symbols block is just to ident

Re: [Discuss-gnuradio] import usrp_siggen

2011-03-14 Thread Josh Blum
On 03/14/2011 02:52 PM, Vijay Pillai wrote: > I am trying to run this script available at > > http://swigerco.com/gnuradio/ate/ > > to sweep through several frequencies and to log the data. However running the > script gives me an error regarding the "import usrp_siggen" (I am attaching > som

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Marc Epard
Hi Scott, You'll find uhd_streamer.cpp at . Some things you should know: * It doesn't use gnu-radio, but uses UHD directly. (We should move to the usrp-users list if you want to continue the discussion.) * It can do two UHD transmits and one receive at the same ti

[Discuss-gnuradio] import usrp_siggen

2011-03-14 Thread Vijay Pillai
I am trying to run this script available at http://swigerco.com/gnuradio/ate/ to sweep through several frequencies and to log the data. However running the script gives me an error regarding the "import usrp_siggen" (I am attaching some of code below, the error is "no module named usrp_siggen.p

Re: [Discuss-gnuradio] 【help】 Please send me the "tunnel.py" which can be used on USRP2

2011-03-14 Thread Feng Andrew Ge
Josh, I haven't found time learning how to create new branches and upload files using git yet, would you mind post the attachment? Thanks, Andrew On 03/14/2011 03:01 PM, Josh Blum wrote: On 03/14/2011 06:23 AM, 齐亮 wrote: Hello, everybody. I need the code of “tunnel.py” which can b

Re: [Discuss-gnuradio] How UHD, GNURadio and USRP are bound together.

2011-03-14 Thread Josh Blum
> I write uhd_find_devices no result, then I write uhd_find_devices > --args="type=usrp1", no result, I don't get any error, I don't get anything, > like when trying t without connecting the USRP1 to PC, no error, nothing. > > So, I don't know where could be the problem, and I start to ha

Re: [Discuss-gnuradio] Latest uhd and e100 fpga image seemingly incompatible

2011-03-14 Thread Josh Blum
On 03/14/2011 12:04 PM, Phelps Williams wrote: > I completed building and installing uhd and gnuradio on an e100 last night > following the directions here: > http://code.ettus.com/redmine/ettus/projects/usrpe1xx/wiki/FAQ > > I copied usrp_e100_fpga.bin from the tarball here: > http://www.ettus.

[Discuss-gnuradio] Latest uhd and e100 fpga image seemingly incompatible

2011-03-14 Thread Phelps Williams
I completed building and installing uhd and gnuradio on an e100 last night following the directions here: http://code.ettus.com/redmine/ettus/projects/usrpe1xx/wiki/FAQ I copied usrp_e100_fpga.bin from the tarball here: http://www.ettus.com/downloads/uhd_images/UHD-images-most-recent/ into /usr/sh

Re: [Discuss-gnuradio] 【help】 Please send me the "tunnel.py" which can be used on USRP2

2011-03-14 Thread Josh Blum
On 03/14/2011 06:23 AM, 齐亮 wrote: > Hello, everybody. > > I need the code of “tunnel.py” which can be used on USRP2, if you > have , please send it to me. Thank you very much. > tunnel.py should work for both usrp1 and usrp2 legacy drivers. Andrew, do you mind posting your latest tunne

Re: [Discuss-gnuradio] try to install minimal gnu-radio

2011-03-14 Thread Josh Blum
On 03/14/2011 06:55 AM, shushank.sha...@zerosystems.in wrote: > Hello every one i am start using gnu radio... > > i want to write configure.ac in a manner that only gnuradio-core in build... > > without giving any commandline option on configure script... > > How can i did this... > comment

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Marc Epard
Thanks, Jason. I should have posted our observations back when we made them. We're doing okay with the two-USRP setup, but it's good to have options. -Marc On Mar 14, 2011, at 12:30 PM, Jason Abele wrote: However, the WBX has enough internal leakage between tx and rx that we gave up o

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Marcus D. Leech
On 14/03/2011 12:12 PM, Marc Epard wrote: Although the XCVR2450 doesn't do full duplex, the WBX does, and current UHD avoids the problem I described in my previous message. However, the WBX has enough internal leakage between tx and rx that we gave up on single-daughterboard full duplex. We n

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Jason Abele
>>> However, the WBX has enough internal leakage between tx and rx that we >>> gave up on single-daughterboard full duplex. >>> >> >> Just a heads up, you had not tried WBX without C1 installed on the >> grand-daughterboard, or even without the grand-daughterboard at all, >> just using J202 and J20

Re: [Discuss-gnuradio] USRP2 with Basic Tx Daugther board io_tx pins monitoring

2011-03-14 Thread Matt Ettus
On 03/14/2011 08:14 AM, Leonard Marziliano wrote: > Hi, > > I want to monitor the I and Q samples being send over to the AD9777 DAC > (channel 1). I've noticed on the USRP2 schematic that the FPGA provides > io_tx[0:15] pins which are routed on the daughter board for probing (I > use the Basic Tx

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Scott Johnston
Jason, Could you elaborate on this? I don't follow what you are talking about. Thanks Scott Jason Abele wrote: However, the WBX has enough internal leakage between tx and rx that we gave up on single-daughterboard full duplex. Just a heads up, you had not tried WBX without C1 installe

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Jason Abele
> However, the WBX has enough internal leakage between tx and rx that we gave > up on single-daughterboard full duplex. Just a heads up, you had not tried WBX without C1 installed on the grand-daughterboard, or even without the grand-daughterboard at all, just using J202 and J201 on the main WBX

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Vijay Pillai
Hi Marc, How much leakage are you seeing between TX and RX on a WBX board? Yeah, GRC works fine for full duplex and it is very easy to set it up. Best regards, -Vijay --- On Mon, 3/14/11, Marc Epard wrote: From: Marc Epard Subject: Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Marc Epard
On Mar 14, 2011, at 8:53 AM, Marcus D. Leech wrote: > On 14/03/2011 9:42 AM, Scott Johnston wrote: >> Does anybody have an example of how to setup a full duplex app? >> >> I am using the uhd with the USRP n210. >> >> Marc Epard wrote: >>> I've been attempting to do a full duplex send/recv using

[Discuss-gnuradio] USRP2 with Basic Tx Daugther board io_tx pins monitoring

2011-03-14 Thread Leonard Marziliano
Hi, I want to monitor the I and Q samples being send over to the AD9777 DAC (channel 1). I've noticed on the USRP2 schematic that the FPGA provides io_tx[0:15] pins which are routed on the daughter board for probing (I use the Basic Tx daugther board). Now, when I run the tx_samples app examp

Re: [Discuss-gnuradio] How to decode the convolutional code, in the GRC

2011-03-14 Thread Achilleas Anastasopoulos
inter, as i said in my previous email, you just have to consider the equivalent channel (the fact that it is noiseless is irrelevant in this discussion) from the output of the FSM encoder to the input of the VA. It seems you prefer to call it equivalent "modulator"; that's fine! Once you realize w

[Discuss-gnuradio] try to install minimal gnu-radio

2011-03-14 Thread shushank . sharma
Hello every one i am start using gnu radio... i want to write configure.ac in a manner that only gnuradio-core in build... without giving any commandline option on configure script... How can i did this... thanks ___ Discuss-gnuradio mailing list Di

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Marcus D. Leech
On 14/03/2011 9:42 AM, Scott Johnston wrote: Hello Mark, Is there anyway you could post your code or a link to it on the forum? I am interested in full duplex communications. Rest of the gnuradio world, Does anybody have an example of how to setup a full duplex app? I am using the uhd with

Re: [Discuss-gnuradio] UHD USRP2 full duplex mystery solved

2011-03-14 Thread Scott Johnston
Hello Mark, Is there anyway you could post your code or a link to it on the forum? I am interested in full duplex communications. Rest of the gnuradio world, Does anybody have an example of how to setup a full duplex app? I am using the uhd with the USRP n210. TIA Scott Marc Epard wrote:

[Discuss-gnuradio] 【help】 Please send me the "tunnel.py" which can be used on USRP2

2011-03-14 Thread 齐亮
Hello, everybody. I need the code of “tunnel.py” which can be used on USRP2, if you have , please send it to me. Thank you very much. Best regards lex ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/li

[Discuss-gnuradio] Re: [OMG] Cox DVR

2011-03-14 Thread Jason Uher
On Mon, Mar 14, 2011 at 12:10 AM, Nathan Schulte wrote: > Jason Uher wrote: > Mike, if you follow Jason's advice, your DVR is going to end up > looking something like this: > http://hackaday.com/2011/03/13/reverse-engineering-the-psp/ Suddenly, all the effort I put into high speed PCB designs se

Re: [Discuss-gnuradio] My SHIELDING is wrong?

2011-03-14 Thread Sim IJskes
On 14-03-11 12:49, Songsong Gee wrote: Thank you for your answer So, does you mean that I have to connect foil with ground pin of the connector? It seems to make sense... I'll try it Make sure you make no short between shield and pad, by measuring with ohm meter. Also, if you are going to u

Re: [Discuss-gnuradio] My SHIELDING is wrong?

2011-03-14 Thread Songsong Gee
Thank you for your answer So, does you mean that I have to connect foil with ground pin of the connector? It seems to make sense... I'll try it Thank you so much 2011/3/14 Sim IJskes > On 14-03-11 12:31, Songsong Gee wrote: > >> So, I make a shield around the rod part. This shield is made with

Re: [Discuss-gnuradio] My SHIELDING is wrong?

2011-03-14 Thread Sim IJskes
On 14-03-11 12:31, Songsong Gee wrote: So, I make a shield around the rod part. This shield is made with Aluminum foil which is used for cooking. https://picasaweb.google.com/lh/photo/kMx24c0PLaQdhfo2-t00MQ?feat=directlink I cant see a electrical connection between the foil and the shielding s

[Discuss-gnuradio] My SHIELDING is wrong?

2011-03-14 Thread Songsong Gee
I have electrodes to be tested their characteristics Here is a picture of them, https://picasaweb.google.com/lh/photo/UY9fJGfk2iayEBafvniVbg?feat=directlink And I connected them to USRPs via SMA-SMA cable https://picasaweb.google.com/lh/photo/0wJ84tU_Y0veX6svcWBeMw?feat=directlink However, there

Re: [Discuss-gnuradio] changing fpga's code

2011-03-14 Thread Euripedes Rocha Filho
Is possible to have a FFT using the cordic algorithm. At opencores you can get a configurable one. I used it some time ago but I don't remember the percentual of FPGA utilization, or the use of any multipliers. Euripedes 2011/3/12 Matt Ettus > On 03/11/2011 06:06 PM, Alaa Salaheldin wrote: > >

RE: [Discuss-gnuradio] How to decode the convolutional code, in the GRC

2011-03-14 Thread intermilan
Achilleas: What I want to do is want to see the BER when the convolutional code is used in different modulator in the GRC,but I had not put the noise source in the flow graph so there is no noise between the modulator and demodulator. Besides,in my opinion, we can consider the packet

RE: [Discuss-gnuradio] How to decode the convolutional code in the GRC

2011-03-14 Thread intermilan
Ben: Thanks for your last e-mail.What I want to see is the point of my case is to see the BER of data when convolutional code is used in the different modulator.So DBPSK block is just one example,and these cases are particular asked to do in the GRC by my supervisor。I will try what you

Re: [Discuss-gnuradio] Question about Double / Float values in GRC

2011-03-14 Thread Josh Blum
> Is it even possible to read a file with double values using a GRC > generated script and the gr_file_source block? Or is there something > else I am doing wrong? > Its a 2 part problem: Unlike gnuradio blocks, in GRC, the data type is checked. So there is no support for double streams. Howev

[Discuss-gnuradio] Question about Double / Float values in GRC

2011-03-14 Thread Tom Hendrick
Hello All I have a basic/beginner question. I am using mkfifo to pipe output from a C++ application to a GRC script using a named pipe. I'm using C++ code that another student wrote and I am not too keen on making difficult changes to it.  In mode 1, it outputs a waveform in double values in