Re: [Discuss-gnuradio] usrp_siggen.py underruns

2009-02-11 Thread Eric Blossom
On Wed, Feb 11, 2009 at 07:35:10PM +0100, Dominik Auras wrote: Hi! I am currently observing an odd behavior of usrp_siggen.py. When I start the program as follows ./usrp_siggen.py -f 2.40G -i 16 --gaussian there are a lot of underruns (uU). However, for all other signal generation

Re: [Discuss-gnuradio] usrp_siggen.py underruns

2009-02-11 Thread Eric Blossom
On Wed, Feb 11, 2009 at 08:35:56PM +0100, Dominik Auras wrote: Hi! That won't help. The problem is that the gaussian RNG is really slow. You'll need to figure out how to make it faster. I am sorry. This was an example and I hoped that the RNG is fast enough. Actually, I have observed

Re: [Discuss-gnuradio] usrp_siggen.py underruns

2009-02-11 Thread Eric Blossom
On Wed, Feb 11, 2009 at 10:26:25PM +0100, Dominik Auras wrote: Hi! An additional note: using usrp_siggen.py with sine, const and uniform at 8 MHz bandwidth actually works. It is unlikely that my EHCI controller does not support 32 MB/s on transmit. OK. Could this be a timing problem? I

Re: [Discuss-gnuradio] usrp_siggen.py underruns

2009-02-11 Thread Eric Blossom
On Wed, Feb 11, 2009 at 06:28:16PM -0500, Frank Brickle wrote: A classical reference for fast generation of random numbers under various distributions is Lorrain, D. 1980. *A Panoply of Stochastic 'Cannons'.* Computer Music Journal 4(1) The common shortcut to Gaussian random sequences

Re: [Discuss-gnuradio] USRP2 PPS and REF

2009-02-10 Thread Eric Blossom
On Tue, Feb 10, 2009 at 10:48:18AM -0600, Douglas Geiger wrote: Eric Blossom wrote: You have to tell it to use them. Take a look in usrp2/usrp2.h: config_mimo(MC_WE_LOCK_TO_SMA) sync_to_pps() There are python bindings for these. (Oops, looks like we're missing

Re: [Discuss-gnuradio] Overrun when there shouldn't be

2009-02-10 Thread Eric Blossom
On Mon, Feb 09, 2009 at 11:34:17PM -0800, Chris Stankevitz wrote: Johnathan Corgan wrote: On Mon, Feb 9, 2009 at 7:07 PM, Chris Stankevitz cstankev...@toyon.com wrote: I wrote a c++ program that grabs data from the USRP in an infinite loop and does nothing with it. It overruns. Can

Re: [Discuss-gnuradio] Writing To An IO FPGA Register

2009-02-09 Thread Eric Blossom
On Mon, Feb 09, 2009 at 01:06:36AM -0500, Ben Perry wrote: I am trying to write to an IO register on my FPGA to open the lines of communication. Right now I am just using benchmark_tx.py as my test case. In transmit_path.py I added the following

Re: [Discuss-gnuradio] USRP2 PPS and REF

2009-02-09 Thread Eric Blossom
On Mon, Feb 09, 2009 at 10:50:44AM -0500, Suprin, Charles E. wrote: Hello, I have hooked up the USRP2 to a PPS and a GPSDO 10MHz reference. Is there a way I can tell if the FPGA is seeing these signals and locking onto them? Charles Hi Charles, You have to tell it to use them. Take

Re: [Discuss-gnuradio] New USRP2 Warning Message

2009-02-09 Thread Eric Blossom
On Sun, Feb 08, 2009 at 10:11:05PM -0800, Firas Abbas wrote: Hi, On Sun, 2/8/09, Johnathan Corgan jcor...@corganenterprises.com wrote: Do you get this every time you run usrp2_fft.py? Can you try usrp2_siggen.py or usrp2_rx_cfile.py? Johnathan Yes, with usrp2_siggen.py or

Re: [Discuss-gnuradio] Writing To An IO FPGA Register

2009-02-09 Thread Eric Blossom
On Mon, Feb 09, 2009 at 09:56:43PM -0500, Ben Perry wrote: So I am using higher-level interfaces to write to these registers. Namely I am concerned with writing to the output enable register for RxA. From my understanding of what I have to do I set up my source_c and then I am able to

Re: [Discuss-gnuradio] Overrun when there shouldn't be

2009-02-09 Thread Eric Blossom
On Mon, Feb 09, 2009 at 07:07:56PM -0800, Chris Stankevitz wrote: Hi, I wrote a c++ program that grabs data from the USRP in an infinite loop and does nothing with it. It overruns. Can anyone help me figure out why? This runs on a 2.4GHz computer that isn't doing anything else. I'm

Re: [Discuss-gnuradio] Re: fusb::_reap: Interrupted System Call

2009-02-09 Thread Eric Blossom
On Mon, Feb 09, 2009 at 07:29:40PM -0800, Chris Stankevitz wrote: On Thu, Oct 11, 2007 at 03:54:56PM -0400, Jared Jensen wrote: Does anyone know why I get fusb::_reap: Interrupted System Call frequently? There are no overruns, and my data seems good, but I keep getting this error. If it's

Re: [Discuss-gnuradio] USRP1 FPGA configuration with 16, 8, 4, 2, and 1-bit quantization options available for test

2009-02-06 Thread Eric Blossom
On Thu, Feb 05, 2009 at 04:47:08PM -0500, Paul Creekmore wrote: For whoever is interested, I have a branched revision of the USRP1 FPGA code ready that supports 16, 8, 4, 2, and 1-bit quantization. The Verilog code is available for review in my developer's branch of the GNU Radio SVN

Re: [Discuss-gnuradio] Using benchmark_ofdm.py gr_plot_ofdm.py

2009-02-05 Thread Eric Blossom
On Wed, Feb 04, 2009 at 07:26:33PM +0100, Jérémy Skelton wrote: Hi, I would like to have some comments about the resulting plot I had : http://www.skelton.eu.org/Image%201.png Secondly, I would like to know exactly what is the meaning of the Symbol number on top of the picture. In my mind,

Re: [Discuss-gnuradio] Implementing the USRP1 in another platform

2009-02-05 Thread Eric Blossom
On Thu, Feb 05, 2009 at 09:34:57AM -0600, Pablo Mendoza wrote: Hi! I am working in a DAB digital radio project, and i am interested to implement the USRP 1 in the development board XtremeDSP kit IV (Nallatech). It board uses an Virtex 4 FPGA and have an PCI interface. My idea is to use the

Re: [Discuss-gnuradio] is there a sdcc option for configure

2009-02-04 Thread Eric Blossom
On Wed, Feb 04, 2009 at 11:06:49AM +, feldmaus wrote: Hi, is there a secret sdcc Option, so that i can select another SDCC Root Directory ? I do not want to install the sdcc Source with, ./configure make make install This will install sdcc System wide and could do damage. I want

Re: [Discuss-gnuradio] Tuning problem - usrp_fft.py - segmentation fault

2009-02-03 Thread Eric Blossom
On Tue, Feb 03, 2009 at 10:19:44AM +0100, Fabian Uehlin wrote: Hello! I have a Gentoo Linux system with KDE and the current svn version of GNURadio and OpenBTS (revision 10370). Because tuning of my two daugtherboards (RFX-1800, USRP1) failed with OpenBTS, an user give me the hint to run

Re: [Discuss-gnuradio] Ubuntu make error - Unable to open file gnuradio_swig_py_runtime.py

2009-02-03 Thread Eric Blossom
On Tue, Feb 03, 2009 at 06:58:59PM +0100, Fabian Uehlin wrote: Yes, I test the the old Ubuntu version and this version works fine (running usrp_fft.py). Now I have the current svn revision 10378 (the current trunk). This version fails with error Unable to open file

Re: [Discuss-gnuradio] Interfacing to USRP2 with C++

2009-02-03 Thread Eric Blossom
On Tue, Feb 03, 2009 at 04:29:12PM -0500, Jonathan Peck wrote: Hi, I am currently trying to write a C++ program that interfaces to USRP2. I was able to successfully complete the tutorial found at http://www.gnuradio.org/trac/wiki/UsrpFAQ/CppInterface for interfacing to the USRP1 despite the

Re: [Discuss-gnuradio] usrp_multi and the USRP2

2009-02-03 Thread Eric Blossom
On Tue, Feb 03, 2009 at 02:33:15PM -0600, Douglas Geiger wrote: Is there any code similar to usrp_multi.py to use multiple USRP2's already (or is it unnecessary)? As I understand it, with the USRP2, you either use the MIMO cable, or an external reference to synchronize the clocks - then on

Re: [Discuss-gnuradio] AM modulated signal

2009-02-03 Thread Eric Blossom
On Tue, Feb 03, 2009 at 05:57:47PM -0800, abrar muhammad wrote: Hi when I applied AM modulated signal to USRP from Signal Generator. I can not getting the same modulating frequency. What are you getting? Have you tried looking at the signal using usrp_fft.py? Parameters are as. RF

Re: [Discuss-gnuradio] some usrp modules are missing

2009-02-02 Thread Eric Blossom
On Mon, Feb 02, 2009 at 02:18:28PM +, feldmaus wrote: Hi, i compiled the gnuradio software correctly with this options: ./configure --enable-gr-wxgui --enable-grc --enable-usrp \ --enable-gr-usrp --enable-gr-audio-alsa --enable-gnuradio-examples \ --enable-gnuradio-core

Re: [Discuss-gnuradio] brief scheduled downtime for gnuradio.org

2009-02-02 Thread Eric Blossom
On Sun, Feb 01, 2009 at 10:00:42AM -0800, Eric Blossom wrote: The gnuradio.org server will be down for about 15 minutes tomorrow, Monday February 2nd, starting at 0800 Pacific Standard Time (UTC - 0800). gnuradio.org is back up. Eric ___ Discuss

Re: [Discuss-gnuradio] How to write USB 2.0 interface for Windows in C++?

2009-02-02 Thread Eric Blossom
On Mon, Feb 02, 2009 at 05:22:23PM +0500, Ujala Qasim wrote: Hi, I am trying to capture USB 2.0 packets sent over by the USRP in a C++ program. I was able to found a code that does the similar job in Linux: [snip] I was able to successfully achieve my goal through this code in Linux.

Re: [Discuss-gnuradio] How to write USB 2.0 interface for Windows in C++?

2009-02-02 Thread Eric Blossom
On Mon, Feb 02, 2009 at 06:30:20PM +0500, Ujala Qasim wrote: Just use the interface exported by user_standard.h Do you mean I should use the usrp_standard.cc? Yes. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org

Re: [Discuss-gnuradio] Ring-buffer allocation

2009-02-02 Thread Eric Blossom
On Sun, Feb 01, 2009 at 07:56:33PM -0500, Marcus D. Leech wrote: Eric, et al: How does the ring-buffer allocation work in Gnu Radio? For example, if I'm shuffling vectors around--let's say 1600 complex items per vector, how many of these vector-sized items are allocated in a ring

Re: [Discuss-gnuradio] OFDM Updates

2009-02-02 Thread Eric Blossom
On Mon, Feb 02, 2009 at 08:45:37PM -0800, adib_sairi wrote: I had download the whole trunk (Revision 10377) but i cannot run the example in it (benchmark_ofdm_tx.py) and i think it is because i does not merge it with my GNU Radio yet. I use GNU Radio 3.1.3. how can i merge the trunk with

Re: [Discuss-gnuradio] How to write USB 2.0 interface for Windows in C++?

2009-02-02 Thread Eric Blossom
On Tue, Feb 03, 2009 at 10:53:01AM +0500, Ujala Qasim wrote: I actually want to interface the USRP and a DSP board together. For this I need to write the USB 2.0 interface between them. I am initially trying to write a C++ code that will capture the data samples from USRP's USB 2.0 in Windows.

[Discuss-gnuradio] brief scheduled downtime for gnuradio.org

2009-02-01 Thread Eric Blossom
The gnuradio.org server will be down for about 15 minutes tomorrow, Monday February 2nd, starting at 0800 Pacific Standard Time (UTC - 0800). (We're installing a remote power controller in preparation for an OS upgrade later on in the week.) Eric ___

Re: [Discuss-gnuradio] GNU Radio 3.2 Release Candidate 0 posted to gnuradio.org

2009-02-01 Thread Eric Blossom
On Sun, Feb 01, 2009 at 11:59:11AM -0700, Michael Gray wrote: Built and tested with Ubuntu 8.04 LTS Server version. All stock packages with the exception of boost_1_37_0 that was built and installed first. Built with all except 5 components as shown below. Tested with USRP1 hardware.

Re: [Discuss-gnuradio] Maximum recursion depth exceeded

2009-01-31 Thread Eric Blossom
On Sat, Jan 31, 2009 at 12:49:52PM -0500, Philip Balister wrote: On Thu, Jan 29, 2009 at 5:51 PM, Johnathan Corgan jcor...@corganenterprises.com wrote: On Wed, Jan 28, 2009 at 7:30 AM, Philip Balister philip.balis...@gmail.com wrote: r...@beagleboard:~# python

Re: [Discuss-gnuradio] help: cannot send after transport endpoint shutdown

2009-01-31 Thread Eric Blossom
On Sat, Jan 31, 2009 at 10:59:10PM +0800, Joreen Tan wrote: Hi, i am actually trying to do a half duplex (receive) using one board (900MHz) and half duplex (transmit) using another board (1800MHz) in the same usrp. I have another usrp for the same function. I actually make use of

Re: [Discuss-gnuradio] Maximum recursion depth exceeded

2009-01-31 Thread Eric Blossom
On Sat, Jan 31, 2009 at 07:16:36PM +0100, Dimitris Symeonidis wrote: Just informing the group that, from what it seems, the default python version for Ubuntu 9.04 will be the same it was for 8.10, namely 2.5.2: http://packages.ubuntu.com/jaunty/python Instead, python3 is included in both

Re: [Discuss-gnuradio] Purpose of extra two bits sent to FX2 chip with data samples

2009-01-31 Thread Eric Blossom
On Sun, Feb 01, 2009 at 12:30:58AM -0500, Paul Creekmore wrote: The FPGA on USRP1 sends an extra two bits of data with each 16-bit word (to the FX2 chip). If I'm not mistaken, the first bit is set when accompanying a sample from rx channel 0, and the second bit is set when accompanying

Re: [Discuss-gnuradio] Maximum bandwidth out of USRP

2009-01-30 Thread Eric Blossom
On Fri, Jan 30, 2009 at 01:16:34PM -0500, Marcus D. Leech wrote: If I'm using the USRP in 8-bit sample mode, can I get 16Msps complex data over to the host, or am I maxed out at 8Msps? It'll do 16MS/s in 8-bit. Eric ___ Discuss-gnuradio mailing

Re: [Discuss-gnuradio] OFDM Updates

2009-01-30 Thread Eric Blossom
On Fri, Jan 30, 2009 at 06:52:24AM -0800, adib_sairi wrote: hi, i would like to try the OFDM example but i cannot find the benchmark_ofdm_tx.py and benchmark_ofdm_rx.py file in /gnuradio-example/python/digital. did i search it in the wrong place or did the file being remove from the

Re: [Discuss-gnuradio] USRP2 missing Quadrature samples

2009-01-30 Thread Eric Blossom
On Fri, Jan 30, 2009 at 04:24:55PM -0800, Leslie Choong wrote: So I've pulled down the most recent trunk and re-built gnuradio. One thing I noticed that I forgot about was that running make in gnuradio/usrp2 does not produce a txrx.bin under usrp2/firmware/apps. I must have copied the latest

Re: [Discuss-gnuradio] Memory oinking

2009-01-29 Thread Eric Blossom
On Thu, Jan 29, 2009 at 10:33:06AM -0500, Marcus D. Leech wrote: I have a simple flow-graph, A USRP, single channel, and a large FFT block, followed by a vector to stream, and a file-output block. The FFT is 8M points, which for complex float samples, give something like a 64M memory

Re: [Discuss-gnuradio] help: cannot send after transport endpoint shutdown

2009-01-29 Thread Eric Blossom
On Thu, Jan 29, 2009 at 01:56:43PM +0800, Joreen Tan wrote: If i want the usrp to act as both of a transmitter and a receiver at one station, meaning i want the usrp to be able to transmit and receive at the same time, which file should i activate instead? Do you want to transmit and receive

Re: [Discuss-gnuradio] Exploring the world of GNU

2009-01-29 Thread Eric Blossom
On Wed, Jan 28, 2009 at 10:28:36PM -0800, Karthik wrote: Try the following: usrp_wfm_rcv.py -f 104.5 -O plughw:0,0 Be sure to provide the SI suffix on the freq otherwise it's going to try to tune to 104.5 Hz usrp_wfm_rcv.py -f 104.5M -O plughw:0,0 Eric

Re: [Discuss-gnuradio] Write bin to SD card

2009-01-28 Thread Eric Blossom
On Tue, Jan 27, 2009 at 10:42:43PM -0800, Yabo Li wrote: Hi Eric, Thanks very much for your reply. I tried to verify the bin that I programmed in the SD card using -v option. No error message and no success message either. The Unix/Linux convention is that programs don't print anything if

Re: [Discuss-gnuradio] help: cannot send after transport endpoint shutdown

2009-01-28 Thread Eric Blossom
On Wed, Jan 28, 2009 at 04:43:36PM +0800, Joreen Tan wrote: I'm trying it on the benchmark_tx and benchmark_rx scripts as i need to make it at least a half duplex communication between the two devices, i need to free up the resources if not i will get error message that states that the

Re: [Discuss-gnuradio] SVN Revisions and GSSM

2009-01-28 Thread Eric Blossom
On Wed, Jan 28, 2009 at 10:01:10AM +0100, José Carlos Reyes wrote: Hi all, I would like to test GSSM, so I want to download the revision 5220 of GNU Radio. Is it possible? How? Thanks in advance. Sicerely, Jose Carlos $ svn co http://gnuradio.org/svn/gnuradio/tr...@5220

Re: [Discuss-gnuradio] Problems with buffer allocation

2009-01-28 Thread Eric Blossom
On Wed, Jan 28, 2009 at 02:53:25PM +, Alvaro Palomo wrote: Hello, continuing with my attempt of building a block that manages two vectors in the input ports (one of 30 char and another one of 432 char), and one vector in the output of 510 char, I get the error message that I attach

Re: [Discuss-gnuradio] RE: Discuss-gnuradio Digest, Vol 74, Issue 75

2009-01-28 Thread Eric Blossom
On Wed, Jan 28, 2009 at 03:07:16PM +, [ Cosmin ] wrote: Hi all,Sorry I,ve forgot the included document,I have several questions to ask you, maybe you can help:First, text/html, quoted, windows-1252 _Please_ don't post html text to this mailing list. (or messages with a plain text and

Re: Fwd: [Discuss-gnuradio] SVN Revisions and GSSM

2009-01-28 Thread Eric Blossom
On Wed, Jan 28, 2009 at 09:11:19PM +0100, José Carlos Reyes wrote: Thank you Eric. I had to install that old revision due to the newer svn revisions do not work with gssm. Do you know what newer revision I can use with gssm? With r5220, the installation of gssm and wireshark is ok. But when I

Re: [Discuss-gnuradio] USRP FPGA 8-bit Data Ordering

2009-01-28 Thread Eric Blossom
On Wed, Jan 28, 2009 at 02:31:34PM -0500, Paul Creekmore wrote: Eric Blossom wrote: On Wed, Jan 21, 2009 at 09:50:41PM -0500, Paul Creekmore wrote: Eric Blossom wrote: On Wed, Jan 21, 2009 at 05:47:19PM -0500, Paul Creekmore wrote: Thanks for answering your own question

Re: [Discuss-gnuradio] GNURADIO 64 QAM 200 MHZ

2009-01-28 Thread Eric Blossom
On Tue, Jan 27, 2009 at 02:57:04AM -0800, didem colak wrote: Hi all, I want to configure USRP with Basic TX and Basic RX daughter boards using GNU Radio. I am not sure their capabilities are convenient for VHF 200 MHz and 64 QAM transmission. The DACs run at 128MS/s, thus there's a

Re: [Discuss-gnuradio] USRP continues to transmit after usrp_siggen.py stopped

2009-01-27 Thread Eric Blossom
On Mon, Jan 26, 2009 at 09:03:32PM -0800, Johnathan Corgan wrote: On Sun, Jan 25, 2009 at 9:21 PM, Kimminau Jr., Leo F. l...@mitre.org wrote: Using a PowerMac G5 to control the USRP, if I stop usrp_siggen.py, the USRP continues to transmit. Is this expected? No. This behavior is

Re: [Discuss-gnuradio] Write bin to SD card

2009-01-27 Thread Eric Blossom
On Mon, Jan 26, 2009 at 11:15:15PM -0800, Yabo Li wrote: Hi, I tried to follow the instructions in USRP2UserFAQ to program the SD card with the bin files from http://gnuradio.org/releases/usrp2-bin/trunk/. (txrx.bin and u2_rev3.bin), there is no error message showing up. However, when I

Re: [Discuss-gnuradio] Simple Broadcast FM Receiver

2009-01-27 Thread Eric Blossom
On Mon, Jan 26, 2009 at 10:45:46PM -0800, Firas Abbas wrote: Hi, On Tue, 1/27/09, Eric Blossom e...@comsec.com wrote: Attention all newbies: Please read the GNU Radio FAQ and the USRP FAQ and try searching with google before posting to the list. http://gnuradio.org/trac

Re: [Discuss-gnuradio] Gmsk_demod()

2009-01-27 Thread Eric Blossom
On Tue, Jan 27, 2009 at 07:20:42PM +0500, M. Awais Arshad wrote: Hello , I want to demodulate Gsm control channels , which i have captured using rfx900. i checked there specturm using fft,py file , Can anyone kindly guide me ,, wht steps should i take from here , to demodulate them

Re: [Discuss-gnuradio] Gmsk_demod()

2009-01-27 Thread Eric Blossom
On Tue, Jan 27, 2009 at 05:06:39PM +0100, José Carlos Reyes wrote: Hi, I want to demodulate GSM control channels too. Particularly, I am interested in AGCH and PCH channels (GSM Down Link). Is OpenBTS what we are looking for? I am trying to use gssm but I am having some problems with the

Re: [Discuss-gnuradio] Gmsk_demod()

2009-01-27 Thread Eric Blossom
On Tue, Jan 27, 2009 at 12:23:41PM -0500, yufeng wang wrote: Hello, everyone, We've just got two USRPs in our lab and we want to start using them to do some demodulation. I'd like to use one of them to transmit the sum of two (uncoded) signals, useful and interference, with possible

Re: [Discuss-gnuradio] Re: Discuss-gnuradio Digest, Vol 74, Issue 72

2009-01-27 Thread Eric Blossom
On Tue, Jan 27, 2009 at 11:09:49AM -0600, jingx kwan wrote: Hello, I have attached the PDF file which included the soft code. Sophal On Tue, Jan 27, 2009 at 11:00 AM, discuss-gnuradio-requ...@gnu.org wrote: Send Discuss-gnuradio mailing list submissions to

Re: [Discuss-gnuradio] Using different sizes for the different input ports of one GNU Radio block

2009-01-27 Thread Eric Blossom
On Tue, Jan 27, 2009 at 05:36:21PM +, Alvaro Palomo wrote: Hello, I would like to know if it is possible to use different data types or different vector sizes for the different input ( or output) ports of a GNU Radio block. Yes. Take a look at gr_io_signature.h Eric

Re: [Discuss-gnuradio] Exploring the world of GNU

2009-01-27 Thread Eric Blossom
On Wed, Jan 28, 2009 at 03:18:48PM +1300, Bari Bari wrote: Hi I have just started work on gnu project. Initially i got basic concept of Python and now studying gnuradio through its website.can any body help me to give guidance about getting basic knowledge so that I will be able to do some

Re: [Discuss-gnuradio] help: cannot send after transport endpoint shutdown

2009-01-27 Thread Eric Blossom
On Wed, Jan 28, 2009 at 01:41:06PM +0800, Joreen Tan wrote: Hi, I have got this error message when i'm trying to use this two commands to free up the usb resource, modprobe -vr ehci_hcd modprobe -v ehci_hcd the error message is: usb_control_msg failed: error sending control

Re: [Discuss-gnuradio] problem with USRP

2009-01-26 Thread Eric Blossom
On Sun, Jan 25, 2009 at 05:14:55PM -0800, Tushar Patel wrote: -- Forwarded message -- From: Tushar Patel pateltusha...@gmail.com Date: Fri, 23 Jan 2009 21:28:32 -0800 Subject: problem with USRP To: Eric Blossom e...@comsec.com Hi Eric, I used the VM Ware player , on which

Re: [Discuss-gnuradio] Simple Broadcast FM Receiver

2009-01-26 Thread Eric Blossom
On Mon, Jan 26, 2009 at 05:04:04PM +1300, Muhammad Abrar wrote: when i run this program ithe following ewrror appears, how can i resolve this. Nameerror: microtune_eval_board is not defined at line 70: What hardware are you using? If it's a USRP, you'll be much better off running the examples

[Discuss-gnuradio] ftp directory reorg'ed

2009-01-26 Thread Eric Blossom
In an attempt to keep people from accidentally stumbling onto really old code, I've reorganized the ftp://ftp.gnu.org/gnu/gnuradio ftp directory. The top level directory now contains only tarballs from the 3.* release series. For software archaeologists, the ancient code can be found in the old

Re: [Discuss-gnuradio] Basic TX daughterboard

2009-01-26 Thread Eric Blossom
On Fri, Jan 23, 2009 at 07:26:02PM +0100, Ken Smith wrote: GnuRadio Community, Is there an example program I can use with the Basic Tx daughterboad to send a signal out in the range of ~140-150MHz or even a bit lower at the FM bands (88MHz-107MHz) ? Thanks, Ken Ken Smith Software

Re: [Discuss-gnuradio] reconfigure flow graph with scope app

2009-01-26 Thread Eric Blossom
On Sun, Jan 25, 2009 at 11:34:34PM -0800, Larry Wagner wrote: Hi - I have a USRP with 2 RFX2400 daughter cards and need to calibrate the local oscillator (LO) offset between them. To do this I want to modify the multi_scope.py example to allow me to reconfigure the flow graph without

Re: [Discuss-gnuradio] Simple Broadcast FM Receiver

2009-01-26 Thread Eric Blossom
On Tue, Jan 27, 2009 at 10:32:38AM +1300, Muhammad Abrar wrote: when i run this program i got this message. stud...@it028743:~/Documents/usrp$ python usrp_wfm_rcv_pll.py gr_fir_ccf: using SSE gr_fir_fff: using SSE gr_fir_fcc: using SSE FYI: This implementation of the

Re: [Discuss-gnuradio] unable to locate an audio module

2009-01-23 Thread Eric Blossom
On Fri, Jan 23, 2009 at 07:39:51AM +0200, Russel Sher wrote: Hi I get the message : unable to locate an audio module when trying the dial_tone.py example I have installed ALSA drivers - is there something else to check for? You'll need to ensure that gr-audio-alsa got configured, built and

Re: [Discuss-gnuradio] Flarging big FFTs

2009-01-23 Thread Eric Blossom
On Fri, Jan 23, 2009 at 01:01:24PM -0500, Marcus D. Leech wrote: I can't use FFTs larger than about 18 bins without getting shared memory allocation errors in Gnu Radio. Is there an easy fix for this? For SETI work, being able to (for example) compute an 8 million point FFT for an

Re: [Discuss-gnuradio] Broken pipe when I write the payload to a pipe.

2009-01-23 Thread Eric Blossom
On Fri, Jan 23, 2009 at 11:44:20AM -0800, Brook Lin wrote: Hi All, I am trying to write the payload to a pipe rather than to a file in benchmark_ofdm_rx.py. The script is attached below. However, I got the error 'Broeken pipe' when I run the script. Can anyone tell me why is that and how

Re: [Discuss-gnuradio] A good computer to use with USRP2...

2009-01-23 Thread Eric Blossom
On Fri, Jan 23, 2009 at 09:27:29PM -0200, Ronaldo Nunez wrote: Hello Community, We will buy a new computer to program our USRP2... I would like to know what are the minimum requisites for USRP2? I read in FAQ that a Gigabit Ethernet adapter is essencial... How about the processor? The

Re: [Discuss-gnuradio] Distcheck error on latest trunk

2009-01-22 Thread Eric Blossom
On Thu, Jan 22, 2009 at 12:45:24PM -0500, Michael Dickens wrote: On Jan 22, 2009, at 12:29 PM, Johnathan Corgan wrote: Looks like we're going to need to change the SWIG detection mechanism in the build to conditionally define SWIGPYTHONARGS based on the detected version. Do you want to take

Re: [Discuss-gnuradio] usrp_wfm_rcv.py

2009-01-22 Thread Eric Blossom
On Fri, Jan 23, 2009 at 12:25:25PM +1300, Muhammad Abrar wrote: Hi When I run usrp_wfm_rcv.py from /usr/local/share/gnuradio/examples/usrp I got following message. Using RX d'board A: Flex 1800 Rx MIMO B gr_fir_ccf: using SSE gr_fir_fff: using SSE FYI: No Powermate or Contour Knob

Re: [Discuss-gnuradio] Benchmark_rx problems

2009-01-21 Thread Eric Blossom
On Wed, Jan 21, 2009 at 05:10:07PM +0200, Pedro Sánchez Canal wrote: Hi, I'm trying to establish my first connection between two computers using two USRPs. As I have read, there are some example programs that allow you to do it in an easy way in order to understand the basics of gnuradio

Re: [Discuss-gnuradio] rrc_filter output from dbpsk.py file

2009-01-21 Thread Eric Blossom
On Fri, Jan 16, 2009 at 07:18:10PM -0600, Maduike, Dumezie wrote: Hello all, I was analyzing the dbpsk.py file and I was wondering if someone can explain the line: self.connect(self, self.pre_scaler, self.agc, self.rrc_filter, self.receiver, self.diffdec, self.slicer,

Re: [Discuss-gnuradio] Tetra receiver

2009-01-21 Thread Eric Blossom
On Mon, Jan 19, 2009 at 10:56:13AM +0100, Grzegorz Suder wrote: Hello, I've looked through Wiki and discussion archives but I haven't found answer for my question. Is there any working code for Gnu Radio that is able to receive Tetra subscriber (not base station) signal and convert it into

Re: [Discuss-gnuradio] Tx path diagram

2009-01-21 Thread Eric Blossom
On Mon, Jan 19, 2009 at 09:02:18AM -0200, Ronaldo Nunez wrote: Hello GnuRadio community, I made a transmission path diagram to try to understand how USRP works. I'm not sure if it's right, if somebody can correct it, it will be great! :D To debug the diagram I used these parameters, but I

Re: [Discuss-gnuradio] Failed to set initial freq

2009-01-21 Thread Eric Blossom
On Wed, Jan 21, 2009 at 01:55:32PM -0500, w w wrote: Greetings, I got the TVRX because I need a board to RX AM from 100 to 600 MHZ. I know it is for TV but I thought it could do AM as well. However I can't seem to set the intial freq for the board. Using the same python script I can set

Re: [Discuss-gnuradio] USRP FPGA 8-bit Data Ordering

2009-01-21 Thread Eric Blossom
On Wed, Jan 21, 2009 at 05:47:19PM -0500, Paul Creekmore wrote: Paul Creekmore wrote: Context: I'm adding new quantization (sample width) options to the USRP FPGA configuration. (Long time in coming; yes, I know.) Question: I'm seeing that in 8-bit mode, the USRP outputs samples from

Re: [Discuss-gnuradio] USRP FPGA 8-bit Data Ordering

2009-01-21 Thread Eric Blossom
On Wed, Jan 21, 2009 at 09:50:41PM -0500, Paul Creekmore wrote: Eric Blossom wrote: On Wed, Jan 21, 2009 at 05:47:19PM -0500, Paul Creekmore wrote: Thanks for answering your own question :-) The USRP1 is little endian. My not-fully-considered thought is that it ought to go like

Re: [Discuss-gnuradio] Distcheck error on latest trunk

2009-01-21 Thread Eric Blossom
On Wed, Jan 21, 2009 at 09:41:38PM -0500, Michael Dickens wrote: +++ Making all in gr-usrp Making all in src /opt/local/bin/swig -c++ -fvirtual -python -modern -keyword -w511 - DOMNITHREAD_POSIX=1 [snip] -I/GNURadio/trunk/build/gnuradio-3.2svn/_build/usrp/host/lib/legacy -

Re: [Discuss-gnuradio] Audio_alsa_sink question

2009-01-15 Thread Eric Blossom
On Thu, Jan 15, 2009 at 01:52:08PM +0200, Sebastiaan Heunis wrote: Hi I have a problem with the audio sink. I'm playing around with the analysis_filterbank block. I have a GUI allowing the user to pick a channel. That channel then gets connected to an FM demodulator,volume control and

Re: [Discuss-gnuradio] gr.vector_sink_c() script

2009-01-15 Thread Eric Blossom
On Thu, Jan 15, 2009 at 11:22:56AM -0600, Maduike, Dumezie wrote: Hello everyone, Is anyone familiar with how fast the gr.vector_sink_c() script samples incoming data into its sink. I hooked up the sink directly to usrp.source_c() and I was wondering if it receives data at the same rate as

Re: [Discuss-gnuradio] Saving intermediate data

2009-01-15 Thread Eric Blossom
On Thu, Jan 15, 2009 at 05:48:53PM -0500, Catalin Lacatus wrote: Hello, I am developing a receiver and I am connecting a number of 6 different DSP blocks. What can I do to extract and save the output data from each DSP block? Thank you, C Take a look at the examples. Many of them have

Re: [Discuss-gnuradio] maximum recursion depth exceeded

2009-01-14 Thread Eric Blossom
On Wed, Jan 14, 2009 at 10:26:44AM +, feldmaus wrote: Hi All, i built gnuradio companion via svn. My current System is openSuse 11.1. For testing i build up a dial tone generator, and got this error: Exception RuntimeError: 'maximum recursion depth exceeded in __subclasscheck__' in

Re: [Discuss-gnuradio] USB2 problems with Fedora/USRP

2009-01-14 Thread Eric Blossom
On Wed, Jan 14, 2009 at 04:55:26PM +0100, Alberto Trentadue wrote: Hello I've finally assembled the USRP few days ago, after being delayed some months. The power-on behaviour looks as expected: one led blinks at 3 Hz or so. The next step is to try out some example, e.g.

Re: [Discuss-gnuradio] Capturing Data Samples in Windows through C Code

2009-01-14 Thread Eric Blossom
On Thu, Jan 15, 2009 at 12:38:54AM +0500, Ujala Qasim wrote: Hi, Is it possible to capture the data samples of USRP sent over the USB 2.0 port in Windows? I am trying to write a small demo program for Windows in C that will be capturing these data samples, and later I will perform some

Re: [Discuss-gnuradio] Does anyone have codes to decode GPRS and WiMax?

2009-01-14 Thread Eric Blossom
On Wed, Jan 14, 2009 at 04:11:12PM -0800, Jane Chen wrote: Hi all, Does anyone have codes to decode GPRS and WiMax? I know BBN has 802.11b code. I would like to know if  anyone has GPRS and WiMax codes. I have used Google to search for a while but cannot find codes to decode GPRS and WiMax.

Re: [Discuss-gnuradio] (no subject)

2009-01-13 Thread Eric Blossom
On Tue, Jan 13, 2009 at 02:41:07PM +0100, Markus Feldmann wrote: Hi All, i think there is an misconfiguration in the swig package ?! I did the following: /configure --enable-gr-wxgui --enable-grc --enable-usrp --enable-gr-usrp --enable-gr-audio-alsa --enable-gnuradio-examples

Re: [Discuss-gnuradio] Re: which stable release packages

2009-01-13 Thread Eric Blossom
On Tue, Jan 13, 2009 at 07:25:14PM +0100, Markus Feldmann wrote: Johnathan Corgan schrieb: On Tue, Jan 13, 2009 at 8:25 AM, Markus Feldmann feldmann_mar...@gmx.de wrote: i am thinking about to throw away the trunk source and use the stable release. I want to realize an AM/FM Radio with

Re: [Discuss-gnuradio] Analysis_filterbank

2009-01-13 Thread Eric Blossom
On Tue, Jan 13, 2009 at 08:45:43PM +0200, Sebastiaan Heunis wrote: Hi I think I have found what might be my problem with the analysis_filterbank. When using it as a polyphase channeliser, you need to start feeding samples in from the bottom channel, upwards. The gr.analysis_filterbank uses

Re: [Discuss-gnuradio] BasicTX PLL and some TX doubts

2009-01-13 Thread Eric Blossom
On Wed, Jan 14, 2009 at 12:31:30AM -0200, Ronaldo Nunez wrote: Thank you for your answer Mr. Blossom, Please read the USRP FAQ then ask again if you're still not clear. http://gnuradio.org/trac/wiki/UsrpFAQhttp://gnuradio.org/trac/wiki/UsrpFAQ

Re: [Discuss-gnuradio] Standalone usrp2 - using SD card

2009-01-13 Thread Eric Blossom
On Wed, Jan 14, 2009 at 03:36:45AM +0100, Hyuntack Lim wrote: Hi, all. I want to configure a stand-alone USRP2 transmitter (without using PC, with SD card). So, first, I used the tx_standalone.c file at usrp2/firmware/apps. Here are my questions: 1. Is using the tx_standalone.c to

Re: [Discuss-gnuradio] usrp-gnuradio-puredata

2009-01-12 Thread Eric Blossom
Welcome! On Sun, Jan 11, 2009 at 12:18:25PM +, [ Cosmin ] wrote: Dears,I would like to develop a patch in puredata [1] that offers the possibility of using the USRP via GnuRadio trough interactive programmed-object interface.For this, the GnuRadio GUI is not needed (I presume), but I

Re: [Discuss-gnuradio] gdb help

2009-01-08 Thread Eric Blossom
On Thu, Jan 08, 2009 at 10:17:31AM +0200, Sebastiaan Heunis wrote: Hi I'm trying to debug an application using gdb. I used the segment of code in the how to write your own blocks page to print out the process id and attach gdb to it. When I try to set breakpoints, I get a message saying

Re: [Discuss-gnuradio] Daughter Boards frequencies

2009-01-08 Thread Eric Blossom
On Thu, Jan 08, 2009 at 10:25:34AM -0200, Ronaldo Nunez wrote: Sorry my ignorance, I revised my question and i was not clearly... There is a condition on line 1008 in usrp_standard.cc code. That condition limits the LO frequency (see my schematic) to the maximum of 44 MHz, OK? No, not OK.

Re: [Discuss-gnuradio] Scheduler Help/Question

2009-01-08 Thread Eric Blossom
On Wed, Dec 31, 2008 at 12:32:45PM -0800, Earle Frank wrote: Starting back at the problem description... Okay I am using the default scheduler. So now I have enabled the logging for the appropriate thread-per-block scheduler files. Here's the heart of my problem. My flow graph has five

Re: [Discuss-gnuradio] Question on Boost - could not detect the boost libraries (version 1.35 or higher)

2009-01-08 Thread Eric Blossom
On Thu, Jan 08, 2009 at 11:40:48AM -0800, Brook Lin wrote: Hi All, I am trying to install gnuradio from trunk (svn co http://gnuradio.org/svn/gnuradio/trunk). Before that I download boost_1_36_0 from boost.sourceforge.net, and install boost_1_36_0 first. ~/boost_1_36_0$ make

Re: [Discuss-gnuradio] Scheduler Help/Question

2009-01-08 Thread Eric Blossom
On Thu, Jan 08, 2009 at 12:44:18PM -0800, Earle Frank wrote: Eric Blossom wrote: Let's say that block D never produces an output, but is consuming all of it's input. Can you see how this leads to a hang? I can see that will cause the flow graph to hang. And I followed your

Re: [Discuss-gnuradio] analysis_filterbank problem

2009-01-07 Thread Eric Blossom
On Wed, Jan 07, 2009 at 01:53:03PM +0200, Sebastiaan Heunis wrote: Hi I looked at usrp_flex_band.py to see how blks2.analysis_filterbank is implemented. The example runs on my PC. I wrote a simple app where I want to decimate by 16 in the FPGA (no HBF). So I have samples coming in at

Re: [Discuss-gnuradio] Tx path questions

2009-01-06 Thread Eric Blossom
On Tue, Jan 06, 2009 at 10:41:22AM -0300, Ronaldo Nunez wrote: Thank you for your answer Mr. Blossom, So, the tx path is something like this: PC -- USB -- CIC(FPGA) -- AD9862 -- Daughter Board -- Antenna There is two frequencies involved in all transmissions: * A signal frequency

Re: [Discuss-gnuradio] Scheduler Help/Question

2009-01-06 Thread Eric Blossom
On Tue, Jan 06, 2009 at 05:43:40AM -0800, Earle Frank wrote: Eric Blossom wrote: The bug is that D should always produce an enable output, 1:1 with the input. If you're not sure of the state at start up time, output a reasonable default value. I guess I would agree with your 1

Re: [Discuss-gnuradio] Re: tun/tap OS X for tunneling

2009-01-06 Thread Eric Blossom
On Tue, Jan 06, 2009 at 09:52:14AM -0800, Johnathan Corgan wrote: On Tue, Jan 6, 2009 at 8:59 AM, Ed Criscuolo edward.l.criscu...@nasa.gov wrote: There also seems to be a fundamental difference between the way the TUN/TAP driver works on the two OS's. Ah, then it's not so easy. It

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