On Thu, Mar 19, 2009 at 09:27:03AM -0700, Johnathan Corgan wrote:
2009/3/19 w w biscuitk...@gmail.com:
I've been trying to analyse the transmit_path.py script and stumped with the
bitrate value. I see bitrate being brought in from the options and also
derived from pick_bitrate but I
On Thu, Mar 19, 2009 at 09:28:36AM -0700, leferman wrote:
I am having a similar problem. I used ethtool to disable the pause
parameters for this interface; here is the output:
sudo ethtool -a eth1
Pause parameters for eth1:
Autonegotiate:off
RX: off
TX: off
On Thu, Mar 19, 2009 at 02:28:08PM -0400, w w wrote:
What's confusing for me is that I see the bitrate variable (it seems to have
a profound importantance) but it looks to me like it never gets assigned to
a block. The following is line 119 from transmit_path.py. In my mind the
function of
On Thu, Mar 19, 2009 at 03:49:14PM -0400, Dan wrote:
2009/3/16 Philip Balister phi...@balister.org
So maybe there is a way to code libusrp to use the libusb1 interface
without directly accessing the file descriptor.
The other approach is to try to extract the file descriptor from
On Thu, Mar 19, 2009 at 05:43:56PM -0400, Erich Stuntebeck wrote:
Hi,
I'm trying to calibrate the USRP so I can get true dBm readings out of
it. I'm using an LFRX card with 16 decimation and a center frequency
of 2 MHz so I can look at the range from DC - 4 MHz. I hooked up a
signal
On Thu, Mar 19, 2009 at 06:18:53PM -0400, Philip Balister wrote:
Eric Blossom wrote:
Philip mentioned in a previous post that Angstrom can be built with
libusb-1.12 as a workaround so we can look into some sort of kernel hacking
as well. But if there were a better approach than this it would
On Thu, Mar 19, 2009 at 08:21:43PM -0700, yyzhuang wrote:
Is it possible a GNU Radio distribution problem? In the new lab we installed
the whole GNU Radio again. Thanks.
Yanyan
Can you more-or-less-reliably reproduce the problem?
If so, how often does it occur? Every time? Once every 10
On Thu, Mar 19, 2009 at 08:50:13PM -0700, yyzhuang wrote:
I'm sorry.
If we do ./tunnel and ping between two boxes over the air, both tx and rx
breaks after a few ICMP packets exchange. They don't break at the same time
though, but it does happen every time. If we do over channel emulator
On Wed, Mar 18, 2009 at 10:12:06AM -0700, isaacgerg wrote:
Hi everyone,
I was wondering if anyone has written a small C++ application which is the
bare bones required to interface with the URSP.
Thanks in advanced,
Isaac
Isaac,
Take a look at the version of
On Tue, Mar 17, 2009 at 06:42:49PM -0700, Somya Ajmera wrote:
Hi, my gcell component of gnuradio-3.2 is not gettin configured and because
of that all gr dependent commponents are also not gettin configured. It is
giving the following error:
checking whether host_cpu is powerpc*... no
On Wed, Mar 18, 2009 at 11:39:00AM +0800, Pete Kay wrote:
Hi,
I am trying to run siggen-oscope test using the A board for the
siggen and the B board for the oscope.
I use the command usrp_oscope.py --rx-subdev=A to specify the board
side, but this does not work. Could someone please help
On Wed, Mar 18, 2009 at 10:04:27AM -0400, Marco Bottino wrote:
Hello,
I was doing some test with a 6Volts battery with the USRP in order to be
able to use my USRP outdoors.
(Sonnenschein A506/4.2 s http://www.sonnenschein.org/A500.htm)
Everything was fine when I unintentionally inverted the
On Wed, Mar 18, 2009 at 05:13:29PM +0100, Dimitris Symeonidis wrote:
I have written a block that reads its parameters from an xml file.
For this I need libxml2-dev to be installed.
How can I add this condition to my ./configure checks?
Is it enough to add an .m4 file under config/ ?
If yes,
On Wed, Mar 18, 2009 at 09:44:05AM -0700, E. Ornelas wrote:
Hello!
I'm trying to write a program that read data from the usrp, then preforms a
fft and plots
the values of the maximum frequency and correspondent amplitude in real
time.
I've come across this problem:
- At first I was
On Wed, Mar 18, 2009 at 02:55:41PM -0400, w w wrote:
I'm putting together a DBPSK Tx and Rx and running into problems when the
modulated signal hits the USRP. When I receive the signal on the USRP
there's a very pronouced carrierI've confirmed with a spectrum analyser
that the signal on
Hi Folks,
I know a few of you were having problems with certain gigabit ethernet
cards. I've fixed a couple of what I think are relatively minor bugs
in how we were setting up the usrp2's ethernet PHY chip to advertise
our capabilities.
We now correctly advertise:
That we ONLY do 1000BASE-T
On Wed, Mar 18, 2009 at 06:12:22PM -0400, emat...@nd.edu wrote:
I discovered that F501 is measuring as an open; I take it that this is a
fuse, and probably it has blown. Can anybody supply me with the part
specification so I can replace it? The BOM data sheet doesn't seem to
specify
On Tue, Mar 17, 2009 at 03:47:54PM +1300, Kieran Brownlees wrote:
Hello all,
Is the code designed so you can .lock() a individual hier_block2 and
reconfigure it without having to lock the overall top_block? IF you do have
to lock the top block, why?
You can lock/unlock on anything derived
On Tue, Mar 17, 2009 at 09:06:36AM +0100, Natalia Olano wrote:
Hello everyone,
I am doing some modifications on the tunnel.py example. At some point
of the execution, I would like to stop the receive path and not to
perform the rx_callback for a very short period, less than one second
On Tue, Mar 17, 2009 at 12:32:57PM +0100, Costantini, Andrea wrote:
Dear all,
the last discussion on sending and receiving the sinusoidal signal
raised to me a lot of questions.
I am also having some problems with this basic example.
I have searched over the whole archive without founding
On Tue, Mar 17, 2009 at 01:08:54PM -0300, Ronaldo Nunez wrote:
Thanks Eric,
I will try your suggestion, if I get it I will share the information
with the community.
Regards,
Ronaldo
Thanks!
Eric
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On Mon, Mar 16, 2009 at 10:05:28AM -0300, Ronaldo Nunez wrote:
Hello,
I read in faq that the bigger frequency of the first Nyquist zone of
USRP2 is about 170 MHz, using a BasicTX daughter board.
My USRP2 couldn't get more than 50 MHz with this daughter board.
I'm using 9939 firmware
On Sun, Mar 15, 2009 at 02:13:28PM -0700, Johnathan Corgan wrote:
On Sun, Mar 15, 2009 at 1:50 PM, Michael Dickens m...@alum.mit.edu wrote:
That said, there is a libusb-compat-0.1 compatibility layer for libusb 1.0
... anyone tested this out for various-OS usability? Reading through the
On Mon, Mar 16, 2009 at 09:09:57AM -0700, Johnathan Corgan wrote:
On Mon, Mar 16, 2009 at 7:43 AM, Mattias Kjellsson m...@kth.se wrote:
If I install a signal handler which catches ctrl+c and sets a flag, and then
use (still the same configuration) uses something like:
top_block-start();
On Sun, Mar 15, 2009 at 03:25:28AM -0700, Hew How Chee wrote:
Hi Bob,
cat /proc/cpuinfo give 4 processors.
Did more test on running the same piece of code, which is basically
a modified fm receiver. Usually I see nearly 100% loading on 1 of
the 4 processors . But sometimes the load is
On Fri, Mar 13, 2009 at 07:39:07AM +0100, Jay Kumar wrote:
Hello ,
I have completely installed Gnuradio-3.1.3 on RHEL4.Even I have
uploaded the firmware on the usrp.But when i was trying to run
usrp_fft.py i got the attribute key error.After searhing through all
forum i gor to know that
On Fri, Mar 13, 2009 at 11:25:17AM -0500, Douglas Geiger wrote:
The details on all of this still need to be flushed out, but this is
the basic idea.
To all:
* Do you think that this would allow you to easily build MACs or other
packet based things in GNU Radio? Assume the
On Fri, Mar 13, 2009 at 11:41:22AM -0700, Dustin Torres wrote:
Eric,
Yes I believe this would tremendously facilitate MAC development
within GNU Radio. I have recently begun working on integrating a
configurable MAC layer to be used with GNU Radio and a USRP board.
Thanks.
I am using this
On Wed, Mar 11, 2009 at 11:44:59PM -0700, yyzhuang wrote:
Hi,
Has anybody got this error when running tunnel.py in gnuradio-example (with
virtual IP addresses set up on two PCs and ping each other on this tunnel)?
./gr_buffer.h:125: unsigned int gr_buffer::index_add(unsigned int,
On Thu, Mar 12, 2009 at 09:40:29AM -0700, sHabzbd wrote:
Hi Everyone:
I am guessing that my last post was not clear since I didnt get any replies.
So here I go again.
1. I am using two Flex900 daughter cards on a single USRP.
2. I am getting to select two subdevices (0,0) and (1,0) ie.
On Thu, Mar 12, 2009 at 09:03:23PM +0500, Ujala Qasim wrote:
Hi!
I am trying to write a program in C that interfaces between USRP and
Windows, this is my initial code:
...
However, the claiming of interface always fails on bulk_udh. Please guide me
in this regard as to what I am doing
On Wed, Mar 11, 2009 at 02:10:19PM -0500, Jason Uher wrote:
I'm in the process of writing a basic block inherited from
gr_sync_interpolator which uses the past values to do stuff.
When the block first starts, the history is populated with zeros, is
there some way to get a pointer to the
On Wed, Mar 11, 2009 at 06:45:02AM -0700, David Adrian wrote:
Thank you for the replies Eric!
1.You
said about using file_sink , but in my case I do not think that will
work because I need to make real time precessing of the signal. If I
use files it will take to long.
2. My theses is
On Tue, Mar 10, 2009 at 05:59:15AM +0100, Jay Kumar wrote:
Hello Eric,
I have already tried installing gnuradio-3.1.3 but there were certain
bugs in that.
I definitely wouldn't go back to anything before 3.1.3.
Are you sure you don't have some partial GNU Radio installations
laying around?
On Tue, Mar 10, 2009 at 03:33:32AM -0700, Adi85 wrote:
Still getting an error!
thank you in advance
class topBlock(gr.top_block):
def __init__(self):
gr.top_block.__init__(self)
fftsize = 256
udecim = 256
mywin = window.blackmanharris(fftsize)
On Tue, Mar 10, 2009 at 05:33:36AM +0100, Karim El Defrawy wrote:
Hi,
I am using a FLEX2400 transceiver daughterboard and was wondering what's
the minimum step size that I can use to set the center frequency.
I tried steps down to 500KHz and I could tell the difference between the
On Tue, Mar 10, 2009 at 09:31:57AM -0400, w w wrote:
Greetings,
I'm wondering if you all could tell me if it is possible to set up and
modulate a signal without the usrp? If so how do you insert the carrier?
For a BPSK siganl do you just multiply carrier by the modulated signal? I
also
On Tue, Mar 10, 2009 at 06:45:56AM -0700, Ling Huang wrote:
Or the usrp just is not able to work fine with two rfx daughterboard？
The USRP works fine with two RFX daughterboards.
Eric
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On Tue, Mar 10, 2009 at 10:48:10AM -0700, David Adrian wrote:
Thanks for the reply Eric, here is what I have now:
#!/usr/bin/env python
from gnuradio import gr, gru, window
from gnuradio import usrp
from gnuradio.wxgui import stdgui, fftsink, scopesink
import wx
class
On Sun, Mar 08, 2009 at 04:01:53PM -0700, didem colak wrote:
hi all,
does the problem still continue?
also i have an error msg at below.
di...@didem:~/Desktop/gnuradio/gnuradio-examples/python/usrp$
./didemdenemeraw.py -1 dodi.pls
Traceback (most recent call last):
File
On Mon, Mar 09, 2009 at 08:09:32AM +0100, Jaskirat Singh wrote:
I have installed gnuaradio-3.0.4 on fedora core7.The installation is
complete and whenever i run make check command inget the following
error:
First off, is there any reason you're trying to install ancient GR code?
If not, please
On Mon, Mar 09, 2009 at 12:22:50AM -0700, Ling Huang wrote:
I set:
usrp.source(nchan=2)
set.mux(0x32103210)
di=gr.deinterleave(gr.sizeof_gr_complex)
self.connect( self.u, di )
self.connect( (di,0), self.chan0_filt, self.packet_receiver0 )
self.connect( (di,1), self.chan1_filt,
On Mon, Mar 09, 2009 at 08:34:50AM -0700, Adi85 wrote:
Hello!
Here is what I would like to do: I want to use spectrum_sense.py in order to
detect the amplitude of the maximum power bin from a bandwidth of about 7
khz centered to 10.7Mhz and then display the result. I do not need to change
On Mon, Mar 09, 2009 at 08:48:29PM +0500, Ujala Qasim wrote:
Hi,
Can someone tell me that the function bool fusb_generic_read (void *buffer,
int nbytes) belongs to which class? As it is not a part of the fusb_generic
or fusb
There is no free function called fusb_generic_read.
A quick look at
On Mon, Mar 09, 2009 at 12:21:55PM -0400, Ahmed Majeed Khan wrote:
Hi,
I see a series of 'B' while running tunnel.py on one machine and
this series coupled with with 'uO' sequences on the other. While
'uO' is for under-run stuff, what do the series of 'B' means??
-Ahmed
Ahmed,
On Mon, Mar 09, 2009 at 11:29:54PM +0100, William Sherman wrote:
Hi,
I am planning to modify benchmark_xx to send and receive custom packets
(similar to 802.11 packets).
I have been rooting around these two files. I would like to know: in
benchmark_rx how does the radio know when it has
On Mon, Mar 09, 2009 at 12:11:33PM -0600, Don Latham wrote:
Hello. Another mewling newbie out here.
Hoping to implement USRP at 2300 GHz for EME, hook to WSGJ65 somehow.
Anyone know where the .PDF file(s) are for the 2400 T/R daughterboard is
(are)? I've looked at the USRP trunk, and I can
On Mon, Mar 09, 2009 at 08:53:26PM -0400, Marcus D. Leech wrote:
I discovered, rather by accident, that the FFTW planner seems to get its
knickers royally in a twist for certain FFT sizes. The code
d_plan = fftwf_plan_dft_1d (fft_size,
On Thu, Mar 05, 2009 at 10:35:37PM -0800, Francesco B. wrote:
Below is a short GNU Radio pipeline. Its purpose is to write an impulse
response to a character device node representing an FPGA (which contains a
4-coefficient lowpass filter), read the FPGA's output, and store said output
in a
On Fri, Mar 06, 2009 at 11:59:13AM +, feldmaus wrote:
Josh Blum josh at joshknows.com writes:
Simple source exists because actual usrp api is sooo crazy. The goal of
the simple source and simple sink is to provide the most useful options
to the usrp user.
Thank you for your Reply.
On Fri, Mar 06, 2009 at 03:09:54PM +0100, Mattias Kjellsson wrote:
Hi list,
I was browsing the c++ code in gr-usrp today, and found a strange thing
in flexrf_base.cc, line 337 to 349 in svn10524 (included below).
==
flexrf_base_tx::gain_min()
{
return usrp()-pga_max();
On Fri, Mar 06, 2009 at 11:03:28AM -0800, Yong J. Chang wrote:
Hi all,
Now I'm building some signaling blocks having dual output streams.
But if I try to make dual output streams which have different data type from
input stream, 'Segmentation fault' error is occurred. How can I make dual
On Fri, Mar 06, 2009 at 05:22:44PM -0800, Yong J. Chang wrote:
Thank you Eric,
But I still have a problem. I simply made two blocks.
1) First One
gr_data_parser::gr_data_parser ()
: gr_block (gr_data_parser,
gr_make_io_signature (1, 1, sizeof (gr_complex)),
On Thu, Mar 05, 2009 at 05:14:57AM -0800, George Roberts wrote:
I'm trying to run OpenBTS using a USRP1 with an RFX900 transceiver board (to
use as the transmitter) and a DBSRX board to use as a receiver.
Now that I look at the OpenBTS code in depth (Transceiver/USRPDevice.cpp,
specifically
On Thu, Mar 05, 2009 at 05:37:00PM +0100, Dimitris Symeonidis wrote:
Hi List,
I was reading through the dbpsk.py block in blks2impl, and found
something that doesn't seem to make much sense (to me).
Lines 272-273 read:
rot = 1
rotated_const = map(lambda pt: pt * rot,
ldconfig
sometime after installing libgruel?
On Thu, Mar 5, 2009 at 1:09 PM, Eric Blossom e...@comsec.com wrote:
On Thu, Mar 05, 2009 at 12:47:24PM -0500, Mike Leferman wrote:
I'm using Ubuntu 8.10, and /usr/local/lib is in my ld.so.conf. Does
ldconfig just update ld.so.conf? My program
On Tue, Mar 03, 2009 at 11:58:51AM -0800, Jane Chen wrote:
Hi all,
Because of the tight budget, I only have one GSM phone, one RFX900 daughter
card, and one USRP.
Is it possible to play with the OpenBTS with one RFX900 daughter card instead
of two?
Thank you,
Jane
Jane,
It might
On Tue, Mar 03, 2009 at 01:19:15PM -0500, Mike Leferman wrote:
I'm working on a C++ program which directly creates an instance of a USRP2
object. When the program is being run, the following error is thrown:
/usr/local/lib/libusrp2.so.0: undefined
symbol: _ZN5gruel7sys_pri13usrp2_backendEv
On Tue, Mar 03, 2009 at 06:53:45PM -0600, Brett L. Trotter wrote:
Subversion and www seem to be misbehaving. Is it just me/my connection?
Is there an ETA on revival?
I just unwedged it. It should be OK now.
Eric
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On Mon, Mar 02, 2009 at 02:43:11PM +1030, Berndt Josef Wulf wrote:
G'day,
can someone point me to the schematics of the old USRP in PDF or PS format? I
had a browse in usrp-hw couldn't identify anything useful in there.
Thanks,
cheerio Berndt
Try here:
On Sun, Mar 01, 2009 at 09:38:31PM +0200, Arto Oksanen wrote:
When trying to use audio sink in GRC I get following error:
audio: using audio_alsa
audio_alsa_sink[hw:0,0]: set_period_time_near failed: Invalid argument
Traceback (most recent call last):
File /home/gr/top_block.py, line 45,
FYI,
http://sigint.ccc.de/sigint/2009/wiki/Call_for_Proposals/English
Eric
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FYI,
These outdoor European hacker get-togethers are a fabulous time!
I highly recommend them! August 13-16, near Vierhouten, NL.
https://har2009.org
https://wiki.har2009.org/page/Main_Page
Eric
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On Mon, Mar 02, 2009 at 12:56:12AM +0100, Martin Dvh wrote:
Eric Blossom wrote:
FYI,
These outdoor European hacker get-togethers are a fabulous time!
I highly recommend them! August 13-16, near Vierhouten, NL.
https://har2009.org
https://wiki.har2009.org/page/Main_Page
On Mon, Mar 02, 2009 at 02:59:40AM +0100, William Sherman wrote:
I am working with a USRP1. I eventually will want to transmit and
receive data packets between USRP1s, but right now I am getting to grips
with the system.
I am currently trying out the benchmark_tx, benchmark_rx programs.
I
On Sat, Feb 28, 2009 at 06:49:21PM -0500, Jakub Moskal wrote:
Hello,
I am debating whether to buy USRP or USRP2.. Is there any progress on
the USRP2 drivers for the Mac OS X? It seems that the USRP2 FAQ hasn't
been updated for a while - as far as this issue is concerned.
Nothing has been
On Fri, Feb 27, 2009 at 10:13:39PM -0800, Paul Mathews wrote:
I have a nice gnuradio app running using USRP, with 3 FFTsinks going at
once, with the 1st FFTsink taking data from the USRP and the 2nd and 3rd
FFTsinks each showing the results of further processing:
1) USRP downconverting to 1
On Thu, Feb 26, 2009 at 04:05:52PM -0800, Tony wrote:
The USRP C++ example program uses this code to move USRP USB data into a
buffer:
urx-read(buf, bufsize, overrun);
If this line is called many times in a short period of time will the
buffer have some of the data leftover from
On Fri, Feb 27, 2009 at 05:05:11PM -0800, Leslie Choong wrote:
Hi Everyone, Just wanted to let everyone know that I've merged my RX
changes and Sanna Leidelof's TX path changes and updated the CGRAN
repository. You can check it out here:
https://www.cgran.org/browser/projects/ucla_zigbee_phy
On Thu, Feb 26, 2009 at 03:14:38PM -0500, Bruce McGuffin wrote:
OK, we were able to find compile-mbh.scm on the trunk, copy it, and ran
make.
Make didn't complain about compile-mbh.scm, but we got a lot of complaints
about missing gnu-radio macros. So we gave up on the tarball, and used SVN
On Thu, Feb 26, 2009 at 07:01:50PM -0300, Roberto de Matos wrote:
Hi,
I'm a newbie and I'm trying to test my new hardware (USRP2).
Can I listen a FM station with DBSRX or RFX900 or RFX2400??
My hardware:
- USRP2:
SW - txrx-edk10.1-r10524.binFPGA -
On Wed, Feb 25, 2009 at 06:17:35AM -0800, islam saber wrote:
i buy fpga kit ( EZ1CUSB-12) and i want to know if i can make by
this kit with daughterboard the usrp or not .if not please tell me
alternative design for usrp thanks
Using the amazing power of goggle, I found the data sheet within
On Mon, Feb 23, 2009 at 04:59:43PM +0100, Patrick Strasser wrote:
Hello!
I wrote some lines for people asking for help in the wiki [1]. For the
old stagers, please look through it, it can certainly need some
polishing. Especially the common-mistakes section could need some more
On Tue, Feb 24, 2009 at 01:07:34PM -0500, Marcus D. Leech wrote:
Eric Blossom wrote:
Marcus, in my experience, USB performance has not be limited by cpu
cycles. It seems to be primarily a function of the design of the host
controller, the firmware in the device, and a reasonable way to get
On Tue, Feb 24, 2009 at 05:57:35PM -0500, Marcus D. Leech wrote:
What's the best way to setup a timer routine that has access to the bits
of the flowgraph?
I'm using an external process (UI) to set dynamic values for certain
USRP attributes, and one of the mechanisms
I'm thinking of using
On Mon, Feb 23, 2009 at 07:38:14AM +0100, Stefan Bruens wrote:
Hi,
attached is a new version for fusb_linux.cc.
The current implementation uses three std::list lists for free, pending and
completed urbs, so submitting a single urb causes three allocs and three
frees
(pushing and
On Sat, Feb 21, 2009 at 09:00:34PM -0800, Jane Chen wrote:
Hi all,
I ran the bbn_80211b_tap.py. I used both tcpdump and wireshark to
try to capture the packets. However, it doesn't work.
My steps:
1. ./bbn_80211b_tap.py.
2.ifconfig gr0 192.168.111.2
3. tcpdump -i gr0 -e -X
I
On Sun, Feb 22, 2009 at 06:16:28AM -0800, RH200 wrote:
We have got a new USRP2 and TVRX and DBSRX recievers. Though the system seems
to work when the TVRX daughter board is installed using the USRP2 fft
script, it does not seem to work with the DBSRX board installed.
That is there seems
On Fri, Feb 20, 2009 at 06:52:43AM +0100, Changkyu Seol wrote:
Changkyu Seol wrote:
Matt Ettus wrote:
Thank you for the files.
I tested as you suggested with firmware and fpga files you sent me and
it is locked!! I used it other USRP2s and all worked fine.
I modified and compiled
On Fri, Feb 20, 2009 at 02:03:08PM -0600, Douglas Geiger wrote:
It looks like usrp2_impl.cc never passes on the argument when you call
config_mimo - I've attached a quick patch that I believe does the job
correctly.
When I run my host code now the clocks on my USRP2's remain
synchronized
On Fri, Feb 20, 2009 at 12:02:45PM -0800, Trevor Bosaw wrote:
Hey,
I'm trying to set up a transmitter that simply broadcasts voice (AM
quality is fine) over a range of a few miles. It would be implemented
in developing world situations, such as rural India or Africa, and
therefore
On Thu, Feb 19, 2009 at 10:15:29AM -0500, jim graham wrote:
I am trying to use the USRP 2 radio. I have been using the
rx_streaming_sample script to collect data.
If I use the rfx1800 daughtercard the results from the set_center_freq
command seem correct but the output
looks as if the
On Thu, Feb 19, 2009 at 01:21:37PM -0500, jim graham wrote:
Eric
We are using Fedora Linux version 7 on an x86 machine.
OK.
[Please be sure to hit Reply-All to reply to the writer and the list.]
The GNU radio software is Revision 10211 (jcorgan)
Last change date 1/12/2009
We have the
On Thu, Feb 19, 2009 at 10:40:42AM -0800, Miklos Christine wrote:
Hello,
I'm working on a project that involves the USRP2. I've downloaded the
lastest version of Gnuradio and the BBN 802.11 code. I've come to realize
that the newest release of Gnuradio is not compatible with the BBN code.
On Thu, Feb 19, 2009 at 02:52:41PM -0500, jim graham wrote:
Eric,
rx_daughterboard_id() returns id 0x0034 for the RFX 1800 daughtercard?
That's a MIMO B board, so you should be fine.
For the comment on the RFX boards; does this mean we are unable to use the
dbs daughtercard on the USRP 2
On Wed, Feb 18, 2009 at 02:20:38AM +0100, Changkyu Seol wrote:
Hi!
I am planning to implement multiple synchronized transmitters using
USRP2 and GPS receiver. Before that I checked whether the USRP2 is
locked to external clock through following experiment.
1) Connect the 10MHz and 1PPS
On Wed, Feb 18, 2009 at 03:39:52PM +0100, Emil Molin wrote:
Hi and thanks for the help, yes ive run it (and ive renamed the block to
'test' instead of 'howto_2' but i still get something wrong obviously
because when running the test script i get this error:
File ./qa_test.py, line 6, in
On Wed, Feb 18, 2009 at 07:02:47PM -0300, Roberto de Matos wrote:
Hi,
Someone knows if the USRP2 works with PCMCIA Gigabit Ethernet
adapter, like this:
http://www.trendnet.com/products/proddetail.asp?prod=235_TEG-PCBUSRcat=42
My notebook has only 10/100 ethernet, and the
On Wed, Feb 18, 2009 at 05:13:26PM -0800, Smith L. wrote:
Hi,
When I run ./find_usrps to detect usrp2 it gives following error:
error while loading shared libraries:
libboost_thread-gcc43-mt-1_38.so.1.38.0: cannot open shared object file: No
such file or directory
I already installed this
On Mon, Feb 16, 2009 at 08:30:26PM -0800, Firas Abbas wrote:
Hi,
On Tue, 2/17/09, George Nychis gnyc...@cmu.edu wrote:
Hello, Tianning/Bill/Daniel!
The performance of 8PSK matches pretty similarly to 16-QAM.
So, 8PSK is usually never used in a real system as you get
better
On Tue, Feb 17, 2009 at 10:20:31AM -0500, Marcus D. Leech wrote:
Is there a way to turn off buffering on gr_file? (Short of adding an
fflush in the C++ code that implements the work function?).
I have an app that writes a single floating-point number to a FIFO at a
rate of 2Hz, and it
On Tue, Feb 17, 2009 at 12:16:49PM -0500, Bishal Thapa wrote:
Hi,
I am a newbie to Matlab and less experienced (not a newbie anymore :)) in
GNUradio. I have a quick question. How can I load rx_unpack.dat in the
Matlab. The simple load function didn't work. Most probably it is because,
it
On Tue, Feb 17, 2009 at 12:46:59PM -0500, Ahmed Majeed Khan wrote:
Hi,
I am working over a research project employing GNU-Radio over USRP. Presently
I am developing tool-chain for the Radio. While I completed all the steps
mentioned on:
http://gnuradio.org/trac/wiki/FedoraInstall
On Sun, Feb 15, 2009 at 08:51:07AM -0500, Pete Kay wrote:
Hi,
I am running siggen and oscope test with USRP1.
I am expecting a smooth sine waveform with this:
c[r...@fodora usrp]# usrp_siggen.py --sine -f 1e6 -i256
Using TX d'board A: none
But I am getting some error in oscope.py
On Thu, Feb 12, 2009 at 02:17:05PM -0800, Johnathan Corgan wrote:
On Thu, Feb 12, 2009 at 1:20 PM, Bruhtesfa Ebrahim li...@ruby-forum.com
wrote:
What makes it strange is the dependence on gain.when the linear gain in
the spectrum panel(usrp_fft.py)is set to 0,the signal at the center(the
On Fri, Feb 13, 2009 at 10:50:54AM +0100, Yongsang Kim wrote:
We want to make several standalone transmitters which transmit OFDM
signals synchronized with 1pps signal and external 10MHz closk using
USRP2.
We want to implement the transmitters using FPGA, while daughter board
parameters
On Sun, Feb 15, 2009 at 02:24:32PM -0800, Matt Ettus wrote:
Josh Blum wrote:
The current USRP API does not support receiving complex signal (I on
RXA and Q on RXB) from LFRX and BasicRX boards. At least not in an easy
way...
In the future, the USRP API will support complex samples, and
On Thu, Feb 12, 2009 at 11:07:43AM +0100, Dominik Auras wrote:
Hi!
Yes, there are lots of ways to do this. In this particular case,
you're going to want to keep track of the worst case and average run
times.
Hm run times may not be the appropriate performance measure in my case.
The
On Thu, Feb 12, 2009 at 10:18:55AM +, feldmaus wrote:
Markus Feldmann feldmann_markus at gmx.de writes:
the usrp_diagnostic is missing.
As i read, the usrp_diagnostic Tool is now called
usp_probe.
Regards Markus
I have no idea what you're talking about :-)
Have you tried
On Wed, Feb 11, 2009 at 03:45:54PM +0100, Emil Molin wrote:
So i want to learn how to write a block but it fails to install apparently.
after doing ./bootstrap and then ./configure
make gives the following message:
libtool: Version mismatch error. This is libtool 2.2.6, but the
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