On Fri, May 08, 2009 at 03:05:40AM +0800, 曾繁勛 wrote:
Hi,
I want to use one USRP to do two different works on the two sides, which are
A side tunneling with another USRP and B side sensing the channel condition.
In my comprehension, there are Tx and Rx including in tunneling and Rx in
On Fri, May 08, 2009 at 11:13:22AM +0200, Martin Braun wrote:
Hi,
it's just a nitpick, really, but I'd like to vote for chucking out the
close() calls in gr.file_descriptor_{sink,source} (in the destructors).
I've been working with these blocks for talking across pipes, and I
constantly
On Fri, May 08, 2009 at 02:04:59PM -0600, wallen wrote:
I've been trying to get Gnuradio running with my USRP2, and am still
having some troubles. My computer is an older Dell Inspiron 5100 laptop
running Debian (Lenny). I've installed a D-Link DGE-660TD Gigabit
Cardbus adapter, and have
On Sat, May 09, 2009 at 12:53:04AM -0400, Andrew Lutomirski wrote:
On Fri, May 8, 2009 at 9:28 PM, Eric Blossom e...@comsec.com wrote:
On Fri, May 08, 2009 at 03:43:34PM -0400, Andrew Lutomirski wrote:
Hi all-
I'm trying to re-tune a daughterboard, while acquiring samples, and I
seem
On Tue, May 05, 2009 at 11:41:07PM -0700, jimmyzhang wrote:
I face the same problem .Is there anyone can handle it?
please give some advices to deal with it.
Thank you very much.
Use gdb and figure out where the segfault is occurring, then find out
why it's segfaulting, then submit a patch
On Wed, May 06, 2009 at 06:35:36PM +0200, Dominik Auras wrote:
Hi Eric,
Thanks for the answer.
It's hard to say. If you've got a logic analyzer you can instrument
the inner loop of the firmware and see if that's the bottleneck or not.
Unfortunately, I don't have a access to a logic analyer
On Tue, Apr 28, 2009 at 10:07:54AM -0700, hjaffer wrote:
Hello all,
I'm trying to create a simple transmit file example with the USRP2. There
already is a provided example program that records data to a file, but there
isn't any program that transmits the same file.
Take a look at
On Tue, Apr 28, 2009 at 02:06:01PM +, Juha Vierinen wrote:
Why does the config_mimo(MC_WE_SYNC_TO_SMA) always return true, even
when there is no reference signal connected to the SMA connector?
It just configures the clocks. It doesn't check to see the PLL locks.
From what I understand,
On Thu, Apr 30, 2009 at 03:51:46PM +0200, Dominik Auras wrote:
Hello,
I was able to increase the USB bandwidth of the rx chain to 40Mb/s if tx
is completely turned off (test_usrp_standard_rx -D 4). However, with
test_usrp_standard_tx -i 8, it won't get beyond 32.7 Mb/s. I am ignoring
On Tue, May 05, 2009 at 05:40:48PM -0700, Karthik Vijayraghavan wrote:
I am using a USRP1 to digitize 4 channels of data at a decimation of
32 using 2 LFRX. My computer can keep up with the digitizing for the
most part but I get a relatively small number of overruns as well. I
am using the
On Mon, May 04, 2009 at 03:37:05PM -0400, Achilleas Anastasopoulos wrote:
I found out that
AC_PROG_MKDIR_P is defined only on autoconf 2.60, while
gnuradio requires only autoconf 2.57 and above.
After a google search, I found this patch:
# AC_PROG_MKDIR_P
# is a backport of
On Fri, Apr 24, 2009 at 05:27:06PM +0600, Ujala Qasim wrote:
I connected the USRP to the USB 2.0 port and obtained the information of the
device using the lsusb -v command in Ubuntu. The output is attached below.
Even in Ubuntu, the interfaces and endpoints come out to be different than
those
On Thu, Apr 23, 2009 at 11:43:19PM -0700, Firas A. wrote:
Hi,
Has anyone tried to run USRP1 without PC?
I have an application where a friend supported me with a standalone USRP
FPGA image. I used the PC only to load this image to the USRP using gnuradio
blocks/tools. After that I can
On Fri, Apr 24, 2009 at 02:15:36PM +0200, Ben Yahmed wrote:
Good News
I finally succeeded to receive with an USRP2 packets sent with another
USRP2. I tryed to modify the parameters and found the magic combination:
Yeah!
Eric
___
On Sat, Apr 25, 2009 at 01:23:40AM +0600, Ujala Qasim wrote:
Thanks for pointing out the problem. But doesn't the FX2 firmware download
automatically? Isn't it a part of the USRP's boot sequence? How can I load
the firmware then to get rid of this problem?
If you use the C++ interface we
On Fri, Apr 24, 2009 at 03:33:40PM -0600, Don Latham wrote:
OK. Finally managed to get the gnuradio compiled and installed. Now I've
put the recommended 10-usrp.rules file in the right place, checking the
syntax twice, and tried all the suggested steps (reboot, start/stop udev,
killall etc.).
On Fri, Apr 24, 2009 at 01:01:39AM +0600, Ujala Qasim wrote:
Hi,
I am writing a Windows interface for USRP using libusb-win32. However, I am
facing a problem. When I run the testlibusb wizard (a utility tool for
displaying information about USB devices) in Windows, it tells me that the
USRP
On Thu, Apr 23, 2009 at 01:15:56PM +0300, Juha Vierinen wrote:
I have attached a patch to allow users to define the ethernet packet
ring size. I remove the SLAB_SIZE restriction. I think gnuradio needs
a fairly new 2.6.5 kernel anyway.
Why is this needed? I challenge anyone to sample at 25
On Wed, Apr 22, 2009 at 10:54:12AM -0400, Matthew Dolloff wrote:
I'm having a problem creating a GUI. I'm trying to bind an event to a
button but when i bind the event, the callback is called immediately.
I'm not sure what the heck is happening. Any help would be greatly
appreciated. if you
On Wed, Apr 22, 2009 at 07:33:55PM +0200, Martin DvH wrote:
I am sorry to bring you this sad news.
I found this information on:
http://groups.yahoo.com/group/Ballooning/message/2810
KD7LMO Killed while bicycling
We have received word that Michael Gray, KD7LMO, was killed Sunday,
April
On Wed, Apr 22, 2009 at 11:06:19PM +, Juha Vierinen wrote:
Try setting your application to run using real-time scheduling
priority. This is done in C++ via a call to:
gr_enable_realtime_scheduling()
I am using this.
Juha,
What kind of filesystem are you using? I've never been
On Mon, Apr 20, 2009 at 10:35:44PM -0700, Jane Chen wrote:
Hi all,
I tried to subscribe the openbts mailing list, but I did not succeed. I sent
email to dburg...@kestrelsp.com to subscribe the openbts mailing list. Could
anyone please help me solve the following problem?
I tried to
On Tue, Apr 21, 2009 at 03:16:06PM +0900, 임영빈 wrote:
Hello.
I have a simple question about GNU radio.
Is it possible to change the transmission power within one frame?
I want to make a protocol that transmits some part of the frame with high
power,
and transmits some part with low power.
On Tue, Apr 21, 2009 at 01:23:41PM -0700, Hassan Moradi wrote:
I didn't know that there is a mailing list specified for OpenBTS. What's the
e-mail address?
This is the right place. However, the OpenBTS guys are currently
operating under a restraining order which is why you haven't heard
from
On Mon, Apr 20, 2009 at 11:32:42AM -0400, emat...@nd.edu wrote:
On Mon, 20 Apr 2009, Johnathan Corgan wrote:
On Mon, Apr 20, 2009 at 7:59 AM, emat...@nd.edu wrote:
Is there any reason why the situation could not be the same as with the
USPR1, with which I can program 2 DDC's on 1 LFRX
On Fri, Apr 17, 2009 at 11:24:00AM -0700, Smith L. wrote:
I am using the same pick_bitrate.py file that is already provided in
gnuradio. As it can be seen that both usrp systems have the default bit rate
irrespective of whether it acts as receiver or transmitter. My concern is
with the
On Fri, Apr 17, 2009 at 02:18:20PM +0530, Chitla S wrote:
Hi,
I am new to USRP.
Would like to know about where can we access PCB files or gerber files for
USRP1 USRP2?
Are we allowed to make modifications to the hardware as per the requirement
changes...!! What are the licences
On Fri, Apr 17, 2009 at 02:24:44PM -0700, Smith L. wrote:
Hi,
I already tried to set the value of the converter_rate in pick_tx_bitrate
and Pick_rx_bitrate according to the ADC and DAC specifications of u...@. I
set it to 200e6 in pick_tx_bitrate and in pick_rx_bitrate. But even that did
On Fri, Apr 17, 2009 at 07:04:25PM -0700, Karthik wrote:
On Tue, Apr 14, 2009 at 3:23 PM, Johnathan Corgan
jcor...@corganenterprises.com wrote:
GNU Radio 3.2 release candidate 2 is now available for download and testing:
http://gnuradio.org/releases/gnuradio/gnuradio-3.2rc2.tar.gz
On Fri, Apr 17, 2009 at 03:58:56PM -0700, Somya Ajmera wrote:
Hi all, Did any body else had a problem while transmitting through
USRP board? I am using Basic Tx/Rx board. When I tried to send a
sinusoidal signal of 50Khz (through GRC) and tried to look at at the
transmitted signal on to the
On Thu, Apr 16, 2009 at 02:33:56PM -0400, devin kelly wrote:
So, just to help me understand, let's say that running as root wasn't a
problem. Like, if you didn't have to be root to open a raw socket.
Would that mean that the open_usrp2_socket() function would just look like
this
On Thu, Apr 16, 2009 at 03:13:51PM +, Juha Vierinen wrote:
Off topic: We have been playing around with my USRP2 and it seems very
nice. I noticed that even though the FAQ strongly discourages
connecting the USRP2 to your main network, it does actually work. We
have a fairly large LAN and
On Thu, Apr 16, 2009 at 08:34:25AM -0700, Johnathan Corgan wrote:
Similar issues exist on the transmit side.
Actually they are quite different. When we assert flow control, we flow
control _everything_ upstream between the USRP2 and the host. Unless
you want your network to die, die, die,
On Thu, Apr 16, 2009 at 03:41:43PM -0600, Don Latham wrote:
First time working with gnuradio. Got through all the installs of support
stuff apparently OK, but on the make of gnuradio there seems to be a
problem with benchmark_dotprod_fff in core/src/tests. Shows up later in
make check with a
On Tue, Apr 14, 2009 at 02:19:38PM -0500, Douglas Geiger wrote:
I'm running some experiments with my two USRP2's - as I want to get
synchronized samples out of them. I have the clock's locked to my
external 10Mhz, and they sync_to_pps correctly (i.e. the timestamp
resets on the next PPS).
On Tue, Apr 14, 2009 at 01:48:21PM -0700, Smith L. wrote:
Hi,
I am trying to establish communication between USRP2 and USRP1. I am using
RFX2400 daughterboard. I am using Ubuntu 8.10. I am using the svn version of
GNU Radio. I dont know the revision number. I am not able to receive
On Wed, Apr 15, 2009 at 04:59:15PM +0200, Ane Andersen wrote:
Hi Eric
...Okey now I have another problem. I downloaded rev 10851 of the gnuradio
from the trunk and now I get two errors when I try to make.
I configured ld.so.conf as describe in your wiki. But I still have make
errors
Br
On Wed, Apr 15, 2009 at 04:20:20PM -0400, devin kelly wrote:
I've been looking over the GNU Radio code and I can't seem to figure what is
being done in /usrp2/host/lib/open_usrp2_socket.cc file. Specifically,
lines 97 through to 128.
What I think is happening is that a pair of connected
On Mon, Apr 13, 2009 at 02:53:46AM -0400, davek wrote:
can some one tell me what exactly does the gr-qtgui module add to gnuradio ?
im having troubles getting it to compile, and if i don't really need
it then why bother?
the gui should still work without the qt libs correct?
You don't need
On Mon, Apr 13, 2009 at 09:11:38AM -0700, Josh Blum wrote:
A quick way to enable the gl sinks if not done so:
mkdir ~/.gnuradio/
echo [wxgui] ~/.gnuradio/config.conf
echo style=gl ~/.gnuradio/config.conf
-Josh
You're probably safer editing the file in your favorite editor, since
some
On Sun, Apr 12, 2009 at 08:42:59PM -0400, satar...@eden.rutgers.edu wrote:
Hi,
I am trying to open one python script from another using the following code:
command = 'python send.py -d %d -s %d -c %d -n %d -f trash_file.txt'
%(dest_addr, sender_addr, cmd, seqno)
os.popen(command)
I
On Thu, Apr 09, 2009 at 04:47:07PM +0200, Per Zetterberg wrote:
Dear All,
I have copied rx_streaming_samples.cc from usrp2/host/apps to a local
directory, compiled and linked with libusrp2 etc. It works. However, in
a first small step towards transmitting with the usrp2 I added
On Thu, Apr 09, 2009 at 09:46:43AM -0700, karim wrote:
Hi,
I am trying to use the dqpsk modulator block to modulate some data and
then take the output and separate it to real and imag. This is the code,
it runs but the sinks are empty and have no data. What am I doing wrong?
You're
On Wed, Apr 08, 2009 at 03:43:26PM +0200, Ane Andersen wrote:
Hi Eric
I just tried flashing the SD ram as instructed on the web. It didn't change
much. Now when I run the two scripts I randomly get either segment fault
or some lines of traceback print with a runtimeerror Unable to retrieve
On Tue, Apr 07, 2009 at 03:41:18PM +0200, Ane Andersen wrote:
Hi
Hope somebody will help me get a little futher with my USRP2. I have no
previous experience with USPRS, ubuntu or python.
I am running Ubuntu 8.10 and latest version of gnuradio.
I tried find_usprs and got a response
On Tue, Apr 07, 2009 at 11:07:54AM -0700, Paco Garcia wrote:
Dear All,
I am trying to demod a qpsk from another USRP but with the setup below I get
a really noisy constellation:
http://img231.imageshack.us/img231/2465/screenshotysh.png
The 2 USRPs are connected via a SMA cable with 40
On Wed, Mar 25, 2009 at 01:13:32PM -0700, Johnathan Corgan wrote:
2009/3/25 Kyle Pearson kyle.a.pearson+gnura...@gmail.com:
When I try to simultaneously transmit and receive a sine wave source
on one USRP2 using GRC, there appear to be phase discontinuities in
the transmitted waveform(as
On Mon, Apr 06, 2009 at 04:14:21PM +0200, Dimitris Symeonidis wrote:
I have a flowgraph that is saturating my CPU, causing underruns.
I would like to find out the block (i.e. thread) that is loading the
cpu most heavily, in order to see if there's anything I can do to make
it lighter (and
On Mon, Apr 06, 2009 at 01:55:49PM +1200, Kieran Brownlees wrote:
Hello all,
I am very interested in using mblocks to implement a TDMA system. All that
the information I can find (mainly old discuss posts) say that an
'acceptable solution' has not been found for communicating between the
On Mon, Apr 06, 2009 at 04:29:20PM -0300, Tiago Rogério Mück wrote:
Updated from the trunk and I'm not getting that msg anymore.
Everything seems to be ok now.
Glad to hear it! Thanks for letting us know.
Eric
2009/4/3 Eric Blossom e...@comsec.com
On Fri, Apr 03, 2009 at 10:45:18AM
On Sun, Apr 05, 2009 at 04:48:55PM -0400, Marcus D. Leech wrote:
[Like you need suggestions :-) ]
When setting the USRP word-length format, it would be useful to set the
SHIFT and WIDTH parameters separately in the
USRP objects (both single and dual).
The valid values for WIDTH are
On Mon, Apr 06, 2009 at 05:21:32PM +0200, Per Zetterberg wrote:
Hi All,
Is timestamp on transmission implemented yet ? I mean, to be able to have a
burst being transmitted at a pre-defined time ?
BR/
Per
Yes, it is implemented. At this time the only way to access this
functionality
On Fri, Apr 03, 2009 at 08:32:50AM -0700, Josh Blum wrote:
Any strong opinions on this (error vs warn)? Either way is ok with me, I
just want it to be most useful for the majority of users.
Error seems fine to me.
Eric
___
Discuss-gnuradio
On Fri, Apr 03, 2009 at 08:18:32AM -0400, Jaze Dalton wrote:
Also, I noticed that when I use the subdev-gain_min() and
subdev-gain_max() functions, both return 0 instead of correct values.
Those are the right values. min == max - not adjustable
I see. Thanks. So that
On Fri, Apr 03, 2009 at 12:25:41PM +, feldmaus wrote:
Patrick Strasser patrick.strasser at tugraz.at writes:
Markus Feldmann wrote am 2009-03-30 17:54:
For example, is this ONE sample ?
24 + 5i
Yes.
The left is a 32bit I part and the right is the Q part ?
Yes!
On Fri, Apr 03, 2009 at 10:45:18AM -0300, Tiago Rogério Mück wrote:
I fixed the problem. The top_block on bbn_80211b_tx_port was not being
properly initialized.
It seems to be working now, but when I use 8 samples per data bit instead of
4 I randomly got the following error:
On Thu, Apr 02, 2009 at 09:47:33AM +, feldmaus wrote:
Hi All,
i only want to let you know, that some of the mails
i posted here are not shown in gmane.org, but in my
newsreader thunderbird(debian).
Maybe there is a problem ?
Regards Markus
No clue. We don't have anything to do with
On Thu, Apr 02, 2009 at 10:09:19AM -0400, yufeng wang wrote:
Hi, dear all,
I was trying to using the benchmark_rx.py in the digital-bert file to
receive a BPSK modulated signal from another USRP using
benchmark_tx.py, the problem is that even I did not run the
benchmark_tx.py, I am still
On Thu, Apr 02, 2009 at 09:30:47AM -0500, Jason Uher wrote:
Sorry, no.
Eric
OK,
Is there a way to distinguish between an uninitialized history (which
seems to be all 0's) and a history whose data is all 0's?
No. 0 == 0 :-)
Or perhaps some way that the work function knows this
On Thu, Apr 02, 2009 at 11:02:23AM -0700, gohar anwar wrote:
Hi,
I am getting the following error while running a programme. Programme is
fine. I have checked it on other PC.
I think there is some thing wrong with the installation of SWIG or else.
On Thu, Apr 02, 2009 at 03:59:22PM -0400, Jaze Dalton wrote:
I am trying to transmit from a file stored using usrp_rx_cfile.py (or
usrp_rx_cfile created using usrp_rx_cfile.cc/h). I have been able to
successfully do this using a usrp_tx_cfile.cc/h program derived from the rx
version. I
On Thu, Apr 02, 2009 at 10:11:38PM -0700, Johnathan Corgan wrote:
On Thu, 2009-04-02 at 22:05 -0700, Josh Blum wrote:
Im not sure if there is a ticket about this, maybe
http://gnuradio.org/trac/ticket/161 is related.
It is related, and the solution to 161 will fix this issue as well.
On Wed, Apr 01, 2009 at 07:32:04AM +, feldmaus wrote:
Eric Blossom eb at comsec.com writes:
To disable automatic ADC control on all ADC's:
u.set_dc_offset_cl_enable(0x0, 0xf)
Then set the offset that you want for each ADC using:
u.set_adc_offset(0, offset0
On Wed, Apr 01, 2009 at 08:15:47AM +, feldmaus wrote:
Hi All,
i have a signal generator which is only connected to 1 SMA connector
at the LFRX daughterboard.
In the gnuradio documentation is written:
Each of the 4 ADC's can be routed to either of I or the Q input
of any of the 4 DDC's.
FYI,
Eric
---BeginMessage---
Final sale: two more weeks, april 14th absolute bottom deadline
Yesterday, the 1000th HAR2009 ticket was sold. A great moment, you
early-birds make this event possible!
To celebrate, the early-bird deadline has been extended one final time.
Up until
On Wed, Apr 01, 2009 at 04:12:35PM -0400, Michael Dickens wrote:
Suppose I wanted to create a new daughterboard for the USRP; then what
is entailed on the host software side to allow GNU Radio robust access
to using this daughterboard? At this time, this is a thought
experiment: I've
On Wed, Apr 01, 2009 at 03:00:57PM -0600, Pham, Thanh wrote:
Hello,
I am running gnuradio on a Linux x86_64 box, fedora10. I downloaded the
code from the development trunk on 2/26/09. Lately I notice that my
uspr2 has been working intermittently. Sometimes, even running the
example code
On Wed, Apr 01, 2009 at 06:45:59PM -0400, Marcus D. Leech wrote:
Eric Blossom wrote:
It appears that you do not have the current firmware (and possibly
FPGA image) installed on the SD Card. Please grab the latest from:
http://gnuradio.org/releases/usrp2-bin/trunk/
Eric
set
On Tue, Mar 31, 2009 at 04:51:45PM +1300, Kieran Brownlees wrote:
Hello all,
I have some interesting behaviour using a stream_to_vector with a large
number of inputs items (12800).
The standard method of top_block.connect(), top_block.start() works fine but
when I try and perform the same
On Fri, Mar 27, 2009 at 08:42:43AM -0300, Ronaldo Nunez wrote:
Hi Eric,
Sorry for not reply earlier. I've tried your solution but the error persists.
I will work on the code this morning. If I get positive results I'll send you.
Thanks for all help.
Ronaldo
Can you post a link to the
On Mon, Mar 30, 2009 at 09:17:18AM +0200, Martin Braun wrote:
On Sat, Mar 28, 2009 at 05:35:59PM -0700, Mikhail Tadjikov wrote:
Thanks, but I'm trying to get weighted average specifically. I've looked at
the
code for moving_average... it's close to what I need, but its 1:1 in/out
ratio,
On Sun, Mar 29, 2009 at 01:56:59PM +0500, Ujala Qasim wrote:
Hi,
I am writing an interface between Windows and USRP. I have a simple question
to ask, does the USRP need any manual board configurations before I start
communicating with the FPGA through USB?
Thanks.
No, it doesn't.
Eric
On Tue, Mar 31, 2009 at 12:19:32PM +, feldmaus wrote:
Eric Blossom eb at comsec.com writes:
/*!
* \brief Enable/disable automatic DC offset removal control loop in FPGA
*
* \param bits which control loops to enable
* \param mask which \p bits to pay attention
On Wed, Apr 01, 2009 at 12:45:45PM +1300, Kieran Brownlees wrote:
My advice would be to go read up on downsampling (especially anti-aliasing
filters). :)
The short answer is you need to low pass filter the incoming signal so when
you perform the down sampling you do not get aliasing of the
On Mon, Mar 30, 2009 at 03:14:09PM -0600, wallen wrote:
Just out of curiosity, is there a more up-to-date web page for the USRP
than what I've found at http://www.gnu.org/software/gnuradio/?
Yes, http://gnuradio.org.
We'll be reworking the one at http://www.gnu.org/software/gnuradio and
On Mon, Mar 30, 2009 at 09:58:53AM +, feldmaus wrote:
feldmaus feldmann_markus at gmx.de writes:
Is there any example which corrects the dc offset ?
So that we see, which commands are up to date.
I think we have first to calculate the dc offset?
And the to adjust ?
To calculate
On Wed, Mar 25, 2009 at 08:14:32PM -0700, yyzhuang wrote:
Hi Eric,
We've made a stupid mistake. My friend installed gnuradio from trunk in
their lab. I just figure out this problem. After we reinstalled there's no
buffer problem anymore.
Thanks!
Yanyan
Thanks for letting us know it's
On Thu, Mar 26, 2009 at 07:32:09AM -0700, Johnathan Corgan wrote:
On Thu, Mar 26, 2009 at 4:12 AM, feldmaus feldmann_mar...@gmx.de wrote:
i want to save some output from the usrp and watch it with octave.
The usrp.source_c(...) block generates IQ data as pairs of 32-bit
floating point
On Thu, Mar 26, 2009 at 10:13:22AM -0300, Paulo Benatto wrote:
I have installed gnuradio in Virtual Machine (CentOS 5), when i try to make
a program using python i get this error:
[ERROR]=
gr_vmcircbuf_createfilemapping: createfilemapping is not available
On Wed, Mar 25, 2009 at 06:47:52PM -0700, adib_sairi wrote:
Thank you Martin. but is there any detail on how OFDM in GNU Radio is
constructed like the documentation for FM recv ..in FM recv they explain
detail on how they construct the code.. what is the reson for each line and
what
On Thu, Mar 26, 2009 at 01:24:37PM -0400, satar...@eden.rutgers.edu wrote:
Hi,
I am trying to run ALOHA MAC on gnu radio. The modulation scheme used is
GMSK. The Tx and Rx chains are as follows:
Tx Chain:
src - framer - crc enoder - fec encoder - preamble - nrz -
interpolator - Gauus
On Thu, Mar 26, 2009 at 03:13:51PM -0400, w w wrote:
I'm setting up in GRC a QAM8 Demod and am getting the following error:
/blk2impl/qam8.py line 195, in_init_
gr.io_signature(1,1, gr.sizeof_gr_char))
Attribute Error: 'Module' object has no attribute 'sizeof_gr_char'
Any suggestions?
: createfilemapping is not available
2009/3/26 Eric Blossom e...@comsec.com
This is OK.
Eric
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
On Thu, Mar 26, 2009 at 04:01:58PM -0400, devin kelly wrote:
Thanks for the help.
How close is GNU radio to implementing VITA49/UDP? Is the release weeks
away, months away, or more? What version number do you think that will be?
Months away.
We're currently tracking the VRT tickets with
On Thu, Mar 26, 2009 at 09:56:13PM +0100, William Sherman wrote:
Also I have looked at code where there is no top block (Exploring
GnuRadio). Instead a flowgraph is created using gr.flow_graph(). Can I
just create and execute multiple flowgraphs using this method?
That document is out of
On Wed, Mar 25, 2009 at 11:45:52AM +0100, Fabian wrote:
Hello!
I'm using GNURadio (from the svn repository) with OpenBTS and everything
worked fine.
Now I did this procedure:
sudo make uninstall
sudo make distclean
svn update
./bootstrap
./configure
make
make check
sudo make install
On Tue, Mar 24, 2009 at 04:03:36PM -0300, Ronaldo Nunez wrote:
Hi folks,
I tried to TX a FM modulated signal using USRP2 BasicTX.
The signal was a 440 Hz sinusoid, and the carrier 1 MHz.
I used the signal generator and fm modulator blocks provided by GNURadio.
When I tx it the follow
On Tue, Mar 24, 2009 at 03:32:36PM -0700, harshal jadhav wrote:
Hi,
I am a student of Master's program in electrical engineering (major :
telecommunications and dsp) .
As a master's final project i want to develop RFID reader/writer based on
GNU and compare the performance of RFID
On Wed, Mar 25, 2009 at 12:09:36PM -0700, Johnathan Corgan wrote:
On Wed, Mar 25, 2009 at 11:30 AM, Eric Blossom e...@comsec.com wrote:
There's a bug in the on-the-wire format for the USRP2 where we're not
currently transmitting the valid length of the packet. With ethernet,
the minimum
On Wed, Mar 25, 2009 at 12:12:27PM -0700, Eric Blossom wrote:
On Wed, Mar 25, 2009 at 12:09:36PM -0700, Johnathan Corgan wrote:
On Wed, Mar 25, 2009 at 11:30 AM, Eric Blossom e...@comsec.com wrote:
There's a bug in the on-the-wire format for the USRP2 where we're not
currently
On Wed, Mar 25, 2009 at 04:56:56PM -0400, Pradyumna Desale wrote:
Hi All,
Has anyone heard of RTOS implementations along with gnuradio? I am a newbie
and am trying to implement a scheduling scheme using RTOS. Has anyone tried
this before? I am running into truckloads of problems with
On Wed, Mar 25, 2009 at 03:39:47PM -0700, Newell Jensen wrote:
One of my professors passed this on to me today and I was wondering if
anyone else was aware of Sora. Here is a link to the pdf:
http://research.microsoft.com/pubs/79927/Sora-camera-ready.pdf
Thanks!
Eric
On Tue, Mar 24, 2009 at 08:45:19AM -0300, Paulo Benatto wrote:
Hi list,
I'm trying to build wxPython (2.8.9.2) from source.
I read two manuals to install wxpython:
- http://www.wxpython.org/BUILD.html
- http://www.wxpython.org/INSTALL.html
I have configured PYTHONPATH.
Python version
On Mon, Mar 23, 2009 at 04:39:14AM -0700, Ling Huang wrote:
Hi, I have posted my question a few days ago, but no one answer my question.
Maybe I didn't make my question clear. If there are any puzzle of my
statements, please let me know.
Here is my staff,
I use rfx400 and rfx2400 multi
On Mon, Mar 23, 2009 at 08:00:52AM -0700, kaleem ahmad wrote:
Hi,
I have one more confusion about this sampling rate of USRP.
At FPGA level it is 64MSps and when we decimate (D = 4...256), the sampling
rate is reduced to 64MSps/D. Now I am confused that if the actual sampling
rate of
On Mon, Mar 23, 2009 at 12:58:17PM -0400, Erich Stuntebeck wrote:
The daughterboard gain was set to the mid-point.
I don't have the range of the time domain samples as I did the FFT
processing in real-time and discarded the raw data. The data was
collected using a script I wrote to link
On Mon, Mar 23, 2009 at 10:44:21AM -0700, Eric Blossom wrote:
On Mon, Mar 23, 2009 at 12:58:17PM -0400, Erich Stuntebeck wrote:
The daughterboard gain was set to the mid-point.
I don't have the range of the time domain samples as I did the FFT
processing in real-time and discarded
On Sun, Mar 22, 2009 at 01:51:55PM -0500, William Harding wrote:
When I try to make the howto package (from the How to write a signal
processing block tutorial), I get and error which says:
Version mismatch error. This is libtool 2.2.6, but the definition of this
LT_INIT comes from libtool
On Thu, Mar 19, 2009 at 09:12:00PM -0700, Eric Blossom wrote:
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
On Wed, Mar 18, 2009 at 10:36:17PM -0700, yyzhuang wrote:
Hi Eric,
We read through the code. gr_buffer is a circular/ring buffer, so when
reading/writing through it, we need to take modular into account. The assert
error, it's line 125 in gr_buffer.h
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