(http://gpstk.sf.net)
3. Would huge changes to the FPGA source code be required to support a
gps receiver?
Thank you for taking the time to read this, I hope you might find the
project interesting.
Best regards,
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Hi everyone!
I have followed the instructions on
http://gnuradio.org/trac/wiki/FC5Install, but I still have a problem.
Python does not find the modules unless I add all the necessary
subfolders to PYTHONPATH. Any ideas on what I am doing wrong?
Best Regards,
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2006/11/3, Trond Danielsen <[EMAIL PROTECTED]>:
Hi everyone!
I have followed the instructions on
http://gnuradio.org/trac/wiki/FC5Install, but I still have a problem.
Python does not find the modules unless I add all the necessary
subfolders to PYTHONPATH. Any ideas on what I am doing
2006/11/3, Eric Blossom <[EMAIL PROTECTED]>:
On Fri, Nov 03, 2006 at 12:25:33PM +0100, Trond Danielsen wrote:
> Hi everyone!
>
> I have followed the instructions on
> http://gnuradio.org/trac/wiki/FC5Install, but I still have a problem.
> Python does not find the modules
2006/10/30, Bob McGwier <[EMAIL PROTECTED]>:
Trond Danielsen wrote:
> Hi everyone!
>
> This is my first post to this list, so please correct me if I do
> something wrong.
>
> I have been watching the GnuRadio project for a while, and I must say
> that it is an imp
scripts and the modules are installed in
$PREFIX/lib64 on x86_64. A patch for the aclocal file is included in
this mail.
Hope someone might find this useful.
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--- /usr/share/aclocal-1.9/python.m4 2006-07-12 09:00:28.0 +0200
+++ python.m4 2006-11-06 16:05:55.0 +0100
;pasted from the archives:
The solution is to add "-O plughw:0,0" to the end of your command line
(without the quotes), which causes ALSA to resample the output to be
at a compatible sample rate.
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l some
developement packages. Which one depends on which version of Debian
you are running, but for testing and unstable you can install
xorg-dev.
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e processor
has a FPU and there is a slot for a video card.
Philip
Correct me if I am wrong, but isn't the USB inferface on the EFIKA
only USB 1? I have got a board like this and is planning to use it
with the USRP, but assumed that I had to buy a USB2 pci
ave a fairly new machine with 1G ram and a dual core
AMD cpu, and compiling GNU Radio used to bring the computer to its
knees :), so this is a great improvement. It is also good news as I
intend to run GNU Radio on my EKIFA single board computer, which only
has 12
that should be within the limitations of GNU Radio
and USRP. Any objections to this approach, or hints on what I should
do different?
Thanks for reading this,
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2007/1/16, Chris Kilgour <[EMAIL PROTECTED]>:
Trond Danielsen wrote:
> The BW of the spread
> signal is 2 MHz, so that should be within the limitations of GNU Radio
> and USRP.
AFAIK channel BW is 1.25MHz for the cdma2000 family, and closer to 4MHz
for W-CDMA. Which standard a
ht cause this error? I am using GNU Radio from SVN.
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time packages appare to be split between the two folders is
when both the i386 and x86_64 version is installed. From what I know,
SuSE also install x86_64 python programs only in lib64. I therefore
think the correct solution would be to install everything either in
lib64 or i
o (only user :) ), so please feel free to connect if
you want to chat about gnuradio.
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2007/1/17, Philip Balister <[EMAIL PROTECTED]>:
If anyone is seriously interested in building GNU Radio with OE, I'd
be glad to help get you started.
Philip
I am very much interested in this. Maybe it would be a good idea to
add an embedded section to the gnuradio wiki?
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Hi everyone,
hope this is not a silly question: Is it possible to subclass
gr_vector_source to create a custom vector source? I already have the
C code to create my vector.
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2007/1/24, Eric Blossom <[EMAIL PROTECTED]>:
On Wed, Jan 24, 2007 at 03:26:51PM +0100, Trond Danielsen wrote:
> Hi everyone,
>
> hope this is not a silly question: Is it possible to subclass
> gr_vector_source to create a custom vector source? I already have the
> C cod
/src/python/run_tests])
])
])
-
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window,
and add "@daily svn up " at the bottom of that
file.
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2007/1/29, Johnathan Corgan <[EMAIL PROTECTED]>:
Trond Danielsen wrote:
> I am creating a signal processing block for gnuradio (svn), but I can
> not figure out how to generate run_tests from run_tests.in. The m4
> macro file and Makefile.am from the python folder are included
2007/1/29, Eric Blossom <[EMAIL PROTECTED]>:
Did you insert your GRC_FOO into configure.ac?
Yes, I did. The Makefiles gets created, so "make" works just fine, but
"make check" does not work (obviously, because run_tests is mis
2007/1/29, Eric Blossom <[EMAIL PROTECTED]>:
On Mon, Jan 29, 2007 at 03:43:46PM +0100, Trond Danielsen wrote:
> [~/src/gnuradio/config] cat grc_gr_gnss.m4
> AC_DEFUN([GRC_GR_GNSS],[
>GRC_ENABLE([gr-gnss])
>
>AC_CONFIG_FILES([\
>gr-gnss/Makefile \
>
ed (my self
included). I therefore wonder if there are any plans, guidelines or
ideas on how to structure the documentation in a better way. I would
love to help out with this, but I need some direction from some of the
more experienced users.
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feedback on this, because I am lost. Thank
you for your time!
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2007/1/31, Johnathan Corgan <[EMAIL PROTECTED]>:
Trond Danielsen wrote:
> undefined symbol: _ZN17gr_gnss_ca_sourceD1Ev
This looks like the mangled name of the destructor method for the
gr_gnss_ca_source class. Do you have this in the class declaration in
the .h file and then defin
X/lib and $PREFIX/lib64. I will post
instructions for this if somebody is interested.
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ll ||
Modified version:
am_cv_python_pythondir=`$PYTHON -c "from distutils import sysconfig;
print sysconfig.get_python_lib(1,0,prefix='$PYTHON_PREFIX')"
2>/dev/null ||
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!
You might want to read this: http://gnuradio.org/trac/wiki/FC5Install
and this:
http://lists.gnu.org/archive/html/discuss-gnuradio/2007-02/msg00020.html
Cheers,
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frequency, or am I missing something.
Thanks in advance!
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Hi,
I wonder if anybody has any recommended literature on software defined
radios? I am both looking for books that covers both implementation
and theoretical topics.
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http
access.
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.
2. Create a custom block that calculated the maximum argument.
The first option seems easier initially, but I wonder if there are any
problems with this approach that I have not considered.
All comments are welcomed!
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2007/2/21, Johnathan Corgan <[EMAIL PROTECTED]>:
Unfortunately, this release candidate does not include a fix for
ticket:39 (/lib vs /lib64 issues on Fedora Core 5 and 6). Those
developers who are affected by this issue and can perform testing of
potential fixes should contact Eric Blossom.
you have to install it your self. There is a review
request for sdcc in bugzilla if you want to check it out:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=226795
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gnature (0, 0, 0),
gr_make_io_signature (1, 1, sizeof(unsigned char))),
d_repeat(repeat),
d_index(0)
{
if (degree < 1 || degree > 32)
throw std::runtime_error("gr_glfsr_source_b: degree must be
between 1 and 32 inclusive");
d_length = (int)(1ULL << degree)-1;
2007/2/23, Johnathan Corgan <[EMAIL PROTECTED]>:
Trond Danielsen wrote:
> Is this correct?
> - - - - - - - - -
> gr_glfsr_source_b::gr_glfsr_source_b(int degree, bool repeat, int
> mask, int seed)
> : gr_sync_block ("glfsr_source_b",
>
Hi,
maybe the updated version of gr_python.m4 should also be included in
gr-howto-write-a-block?
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Hi,
Is there a reason why there is no "ordinary" n-PSK modulator and
demodulator available, only the differential one? If not, I'll modify
the existing one and submit a patch.
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2007/2/27, Eric Blossom <[EMAIL PROTECTED]>:
On Tue, Feb 27, 2007 at 05:07:31PM -0500, Tom Rondeau wrote:
> > -Original Message-
> > From: [EMAIL PROTECTED] [mailto:discuss-
> > [EMAIL PROTECTED] On Behalf Of Trond Danielsen
> > Sent: Tuesday, February 27,
to add
/usr/libexec/sdcc to PATH before building GNU Radio.
I have also created a patch to config/usrp_sdcc.m4 that does this
automatically (see attachment).
Now, onto the gnuradio spec file...
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Index: config/usrp_sdcc.m4
2007/3/2, Liu Xin <[EMAIL PROTECTED]>:
> What OS, version and distribution are you using?
I am using:
Linux jul 2.6.15-23-386 #1 PREEMPT Tue May 23 13:49:40 UTC 2006 i686
GNU/Linux
Judging by your kernel version, that Ubuntu, isn't it?
--
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e are some scripts to convert the old wiki
pages to trac format, but that is not what I am thinking of now.
Cheers,
--
Trond Danielsen
= Welcome to GNU Radio! =
== Introduction ==
GNU Radio is a collection of software that when combined with minimal hardware,
allows the construction of radios wher
2007/3/3, Eric Blossom <[EMAIL PROTECTED]>:
On Sat, Mar 03, 2007 at 12:54:31PM +0100, Trond Danielsen wrote:
> Hi everyone,
>
> I've been looking at the GNU Radio websites, and feel that there are
> some improvements that could be made. The website at gnu.org looks
>
2007/3/3, Don Ward <[EMAIL PROTECTED]>:
From: "Trond Danielsen" <[EMAIL PROTECTED]>
>> I agree that the current WikiStart page isn't beautiful, however it
>> does handle what I assume are the first 95% of the questions: where's
>> the code
s (practical, not the shiny ones on gnu.org)
- Suggested readings.
- List of talks, presentations and videos.
* Contribute (already on gnu.org)
Puh, thats about it (concider this a note-to-self(r) and others :) )
At last, thank you for all the feedback. I hope that you find this
useful and
ere are no hard
real-time requirements, as the demodulated data is not intended to be
displayed in real time. I have read about the new mblock, but it
seemed overkill for my application.
Hope I managed to present my question clearly.
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w
what you think. I have tried to give an overview of what information is
available on the wiki, while keeping the size of the front page to a
reasonable size to avoid scrolling.
I haven't had the time yet to look at the gnu.org website, but I've got
it on my TODO list.
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packages/_usrp_prims.so
/usr/lib64/python2.4/site-packages/usrp_dbid.py
/usr/lib64/python2.4/site-packages/usrp_fpga_regs.py
/usr/lib64/python2.4/site-packages/usrp_prims.py
Would it be possible to move these to a separate subfolder?
Cheers,
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__
2007/3/6, Eric Blossom <[EMAIL PROTECTED]>:
On Tue, Mar 06, 2007 at 01:38:51PM +0100, Trond Danielsen wrote:
> Hi,
>
> I creating a spec file for GNU Radio, and I discovered some minor issues:
>
> 1. Standard library paths are hardcoded into some of the libraries. I
>
read about the m-block architecture, and I must say that is seems
very nice, but a bit too complicated for my simple needs. I just need
to estimate some parameters at a low rate, and update another graph
dynamically. BTW: Has anybody else done any work on CDMA?
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months ago. Glad to see they got it into production.
Eric
Wow! Looks cool, but I'm glad it was not available 6 month ago, or I
might never have gotten into GNU Radio... :)
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2007/3/6, Martin Dvh <[EMAIL PROTECTED]>:
I would add a heading "Full Documentation Index" or "Wiki Index" with a link
to http://gnuradio.org/trac/wiki/TitleIndex under Documentation.
Good idea! I had that in mind earlier, but somehow it must have sl
GPS! I am creating a similar application, and wonder what your
goals are? Are you creating a complete receiver in GNU Radio, or a you
using an existing software receiver?
Feel free to contact me off list if you want to discuss more.
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is to move as much of the
signal processing as possible onto the host computer. Moving the FFT
back to the FPGA would therefore be a step backward in the software
approach. This is just my personal opinion, so feel free to spank me
with a 10 foot monopole if your view is different :)
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his to the wiki:
http://gnuradio.org/trac/wiki/MailingLists
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c, and create symlinks.
The easiest way is to just add /usr/libexec/sdcc to path before
./configure && make. This is the way it is done in the upcoming spec
file.
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2007/3/9, xrin oscar <[EMAIL PROTECTED]>:
Hi,
I try to compile sdcc package and i met with the following problem.
Help needed. Thanks.
Hi, I have not seen that error before, but may I ask which
distribution and version of sdcc you are using?
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2007/3/12, xrin oscar <[EMAIL PROTECTED]>:
Hi,
the package is sdcc-2.5.0.tar.gz.
The latest version of sdcc is 2.6.0, I suggest you try that before
trying to debug the older version.
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spec file has
been created for gnuradio-3.0.3.
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2007/3/15, Trond Danielsen <[EMAIL PROTECTED]>:
Hi,
qwt-5.0.1 packages for Fedora are now available here:
ftp://open-gnss.org/pub/fedora/qwt/
A small error reported by Johnathan Corgan has now been corrected: New
package here: ftp://open-gnss.org/pub/fedora/qwt/qwt-5.0.1-2.x86_64.rpm
a
f it until even the canonical upstream source
has one.
When packaging stuff I try to remain compatible with upstream, but the
qwt package contains _alot_ of header files, and I think it would be
better to store them in a separate subfolder. I'll discuss this with
uation, the interrupted path would
work with old data. Any way to flush this or are the buffers small
enough to neglect this effect? I guess this would also be true for
connect/disconnect.
A mute block already exist:
http://gnuradio.org/doc/doxygen/classgr__mute__cc.html.
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g: Are you building agains
qt-3 or qt4?
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f you need help with this, just contact
me off the list, and I will send you the instructions.
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2007/3/24, Martin Dvh <[EMAIL PROTECTED]>:
http://investor.raytheon.com/phoenix.zhtml?c=84193&p=irol-newsArticle&ID=975694&highlight=
The URL contains "investor", which makes me to think:
"Don't belive the hype"
4, so everyone can chose what they want :)
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/lib/general/
gr_probe_signal_f.h
gr_probe_signal_c.h
gr_probe_signal_avg_mag_sqrd_f.h
gr_probe_signal_avg_mag_sqrd_c.h
I was looking for something like this too, but from what I can see,
gr_probe_signal_c.* is not available in trunk (rev. 4796). Am
is 1.5755 GHz. Is it not possible to tune the
DBSRX to 1.57542 GHz? BTW: How is the C++ version of the dbsrx driver
coming along? Does it contain any improvements over the python
version?
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e meaningful, but
otherwise the code should be very similar.
SOAPpy is availble here: http://pywebsvcs.sourceforge.net/
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driver contains only magic number
for someone who does not have access to this. Would it be possible to
add this information to the wiki?
I would very much like to test you C++ driver.
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2007/3/27, Eric Blossom <[EMAIL PROTECTED]>:
On Tue, Mar 27, 2007 at 10:36:05AM +0200, Trond Danielsen wrote:
> Hi,
>
> I have a problem with my DBSRX daughterboard. I tried to send in a
> single carrier on 1.57542 GHz and watch it with usrp_fft.py, and I
> observe that t
b atm, but I'll post a screenshot tomorrow when I
get back to the university (which is in about 10h).
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2007/3/27, Trond Danielsen <[EMAIL PROTECTED]>:
2007/3/27, Eric Blossom <[EMAIL PROTECTED]>:
> > Okay, I think I understand. But still, when inspecting the signal with
> > ursp_fft.py, the signal is not at baseband, but offset by approx.
> > 500kHz
>
> 500
eters
look here: http://archive.chipcenter.com/dsp/DSP010531F1.html
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o mailing list"
> Cc: "Eric Blossom" <[EMAIL PROTECTED]>
> Sent: Friday, April 06, 2007 3:38 AM
> Subject: [Discuss-gnuradio] New Wiki Front Page
>
> The front page to the GNU Radio wiki has been updated to a simpler and
> hopefully more easily navigable format.
implement this ( y(n) = x(n) + x(n-1) + ... + x(n-N-1) ) , but
I am not sure how to accomplish the same thing on a vector signal.
Any comments are welcome!
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ional modules are missing). Any hints
on how to solve this?
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from gnuradio import gr,window
from local_code import local_code
class acquisition(gr.hier_block2):
def __init__(self, fs, fd):
self.fft_size = int( 1e-3*fs)
self.window = window.bla
ra Core 6
x86_64 that runs on an AMD 64 with 1 GB ram.
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2007/4/12, Johnathan Corgan <[EMAIL PROTECTED]>:
Trond Danielsen wrote:
> I wonder if anybody has any suggestion on how to integrate a vector
> signal? I have a block that generates a vector signal, but I want to
> integrate the output over 3-10 vectors to improve the SNR. Now
2007/4/12, Eric Blossom <[EMAIL PROTECTED]>:
On Thu, Apr 12, 2007 at 02:50:17PM +0200, Trond Danielsen wrote:
> Hi,
>
> I have a problem with insufficent shared memory. I'm running GNU Radio
> from SVN, and keep getting these messages:
>
> gr_vmcircbuf_sysv_shm:
is? I am thinking of just sequencially outputing the index and
the value after each other and de-interleaving them to get each result
in a separate stream.
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ed the nth output with the input stream.
Has anybody written something like this allready?
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2007/4/16, Johnathan Corgan <[EMAIL PROTECTED]>:
Trond Danielsen wrote:
> I've written a block that return the index of the largest element in a
> vector; in other words, it implements the argmax function. Now I have
> a small issue, I would relay like to get both the valu
2007/4/16, Eric Blossom <[EMAIL PROTECTED]>:
On Mon, Apr 16, 2007 at 10:20:59AM +0200, Trond Danielsen wrote:
> Hi,
>
> I've written a block that return the index of the largest element in a
> vector; in other words, it implements the argmax function. Now I have
> a
ters from Matlab, but it works.
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know that DSPs such as the Blackfin has special vector
instructions that would make this very simple, but I am not sure about
x86.
I am also going to write a general purpose multiply and accumulate
block that would benefit much from SIMD instructions.
Any comments are appreciated.
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2007/4/23, Eric Blossom <[EMAIL PROTECTED]>:
On Mon, Apr 23, 2007 at 10:48:58AM +0200, Trond Danielsen wrote:
> Hi everyone,
>
> I've written a couple of blocks for GNU Radio, but am not satisfied
> with the performance. I am therefore thinking of using SIMD
> instr
pref ere to
stay out of assembly land a little longer.
--
Trond Danielsen
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for gr_float.
cheers,
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Trond Danielsen
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, so I cannot commit it
now. I will however request a build once it is open again. In the
meantime you should be able to download the src.rpm for devel or FC6
(they are identical) and build it your self. Sorry for the
inconvenience.
--
Trond Dan
Makefile.am
etc, but that should (in theory... :) ) not be too hard.
Cheers,
--
Trond Danielsen
Index: gr_mean_XX.cc.t
===
--- gr_mean_XX.cc.t (revisjon 0)
+++ gr_mean_XX.cc.t (revisjon 0)
@@ -0,0 +1,64 @@
+/* -*- c++ -*- */
+/*
+
set_mbh.cc] Error 1
make[2]: Leaving directory
`/home/trondd/src/gnuradio/trunk/build/mblock/src/lib'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/trondd/src/gnuradio/trunk/build/mblock/src'
make: *** [all-recursive] Error 1
--
Trond Danielsen
put 0
gr_buffer::allocate_buffer: warning: tried to allocate
4 items of size 32000. Due to alignment requirements
16 were allocated. If this isn't OK, consider padding
your structure to a power-of-two bytes.
On this platform, our allocation granularity is 4096 bytes.
- - -
--
Trond
io/blksimpl folder
I can also recommend the doxygen documentation, which is available
online: http://gnuradio.org/doc/doxygen/hierarchy.html.
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Trond Danielsen
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