Re: [Discuss-gnuradio] Bug: gr-qtgui: wrong design of variable-type blocks for GRC (category /GUI Widgets/QT)

[Artem Pisarenko]

posted partial bugfix to github (pull request #122)



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Re: [Discuss-gnuradio] GNURadio on Zync: thanks for the excellent tutorial

[Philip Balister]

On 12/26/2013 02:28 AM, Jean-Michel FRIEDT wrote:
> I have used the opportunity of the more relaxed days of this Christmas
> period to try and run the tutorial at
> http://gnuradio.org/redmine/projects/gnuradio/wiki/Zynq

We need to update the OE section of this page to use:

https://github.com/balister/oe-gnuradio-manifest

for managing the OE layers. I'd suggest not starting a new checkout if
you have something working until after I update UHD to 3.6.2 though :)

Also, https://github.com/balister/meta-sdr/wiki/CrossCompile has
instructions for cross compiling GNU Radio and testing the result. We
need to verify this approach works for OOT module development also.

Merry Christmas,

Philip

> 
> Wonderful page, works nearly perfectly, thanks a lot.
> 
> A few minor comments to the author or useful to other readers of the
> mailing
> list:
> 1/ using a brand new Debian/testing installation, it seems that the latest
> version of tar will not accept both -c and -s options in its command line.
> I hence edited all entries of openembedded-core/meta/lib/oe/ and replaced
> the -ps option of tar with -p. Same for the meta/classes entries.
> Apparently
> this has been patched in the latest release of openembedded, but indeed the
> zync script will not run out of the box on the latest openembedded release
> and, as advised on the web page, I git commited against a given older
> release,
> 2/ the note about Xilinx tools to Ubuntu users concerning gmake should
> be in
> bold, huge size, blinking fonts ;)  I spent a while being concerned about
> licensing issues when the FPGA synthesis tool would not run. No
> seriously, just
> learning to read did the trick. As a side note, it all ran smoothly with
> the
> 14.7 release of ISE on a 32-bit x86 architecture. I believe there is a
> minor
> trivial error in the PATH to ISE in which xtclsh should not be included in
> the PATH definition.
> 
> Anyway, thanks for the tutorial, just need to now understand what I did,
> but
> at least the whole thing is running smoothly.
> 
> Best wishes for the new year, JM
> 

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[Discuss-gnuradio] Successful installation of GNURadio 3.6.4.1 on Window XP and Windows 8

[Bhaskar11]

*After much experimentation I have finally found a way to successfully
install and fully run GRC 3.6.4.1 both under Windows XP and Windows 8.* I
presume it should therefore work equally well under Vista and 7.

First a few comments on the common causes of problems that most people have
had:

a. It is critical to have the correct *matching* and *complete* versions of
the various required libraries. Most installations instructions online fail
because of this reason. The Ettus installation instructions officially
recommended on GNURadio website and provided
here
fail
now because many of the original binary versions referred to are no longer
available. Hence those instructions are now outdated and should be replaced
by the instructions provided in this email.

b. Although it is possible to successfully install GNURadio binaries for
versions 3.7.x, none of them include runtime DLLs for WX GUI blocks. Hence
these blocks are not displayed, and so most of the example files available
cannot be used as they need WX GUI blocks. Moreover, some of the QT GUI
blocks do not work in certain versions. Since I do not know how to make
these binaries, I request those who have created these version 3.7.x
Windows binaries to repack them so that we can run the latest versions of
GNURadio in Windows. Until that is done, there is no point trying to
install those versions.

c. Only GNURadio version 3.6.x binaries have WX GUI blocks. But versions
3.6.2 does not allow moving the blocks. Only 3.6.4.1 is usable, and works
perfectly well for all available examples tested so far including all QT
GUI and WX GUI blocks.

d. The required Python libraries versions are available only for Python
version 2.7.3 and are NOT all available for versions 2.7.6 or above, or at
least I could not find them online. Hence we have to use libraries
compatible only with Python 2.7.3.

e. Some library versions have their quirks or bugs. For example PyGTK
2.24.0 does not allow you to add blocks in GRC. Only version PyGTK 2.24.2
works ok. Also wxPython binary called
"wxPython2.8-win32-unicode-2.8.12.1-py27" just does not work, but the same
version but different binary called "wxPython-2.8.12.1.win32-py2.7" works
correctly. Most online instructions do not mention the need for
"wxPython-common" library, which is absolutely necessary. Also some odd
problems such as
thiscease
to exist when the correct libraries are matched.

f. In the instructions below I have listed all the correct working
libraries and binaries with links from which to download them. Please use
only the binaries from these links and install them in the sequence
provided. Other versions or binaries may not work. Keep all default options
unless otherwise specified here. If you have problems working with the
instructions below, check your binaries, and ensure that you are doing a
clean install.

Finally, please share your experiences with success and failures on this
list so that others may benefit.

*Instructions to install GNURadio in Windows XP and Windows 8:*

1. Uninstall all earlier installations and libraries of GNURadio and Python
and their add-ons. Ensure that the GNURadio directory and Python directory
are entirely removed by the uninstalls.
For Windows XP GNURadio default directory is: C:\Program Files\gnuradio
For Windows 8 it is: C:\Program Files (x86)\gnuradio
For all platforms the Python default directory is: C:\Python27
Both the GNURadio and Python directories should be non-existent. If they
still exist, then delete them and reboot. We want as clean an install as
possible.

2. Download "Microsoft Visual C++ 2010 Redistributable Package (x86)" from
here  and
install "vcredist_x86".
If it says a copy is already installed and offers to repair it, and accept
to repair. If it says a later version is already installed, then accept to
close.

3. Download and install "python-2.7.3.msi" from
here
.

4. Download and install "lxml-3.0.2.win32-py2.7" from
here
.

5. Download and install "numpy-1.7.1-win32-superpack-python2.7" from
here
.

6. Download and install "PyQt-Py2.7-x86-gpl-4.9.6-1" from
here
.
(Note: Keep all default options. You do NOT need to change anything.)

7. Download and install "PyQwt-5.2.1-py2.7-x32-pyqt4.9.6-numpy1.7.1" from
here .

8. Download and install "Cheetah-2.4.4.win32-py2.7" from
here

[Discuss-gnuradio] Successful installation of GNURadio 3.6.4.1 on Window XP and Windows 8

[Mike Willis]

Thanks - this explains all of my issues and many hours of frustrated
re-installation and searching - why supply it without the DLLs?

Mike

b. Although it is possible to successfully install GNURadio binaries for
versions 3.7.x, none of them include runtime DLLs for WX GUI blocks. Hence
these blocks are not displayed, and so most of the example files available
cannot be used as they need WX GUI blocks. Moreover, some of the QT GUI
blocks do not work in certain versions. Since I do not know how to make
these binaries, I request those who have created these version 3.7.x Windows
binaries to repack them so that we can run the latest versions of GNURadio
in Windows. Until that is done, there is no point trying to install those
versions.


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[Discuss-gnuradio] Playback

[Paul B. Huter]

Is there a way to slow the playback of a data file through an FFT Sink? If
I recorded at 50M and I set my FFT rate to 25M, would that result in
playback twice as long?

Thanks.
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