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Re: [Discuss-gnuradio] introducing CGRAN: 3rd party GNU Radio applicatio


From: George Nychis
Subject: Re: [Discuss-gnuradio] introducing CGRAN: 3rd party GNU Radio application support
Date: Tue, 14 Oct 2008 00:52:46 -0400
User-agent: Thunderbird 2.0.0.17 (X11/20080925)

Thanks Josh!

I don't think there should be a standard, but I understand why you would want one. There is likely to be 1 for each project, not just 1 for CGRAN. The reason is that we are trying to make it as easy as possible for people to contribute their applications, which others can help maintain and enhance.

It's not setup to be the case where you checkout CGRAN, install it, and get all of its applications. You find the applications you want, and install them. By forcing the prior, I think we place ourself back in the situation with a high barrier of entry that GNU Radio has.

Hmmm... colors... :)

- George


Josh Blum wrote:
Very nice.

Is there going to be a standard way to use a CGRAN project on my gnuradio system... 2 simultaneous build systems, 1 for cgran, 1 for gnuradio? Many individual build systems, 1 for each cgran project? svn:externals?

We have to change the default trac color/theme on at least one of the websites now.


George Nychis wrote:
Hi all,

I am happy to announce the official release of CGRAN: The Comprehensive GNU Radio Archive Network. Summary: CPAN->Perl as CGRAN->GNU Radio.

https://www.cgran.org/ (initial release only supports SSL, sorry!)


just finished adding an ssl exception in firefox...

What Is CGRAN?
---------------
The Comprehensive GNU Radio Archive Network (CGRAN) is a free open source repository for 3rd party GNU Radio applications that are not officially supported by the GNU Radio project. CGRAN provides a subversion repository for users to develop or submit new applications, and wiki access for full project documentation. Trac (our web interface) provides unique features such as a browser for the subversion repository and a ticket system for users to file issues with projects in CGRAN.


Why?
----
Getting code into the GNU Radio code base is difficult. Share your GNU Radio applications without the hassle of FSF copyright, obtaining a GNU Radio developer account, integrating into the GNU Radio branch, and following GNU Radio coding conventions. They are there for a reason, but they are not for everyone... and not all applications are for the official GNU Radio code base! ;)


CGRAN RELEASE BONUS: Architectural Latency Measurements
-------------------------------------------------------
As a CGRAN "first project" release for others to follow, I have added code and applications which measure the latency of data as it flows from GNU Radio to the USRP and back. This gives you an idea of GNU Radio->USRP round trip time, GNU Radio->kernel latencies, and kernel->USRP round trip time. This can certainly be extended... all you need is a CGRAN account to work on it :)


Two initial projects I would love to see in CGRAN!
-----------------------------------------------------
  * BBN 802.11 code (CGRAN would allow others to keep it up to date)
  * Univ. of Utah 802.11b Decoder

I am open to suggestions about CGRAN, it's for the community... so community feedback is appreciated. Of course, report issues.

Enjoy!
George


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