[Discuss-gnuradio] uses of gnuradio

2008-08-20 Thread Joreen Tan
Hi, I am totally new to gnuradio but have to use it as a basic GSM base station for my final year project. the main criteria is to satisfy the basic handshaking protocol between the a handset and the base station. But due to my inexperience in programming, i am not very sure if it is possible,

Re: [Discuss-gnuradio] inband timestamp issues

2008-08-20 Thread Brian Padalino
On Wed, Aug 20, 2008 at 6:45 PM, Steve Peters <[EMAIL PROTECTED]> wrote: >> As a non-hardware person, I was thinking that a simple solution is to not >> really use the clock on the RX directly, but timestamp packets indirectly. >> You have a signal when the sample buffer is empty, when that signal

Re: [Discuss-gnuradio] inband timestamp issues

2008-08-20 Thread Steve Peters
> As a non-hardware person, I was thinking that a simple solution is to not > really use the clock on the RX directly, but timestamp packets indirectly. > You have a signal when the sample buffer is empty, when that signal is > de-asserted for the first time, read the clock and take this as your i

[Discuss-gnuradio] Initial Samples

2008-08-20 Thread Dustin Maas
Hello All, How many samples should I ignore at the beginning of the data that I get using usrp_rx_cfile.py? I am using an XCVR2450, decimation factor of 8. Is there a "rule of thumb" so to speak? Thanks in advance, Dustin ___ Discuss-gnuradio m

RE: [Discuss-gnuradio] Some noodling

2008-08-20 Thread Marcus Leech
Turns out I didn't need to write a new block, but rather through clever abuse of keep_one_in_n(), I was able to implement a cheap "mute and pause". Which means that I can control the two different streams, and control what gets to the final integrator. While we're in "switched" mode, I simply

[Discuss-gnuradio] Problem updating wx

2008-08-20 Thread Carles Fernandez
Hi, I just have updated wxWidgets and wxPython packages as explained at http://wiki.wxpython.org/InstallingOnUbuntuOrDebian 1) Add repositories to /etc/apt/sources.list: deb http://apt.wxwidgets.org/ hardy-wx main deb-src http://apt.wxwidgets.org/ hardy-wx main 2) Update package meta-data: sudo

Re: [Discuss-gnuradio] Some noodling

2008-08-20 Thread Johnathan Corgan
On Tue, Aug 19, 2008 at 2:00 PM, Marcus Leech <[EMAIL PROTECTED]> wrote: > Controlling the switching function is no problem. But processing the > samples as they come in has me a bit stumped, > unless I write a custom-processing block. This is your best bet. > So, the input switches at some

Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk

2008-08-20 Thread Johnathan Corgan
On Tue, Aug 19, 2008 at 11:41 PM, Josh Blum <[EMAIL PROTECTED]> wrote: > The flickering issue is fixed in the trunk r9333. > > Certain machines defaulted to "single" buffering. Double buffering is now > explicitly enabled. > > cd gnuradio > cd gr-wxgui > svn up > sudo make install While this will

Re: [Discuss-gnuradio] How and where does history() function affect forecast() or the Scheduler's execution

2008-08-20 Thread Eric Blossom
On Tue, Aug 19, 2008 at 11:16:17PM -0500, Murtuza wrote: > Hi Friends > > I understand the idea behind using history() in the Gnuradio blocks but > there is one thing that I would like to know in order to understand the > rationale behind using it. I looked at 'gr_single_threaded_scheduler.cc' to

Re: [Discuss-gnuradio] upgrade the rds code to work on 3.1.2

2008-08-20 Thread Firas Abbas
Hi, > Dimitris Symeonidis wrote: >  > What would you think of creating a page on the gnuradio wiki to put all this information >  to make it available to others? I think there is always a need for such things, but the project is being developed so rapidly (which is technically great) in away t

Re: [Discuss-gnuradio] upgrade the rds code to work on 3.1.2

2008-08-20 Thread Dimitris Symeonidis
Thank you Firas (and thank you for the User Manual). What would you think of creating a page on the gnuradio wiki to put all this information, to make it available to others? I also found another one that needs replacing: from hier_block to hier_block2. But this one is more complicated, because als

[Discuss-gnuradio] GNU Radio Software Performance

2008-08-20 Thread isaacgerg
Does anyone have any performance metrics of the GNU Radio software for a given platform? Also, has anyone been able to demodulate GMSK in real time? Any feedback would be appreciated. Thanks in advance, Isaac -- View this message in context: http://www.nabble.com/GNU-Radio-Software-Performa

Re: [Discuss-gnuradio] upgrade the rds code to work on 3.1.2

2008-08-20 Thread Firas A.
Hi, > Dimitris Symeonidis wrote: > > Is there any guide to upgrading old code to work with the new GnuRadio > blocks? To convert to the new blocks just change the python words From: To: -- - fg

[Discuss-gnuradio] upgrade the rds code to work on 3.1.2

2008-08-20 Thread Dimitris Symeonidis
This is my first message to the lis.I have GnuRadio 3.1.2 running on Ubuntu. I have downloaded the RDS code from here: http://digilander.libero.it/iz2eeq/#rds The code does not work with 3.1.2, I have had to change gr.flow_graph to gr.top_block, blks to blks2, etc Is there any guide to upgrading