Re: [Discuss-gnuradio] [GSoC] Co-Processors Update #10

2014-08-20 Thread Alfredo Muniz
On Mon, Aug 18, 2014 at 1:42 PM, Alfredo Muniz mun...@seas.upenn.edu wrote: Expect one more update to mark the finishing of documentation on Friday. Philip requested that I do a summary of my findings before then so here goes. If we want GNU Radio to support a multitude of coprocessors we

[Discuss-gnuradio] [GSoC] Co-Processors Update #10

2014-08-18 Thread Alfredo Muniz
Hello all, Logistical: - Pencils down is upon us so the rest of the week will be spent on getting all my documentation in order. This includes cleaning the code on github, keystone2 wiki page http://gnuradio.org/redmine/projects/gnuradio/wiki/Keystone2 runtime wiki page

Re: [Discuss-gnuradio] [GSoC] Co-Processors Update #9

2014-08-11 Thread Alfredo Muniz
Hey Philip, nice to have you back. On Mon, Aug 11, 2014 at 10:06 AM, Philip Balister phi...@balister.org wrote: I doubt depending on contiguous memory will ever work for GNU Radio. I've heard a lot of talk about changing the guts of GNU Radio, but no real action. Especially given GNU Radios

Re: [Discuss-gnuradio] [GSoC] Co-Processors Update #9

2014-08-11 Thread Alfredo Muniz
On Mon, Aug 11, 2014 at 10:42 AM, Tom Tsou t...@tsou.cc wrote: The typical use case for the TCP is variable length packets up to a fixed maximum (6144 bits for LTE). Message passing is inherently a better fit and the double-mapped buffer probably shouldn't apply. This is a good point. How

[Discuss-gnuradio] [GSoC] Co-Processors Update #9

2014-08-08 Thread Alfredo Muniz
Hello all, Logistical: - coproc dev call is scheduled for August 12th at 2pm US central time - Next week is the last week of the program. I'll treat it like a usual week. After pencils down there is the last last week to clean things up and work on documentation so that's what I'll spend the last

[Discuss-gnuradio] [GSoC] Co-Processors Update #8

2014-07-31 Thread Alfredo Muniz
Hello all, Logistical: - We still need a date for the coproc dev call. Fill this out http://whenisgood.net/nbkn35s - GSoC pencils down is August 18th or 2.5 weeks from now. Time. Flies. Progress: - Last week I successfully tested the turbo decoder using a DSP only program. I figured out how I

Re: [Discuss-gnuradio] [GSoC] Co-Processors Update #7

2014-07-25 Thread Alfredo Muniz
On Thu, Jul 24, 2014 at 11:47 PM, Jan Krämer kraemer...@googlemail.com wrote: Hope this can help you. See you at GRCON! Thanks Jan! I kept googling lte turbo codes and all I found were research papers so got scared. The book will be helpful. See you at the con!

[Discuss-gnuradio] [GSoC] Co-Processors Update #7

2014-07-24 Thread Alfredo Muniz
Hello all, Logistical: - When is the next coproc call??? - Mentor Philip is on vacation for a few weeks :( Progress: - Bad news is that I've given up on the FFTC. The conflict of resources in the resource manager to get the queue manager subsystem running correctly between the ARM and DSP made

Re: [Discuss-gnuradio] gnuradio dataflow, buffering and scheduling

2014-07-24 Thread Alfredo Muniz
Anh, On Wed, Jul 23, 2014 at 8:22 PM, Anh Duc Nguyen ducn...@gmail.com wrote: It should be better if there are some references to guide us through the complicated codes such as the one Tom wrote, hopefully, there should be more similar presentations/documents like that. As part of my GSoC

Re: [Discuss-gnuradio] [GSoC] Co-Processors Update #7

2014-07-24 Thread Alfredo Muniz
On Thu, Jul 24, 2014 at 11:50 AM, Jonathan M. Smith j...@cis.upenn.edu wrote: Are there status flags you could use (e.g., fifo empty/full) to control resources in the FFTC context? Well, by resources I mean the permissions and segments of memory (queues, descriptors) set by the server for the

Re: [Discuss-gnuradio] [GSoC] Co-Processors Update #7

2014-07-24 Thread Alfredo Muniz
Thanks for your response Tom. I've been told you are the one to talk to about LTE stuff. On Thu, Jul 24, 2014 at 9:19 PM, Tom Tsou t...@tsou.cc wrote: Any thoughts on the next milestone? Currently I have everything working on the DSP through a compiled program that I load onto the DSP from

[Discuss-gnuradio] [GSoC] Co-Processors Update #6

2014-07-15 Thread Alfredo Muniz
Hello all, Logistical: - GSoC students don't forget to provide a quick update at the dev call July 17th 1700 UTC - One month left until pencils down Progress: - I was able to open the FFTC driver handle successfully so I can now send it data! I used a different approach that does communication

[Discuss-gnuradio] [GSoC] Co-Processors Update #5

2014-07-03 Thread Alfredo Muniz
Hello all, This update is past due. Progress: - Finally got the FFTC to initialize but having trouble sending it data. I suspect there is something wrong with my initialization configuration. I've been able to use devmem2 to see that bits are indeed flipping. Have to look through the QMSS

[Discuss-gnuradio] [GSoC] Co-Processors Update #4

2014-06-26 Thread Alfredo Muniz
Hello community, Sorry this update is so late. I spent about a week walking down the wrong path so I've been spending days and nights trying to get an actual update. Logistical: - Midterm evaluations due tomorrow - Coproc dev call tomorrow Progress: - In getting the FFTC to work, I followed the

[Discuss-gnuradio] [GSoC] Co-Processors Update #3

2014-06-16 Thread Alfredo Muniz
Hello all, Logistical: - 1/3 of the summer is gone! - Midterm evaluations are due at the end of next week (June 27). They are short so shouldn't affect progress at all. - Coproc dev call next week to get more ideas on GNU Radio integration. Time TBD: http://whenisgood.net/rhep54r Progress: - We

[Discuss-gnuradio] [GSoC] Co-Processors Update #2

2014-06-10 Thread Alfredo Muniz
Hello all, Logistical Updates: - Board arrived last Thursday Progress Updates: - GR. Most of last week was spent digging through gnuradio-runtime to understand where we can modify things to allow direct buffer manipulation. Played around with modifying trondeau's branch and guruofquality's

Re: [Discuss-gnuradio] QT Gui FFT resizing Segfault (was: Re: Can I use uhd_fft or gnu-radio to display the spectrum with adjustable frequency resolution)

2014-06-03 Thread Alfredo Muniz
On Tue, Jun 3, 2014 at 4:35 PM, Marcus Müller mar...@hostalia.de wrote: I hope someone more familiar with the qtgui infrastructure might chime in. Hey Marcus, Did you try debugging the SEGFAULT using gdb? This is a good reference to try: http://www.unknownroad.com/rtfm/gdbtut/gdbsegfault.html

[Discuss-gnuradio] [GSoC] Co-Processors Update #1

2014-06-02 Thread Alfredo Muniz
Hello everyone, Apologies for the delay in brining the update. There was a confusion with the hardware from TI and I was traveling the week GSoC started. Here are some brief points, for more detailed info please consult the wiki page: http://gnuradio.org/redmine/projects/gnuradio/wiki/Keystone2

Re: [Discuss-gnuradio] scheduler source code

2014-06-02 Thread Alfredo Muniz
On Mon, Jun 2, 2014 at 10:29 PM, Activecat active...@gmail.com wrote: Could you suggest to me which files I shall go through in sequence? Activecat, You can start with Tom's presentation about the scheduler located on his blog

Re: [Discuss-gnuradio] importing blocks to GRC

2014-05-28 Thread Alfredo Muniz
On Wed, May 28, 2014 at 1:01 PM, Pengyu Zhang zhange...@gmail.com wrote: After I executed the commands specified by the tutorial, I did not see any HOWTO blocks when I boot the GRC using $gnuradio-companion If all the tests pass then this usually means there is a problem with your xml files.

Re: [Discuss-gnuradio] importing blocks to GRC

2014-05-28 Thread Alfredo Muniz
On Wed, May 28, 2014 at 1:43 PM, Pengyu Zhang zhange...@gmail.com wrote: I still cannot see the block on GRC I'm assuming you're using ubuntu then. Check your python path echo $PYTHONPATH and ensure that you see the howto folder located there in the dist-packages

Re: [Discuss-gnuradio] importing blocks to GRC

2014-05-28 Thread Alfredo Muniz
On Wed, May 28, 2014 at 6:36 PM, Marcus D. Leech mle...@ripnet.com wrote: Setting users environment variables is unrelated to building software. That's right. I more wanted to make sure that the thing installed correctly. Pengyu, I downloaded your zip and rebuilt it on my machine with no

Re: [Discuss-gnuradio] howto example error

2014-05-22 Thread Alfredo Muniz
On Thu, May 22, 2014 at 2:25 PM, Pengyu Zhang zhange...@gmail.com wrote: Any idea how could I get over this problem? Looking through my howto files, I have that import line commented out but then again I was playing around with python only things.

Re: [Discuss-gnuradio] How to set multiple tabs in GRC

2014-05-10 Thread Alfredo Muniz
On Sat, May 10, 2014 at 5:24 AM, asad umer user0...@gmail.com wrote: I want to ask that how to set multiple tabs in GRC for FFT,waterfall,scope sink plots etc when a GRC flow graph is executed so that i can switch between tabs to see various plots?? Asad, As an example: In QT GUI Tab

[Discuss-gnuradio] [GSoC] Co-Processors Introduction + Wiki Page

2014-05-07 Thread Alfredo Muniz
Hello everybody, I've been selected for the GSoC project in using the keystone2 as a base to further develop coprocessor integration in gnuradio. My mentor is Philip Balister who mentored last year's coprocessor project with the Zynq. To track my progress and keep notes, I will use this wiki

Re: [Discuss-gnuradio] gqrx segfaults: rtlsdr_read_async returned with -5

2014-03-22 Thread Alfredo Muniz
Just updated everything and now both can coexist. I must've been running some old package somewhere. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] gqrx segfaults: rtlsdr_read_async returned with -5

2014-03-21 Thread Alfredo Muniz
I remember having this issue as well on my computer. I think there is some incompatibility with running gqrx and having gr-osmosdr installed. What I did was simply uninstall gr-osmosdr to run gqrx then reinstall it when I need to use gnuradio with the rtlsdr source. I haven't had time to debug

Re: [Discuss-gnuradio] how to use measurement tool

2014-03-08 Thread Alfredo Muniz
Hi Maheshkumar, To use the signal probe and the average message block you need to add a Function Probe block and a WX GUI Text Box block. For the Probe Signal block give it an ID. In Function Probe block - Assign it an ID, block ID should be ID of Probe Signal block, and function name should be

Re: [Discuss-gnuradio] constellation soft decoder

2013-12-15 Thread Alfredo Muniz
Seems like a strange error for C++. I usually get for loop errors with C where you can't declare variables in the for loop. Perhaps try to declare j outside the for loop. AM KC3BBL On Sun, Dec 15, 2013 at 7:05 PM, Miklos Maroti mmar...@math.u-szeged.huwrote: Hi Guys, Constellation soft

Re: [Discuss-gnuradio] Using gr-atsc library

2013-11-19 Thread Alfredo Muniz
Hi Yuri, I'm also fairly new but I can offer a suggestion. When you create a new OOT module, the gr_modtool does a couple of things mainly create some files and edit your CMakeLists and your meusBlocos.i. You already edited CMakeLists so now try to edit the meusBlocos.i in your swig folder to