Re: [Discuss-gnuradio] Again bladerf / gqrx / gr-osmosdr

2013-10-10 Thread Ralph A. Schmid, dk5ras
What is "directly"? J At least I can use it before updating all this stuff, GR can RX and TX just fine, but through GR-osmosdr. It looks to me that osmosdr may be the deeper involved in the problem, when not updating this one nothing wrong is happening. At the moment I am on latest revision wi

Re: [Discuss-gnuradio] Question about "extra" header

2013-10-10 Thread Tom Rondeau
On Thu, Oct 10, 2013 at 9:39 AM, Bennett, David S. (Scott) wrote: > I’m using the file_meta_sink to record time-stamped data, and I have a > question about the implementation of this block. I currently call it in > Python as follows: > > > > self.blocks_file_meta_sink_0 = blocks.file_meta_sink(gr

[Discuss-gnuradio] Costas loop lock?

2013-10-10 Thread tom sutherland
I am using a Costas loop for carrier recovery with QAM16 data. The carrier is only 2khz. The I/Q output of the Costas loop seems to track (the original sin/cos of the modulating carrier's Frequency & Phase) steadily for a long period (minutes) and then the Phase moves off, normally in +/-  45 or

[Discuss-gnuradio] (no subject)

2013-10-10 Thread Bijendra Singh
Hello everyone, Now I understand why most of the people get confused with the previous topic I'm talking about. By radio I mean tactical radio for communication, use in military communication. So my Question is, Is it possible to integrate AM tx waveform with FM rx waveform as a working flowgraph i

Re: [Discuss-gnuradio] Again bladerf / gqrx / gr-osmosdr

2013-10-10 Thread Jared Clements
Those look a lot like some errors I was getting a short while ago. They popped up while the compiler was at the linking stage. My errors were in the CMakeList.txt files, which were somewhat opaque to me. By elimination, can you verify that gnuradio can access your bladerf directly? Say a source

[Discuss-gnuradio] Async Packet Transmission with Unmodulated Carrier

2013-10-10 Thread Michael Berman
I am attempting to transmit asynchronous packets in a precise manor using time tags, and at the same time transmit an unmodulated carrier while there are no packets being sent. I am considering disconnecting the USRP sink from the packet path and connecting it to a signal source, however there are

Re: [Discuss-gnuradio] Again bladerf / gqrx / gr-osmosdr

2013-10-10 Thread Ralph A. Schmid, dk5ras
It stays the same, after uninstalling everything, pulling fresh repos, building and installing bladeref, gr-osmosdr and gqrx in this order the message when building gqrx remains /usr/local/lib/libgnuradio-osmosdr.so: undefined reference to `bladerf_fpga_version' /usr/local/lib/libgnuradio-osmosdr.

Re: [Discuss-gnuradio] Bug in freq_xlating_fir_filter_XXX

2013-10-10 Thread Tom Rondeau
On Thu, Oct 10, 2013 at 11:53 AM, Achilleas Anastasopoulos wrote: > I stand corrected. > Everything works fine with the new patch now! > > thanks for the help, > Achilleas Ok, updated, tested (with updated and improved QA code) and pushed. Also added a bit of an explanation to the build_composit

Re: [Discuss-gnuradio] Question over the Silder in GRC

2013-10-10 Thread Marcus Müller
Trying to figure that out, I went and had a look at the source code of the wxgui slider. In fact, it had a demo mode that could be accessed when just calling the python file as main: $python gr-wxgui/python/wxgui/slider.py However, that was broken, so I fixed it; pull request against master has

Re: [Discuss-gnuradio] Bug in freq_xlating_fir_filter_XXX

2013-10-10 Thread Achilleas Anastasopoulos
I stand corrected. Everything works fine with the new patch now! thanks for the help, Achilleas On Thu, Oct 10, 2013 at 11:22 AM, Tom Rondeau wrote: > On Wed, Oct 9, 2013 at 11:01 PM, Achilleas Anastasopoulos > wrote: > > I attach the patch for this correction > > (for some reason I cannot gi

Re: [Discuss-gnuradio] controlling flowgraph

2013-10-10 Thread Nemanja Savic
Ok, I have found button :), but the problem is now following. Part of my script looks like this: def aaa(a): global state state = 1 state = 1 data = [0] if __name__ == '__main__': parser = OptionParser(option_class=eng_option, usage="%prog: [options]") (options, args) = parser.par

Re: [Discuss-gnuradio] Bug in freq_xlating_fir_filter_XXX

2013-10-10 Thread Tom Rondeau
On Wed, Oct 9, 2013 at 11:01 PM, Achilleas Anastasopoulos wrote: > I attach the patch for this correction > (for some reason I cannot git push...) > > Achilleas Sorry for the delay getting back to you. I walked through the math myself but couldn't find where you were wrong, but I knew this patch

Re: [Discuss-gnuradio] Summary of embedded working group at GRCON13

2013-10-10 Thread Gregory Warnes
On Thu, Oct 10, 2013 at 10:46 AM, Tom Rondeau wrote: > The next big question is how is each GRWG going to be communicate with > each other. The Wiki is the best place for more permanent ideas and > documentation about each WG, but there needs to be a coordinated > effort for communicating among

Re: [Discuss-gnuradio] Question over the Silder in GRC

2013-10-10 Thread John
It sounds like when you say "in between" you mean the period of time from when the user stop dragging the slider and the next time they stop dragging the slider. In general, when people ask this question the area of focus is the period of time when they are dragging the slider. John _

Re: [Discuss-gnuradio] Summary of embedded working group at GRCON13

2013-10-10 Thread Tom Rondeau
On Thu, Oct 10, 2013 at 10:17 AM, Michael Dickens wrote: > Now that gnuradio.org is back up, we just need someone to populate the wiki > page on coprocessors ... I think the chair was from Sandia National Labs .. > don't remember his name now. I'll take a shot at this page in the next > couple

Re: [Discuss-gnuradio] Summary of embedded working group at GRCON13

2013-10-10 Thread Michael Dickens
Now that gnuradio.org is back up, we just need someone to populate the wiki page on coprocessors ... I think the chair was from Sandia National Labs .. don't remember his name now. I'll take a shot at this page in the next couple of days if nobody else gets there; quite a bit on my queue just r

Re: [Discuss-gnuradio] Question over the Silder in GRC

2013-10-10 Thread Baokun Liu
Thanks, Martin. In fact, the event would be triggered as imagined. I want to know whether each in-between value during moving the slider would be sent to USRP, and the USRP would react to each value? Does the value have to hold on for some time before the event is triggered? Thanks, Baokun On

[Discuss-gnuradio] Time synchronization between two USRPs without external signal

2013-10-10 Thread Harry Zhang
Hi, I have implemented time synchronization between two USRPs without GPSDO, MIMO cable or referring to computer's time.It's a sender-receiver method based on message exchange. It will be included in my next paper soon. I use the tx_time and tx_sob tag to transmit the message at the planned time. W

[Discuss-gnuradio] Question about "extra" header

2013-10-10 Thread Bennett, David S. (Scott)
I'm using the file_meta_sink to record time-stamped data, and I have a question about the implementation of this block. I currently call it in Python as follows: self.blocks_file_meta_sink_0 = blocks.file_meta_sink(gr.sizeof_short*2, self.dat_filename, samp_rate, 1, blocks.GR_FILE_SHORT, False

Re: [Discuss-gnuradio] Again bladerf / gqrx / gr-osmosdr

2013-10-10 Thread Brian Padalino
On Thu, Oct 10, 2013 at 1:52 AM, Ralph A. Schmid, dk5ras wrote: > Hi, > >> Looks like there is something missing from your libbladeRF.so. The >> repository shows they were added on October 2nd. Are you sure you're >> building the latest stuff? > > Should be the latest, when doing a git pull righ

Re: [Discuss-gnuradio] Summary of embedded working group at GRCON13

2013-10-10 Thread Michael Dickens
Excellent! Thanks for the link. - MLD On Oct 10, 2013, at 8:45 AM, Martin Braun (CEL) wrote: > Great idea! In fact, it's so good, it's already been implemented: > http://gnuradio.org/redmine/projects/gnuradio/wiki/GRCon13WG ___ Discuss-gnuradio mailin

Re: [Discuss-gnuradio] Radio interoperability

2013-10-10 Thread Marcus Müller
Hi Bijendra, I'm under the expression that Wayne has already supplied you with the idea of the AM tx flowgraph; it's your project, clicking together the flowgraph after his description is up to you ;) Well, if you need full-duplex, you will need two independent RX and two independent TX radio

Re: [Discuss-gnuradio] Summary of embedded working group at GRCON13

2013-10-10 Thread Martin Braun (CEL)
Great idea! In fact, it's so good, it's already been implemented: http://gnuradio.org/redmine/projects/gnuradio/wiki/GRCon13WG MB On Thu, Oct 10, 2013 at 08:02:22AM -0400, Michael Dickens wrote: > It is great to see some of the working group notes coming up for all to work > with on the GR wiki

Re: [Discuss-gnuradio] Summary of embedded working group at GRCON13

2013-10-10 Thread Michael Dickens
It is great to see some of the working group notes coming up for all to work with on the GR wiki. I'm thinking it would be great to see other working group notes doing the same. I know there's a page for GRC improvements, which maybe is related to the discussion group as well as the email and

[Discuss-gnuradio] Summary of embedded working group at GRCON13

2013-10-10 Thread Philip Balister
I've taken the notes we made on the board and put them on the wiki at: http://gnuradio.org/redmine/projects/gnuradio/wiki/GRCon13Embedded Please add you name to the attendee list and edit as needed. The next question is how do we keep the conversation going and how do we actually get the work do

[Discuss-gnuradio] controlling flowgraph

2013-10-10 Thread Nemanja Savic
Hi all guys, I wanted to implement a ask transmitter and a button for triggering transmition of a single frame of data. My idea was to do that with a sort of state machine and a button, but as far as i can see there is no button in wx gui blocks. How do uo usually do this? Many thanks, -- Neman

Re: [Discuss-gnuradio] Error in installation of gqrx

2013-10-10 Thread Alexandru Csete
On Thu, Oct 10, 2013 at 7:00 AM, Manu T S wrote: > Hi Alex, > > I am using PyBOMBS for installation. PyBOMBS installed GNU Radio(3.7) to a > local directory instead of /usr/local. In my case this directory is > "/home/manu/gr/target/". The files missing are there in > "/home/manu/gr/target/include

Re: [Discuss-gnuradio] Radio interoperability

2013-10-10 Thread Marcus Müller
Hi Bijendra, I, too, am confused. So let's try to understand what you are doing here! On 10/10/2013 10:39 AM, Bijendra Singh wrote: Well it is a project I'm working on. I am trying to receive an AM signal from HF radio Yes, so receiving amplitude modulated audio on a carrier somewhere between 3M

Re: [Discuss-gnuradio] Need for explanation of blocks in gnuradio

2013-10-10 Thread Sandhya G
Hi Marcus Thanks for the explanation.It really helped me Thanks and regards Sandhya On Thu, Oct 10, 2013 at 3:21 PM, Marcus Müller wrote: > Hi Sandhya, > > the official documentation for the frequency xlating fir filter ( > http://gnuradio.org/doc/**doxygen/classgr_1_1filter_1_*

Re: [Discuss-gnuradio] Need for explanation of blocks in gnuradio

2013-10-10 Thread Marcus Müller
Hi Sandhya, the official documentation for the frequency xlating fir filter (http://gnuradio.org/doc/doxygen/classgr_1_1filter_1_1freq__xlating__fir__filter__ccc.html) says: FIR filter combined with frequency translation with gr_complex input, gr_complex output and gr_complex taps. This clas

Re: [Discuss-gnuradio] FIL1 on WBX gdb

2013-10-10 Thread Simon IJskes
Sorry, wrong list. On 10-10-13 10:42, Simon IJskes wrote: Hi, i cannot find the value of the FIL1 component on the gdb from the WBX (v2). Could you give me the partnumber or specifications? Gr. Simon ___ Discuss-gnuradio mailing list Discuss-gnuradi

[Discuss-gnuradio] FIL1 on WBX gdb

2013-10-10 Thread Simon IJskes
Hi, i cannot find the value of the FIL1 component on the gdb from the WBX (v2). Could you give me the partnumber or specifications? Gr. Simon ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-g

Re: [Discuss-gnuradio] Radio interoperability

2013-10-10 Thread Bijendra Singh
Well it is a project I'm working on. I am trying to receive an AM signal from HF radio which will be provided in the usrp source in my gnu and will transmit a FM signal as output in the usrp sink which I'm trying to send it to the VHF radio. And vice versa. I'm using CNR-900 VHF radio which freq ra

Re: [Discuss-gnuradio] Radio interoperability

2013-10-10 Thread Martin Braun (CEL)
Hi Bijendra, it's not quite clear what your question is. A couple of things you might want to consider: - AM is per se noisy. A commercial HF receiver would also have much better filters than you can achieve with an LFRX-only setup, so expect much noise here - FM is much better with noise. -

Re: [Discuss-gnuradio] More "wishes" for GRC

2013-10-10 Thread Martin Braun (CEL)
On Wed, Oct 09, 2013 at 08:12:35PM -0400, Marcus D. Leech wrote: > [Ideas] Marcus, can you please add them to http://gnuradio.org/redmine/projects/gnuradio/wiki/GRCroadmap? Thanks, MB -- Karlsruhe Institute of Technology (KIT) Communications Engineering Lab (CEL) Dipl.-Ing. Martin Braun Resear

Re: [Discuss-gnuradio] Question over the Silder in GRC

2013-10-10 Thread Martin Braun (CEL)
On Wed, Oct 09, 2013 at 05:15:04PM -0400, Baokun Liu wrote: > Hi all, > > I am using USRP N210 and GRC. I have a question over changing a USRP > parameter using a slider in GRC. > > If I want to change the TX frequency from 2GHz to 4GHz using a slider, as > we know, during this process, the slide