Re: [Discuss-gnuradio] custom work function gets into an endless loop

Hi Martin and Sylvain, I obviously didn't understand the forecast function properly but with your help it works now. I tried both: set_output_multiple & a correct forecast() and set_output_multiple & set_relative_rate both approaches worked as expected :) What threw me off was that I had

Re: [Discuss-gnuradio] custom work function gets into an endless loop

> /void > bbframer_bb_impl::forecast (int noutput_items, gr_vector_int > _items_required) > { > ninput_items_required[0] = ((noutput_items - 32) / 8); // 32 bit > postamble > }/ You should make sure forecast can never return <0 or even ==0 numbers. Returning 0 means you

Re: [Discuss-gnuradio] On the convolutional code performance of gr-ieee802-11

Thank you all of you who have answered to my questions. I am sorry for anwering too late. I'll try as many solutions as you suggested and will let you know how I will have implemented it. Regards, Jeon. 2015-09-22 23:31 GMT+09:00 Jan Krämer : > Hi all, > > my repo is here

[Discuss-gnuradio] GRC python block

Good day every one Ive been working on the creating a python block. Ive worked through the tutorial and my block passes make test. However when I try make install. I get an error with the /lib/_impl.cc file. Do I need to link the python block in this file and if so is there some where I can read

Re: [Discuss-gnuradio] CDMA

OK, now tell us which directory is your gr-cdma downloaded to? Ie, when you did > git clone https://github.com/anastas/gr-cdma.git where was this downloaded to? Achilleas On Mon, Sep 28, 2015 at 3:47 PM, alfred noble wrote: > Thank you for your immediate respond >

[Discuss-gnuradio] OOT Module & Epiphany SDK (Parallella Board)

Hi list. I started the journey of trying to write an OOT module containing functions of the Epiphany SDK. So over my parallella board I compiled GNU Radio and I created an OOT module called Epiphany and then I created a block called toggle, with the idea of turn on and off a led from an epiphany

Re: [Discuss-gnuradio] UDP Sink Size Limit - ERROR: send error:send_to: Message too long

On 09/28/2015 05:14 AM, David Halls wrote: ​Thanks for your reply Marcus, but does that mean there is no way around the problem? Regards, David Naked UDP provides no framing overlay, which means you are limited to MTU-sized packets. You should perhaps look into either using TCP,

Re: [Discuss-gnuradio] GRC python block

On 28.09.2015 03:07, Chad R wrote: > Good day every one > > Ive been working on the creating a python block. > Ive worked through the tutorial and my block passes make test. However > when I try make install. I get an error with the /lib/_impl.cc file. Do > I need to link the python block in this

Re: [Discuss-gnuradio] Questions about burst communication

My guess is no, the receiver doesn't have its own thread, because I'm not sure how to tell. On Fri, Sep 25, 2015 at 11:21 AM, Martin Braun wrote: > On 24.09.2015 16:31, lwas...@ostatemail.okstate.edu wrote: > > Julian and Martin, > > > > Typically 2 U's appear then a

Re: [Discuss-gnuradio] CDMA

open a python interpreter > python and write >>> from cdma import cdma_parameters as cp WHAT DO YOU GET? if you get an error, ie, something like: Traceback (most recent call last): File "", line 1, in ImportError: No module named cdma Then you have not set correctly the PYTHONPATH in

[Discuss-gnuradio] CDMA

Thank you for your immediate respond the variable "prefix" in my cdma_parameters.py has the following value . prefix="/home/gr-cdma" # put the prefix of your gr-cdma trunk I opened that file and searched for the word "prefix" using Ctrl + f shortcut then I attached that file below . will be

Re: [Discuss-gnuradio] custom work function gets into an endless loop

On 27.09.2015 15:25, Kolya wrote: > Hi, > > I'm trying to build a custom block that takes in a stream of input samples > and simply adds a postamble of 32bits every 352 bits. The package structure > is illustrated below (payload_bits = msg_bits+postamble_bits): >

Re: [Discuss-gnuradio] CDMA

Clearly, you have an issue with importing the cdma module into python. Can you tell me what is the value of the variable "prefix" in your cdma_parameters.py file? (you can find it in gr-cdma/python/ directory) Achilleas On Mon, Sep 28, 2015 at 2:47 PM, alfred noble

[Discuss-gnuradio] CDMA

Thanks I opened the terminal in gr-cdma folder and ran the following command "python" after that I ran this : "from cdma import cdma_parameters as cp" as you told me , I received this , CDMA PARAMETERS : for adaptive modulation bits_per_header= 36 symbols_per_header= 36 Traceback (most recent

[Discuss-gnuradio] GNU Radio Companion error: segmentation fault (core dumped)

I am trying to follow the steps for the tutorials for GNU radio - at one point I'm instructed to install/build/run the "Companion" http://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorial_GRC All's fine, until: $ gnuradio-companion I get thrown the error: Segmentation fault

[Discuss-gnuradio] GRC qtgui_sink "Clicked Freq Variable" not working.

Hello, this is my first post to the mailing list! Thanks in advance for taking the time to help me out! I'm using gnuradio v3.7.6git and Ubuntu 12.04 I am having issues with the "Clicked Freq Variable" option in the qtgui_sink block in GRC. If I understand this correctly, it should basically act

[Discuss-gnuradio] Eleventh Cyberspectrum SDR Meetup this Wed (30th Sept)

Dear all, Announcing the eleventh Cyberspectrum meetup at Noisebridge in San Francisco! Come along at 6:30pm for a 7pm sharp kickoff in the Hackatorium, and for those unable to attend we'll set up a live stream like last time (stay tuned to the event's page/Twitter for more info closer to the

Re: [Discuss-gnuradio] UDP Sink Size Limit - ERROR: send error:send_to: Message too long

?Thanks for your reply Marcus, but does that mean there is no way around the problem? Regards, David From: mle...@ripnet.com Sent: 25 September 2015 20:24 To: Andy Walls Cc: David Halls; discuss-gnuradio@gnu.org;