Re: [Discuss-gnuradio] PyBOMBS install gnuradio 3.7.4

2014-05-20 Thread Activecat
On Tue, May 20, 2014 at 11:06 AM, Activecat active...@gmail.com wrote: I've just reinstalled gnuradio yesterday, using PyBOMBS. The newly installed version is gnuradio 3.7.4. The installation succeeded, but it then failed to compile my custom module which worked flawlessly with previous

Re: [Discuss-gnuradio] PyBOMBS install gnuradio 3.7.4

2014-05-20 Thread Martin Braun
On 20.05.2014 09:58, Activecat wrote: Note: During PyBOMBS install wizard, we are prompted for prefix, which defaults to ../target If we just press ENTER to accept the default value, then the prefix becomes something like /home/user1/download/gnuradio/target. But regardless of what has been

Re: [Discuss-gnuradio] Frame delay synchronization issue

2014-05-20 Thread Martin Braun
On 19.05.2014 13:23, Irfan Ullah wrote: Hi all, I am using QPSK Mod and demod I have issue of how to synchronize my frame means how to remove delays from my received data in using GRC block my flow graph is attached with this mail. I am trying to use packet encoder and decoder for frame

Re: [Discuss-gnuradio] A question about function gr::block::set_history()

2014-05-20 Thread Martin Braun
On 19.05.2014 17:48, Kun Qian wrote: Thank you for your quick answer! I think I get how gnuradio works with history from your slides: 1. When flowgraph starts, the read pointer of input buffer is set history()-1 items back. 2. After calling work()/general_work() function, gnuradio scheduler get

Re: [Discuss-gnuradio] PyBOMBS install gnuradio 3.7.4

2014-05-20 Thread Activecat
On Tue, May 20, 2014 at 4:29 PM, Martin Braun martin.br...@ettus.comwrote: FYI, I don't like installing stuff to /usr/local. If you take PyBombs' directory, and then use -DCMAKE_INSTALL_PREFIX on your own OOT, that'll make both work and you don't have to screw around in your system's dirs. M

Re: [Discuss-gnuradio] PyBOMBS install gnuradio 3.7.4

2014-05-20 Thread Activecat
On Tue, May 20, 2014 at 5:15 PM, Activecat active...@gmail.com wrote: In this case we execute cmake -DCMAKE_INSTALL_PREFIX=/home/user1/download/gnuradio/target ../ in the OOT build directory. Is there any way to hard code this install_prefix into the OOT setting file, so that we just need

[Discuss-gnuradio] MIMO

2014-05-20 Thread xianda
Hello all: Recently the development of the MIMO has been the focus of intensive research.Any example codes about the MIMO(OFDM) to give someone like me a chance to get start? Thank you. Best regards ___ Discuss-gnuradio

[Discuss-gnuradio] Extra line in a module with python blocks

2014-05-20 Thread Michal Jakubiak
Hi there, I'm writing an OOT module. For now, the only block I've made is written in Python. I follow the guide and everythins is ok until I run the top_block and get this error: File /usr/local/lib/python2.7/dist-packages/mavlink/__init__.py, line 45, in module from mavlink_swig import *

Re: [Discuss-gnuradio] Error building with new ZMQ

2014-05-20 Thread Michael Dickens
Yes, that's what the issue is: YA dependency! Thanks for your prompt feedback! I'll look into creating a cppzmq port, since one does not currently exist. We'll need to add CMake support for checking for this dependency, too. - MLD On May 19, 2014, at 10:39 PM, Ben Rosenbloom

Re: [Discuss-gnuradio] Facebook

2014-05-20 Thread Matthew Biederman
I hope the listserv will continue to also serve that purpose for those of us not entwined within the Facebook ecosystem (yes there are some of us out there) -matthew On May 20, 2014, at 1:05 AM, Mostafa Alizadeh m.alizade...@gmail.com wrote: Hi everybody, To be more communicative, we'v

Re: [Discuss-gnuradio] Facebook

2014-05-20 Thread Tom Rondeau
On Tue, May 20, 2014 at 9:05 AM, Matthew Biederman m...@mbiederman.comwrote: I hope the listserv will continue to also serve that purpose for those of us not entwined within the Facebook ecosystem (yes there are some of us out there) -matthew Matthew, Please read Martin's response. The

Re: [Discuss-gnuradio] Extra line in a module with python blocks

2014-05-20 Thread Tom Rondeau
On Tue, May 20, 2014 at 8:26 AM, Michal Jakubiak meho...@gmail.com wrote: Hi there, I'm writing an OOT module. For now, the only block I've made is written in Python. I follow the guide and everythins is ok until I run the top_block and get this error: File

Re: [Discuss-gnuradio] Frame delay synchronization issue

2014-05-20 Thread Tom Rondeau
On Tue, May 20, 2014 at 5:06 AM, Martin Braun martin.br...@ettus.comwrote: On 19.05.2014 13:23, Irfan Ullah wrote: Hi all, I am using QPSK Mod and demod I have issue of how to synchronize my frame means how to remove delays from my received data in using GRC block my flow graph is

Re: [Discuss-gnuradio] Facebook

2014-05-20 Thread Tom Rondeau
On Tue, May 20, 2014 at 9:11 AM, Tom Rondeau t...@trondeau.com wrote: On Tue, May 20, 2014 at 9:05 AM, Matthew Biederman m...@mbiederman.comwrote: I hope the listserv will continue to also serve that purpose for those of us not entwined within the Facebook ecosystem (yes there are some of us

Re: [Discuss-gnuradio] Facebook

2014-05-20 Thread Martin Braun
Hey Mostafa, I'm always happy to see people participating in this community, and trying to add to its value. Without volunteers, we'd be pretty useless. Still, I have to add a couple of things to this: * We used to have a Facebook group, which was taken down due to lack of interest. It

Re: [Discuss-gnuradio] Facebook

2014-05-20 Thread Marcus Müller
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, as a single, small, sometimes lost, developer, I ask you: please don't open side channels on your own. A lot of us have been around this mailing list for a very long time, and we try to keep information as concentrated as possible. Already now

[Discuss-gnuradio] [Volk WG] Meeting Tuesday June 3

2014-05-20 Thread West, Nathan
Hi all, Mark your calendars if you're interested in joining a call to discuss VOLK-things. Agenda is in the works. Date: Tuesday June 3 @ 1PM EST; 5PM UTC. Nathan ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org

Re: [Discuss-gnuradio] Extra line in a module with python blocks

2014-05-20 Thread Marcus Müller
Hi Tom, hi Michael, jep, fixed that, and my pull request was recently merged (thanks, jcorgan ;) ). Sadly, the fix only applies to new modules, but the fix is basically the same as commenting that line out. Instead of commenting it out, you can be safe that your module will also respect C++

Re: [Discuss-gnuradio] Random number of output items

2014-05-20 Thread Francois Gervais
Thanks Activecat you actually answered quite well to my question. I thought it might be better to send 0s, i'm glad you confirmed that. And thanks for the output algorithm. Could you tell me more about forecast? Most of the time I need 8 input samples to produce one byte output so I set the

Re: [Discuss-gnuradio] [Volk WG] Meeting Tuesday June 3

2014-05-20 Thread Martin Braun
On 20.05.2014 15:36, West, Nathan wrote: Hi all, Mark your calendars if you're interested in joining a call to discuss VOLK-things. Agenda is in the works. Date: Tuesday June 3 @ 1PM EST; 5PM UTC. I've added this to our G+ page, if you click join it'll do the tz math and add it your

Re: [Discuss-gnuradio] Random number of output items

2014-05-20 Thread Marcus Müller
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi Francois, as Activecat, I'm kind of having a hard time understanidng your requirements. If you're emulating a hardware signal source, go for the source approach. If you're basically taking input from anywhere and packing it into packets of varying

Re: [Discuss-gnuradio] Random number of output items

2014-05-20 Thread Francois Gervais
Sorry about that I'll try to clarify thing. I'm using an rtl-sdr adapter to receive an RF signal. I demodulate it and send it through the MM clock recovery and bit slicer. Then the binary signal enters the block I'm talking about here. This block find a valid packet by matching the preamble and

Re: [Discuss-gnuradio] Random number of output items

2014-05-20 Thread Marcus Müller
Hi, PDU blocks are a *type* of blocks. Basically, you tag your sample stream so that the blocks downstream know how long your packet is. The tagged stream infrastructure is an innovation meant to simplify the design of blocks dealing with packetized data. Lool in the gr-digital/examples subfolder

Re: [Discuss-gnuradio] Random number of output items

2014-05-20 Thread Francois Gervais
Thanks I'll take a closer look. On Tue, May 20, 2014 at 10:34 AM, Marcus Müller marcus.muel...@ettus.comwrote: Hi, PDU blocks are a *type* of blocks. Basically, you tag your sample stream so that the blocks downstream know how long your packet is. The tagged stream infrastructure is an

[Discuss-gnuradio] Building error of GNURadio 3.7.2

2014-05-20 Thread mohamedx
Hi everyone, I've tried to build GNRadio 3.7.2.1 from source, when I came to make step I've received two strange error, you find hereafter what it looks like: *** [ 13%] Generating python docstrings for

Re: [Discuss-gnuradio] Building error of GNURadio 3.7.2

2014-05-20 Thread Tom Rondeau
On Tue, May 20, 2014 at 11:47 AM, mohamedx mohamed.abouz...@gmail.comwrote: Hi everyone, I've tried to build GNRadio 3.7.2.1 from source, when I came to make step I've received two strange error, you find hereafter what it looks like:

Re: [Discuss-gnuradio] problem with qt constellation block

2014-05-20 Thread Tom Rondeau
On Mon, May 19, 2014 at 2:46 PM, zielalaoui z.i.elala...@gmail.com wrote: Hi All, I'm trying to built a system with several digital modulations. First, I should be able to print constellations by using qt constellation block. I started by creating a simple flowgraph with two modulations. That

Re: [Discuss-gnuradio] Random number of output items

2014-05-20 Thread Francois Gervais
Hi Marcus, I'm not sure about the steps required to translate the bit stream from the RF receiver into a tagged stream. I looked at the ofdm_rx example and from what I understand I'll need a first block that takes the output of the demod/Clock Recovery/bit slicer and find the packets inside the

Re: [Discuss-gnuradio] Facebook

2014-05-20 Thread Mostafa Alizadeh
Hi Martin, I must explain more about the page in order to avoid these questions. However, I'm gonna clarify. First of all, I didn't know you have similar page of GNURadio on Facebook before and I don't know why the people didn't pay attention to that. Secondly, I don't want to distract you from

Re: [Discuss-gnuradio] Facebook

2014-05-20 Thread Michael Dickens
I won't repeat what has already been written by others, but I will agree with them that my primary means of GR related help and discussion is this email list, IRC, and personal emails. My Facebook account is not used for work purposes, and I have no use for a work FB account; so, I won't be

Re: [Discuss-gnuradio] Facebook

2014-05-20 Thread Mostafa Alizadeh
Hi dear Marcus, I didn't really want to move attention from here to other places! The GNURadio website didn't constructed informative. I mean any updates to the website do not appear for GNURadio followers. At least one of the Facebook advantages is its real-time interactions and communications.

[Discuss-gnuradio] For Sale: USRP N210 w/daughterboards

2014-05-20 Thread Dean Ferraro
Hi all, I'm selling my USRP N210 setup. Includes: Ettus USRP N210 BasicTX Daughterboard 1-250 MHz Tx. BasicRX Daughterboard 1-250 MHz Rx. LFRX Daughterboard 0-30 MHz Rx. WBX 50-2200 MHz Rx/Tx. XCVR2450 2.4-2.5 GHz, 4.9-5.9 GHz Tx/Rx. Power adapter. Additional bulk head cables. Cable for MIMO

Re: [Discuss-gnuradio] OutOfTree Module Tutorial

2014-05-20 Thread rishabhdabral
No, your version is not compatible. You can either change your version. Or, try the following change: In your code, instead of using /blocks.vector_source_f()/ use /gr.vector_source_f()/ Apply this change to both, the source as well as sink definition. HTH, Rishabh Dabral -- View this

[Discuss-gnuradio] Hierarchical Block Installation Source

2014-05-20 Thread Jonathan Fox
This may be a dumb question but where do the custom hierarchical blocks generated in GRC get installed too? ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Random number of output items

2014-05-20 Thread Activecat
On Tue, May 20, 2014 at 10:23 PM, Francois Gervais francoisgerv...@gmail.com wrote: Sorry about that I'll try to clarify thing. I'm using an rtl-sdr adapter to receive an RF signal. I demodulate it and send it through the MM clock recovery and bit slicer. Then the binary signal enters the