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Re: [Discuss-gnuradio] Discuss-gnuradio Digest, Vol 169, Issue 13
From: |
Martin Braun |
Subject: |
Re: [Discuss-gnuradio] Discuss-gnuradio Digest, Vol 169, Issue 13 |
Date: |
Mon, 12 Dec 2016 10:31:38 -0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 |
Please don't respond to digest email.
Yes, they're both deprecated. You can take tx_ofdm.grc (and the
corresponding rx flow graph) and connect them to your hardware sink.
Cheers,
M
On 12/12/2016 10:14 AM, Qurat-Ul-Ann Akbar wrote:
> Hi Martin,
>
> Thanks for your response. Are benchmark_tx and benchmark_rx both
> deprecated ? And is there any example flowgraph which uses the
> ofdm_transmitter which I can use to send the data. I have a CS
> background and I do not know much about the signal processing at PHY
> layer in great detail.
>
> Best,
> Annie
>
> On Mon, Dec 12, 2016 at 11:00 AM, <address@hidden
> <mailto:address@hidden>> wrote:
>
> Send Discuss-gnuradio mailing list submissions to
> address@hidden <mailto:address@hidden>
>
> To subscribe or unsubscribe via the World Wide Web, visit
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>
> or, via email, send a message with subject or body 'help' to
> address@hidden
> <mailto:address@hidden>
>
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> <mailto:address@hidden>
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Discuss-gnuradio digest..."
>
>
> Today's Topics:
>
> 1. Re: [USRP-users] Deadline extended: FOSDEM 2017: SDR Track
> CfP (Martin Braun)
> 2. Re: Difference between examples/ofdm/benchmark_tx.py and
> examples/ofdm/tx_ofdm.py (Martin Braun)
> 3. RFNoC blocks in GRC (Vishwesh Rege)
> 4. reading uhd_rx_cfile data (Nikita Airee)
> 5. Re: RFNoC blocks in GRC (Nicolas Cuervo)
> 6. Re: RFNoC blocks in GRC (Vishwesh Rege)
> 7. Re: RFNoC blocks in GRC (Nicolas Cuervo)
> 8. Re: RFNoC blocks in GRC (Vishwesh Rege)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 11 Dec 2016 11:29:37 -0800
> From: Martin Braun <address@hidden <mailto:address@hidden>>
> To: "address@hidden <mailto:address@hidden>"
> <address@hidden <mailto:address@hidden>>,
> "'address@hidden
> <mailto:address@hidden>'" <address@hidden
> <mailto:address@hidden>>,
> address@hidden <mailto:address@hidden>
> Subject: Re: [Discuss-gnuradio] [USRP-users] Deadline extended: FOSDEM
> 2017: SDR Track CfP
> Message-ID: <address@hidden
> <mailto:address@hidden>>
> Content-Type: text/plain; charset=windows-1252
>
> Apologies for the double-post, but I completely forgot to give the new
> dates: We have extended the CfP by one week, until December 16th.
> However, we are alrady rating prior submissions, so early submitters get
> a preference. There are still some slots available though!
>
> Cheers,
> Martin
>
>
> On 12/10/2016 11:25 AM, Martin Braun via USRP-users wrote:
> > Dear friends and fans of software defined radio,
> >
> > the SDR track at next year's FOSDEM still has some slots left! We
> > already have a good mix of topics, but we still have some time for
> YOUR
> > presentation!
> >
> > If you have anything related to field of free software radio, please
> > head to:
> >
> > https://penta.fosdem.org/submission/FOSDEM17
> <https://penta.fosdem.org/submission/FOSDEM17>
> >
> > and submit your short abstract! We're looking very much forward to
> your
> > submission.
> >
> > For the committee,
> >
> > Martin Braun
> >
> > On 10/18/2016 03:27 PM, Martin Braun wrote:
> >> Dear friends and fans of software defined radio,
> >>
> >> next year's FOSDEM (the free and open source developer's meeting in
> >> Brussels, Europe) will, once again, feature a track on Software
> Defined
> >> Radio.
> >> Therefore, we invite developers and users from the free software
> radio
> >> community to join us for this track and present your talks or demos.
> >>
> >> Software Radio has become an important tool to allow anyone
> access the
> >> EM spectrum. Using free software radio libraries and applications and
> >> cheap hardware, anyone can now start hacking on wireless
> >> communications, remote sensing, radar or other applications. At
> FOSDEM,
> >> we hope to network all these projects and improve collaboration,
> bring
> >> new ideas forward and get more people involved.
> >>
> >> The track's web site resides at:
> >> http://gnuradio.org/redmine/projects/gnuradio/wiki/FOSDEM
> <http://gnuradio.org/redmine/projects/gnuradio/wiki/FOSDEM>
> >>
> >> Here, we will publish updates and announcements. The final
> schedule will
> >> be available through Pentabarf and the official FOSDEM website.
> >>
> >> ** Submit your presentations
> >>
> >> To suggest a talk, go to
> https://penta.fosdem.org/submission/FOSDEM16
> <https://penta.fosdem.org/submission/FOSDEM16>
> >> and follow the instructions (you need an account, but can use your
> >> account from last year if you have one). You need to create an
> 'Event';
> >> make sure it's in the Software Defined Radio track! Lengths aren't
> >> fixed, but give a realistic estimate and please don't exceed 30
> minutes
> >> unless you have something special planned (in that case, contact
> one of
> >> us). Also, don't forget to include time for Q&A.
> >>
> >> You aren't limited to slide presentations, of course. Be creative.
> >> However, FOSDEM is an open source conference, therefore we ask you to
> >> stay clear of marketing presentations. Of course, we like
> nitty-gritty
> >> technical stuff.
> >>
> >> Here's a list of topics that will most likely be included:
> >> - SDR Frameworks + Tools
> >> - Wireless security
> >> - Radio hardware
> >> - Telecommunications
> >> - Random fun wireless hacks
> >>
> >> We will reserve time for interactiveness, it won't all be talks.
> >>
> >> ** Important Dates
> >>
> >> FOSDEM is February 4th and 5th, 2017.
> >>
> >> * December 9th 2016: Submission Deadline
> >> * January 2nd 2017: Announcement of final schedule
> >> * February 4th 2017: SDR Track (Saturday)
> >>
> >> These dates are not set in stone. However, the least years we were
> >> always full to the brim with presentations, so if you want to
> present,
> >> please make sure to submit your abstracts soon!
> >>
> >> ** Steering Committee
> >>
> >> The track committee consists of:
> >> * Phil "catvideos" Balister (OpenEmbedded / OpenSDR)
> >> * Martin "mbr0wn" Braun (GNU Radio)
> >> * Sylvain "tnt" Munaut (OsmoCom)
> >>
> >> Hope to hear from you soon! And please forward this announcement.
> >>
> >> Martin
> >>
> >
> >
> > _______________________________________________
> > USRP-users mailing list
> > address@hidden <mailto:address@hidden>
> > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
> <http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com>
> >
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 11 Dec 2016 11:31:07 -0800
> From: Martin Braun <address@hidden
> <mailto:address@hidden>>
> To: address@hidden <mailto:address@hidden>
> Subject: Re: [Discuss-gnuradio] Difference between
> examples/ofdm/benchmark_tx.py and examples/ofdm/tx_ofdm.py
> Message-ID: <address@hidden
> <mailto:address@hidden>>
> Content-Type: text/plain; charset=windows-1252
>
> You can basically ignore benchmark_tx.py, it's deprecated, will be
> removed soon and uses old APIs.
>
> However, in an nutshell, benchmark_tx.py is a transmitter application,
> whereas tx_ofdm.grc is a GRC flowgraph that demonstrates the internals
> of the OFDM transmitter.
>
> Cheers,
> Martin
>
> On 12/09/2016 11:37 AM, Qurat-Ul-Ann Akbar wrote:
> > Hi,
> >
> > I am new to GNU Radio and I want to use OFDM to send signals at
> > frequency of around 2.4 GHz using USRP N210 with daughter board
> RFX2400.
> > I do not really understand the difference between benchmark_tx.py and
> > tx_ofdm.py. I know that benchmark runs with the USRP as well
> because it
> > has an option to transmit through USRP and tx_ofdm doesn't have a
> > uhd_block. But if I add the uhd_block as a sink in tx_ofdm.grc what is
> > the difference then between the two files ? And which one should I
> use ?
> >
> > Thank you,
> > Annie
> >
> >
> > _______________________________________________
> > Discuss-gnuradio mailing list
> > address@hidden <mailto:address@hidden>
> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>
> >
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Sun, 11 Dec 2016 23:16:39 -0800
> From: Vishwesh Rege <address@hidden <mailto:address@hidden>>
> To: address@hidden <mailto:address@hidden>
> Subject: [Discuss-gnuradio] RFNoC blocks in GRC
> Message-ID:
>
> <address@hidden
> <mailto:address@hidden>>
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
>
> I'm unable to view RFNoC blocks in gnuradio-companion (in the block
> list on
> the right side). Sometimes I can view them, under (unspecified) ? uhd ?
> rfnoc but sometimes I can't for some reason. I have sourced
> rfnoc/setup_env.sh which I believe had solved the problem
> previously. Does
> anyone know the solution?
>
> Any suggestions appreciated. Thanks.
>
> Vishwesh
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> ------------------------------
>
> Message: 4
> Date: Mon, 12 Dec 2016 14:44:47 +0530
> From: Nikita Airee <address@hidden <mailto:address@hidden>>
> To: address@hidden <mailto:address@hidden>
> Subject: [Discuss-gnuradio] reading uhd_rx_cfile data
> Message-ID:
>
> <address@hidden
> <mailto:address@hidden>>
> Content-Type: text/plain; charset="utf-8"
>
> Hello everyone!
>
> I am tryning to capure the IQ samples over the air to determine the
> noise
> floor at the given frequency.
>
> However, I have not been able to read the files uhd_rx_cfile creates. Is
> there a special utility/program in gnuradio or otherwise that I
> could use
> to read this data and separate the I and Q samples?
>
> Bests,
> Nikita
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> ------------------------------
>
> Message: 5
> Date: Mon, 12 Dec 2016 10:26:54 +0100
> From: Nicolas Cuervo <address@hidden
> <mailto:address@hidden>>
> To: Vishwesh Rege <address@hidden <mailto:address@hidden>>
> Cc: GNURadio Discussion List <address@hidden
> <mailto:address@hidden>>
> Subject: Re: [Discuss-gnuradio] RFNoC blocks in GRC
> Message-ID:
>
> <address@hidden
> <mailto:address@hidden>>
> Content-Type: text/plain; charset="utf-8"
>
> Hello Vishwesh,
>
> I believe that in this case it is only a matter of where the blocks are
> installed, and where grc is looking for them. When you install OOT
> modules
> (gr-ettus is itself an OOT module for RFNoC) it also has an installation
> path, where GRC is going to be looking for the blocks that are
> available,
> and the ones that are found are going to be listed there. I believe,
> from
> what you wrote in your email, that you are using PyBOMBS, and the
> PyBOMBS
> environment is really helpful in cases lake this one. Before setting
> up the
> environment it would be expected that the blocks are not found, as the
> enviromental variables that describe their location haven't been set. By
> sourcing the env, all the things that where installed with PyBOMBS are
> described with the environmental variables, and the the RFNoC blocks
> can be
> found.
>
> That is, you have to source your setup_env.sh every time that you
> want to
> use something from that given prefix. The reason why this is not done
> automatically (which is also the reason why it is not recommended to do
> so), is because you can set up multiple prefixes, each with a completely
> different configuration, which you can pull just by sourcing the
> setup_env.sh file.
>
> I hope this answers your question. Please let us know if further
> clarification is required.
>
> Cheers,
> -N
>
> On Mon, Dec 12, 2016 at 8:16 AM, Vishwesh Rege <address@hidden
> <mailto:address@hidden>> wrote:
>
> > Hi,
> >
> > I'm unable to view RFNoC blocks in gnuradio-companion (in the
> block list
> > on the right side). Sometimes I can view them, under (unspecified)
> ? uhd ?
> > rfnoc but sometimes I can't for some reason. I have sourced
> > rfnoc/setup_env.sh which I believe had solved the problem
> previously. Does
> > anyone know the solution?
> >
> > Any suggestions appreciated. Thanks.
> >
> > Vishwesh
> >
> >
> > _______________________________________________
> > Discuss-gnuradio mailing list
> > address@hidden <mailto:address@hidden>
> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>
> >
> >
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> ------------------------------
>
> Message: 6
> Date: Mon, 12 Dec 2016 01:44:31 -0800
> From: Vishwesh Rege <address@hidden <mailto:address@hidden>>
> To: Nicolas Cuervo <address@hidden
> <mailto:address@hidden>>
> Cc: GNURadio Discussion List <address@hidden
> <mailto:address@hidden>>
> Subject: Re: [Discuss-gnuradio] RFNoC blocks in GRC
> Message-ID:
>
> <address@hidden
> <mailto:address@hidden>>
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
>
> I understand but sourcing the setup_env.sh file isn't working for me
> unfortunately at this time. Previously on a different machine this
> was what
> seemed to have solved the issue.
> I did use PyBOMBS for installation, this is the exact sequence of
> commands:
> sudo pip install PyBOMBS
> pybombs recipes add gr-recipes git+https://github.com/
> gnuradio/gr-recipes.git
> pybombs recipes add ettus git+https://github.com/
> EttusResearch/ettus-pybombs.git
> pybombs prefix init ~/rfnoc -R rfnoc
> source ~/rfnoc/setup_env.sh
>
> and gnuradio using apt-get install...
>
> Thanks,
> Vishwesh
>
>
>
> On Mon, Dec 12, 2016 at 1:26 AM, Nicolas Cuervo
> <address@hidden <mailto:address@hidden>>
> wrote:
>
> > Hello Vishwesh,
> >
> > I believe that in this case it is only a matter of where the
> blocks are
> > installed, and where grc is looking for them. When you install OOT
> modules
> > (gr-ettus is itself an OOT module for RFNoC) it also has an
> installation
> > path, where GRC is going to be looking for the blocks that are
> available,
> > and the ones that are found are going to be listed there. I
> believe, from
> > what you wrote in your email, that you are using PyBOMBS, and the
> PyBOMBS
> > environment is really helpful in cases lake this one. Before
> setting up the
> > environment it would be expected that the blocks are not found, as the
> > enviromental variables that describe their location haven't been
> set. By
> > sourcing the env, all the things that where installed with PyBOMBS are
> > described with the environmental variables, and the the RFNoC
> blocks can be
> > found.
> >
> > That is, you have to source your setup_env.sh every time that you
> want to
> > use something from that given prefix. The reason why this is not done
> > automatically (which is also the reason why it is not recommended
> to do
> > so), is because you can set up multiple prefixes, each with a
> completely
> > different configuration, which you can pull just by sourcing the
> > setup_env.sh file.
> >
> > I hope this answers your question. Please let us know if further
> > clarification is required.
> >
> > Cheers,
> > -N
> >
> > On Mon, Dec 12, 2016 at 8:16 AM, Vishwesh Rege
> <address@hidden <mailto:address@hidden>>
> > wrote:
> >
> >> Hi,
> >>
> >> I'm unable to view RFNoC blocks in gnuradio-companion (in the
> block list
> >> on the right side). Sometimes I can view them, under
> (unspecified) ? uhd ?
> >> rfnoc but sometimes I can't for some reason. I have sourced
> >> rfnoc/setup_env.sh which I believe had solved the problem
> previously. Does
> >> anyone know the solution?
> >>
> >> Any suggestions appreciated. Thanks.
> >>
> >> Vishwesh
> >>
> >>
> >> _______________________________________________
> >> Discuss-gnuradio mailing list
> >> address@hidden <mailto:address@hidden>
> >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>
> >>
> >>
> >
>
>
> --
> Vishwesh Rege
> +1 (858) 729-4157
> <tel:%2B1%20%28858%29%20729-4157> <(858)%20729-4157> |
> address@hidden <mailto:address@hidden> |
> https://sites.google.com/site/vishweshrege
> <https://sites.google.com/site/vishweshrege>
> -------------- next part --------------
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> ------------------------------
>
> Message: 7
> Date: Mon, 12 Dec 2016 11:04:12 +0100
> From: Nicolas Cuervo <address@hidden
> <mailto:address@hidden>>
> To: Vishwesh Rege <address@hidden <mailto:address@hidden>>
> Cc: GNURadio Discussion List <address@hidden
> <mailto:address@hidden>>
> Subject: Re: [Discuss-gnuradio] RFNoC blocks in GRC
> Message-ID:
>
> <address@hidden
> <mailto:address@hidden>>
> Content-Type: text/plain; charset="utf-8"
>
> Hello Vishwesh,
>
> that recipe installs gnuradio in your path too. I believe that if
> you run
> grc from from that prefix, your blocks will be picked up. The
> gnuradio from
> the prefix has the env_var GRC_BLOCKS_DIR setup so that it is included
> within the PyBOMBS prefix.
>
> On the other hand, when you open the GRC that you installed via
> apt-get, at
> the top of your output, I would suspect that you get something like:
>
> Block paths:
> /usr/local/share/gnuradio/grc/blocks
>
> (or something alike), which is a system location and the stuff that you
> install and configure via PyBOMBS are not supposed to be installed
> there,
> but only in the prefix. If that is so, you'd have to reconfigure
> your grc
> to look for the path where your blocks are, or reconfigure your block
> installation path to install at the location where gnuradio is
> looking for
> them. Or use the grc that you installed with that recipe, which
> should just
> work.
>
> Is there a reason why you separately installed gnuradio from the package
> manager? As I said, you could use all the resources from the rfnoc.lwr
> recipe that you are using (which are UHD, GNURadio, gr-ettus and the
> fpga
> repo)
>
> Cheers,
> - N
>
> On Mon, Dec 12, 2016 at 10:44 AM, Vishwesh Rege <address@hidden
> <mailto:address@hidden>> wrote:
>
> > Hi,
> >
> > I understand but sourcing the setup_env.sh file isn't working for me
> > unfortunately at this time. Previously on a different machine this
> was what
> > seemed to have solved the issue.
> > I did use PyBOMBS for installation, this is the exact sequence of
> > commands:
> > sudo pip install PyBOMBS
> > pybombs recipes add gr-recipes git+https://github.com/gnuradi
> > o/gr-recipes.git
> > pybombs recipes add ettus git+https://github.com/EttusRe
> > search/ettus-pybombs.git
> > pybombs prefix init ~/rfnoc -R rfnoc
> > source ~/rfnoc/setup_env.sh
> >
> > and gnuradio using apt-get install...
> >
> > Thanks,
> > Vishwesh
> >
> >
> >
> > On Mon, Dec 12, 2016 at 1:26 AM, Nicolas Cuervo
> <address@hidden <mailto:address@hidden>>
> > wrote:
> >
> >> Hello Vishwesh,
> >>
> >> I believe that in this case it is only a matter of where the
> blocks are
> >> installed, and where grc is looking for them. When you install
> OOT modules
> >> (gr-ettus is itself an OOT module for RFNoC) it also has an
> installation
> >> path, where GRC is going to be looking for the blocks that are
> available,
> >> and the ones that are found are going to be listed there. I
> believe, from
> >> what you wrote in your email, that you are using PyBOMBS, and the
> PyBOMBS
> >> environment is really helpful in cases lake this one. Before
> setting up the
> >> environment it would be expected that the blocks are not found,
> as the
> >> enviromental variables that describe their location haven't been
> set. By
> >> sourcing the env, all the things that where installed with
> PyBOMBS are
> >> described with the environmental variables, and the the RFNoC
> blocks can be
> >> found.
> >>
> >> That is, you have to source your setup_env.sh every time that you
> want to
> >> use something from that given prefix. The reason why this is not done
> >> automatically (which is also the reason why it is not recommended
> to do
> >> so), is because you can set up multiple prefixes, each with a
> completely
> >> different configuration, which you can pull just by sourcing the
> >> setup_env.sh file.
> >>
> >> I hope this answers your question. Please let us know if further
> >> clarification is required.
> >>
> >> Cheers,
> >> -N
> >>
> >> On Mon, Dec 12, 2016 at 8:16 AM, Vishwesh Rege
> <address@hidden <mailto:address@hidden>>
> >> wrote:
> >>
> >>> Hi,
> >>>
> >>> I'm unable to view RFNoC blocks in gnuradio-companion (in the
> block list
> >>> on the right side). Sometimes I can view them, under
> (unspecified) ? uhd ?
> >>> rfnoc but sometimes I can't for some reason. I have sourced
> >>> rfnoc/setup_env.sh which I believe had solved the problem
> previously. Does
> >>> anyone know the solution?
> >>>
> >>> Any suggestions appreciated. Thanks.
> >>>
> >>> Vishwesh
> >>>
> >>>
> >>> _______________________________________________
> >>> Discuss-gnuradio mailing list
> >>> address@hidden <mailto:address@hidden>
> >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>
> >>>
> >>>
> >>
> >
> >
> > --
> > Vishwesh Rege
> > +1 (858) 729-4157 <tel:%2B1%20%28858%29%20729-4157>
> <(858)%20729-4157> | address@hidden <mailto:address@hidden> |
> > https://sites.google.com/site/vishweshrege
> <https://sites.google.com/site/vishweshrege>
> >
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> ------------------------------
>
> Message: 8
> Date: Mon, 12 Dec 2016 02:42:42 -0800
> From: Vishwesh Rege <address@hidden <mailto:address@hidden>>
> To: Nicolas Cuervo <address@hidden
> <mailto:address@hidden>>
> Cc: GNURadio Discussion List <address@hidden
> <mailto:address@hidden>>
> Subject: Re: [Discuss-gnuradio] RFNoC blocks in GRC
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>
> <address@hidden
> <mailto:address@hidden>>
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>
> Hi,
>
> Sorry but I don't know what you mean by "reconfigure your grc to
> look for
> the path where your blocks are, or reconfigure your block
> installation path
> to install at the location where gnuradio is looking for them. Or
> use the
> grc that you installed with that recipe"... as in the steps to do that?
>
> I installed gnuradio separately because gnuradio-companion wasn't
> running
> (command not found error) when I tried to execute it from the
> command line.
>
> Thanks,
> Vishwesh
>
>
>
> On Mon, Dec 12, 2016 at 2:04 AM, Nicolas Cuervo
> <address@hidden <mailto:address@hidden>>
> wrote:
>
> > Hello Vishwesh,
> >
> > that recipe installs gnuradio in your path too. I believe that if
> you run
> > grc from from that prefix, your blocks will be picked up. The
> gnuradio from
> > the prefix has the env_var GRC_BLOCKS_DIR setup so that it is included
> > within the PyBOMBS prefix.
> >
> > On the other hand, when you open the GRC that you installed via
> apt-get,
> > at the top of your output, I would suspect that you get something
> like:
> >
> > Block paths:
> > /usr/local/share/gnuradio/grc/blocks
> >
> > (or something alike), which is a system location and the stuff
> that you
> > install and configure via PyBOMBS are not supposed to be installed
> there,
> > but only in the prefix. If that is so, you'd have to reconfigure
> your grc
> > to look for the path where your blocks are, or reconfigure your block
> > installation path to install at the location where gnuradio is
> looking for
> > them. Or use the grc that you installed with that recipe, which
> should just
> > work.
> >
> > Is there a reason why you separately installed gnuradio from the
> package
> > manager? As I said, you could use all the resources from the rfnoc.lwr
> > recipe that you are using (which are UHD, GNURadio, gr-ettus and
> the fpga
> > repo)
> >
> > Cheers,
> > - N
> >
> > On Mon, Dec 12, 2016 at 10:44 AM, Vishwesh Rege
> <address@hidden <mailto:address@hidden>>
> > wrote:
> >
> >> Hi,
> >>
> >> I understand but sourcing the setup_env.sh file isn't working for me
> >> unfortunately at this time. Previously on a different machine
> this was what
> >> seemed to have solved the issue.
> >> I did use PyBOMBS for installation, this is the exact sequence of
> >> commands:
> >> sudo pip install PyBOMBS
> >> pybombs recipes add gr-recipes git+https://github.com/gnuradi
> >> o/gr-recipes.git
> >> pybombs recipes add ettus git+https://github.com/EttusRe
> >> search/ettus-pybombs.git
> >> pybombs prefix init ~/rfnoc -R rfnoc
> >> source ~/rfnoc/setup_env.sh
> >>
> >> and gnuradio using apt-get install...
> >>
> >> Thanks,
> >> Vishwesh
> >>
> >>
> >>
> >> On Mon, Dec 12, 2016 at 1:26 AM, Nicolas Cuervo
> <address@hidden <mailto:address@hidden>
> >> > wrote:
> >>
> >>> Hello Vishwesh,
> >>>
> >>> I believe that in this case it is only a matter of where the
> blocks are
> >>> installed, and where grc is looking for them. When you install
> OOT modules
> >>> (gr-ettus is itself an OOT module for RFNoC) it also has an
> installation
> >>> path, where GRC is going to be looking for the blocks that are
> available,
> >>> and the ones that are found are going to be listed there. I
> believe, from
> >>> what you wrote in your email, that you are using PyBOMBS, and
> the PyBOMBS
> >>> environment is really helpful in cases lake this one. Before
> setting up the
> >>> environment it would be expected that the blocks are not found,
> as the
> >>> enviromental variables that describe their location haven't been
> set. By
> >>> sourcing the env, all the things that where installed with
> PyBOMBS are
> >>> described with the environmental variables, and the the RFNoC
> blocks can be
> >>> found.
> >>>
> >>> That is, you have to source your setup_env.sh every time that
> you want
> >>> to use something from that given prefix. The reason why this is
> not done
> >>> automatically (which is also the reason why it is not
> recommended to do
> >>> so), is because you can set up multiple prefixes, each with a
> completely
> >>> different configuration, which you can pull just by sourcing the
> >>> setup_env.sh file.
> >>>
> >>> I hope this answers your question. Please let us know if further
> >>> clarification is required.
> >>>
> >>> Cheers,
> >>> -N
> >>>
> >>> On Mon, Dec 12, 2016 at 8:16 AM, Vishwesh Rege
> <address@hidden <mailto:address@hidden>>
> >>> wrote:
> >>>
> >>>> Hi,
> >>>>
> >>>> I'm unable to view RFNoC blocks in gnuradio-companion (in the block
> >>>> list on the right side). Sometimes I can view them, under
> (unspecified) ?
> >>>> uhd ? rfnoc but sometimes I can't for some reason. I have sourced
> >>>> rfnoc/setup_env.sh which I believe had solved the problem
> previously. Does
> >>>> anyone know the solution?
> >>>>
> >>>> Any suggestions appreciated. Thanks.
> >>>>
> >>>> Vishwesh
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> Discuss-gnuradio mailing list
> >>>> address@hidden <mailto:address@hidden>
> >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio>
> >>>>
> >>>>
> >>>
> >>
> >>
> >> --
> >> Vishwesh Rege
> >> +1 (858) 729-4157 <tel:%2B1%20%28858%29%20729-4157>
> <(858)%20729-4157> | address@hidden <mailto:address@hidden> |
> >> https://sites.google.com/site/vishweshrege
> <https://sites.google.com/site/vishweshrege>
> >>
> >
> >
>
>
> --
> Vishwesh Rege
> +1 (858) 729-4157 <tel:%2B1%20%28858%29%20729-4157> | address@hidden
> <mailto:address@hidden> |
> https://sites.google.com/site/vishweshrege
> <https://sites.google.com/site/vishweshrege>
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