try tb1.start() and tb2.start(). That should run them in separate threads.
Mike
On Mon, Jun 20, 2011 at 6:34 AM, smith mark wrote:
> Hi all,
> I wanted to know that whether one can have multiple gr.top_block() or not?
> for example
> tb1=gr.top_block()
> tb2=gr.top_block()
> tb1.run()
> tb2.run(
an antenna on both
ports and report back. If you have any other advice though, I'd love
to hear it.
Mike
On Thu, Jun 2, 2011 at 8:10 AM, Marcus D. Leech wrote:
> On 06/02/2011 07:10 AM, Mike Clark wrote:
>> This comes from a discussion over on the USRP-users mailing list, but
&g
This comes from a discussion over on the USRP-users mailing list, but
I felt it would be more appropriate to post here. Over on that list,
someone was asking about problems they were having consistently
receiving data on their USRP. My background is in CS, not RF comms, so
please forgive me as I'm
I have an N210 (UHD) hooked to a switch. It works just fine. I think
the reason it is recommended to hook it directly to the computer doing
the processing is that a switch will have a limit as to how much data
can go through it at any time. So you probably shouldn't have 10 USRPs
hooked to the same
That is where ever you checked the repository out to. So if I am in my
home directory (/home/me/) and I ran the git command to checkout the
repository, would be /home/me/uhd/. The same is true
if you downloaded the archive (zip or tar.gz)
Mike
On Fri, Apr 29, 2011 at 8:05 PM, Nakajo Tomoyuki wr
I recently started using the USRP at work, so I thought I'd share a few
things. Obviously python is important (http://diveintopython.org/ is a good
resource). To learn the basics of how gnuradio works, it helped me to use
gnuradio-companion. So what I would do is put together some blocks in grc
and
> Do your mean PYTHONPATH or just system search path?
> I have set my block path as the PYTHONPATH in ~/.profile, but it still
> cannot work. Is there a way to check whether the path is set appropriately?
You are in linux I presume? "echo $PYTHONPATH" (without quotes) should
tell you what your py
> Are you sure you're really using TX/RX for receive? As the link Josh
> supplied says "The user may set the receive antenna to be TX/RX or RX2.
> However, when using an RFX board in full-duplex mode, the receive antenna
> will always be set to RX2, regardless of the settings."
As far as I know,
> I might suggest:
> 1) shut off the demodulation in software when transmitting.
> 2) transmit and receive on different frequencies.
> 3) reject the received packet at the mac layer
>
Thanks for the info. I wasn't sure how to shut off demodulation in
software. I ended up finding the "valve" block
I just got my shiny new N210's last week. I've setup UHD and GnuRadio
from GIT. I've done some simple tests and have been able to transmit
data from one N210 to the other. Today I started working on
bidirectional communication. For my simple setup I've got 2 N210's
each with an RFX2400 (using TX/RX
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