|Subject:||Re: [Discuss-gnuradio] Gettin data out from GRC to C++ or java?|
|Date:||Fri, 17 Oct 2014 09:06:01 -0700|
Ernest - here's an example of how to connect other stuff to GNU Radio via pipes - granted at much lower sample rates. Higher sample rates shouldn't effect the pipe, but Matlab may not keep up with a typical 802.11 sample rate.http://youtu.be/GBmli8Vflig?t=2m33sIf you *could* get this 3k sample snapshot, how do you make sure a useful signal will be present?If you're doing processing in another framework, why don't you just use UHD directly w/out GNU Radio? There are finite acquisition calls in UHD IIRC...-JohnOn Fri, Oct 17, 2014 at 5:15 AM, Martin Braun <address@hidden> wrote:On 10/17/2014 12:40 PM, Ernest Szczepaniak wrote:
> So i if would like to create a simple flow graph, with USRP source and file
> sink only, is there any way to control file buffer size (i.e i want that any
> file consist of 3k 32complex samples every write)?
You can't control how many samples the USRP source will produce per run.
And I'm not sure that's really what you want.
> Any 3.7 compatibile pipe pack? tried gr-pipe but typical "gnuradio-core"
> error :(
I was suggesting you create a named pipe instead of a regular file. If
you don't know what that means, I suggest looking it up, it's a basic
concept of most OSes, and Google will have all the info you need.
You don't need any addons for that.
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