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Re: [Discuss-gnuradio] Multiple flowgraphs and GUI elements

From: Marcus Müller
Subject: Re: [Discuss-gnuradio] Multiple flowgraphs and GUI elements
Date: Mon, 27 Apr 2015 18:27:03 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0

Ok, this boils down to one thing:

The flow graph you're doing doesn't really have logically "separate" RX and TX parts.
Just put it all in one big GRC file and you should be set; do you encounter any problems when doing that?

On 04/27/2015 06:25 PM, Nemanja Savic wrote:

Yes, I think of that example, wihch could be found in gr-uhd/examples/python/usrp_nbfm_ptt.py
The problem that I don't uderstand is how to cope with GUI elements like WX GUI FFT. It should be connected with other elemetns inside hier block, but also to be added into the grid of top block. So my question was about how to make that. After I instantiate them and connect inside hierblock, should I only call GridAdd() method from the topo block?

Thanx a lot

On Mon, Apr 27, 2015 at 5:40 PM, Marcus Müller <address@hidden> wrote:
So you mean this one:

That refers to the Push-to-talk example from gr-uhd, which is a bit older, I think.
However, the whole point is that you can simply write your TX flow graph and your RX flow graph as hierarchical blocks of their own, for example graphically using GRC, or like in that Tutorial in python. Then you just use these hier_block2 's in your "overall flow graph".

The graphical sinks must be placed at the point where the samples flow that you want to visualize, hence I don't understand that part of the question; I do think you're on to something, so could you please elaborate?

Best regards,

On 04/27/2015 05:07 PM, Nemanja Savic wrote:
The one suggested for multiple flowgraphs in the gnuradio page Writing python applications. Walkie talkie nbfm example (can't provide the name at the moment).


On Mon, Apr 27, 2015 at 2:23 PM, Marcus Müller <address@hidden> wrote:
Hi Nemanja

On 04/27/2015 01:18 PM, Nemanja Savic wrote:
> Hi all guys,
and girls :)
> I am building a gnuradio top block application where I want to have rx
> and tx flographs. Something similar to the example provided with gnuradio.
Which one of the dozens of examples?


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