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From: | Nemanja Savic |
Subject: | Re: [Discuss-gnuradio] "Catching" end of flowgraph execution with GUI |
Date: | Wed, 6 May 2015 11:47:06 +0200 |
I had a similar problem recently. My solution was to subclass the
flowgraph adding the required functionality. Check out the
_top_block_waiter class in top_block.py. You can reimplement that logic
to e.g. add a time-out the the wait() call on the event or have a
callback executed.
Sebastian
On 05/05/2015 02:00 PM, Nemanja Savic wrote:
--> Hi all (again),
>
> is there any way to catch that my flowgraph has finished execution, to
> reconfigure it after that and to be able to watch signals in GUI?
>
> In my application I I would like to set some start and end values and
> to press some kind of start button. After that flowgraph runs for the
> first set of config parameters and after the execution is finished, it
> should reconfigure itself and restart it for the second set of
> parameters, and so on ... Meanwhile I would like to watch some signals
> in GUI.
>
> I see that top_block_gui class calls infinite main loop and then it
> blocks there. I suppose that in order to acomplish above stated tast,
> I would need some kind of callback on flowgraph execution end. Is it
> possible to make something like this?
>
> Thanx,
>
> --
> Nemanja Savić
Karlsruhe Institute of Technology (KIT)
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Dipl.-Ing. Sebastian Koslowski
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