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Re: [Discuss-gnuradio] How to start and stop recording without exiting t

From: Carl Olsson
Subject: Re: [Discuss-gnuradio] How to start and stop recording without exiting the flowgraph
Date: Tue, 26 May 2015 23:40:53 +0200

Thank you for the answer.
I think I found however that the selector block and a check button is already doing what I needed.



On 25 May 2015 at 02:14, Martin Braun <address@hidden> wrote:
On 05/24/2015 06:46 PM, Carl Olsson wrote:
> Hi all,
> I would like to use two filesink blocks to record signals from two
> USRP:s with MIMO Cable. I am interested in the phase offset of an
> incoming signal so I first need to calibrate and then start recording. I
> haven't found how this could be done in an easy way, does anyone have
> any ideas?
> To clarify:
> I would like to start my flowgraph then when I press a button in the GUI
> start recording and then press the button again and stop recording.

Write a small Python block that takes a setter, then input a button
state through a QT selector. This block will only allow samples flowing
through when you input a certain state.


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