Re: [Discuss-gnuradio] how to trigger dynamic reconfiguration with lock/disconnect

[Scott Johnston]

Hi,

The way I do it is with infinite while loop, and a state machine. Once I 
get to certain state, I lock the top-block and reconfigure it.

This works well during testing. Once you get some kind of protocol or 
some series of steps that you want to do, you can just test a flag, and 
whenever your block finishes set it to true, then reconfigure.

Scott

Johannes Schmitz wrote:
> I did some more research on the topic to get some ideas.
> Now it seems there are two possibilities to send control signals
> between the blocks:
>
> 1. Use a message queue and a watcher thread like in the digital example pkt.py
>
> 2. Use a probe block like gr.probe_avg_mag_sqrd and an endless while
> loop in the main that checks for a change in some bool variable in
> this block
>
> Can anybody confirm this or tell me some other possibilities?
>
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--
Scott Johnston
MIT Lincoln Laboratory
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