Re: [Discuss-gnuradio] How to stop GRC flowgraph after a defined time

[Ed Criscuolo]

Priyanka,

Based on what you've described so far, it sounds like the most
likely place for it is right after the signal source (UHD, Osmocom,
FCD, etc).

For example, if your source is sampling at a rate of 1e6 (one million)
samples per second, put the head block after it and set the count to
1000. This will shut down after 1 millisecond.

@(^.^)@ Ed


On 3/27/18 7:41 AM, Priyanka Priyadarshini wrote:
> Thanks for your reply. But where should I connect the input and output
> port of this head block?
>
> Thanks
>
> On Tue, Mar 27, 2018 at 1:26 PM, Gilad Beeri (ApolloShield)
> <address@hidden <mailto:address@hidden>> wrote:
>
>     Check out the Head block, which takes N as input, and stops (the
>     whole flowgraph as a result of how GNU Radio works) after N samples.
>     N = sample_rate * desired_duration
>
>
>     On Tue, Mar 27, 2018 at 2:08 PM Priyanka Priyadarshini
>     <address@hidden <mailto:address@hidden>> wrote:
>
>         Hello,
>
>         I am very new to GNURadio and I have made a FM radio receiver in
>         which I am recording the data in a file sink.
>
>         But, I want to record the data for one millisecond(means i want
>         to stop the flow graph after 1 millisecond). How can I run the
>         execution of the flow graph for this specified time?
>
>         Any help would be appreciated. Thank you.
>
>         Priyanka
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