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Hi David,
that worked :)
yep, returning -1 (which is the magical value for "there's
nothing coming anymore, you can shut down") would normally end a
flow graph.
However, we've had (still have) problems with the shutdown logic,
but people recently patched a lot of things – so whatever you do,
please make sure you're using the current release of GNU Radio.
Which is it that you're currently using?
Best regards,
Marcus
On 19.12.2016 12:45, David Kersh wrote:
Hello
all,
I've
created a custom out of tree source block which listens for
UDP packets and does different things depending on the
received packet. It is connected to a NULL sink because I
haven't quite worked out how to make a standalone UDP Server
(and I've found the tutorials to be very confusing
unfortunately).
When
the packet is "stop", I would like the flowgraph to be
stopped. I've seen from researching different forums that if -1 is
returned, the flowgraph is supposed to stop but I only find
that this stops my block from running, the rest of the
flowgraph continues running.
Is
there not a simple command which I can use to kill the whole
flowgraph?
An alternative solution I tried to implement was to access
these values using a vector sink block and the .data()
method from the top_block.py
This didn't seem to work correctly as Python's UDP calls
block.
Thank
you, hopefully I've made this post properly. I'm quite new
to programming with GNURADIO.
David
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