I was wondering if there is a method to have a source block constantly
sending out “0” and once it recieves a message from python, e.g a
will then stream the message and switch back to sending “0” when done.
Message Source ----------------------------> (Add, 0)
Constant Source/Vector Source with 0 -----> (Add, 1) —> output
However, the add block (and all blocks in gnuradio) waits for stream
from both inputs to be ready (i.e no interpolation) before making a
stream item. This effectively nullifies the const source in the above
I was wondering if there is any possible way to solve this problem?
The reason I am asking this is I am using a dual TX setup on a single
which interleaves output signals. I have I output signal that is
sending (beacon) and one that is only sending sometimes, however the
interleaving of output signals means that both streams needs to be
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