In this scenario, you would try to avoid python variables, and pass such things around
using message passing. In a pinch, you can use the "message to variable" block, to convert
a message to a variable, but, again, messages are the architecturally far superior
approach here, suffer no thread-saf
Dear GNU Radio Community,
I'm working on a GRC flowgraph, which has different variable blocks, e.g
'frequency' variable linked to the frequency parameter of signal source,
and I have made a custom python block to receive the data as a float from
serial port: 'COM4' by using the pyserial library, I
