Hi Christian,
Use command port in USRP source to control center frequency. I've build a
frequency sweeper that can change center frequency automatically using
message strobe and python block that connected to USRP command port.
This page may helpfull for your problem
http://gnuradio.4.n7.nabble.c
Hi Cristian,
So, that's an architectural problem:
These variables are really just that: Python variables in the generated
python program. Setting things when that variable changes works, because
if your block defined a element in the GRC XML, then that
method will be called whenever you change t
Hi everyone.
I created a variable in the flowgraph called freq_Tx.
[image: Imágenes integradas 2]
This is assigned as the central freq of the block USRP source and is used
by several blocks to do signal processing.
I need to listen two different frequencies in my application. For example
one mi
