I am trying to control my flow graph using a valve block. I have "Probe Avg Mag^2" and "Number Sink" blocks after the
"valve". I want to control this valve with a "Variable Chooser" block. I put the ID od variable chooser block in the
"open" field of the valve so that if the variable chooser value is changed to True it will change the value of "open"
in valve but when do this the flow graph seems to stop working (stucked) and nothing happens looks like there is a lot of processing going
on in behind. If I put the same value in the valve directly that ocurs in variable chhoser before i run the flow graph, the valve seems to
work by opening the connection and Number Sink shows no value but when i control the value of the valve during the program execution the
program seems to stop. Do i need to throttle or something else? The same problem occurs whether I use FFT sink or Number Sink or any other.
Regards,
Umair Naeem
MSc Communication Engineering
Chalmers University ot Technology, Sweden.
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