Thanks Brian , But how work QT Range slider ? for example if use a range slider for one of taps value in FFT taps for example [0.1,0.001,0.2,My_range_slider_ID,0.2,...] changing value of slider in run time update FFT filter taps without any problem . i need some thins like that but it get value from message port .
On Sat, Aug 12, 2017 at 2:34 PM, Brian <[email protected]> wrote: > Mohammed, > > That's good question and I'm working on a project that requires me to do > similar but mine is frequency. > > I believe that once a code is run and your receiver is running that changing > a variable is not possible. > > However I have a workaround, I am using a file as a source which will be > either blank (so no action takes place) or a frequency value, this triggers > a reset of python and then reads in the value as a variable. > > This works quite well in my case but may not suit all applications. My > receiver only needs to be on when I trigger it from the transmitter, it > can't be used if you're looking for a constant FFT plot. > > Hope this helps and if there are any suggestions for a more refined solution > that would be great. > > Brian > ________________________________ > From: mohammad nejati > Sent: 12/08/2017 10:51 > To: [email protected] > Subject: [Discuss-gnuradio] Updating variable by passing message > > Hi , > I want to update taps in "FFT FILTER" block in run time , i have a > block that can send this taps as a message every 1 secound . i write > an python block witch get this message what i want to do is get this > message and update value of a variable block wich is used in FFT > FILTER . but i dont know how i can update a variable block value in > python code , is that possible at all ? > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
