Re: [Discuss-gnuradio] various USRP GUIs freezing

[Eric Blossom]

On Sat, Apr 01, 2006 at 08:47:07PM +0200, Martin Dvh wrote:
> I am having this problem all the time.
> The defaults for the fft display are to try to display 15 fft's a second
> which is too much for anything but the fastest  processors.
> 
> In the usrp_wfm_rcv example several fft's are displaying at the same time
> which worsens the problems.
> 
> I allways add the following parameter to all ftt's.
> fft_rate=5
> What this does is to tell the fft gui to try to display 5 fft's a second in
> stead of 15.
> For me this solves most gui_freeze problems.
> If you still have the problem then go even lower as 5 or disable the fft's.
> (change the if 1: to if 0: in front of the code which opens the fft display)

Hi folks,

I've added a couple of new system defaults:

  [wxgui]

  fft_rate = 15     # fftsink & waterfallsink
  frame_decim = 1   # scopesink

You can override the system defaults in
~/.gnuradio/config.conf

Update gr-wxgui to pick up this change.

Eric