diff options
| -rwxr-xr-x | gr-utils/src/python/usrp_fft.py | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/gr-utils/src/python/usrp_fft.py b/gr-utils/src/python/usrp_fft.py index 5aee24fe6..fae5ae4cd 100755 --- a/gr-utils/src/python/usrp_fft.py +++ b/gr-utils/src/python/usrp_fft.py @@ -28,7 +28,7 @@ from gnuradio.wxgui import stdgui2, fftsink2, waterfallsink2, scopesink2, form, from optparse import OptionParser import wx import sys - +import numpy def pick_subdevice(u): """ @@ -261,8 +261,18 @@ class app_top_block(stdgui2.std_top_block): def evt_left_dclick(self, event): (ux, uy) = self.scope.win.GetXY(event) - target_freq = ux/self.scope.win._scale_factor - self.set_freq(target_freq) + if event.CmdDown(): + # Re-center on maximum power + points = self.scope.win._points + ind = numpy.argmax(points[:,1]) + (freq, pwr) = points[ind] + target_freq = freq/self.scope.win._scale_factor + self.set_freq(target_freq) + else: + # Re-center on clicked frequency + target_freq = ux/self.scope.win._scale_factor + self.set_freq(target_freq) + def main (): app = stdgui2.stdapp(app_top_block, "USRP FFT", nstatus=1) |