diff options
Diffstat (limited to 'gr-uhd/apps/uhd_fft')
| -rwxr-xr-x | gr-uhd/apps/uhd_fft | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/gr-uhd/apps/uhd_fft b/gr-uhd/apps/uhd_fft index 0267ce46f..8bb5e0d2b 100755 --- a/gr-uhd/apps/uhd_fft +++ b/gr-uhd/apps/uhd_fft @@ -1,24 +1,24 @@ #!/usr/bin/env python # # Copyright 2012 Free Software Foundation, Inc. -# +# # This file is part of GNU Radio -# +# # GNU Radio is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3, or (at your option) # any later version. -# +# # GNU Radio is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. -# +# # You should have received a copy of the GNU General Public License # along with GNU Radio; see the file COPYING. If not, write to # the Free Software Foundation, Inc., 51 Franklin Street, # Boston, MA 02110-1301, USA. -# +# from gnuradio import gr, gru from gnuradio import uhd @@ -44,7 +44,7 @@ class app_top_block(stdgui2.std_top_block): self.frame = frame self.panel = panel - + parser = OptionParser(option_class=eng_option) parser.add_option("-a", "--args", type="string", default="", help="UHD device address args , [default=%default]") @@ -84,7 +84,7 @@ class app_top_block(stdgui2.std_top_block): sys.exit(1) self.options = options self.show_debug_info = True - + self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args(cpu_format='fc32', otw_format=options.wire_format, args=options.stream_args)) @@ -99,7 +99,7 @@ class app_top_block(stdgui2.std_top_block): self.u.set_samp_rate(options.samp_rate) input_rate = self.u.get_samp_rate() - + if options.waterfall: self.scope = \ waterfallsink2.waterfall_sink_c (panel, fft_size=1024, @@ -111,7 +111,7 @@ class app_top_block(stdgui2.std_top_block): else: self.scope = fftsink2.fft_sink_c (panel, fft_size=options.fft_size, - sample_rate=input_rate, + sample_rate=input_rate, ref_scale=options.ref_scale, ref_level=20.0, y_divs = 12, @@ -125,7 +125,7 @@ class app_top_block(stdgui2.std_top_block): self._build_gui(vbox) self._setup_events() - + # set initial values if options.gain is None: @@ -137,7 +137,7 @@ class app_top_block(stdgui2.std_top_block): # if no freq was specified, use the mid-point r = self.u.get_freq_range() options.freq = float(r.start()+r.stop())/2 - + self.set_gain(options.gain) if self.show_debug_info: @@ -165,9 +165,9 @@ class app_top_block(stdgui2.std_top_block): def _form_set_freq(kv): return self.set_freq(kv['freq']) - + vbox.Add(self.scope.win, 10, wx.EXPAND) - + # add control area at the bottom self.myform = myform = form.form() hbox = wx.BoxSizer(wx.HORIZONTAL) @@ -184,11 +184,11 @@ class app_top_block(stdgui2.std_top_block): if g.stop() <= g.start(): glow = 0.0 ghigh = 1.0 - + else: glow = g.start() ghigh = g.stop() - + myform['gain'] = form.slider_field(parent=self.panel, sizer=hbox, label="Gain", weight=3, @@ -234,7 +234,7 @@ class app_top_block(stdgui2.std_top_block): # FIXME figure out how to have this be a subpanel that is always # created, but has its visibility controlled by foo.Show(True/False) - + def _form_set_samp_rate(kv): return self.set_samp_rate(kv['samprate']) @@ -265,7 +265,7 @@ class app_top_block(stdgui2.std_top_block): vbox.Add(hbox, 0, wx.EXPAND) vbox.AddSpacer(5) - + def set_freq(self, target_freq): """ Set the center frequency we're interested in. @@ -299,12 +299,12 @@ class app_top_block(stdgui2.std_top_block): self.myform['samprate'].set_value(self.u.get_samp_rate()) # uhd set_samp_rate never fails; always falls back to closest requested. - return True + return True def _setup_events(self): if not self.options.waterfall and not self.options.oscilloscope: self.scope.win.Bind(wx.EVT_LEFT_DCLICK, self.evt_left_dclick) - + def evt_left_dclick(self, event): (ux, uy) = self.scope.win.GetXY(event) if event.CmdDown(): @@ -317,17 +317,17 @@ class app_top_block(stdgui2.std_top_block): ind = int(points.shape()[0]/2) else: ind = numpy.argmax(points[:,1]) - + (freq, pwr) = points[ind] target_freq = freq/self.scope.win._scale_factor print ind, freq, pwr - self.set_freq(target_freq) + 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, "UHD FFT", nstatus=1) app.MainLoop() |