diff options
| author | Martin Braun <martin.braun@ettus.com> | 2016-07-18 17:19:27 -0700 |
|---|---|---|
| committer | Martin Braun <martin.braun@ettus.com> | 2016-07-18 17:19:27 -0700 |
| commit | 642432eabdb1953ae17739a5b9b9a90be1c60194 (patch) | |
| tree | cb2b97178945f38da3510026a7f14d1de835bdd3 /gr-uhd | |
| parent | cc58cdd730b7e680ded447ee8f8cff305c83ecbb (diff) | |
uhd: uhd_fft can now optionally plot relative phase between adjacent channels
Diffstat (limited to 'gr-uhd')
| -rwxr-xr-x | gr-uhd/apps/uhd_fft | 58 |
1 files changed, 52 insertions, 6 deletions
diff --git a/gr-uhd/apps/uhd_fft b/gr-uhd/apps/uhd_fft index bb557e96f0..aa10cdf900 100755 --- a/gr-uhd/apps/uhd_fft +++ b/gr-uhd/apps/uhd_fft @@ -1,6 +1,6 @@ #!/usr/bin/env python2 # -# Copyright 2015 Free Software Foundation, Inc. +# Copyright 2015-2016 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -277,7 +277,37 @@ class uhd_fft(gr.top_block, Qt.QWidget, UHDApp): _freeze_scope_thread = threading.Thread(target=lambda: _freeze_scaling(self.qtgui_time_sink_x_0, 2.0)) _freeze_scope_thread.daemon = True _freeze_scope_thread.start() - + if args.phase_relations and len(self.channels) > 1: + self.display_widget_phase = Qt.QWidget() + self.display_layout_phase = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.display_widget_phase) + self.display_grid_layout_phase = Qt.QGridLayout() + self.display_layout_phase.addLayout(self.display_grid_layout_phase) + self.display.addTab(self.display_widget_phase, "Rel. Phase") + self.qtgui_phase_plot = qtgui.time_sink_f( + 1024, #size + self.samp_rate, #samp_rate + "", #name + len(self.channels) - 1 + ) + self.qtgui_phase_plot.set_update_time(self.update_rate) + self.qtgui_phase_plot.set_y_axis(-3.5, 3.5) + self.qtgui_phase_plot.set_y_label("Relative Phase", "") + self.qtgui_phase_plot.enable_tags(-1, True) + self.qtgui_phase_plot.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") + self.qtgui_phase_plot.enable_autoscale(False) + self.qtgui_phase_plot.enable_grid(True) + self.qtgui_phase_plot.enable_control_panel(True) + self.qtgui_phase_plot.disable_legend() + for i in xrange(len(self.channels) - 1): + self.qtgui_phase_plot.set_line_label(i, "Phase Delta Channels {0}/{1}".format(i, i+1)) + self.qtgui_phase_plot.set_line_width(i, widths[i]) + self.qtgui_phase_plot.set_line_color(i, colors[i]) + self.qtgui_phase_plot.set_line_style(i, styles[i]) + self.qtgui_phase_plot.set_line_marker(i, markers[i]) + self.qtgui_phase_plot.set_line_alpha(i, alphas[i]) + self._qtgui_phase_plot_win = sip.wrapinstance(self.qtgui_phase_plot.pyqwidget(), Qt.QWidget) + self.display_grid_layout_phase.addWidget(self._qtgui_phase_plot_win, 0,0,1,4) + ### Other widgets ################################################### self._lo_locked_probe_tool_bar = Qt.QToolBar(self) self._lo_locked_probe_formatter = lambda x: {True: 'Yes', False: 'No'}[x] if self.has_lo_sensor: @@ -317,10 +347,24 @@ class uhd_fft(gr.top_block, Qt.QWidget, UHDApp): ################################################## self.msg_connect((self.qtgui_freq_sink_x_0, 'freq'), (self.qtgui_freq_sink_x_0, 'freq')) self.msg_connect((self.qtgui_freq_sink_x_0, 'freq'), (self.usrp, 'command')) - for c in self.channels: - self.connect((self.usrp, c), (self.qtgui_freq_sink_x_0, c)) - self.connect((self.usrp, c), (self.qtgui_time_sink_x_0, c)) - self.connect((self.usrp, c), (self.qtgui_waterfall_sink_x_0, c)) + for c, idx in enumerate(self.channels): + self.connect((self.usrp, c), (self.qtgui_freq_sink_x_0, idx)) + self.connect((self.usrp, c), (self.qtgui_time_sink_x_0, idx)) + self.connect((self.usrp, c), (self.qtgui_waterfall_sink_x_0, idx)) + if args.phase_relations and len(self.channels) > 1: + for c, idx in enumerate(self.channels[:-1]): + self.connect_phase_plot( + (self.usrp, c), + (self.usrp, self.channels[idx+1]), + (self.qtgui_phase_plot, idx) + ) + + def connect_phase_plot(self, src_port1, src_port2, dst_port): + " Calculate relative phase between two src ports and send it dst_port " + from gnuradio import blocks + multiplier = blocks.multiply_cc() + self.connect(src_port1, (multiplier, 0), blocks.complex_to_arg(), dst_port) + self.connect(src_port2, blocks.conjugate_cc(), (multiplier, 1)) def closeEvent(self, event): self.settings = Qt.QSettings("GNU Radio", "uhd_fft") @@ -417,6 +461,8 @@ def setup_argparser(): help="Specify FFT average alpha (overrides --fft-average)") group.add_argument("--update-rate", dest="update_rate", type=eng_arg.eng_float, default=eng_notation.num_to_str(.1), help="Set GUI widget update rate") + group.add_argument("--phase-relations", action="store_true", + help="Plot relative phases between multiple channels") return parser |