diff options
Diffstat (limited to 'gr-wxgui/src/python/fftsink_nongl.py')
| -rw-r--r-- | gr-wxgui/src/python/fftsink_nongl.py | 62 |
1 files changed, 51 insertions, 11 deletions
diff --git a/gr-wxgui/src/python/fftsink_nongl.py b/gr-wxgui/src/python/fftsink_nongl.py index 937eb27cc..508b4e772 100644 --- a/gr-wxgui/src/python/fftsink_nongl.py +++ b/gr-wxgui/src/python/fftsink_nongl.py @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright 2003,2004,2005,2006,2007,2009 Free Software Foundation, Inc. +# Copyright 2003,2004,2005,2006,2007,2009,2010 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -37,7 +37,7 @@ class fft_sink_base(object): y_divs=8, ref_level=50, sample_rate=1, fft_size=512, fft_rate=default_fft_rate, - average=False, avg_alpha=None, title='', peak_hold=False): + average=False, avg_alpha=None, title='', peak_hold=False,use_persistence=False,persist_alpha=0.2): # initialize common attributes self.baseband_freq = baseband_freq @@ -52,6 +52,9 @@ class fft_sink_base(object): self.avg_alpha = 2.0 / fft_rate else: self.avg_alpha = avg_alpha + self.use_persistence = use_persistence + self.persist_alpha = persist_alpha + self.title = title self.peak_hold = peak_hold self.input_is_real = input_is_real @@ -75,6 +78,14 @@ class fft_sink_base(object): self.peak_hold = enable self.win.set_peak_hold(enable) + def set_use_persistence(self, enable): + self.use_persistence = enable + self.win.set_use_persistence(enable) + + def set_persist_alpha(self, persist_alpha): + self.persist_alpha = persist_alpha + self.win.set_persist_alpha(persist_alpha) + def set_avg_alpha(self, avg_alpha): self.avg_alpha = avg_alpha @@ -93,7 +104,7 @@ class fft_sink_f(gr.hier_block2, fft_sink_base): def __init__(self, parent, baseband_freq=0, ref_scale=2.0, y_per_div=10, y_divs=8, ref_level=50, sample_rate=1, fft_size=512, fft_rate=default_fft_rate, average=False, avg_alpha=None, - title='', size=default_fftsink_size, peak_hold=False, **kwargs): + title='', size=default_fftsink_size, peak_hold=False, use_persistence=False,persist_alpha=0.2, **kwargs): gr.hier_block2.__init__(self, "fft_sink_f", gr.io_signature(1, 1, gr.sizeof_float), @@ -104,7 +115,7 @@ class fft_sink_f(gr.hier_block2, fft_sink_base): sample_rate=sample_rate, fft_size=fft_size, fft_rate=fft_rate, average=average, avg_alpha=avg_alpha, title=title, - peak_hold=peak_hold) + peak_hold=peak_hold,use_persistence=use_persistence,persist_alpha=persist_alpha) self.s2p = gr.stream_to_vector(gr.sizeof_float, self.fft_size) self.one_in_n = gr.keep_one_in_n(gr.sizeof_float * self.fft_size, @@ -131,12 +142,14 @@ class fft_sink_f(gr.hier_block2, fft_sink_base): self.win = fft_window(self, parent, size=size) self.set_average(self.average) self.set_peak_hold(self.peak_hold) + self.set_use_persistence(self.use_persistence) + self.set_persist_alpha(self.persist_alpha) class fft_sink_c(gr.hier_block2, fft_sink_base): def __init__(self, parent, baseband_freq=0, ref_scale=2.0, y_per_div=10, y_divs=8, ref_level=50, sample_rate=1, fft_size=512, fft_rate=default_fft_rate, average=False, avg_alpha=None, - title='', size=default_fftsink_size, peak_hold=False, **kwargs): + title='', size=default_fftsink_size, peak_hold=False, use_persistence=False,persist_alpha=0.2, **kwargs): gr.hier_block2.__init__(self, "fft_sink_c", gr.io_signature(1, 1, gr.sizeof_gr_complex), @@ -147,7 +160,7 @@ class fft_sink_c(gr.hier_block2, fft_sink_base): sample_rate=sample_rate, fft_size=fft_size, fft_rate=fft_rate, average=average, avg_alpha=avg_alpha, title=title, - peak_hold=peak_hold) + peak_hold=peak_hold, use_persistence=use_persistence,persist_alpha=persist_alpha) self.s2p = gr.stream_to_vector(gr.sizeof_gr_complex, self.fft_size) self.one_in_n = gr.keep_one_in_n(gr.sizeof_gr_complex * self.fft_size, @@ -173,6 +186,8 @@ class fft_sink_c(gr.hier_block2, fft_sink_base): self.win = fft_window(self, parent, size=size) self.set_average(self.average) + self.set_use_persistence(self.use_persistence) + self.set_persist_alpha(self.persist_alpha) self.set_peak_hold(self.peak_hold) @@ -236,6 +251,9 @@ class control_panel(wx.Panel): self.average_check_box = wx.CheckBox(parent=self, style=wx.CHK_2STATE, label="Average") self.average_check_box.Bind(wx.EVT_CHECKBOX, parent.on_average) control_box.Add(self.average_check_box, 0, wx.EXPAND) + self.use_persistence_check_box = wx.CheckBox(parent=self, style=wx.CHK_2STATE, label="Persistence") + self.use_persistence_check_box.Bind(wx.EVT_CHECKBOX, parent.on_use_persistence) + control_box.Add(self.use_persistence_check_box, 0, wx.EXPAND) self.peak_hold_check_box = wx.CheckBox(parent=self, style=wx.CHK_2STATE, label="Peak Hold") self.peak_hold_check_box.Bind(wx.EVT_CHECKBOX, parent.on_peak_hold) control_box.Add(self.peak_hold_check_box, 0, wx.EXPAND) @@ -276,6 +294,7 @@ class control_panel(wx.Panel): """ #update checkboxes self.average_check_box.SetValue(self.parent.fftsink.average) + self.use_persistence_check_box.SetValue(self.parent.fftsink.use_persistence) self.peak_hold_check_box.SetValue(self.parent.fftsink.peak_hold) #update radio buttons try: @@ -306,6 +325,10 @@ class fft_window (wx.Panel): self.peak_hold = False self.peak_vals = None + + self.use_persistence=False + self.persist_alpha=0.2 + self.plot.SetEnableGrid (True) # self.SetEnableZoom (True) @@ -394,6 +417,14 @@ class fft_window (wx.Panel): y_range = ymin, ymax self.plot.Draw (graphics, xAxis=x_range, yAxis=y_range, step=self.fftsink.y_per_div) + def set_use_persistence(self, enable): + self.use_persistence = enable + self.plot.set_use_persistence( enable) + + def set_persist_alpha(self, persist_alpha): + self.persist_alpha = persist_alpha + self.plot.set_persist_alpha(persist_alpha) + def set_peak_hold(self, enable): self.peak_hold = enable self.peak_vals = None @@ -403,6 +434,11 @@ class fft_window (wx.Panel): self.fftsink.set_average(evt.IsChecked()) self.control_panel.update() + def on_use_persistence(self, evt): + # print "on_analog" + self.fftsink.set_use_persistence(evt.IsChecked()) + self.control_panel.update() + def on_peak_hold(self, evt): # print "on_peak_hold" self.fftsink.set_peak_hold(evt.IsChecked()) @@ -486,9 +522,11 @@ class fft_window (wx.Panel): self.id_y_per_div_10 = wx.NewId() self.id_y_per_div_20 = wx.NewId() self.id_average = wx.NewId() + self.id_use_persistence = wx.NewId() self.id_peak_hold = wx.NewId() self.plot.Bind(wx.EVT_MENU, self.on_average, id=self.id_average) + self.plot.Bind(wx.EVT_MENU, self.on_use_persistence, id=self.id_use_persistence) self.plot.Bind(wx.EVT_MENU, self.on_peak_hold, id=self.id_peak_hold) self.plot.Bind(wx.EVT_MENU, self.on_incr_ref_level, id=self.id_incr_ref_level) self.plot.Bind(wx.EVT_MENU, self.on_decr_ref_level, id=self.id_decr_ref_level) @@ -504,6 +542,7 @@ class fft_window (wx.Panel): menu = wx.Menu() self.popup_menu = menu menu.AppendCheckItem(self.id_average, "Average") + menu.AppendCheckItem(self.id_use_persistence, "Persistence") menu.AppendCheckItem(self.id_peak_hold, "Peak Hold") menu.Append(self.id_incr_ref_level, "Incr Ref Level") menu.Append(self.id_decr_ref_level, "Decr Ref Level") @@ -519,6 +558,7 @@ class fft_window (wx.Panel): self.checkmarks = { self.id_average : lambda : self.fftsink.average, + self.id_use_persistence : lambda : self.fftsink.use_persistence, self.id_peak_hold : lambda : self.fftsink.peak_hold, self.id_y_per_div_1 : lambda : self.fftsink.y_per_div == 1, self.id_y_per_div_2 : lambda : self.fftsink.y_per_div == 2, @@ -561,11 +601,11 @@ class test_app_block (stdgui2.std_top_block): fft_size = 256 # build our flow graph - input_rate = 20.48e3 + input_rate = 100*20.48e3 # Generate a complex sinusoid - #src1 = gr.sig_source_c (input_rate, gr.GR_SIN_WAVE, 2e3, 1) - src1 = gr.sig_source_c (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1) + #src1 = gr.sig_source_c (input_rate, gr.GR_SIN_WAVE, 100*2e3, 1) + src1 = gr.sig_source_c (input_rate, gr.GR_CONST_WAVE, 100*5.75e3, 1) # We add these throttle blocks so that this demo doesn't # suck down all the CPU available. Normally you wouldn't use these. @@ -578,8 +618,8 @@ class test_app_block (stdgui2.std_top_block): self.connect(src1, thr1, sink1) - #src2 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 2e3, 1) - src2 = gr.sig_source_f (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1) + #src2 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 100*2e3, 1) + src2 = gr.sig_source_f (input_rate, gr.GR_CONST_WAVE, 100*5.75e3, 1) thr2 = gr.throttle(gr.sizeof_float, input_rate) sink2 = fft_sink_f (panel, title="Real Data", fft_size=fft_size*2, sample_rate=input_rate, baseband_freq=100e3, |