-# Copyright 2003,2004,2005,2006,2007 Free Software Foundation, Inc.
+# Copyright 2003,2004,2005,2006,2007,2009,2010 Free Software Foundation, Inc.
y_divs=8, ref_level=50,
sample_rate=1, fft_size=512,
fft_rate=default_fft_rate,
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):
+ 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
def set_avg_alpha(self, avg_alpha):
self.avg_alpha = avg_alpha
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,
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):
+ 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),
gr.hier_block2.__init__(self, "fft_sink_f",
gr.io_signature(1, 1, gr.sizeof_float),
sample_rate=sample_rate, fft_size=fft_size,
fft_rate=fft_rate,
average=average, avg_alpha=avg_alpha, title=title,
sample_rate=sample_rate, fft_size=fft_size,
fft_rate=fft_rate,
average=average, avg_alpha=avg_alpha, title=title,
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,
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,
self.win = fft_window(self, parent, size=size)
self.set_average(self.average)
self.set_peak_hold(self.peak_hold)
self.win = fft_window(self, parent, size=size)
self.set_average(self.average)
self.set_peak_hold(self.peak_hold)
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,
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):
+ 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),
gr.hier_block2.__init__(self, "fft_sink_c",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
sample_rate=sample_rate, fft_size=fft_size,
fft_rate=fft_rate,
average=average, avg_alpha=avg_alpha, title=title,
sample_rate=sample_rate, fft_size=fft_size,
fft_rate=fft_rate,
average=average, avg_alpha=avg_alpha, title=title,
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,
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,
self.win = fft_window(self, parent, size=size)
self.set_average(self.average)
self.win = fft_window(self, parent, size=size)
self.set_average(self.average)
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.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)
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)
y_range = ymin, ymax
self.plot.Draw (graphics, xAxis=x_range, yAxis=y_range, step=self.fftsink.y_per_div)
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 on_peak_hold(self, evt):
# print "on_peak_hold"
self.fftsink.set_peak_hold(evt.IsChecked())
def on_peak_hold(self, evt):
# print "on_peak_hold"
self.fftsink.set_peak_hold(evt.IsChecked())
self.id_y_per_div_10 = wx.NewId()
self.id_y_per_div_20 = wx.NewId()
self.id_average = wx.NewId()
self.id_y_per_div_10 = wx.NewId()
self.id_y_per_div_20 = wx.NewId()
self.id_average = wx.NewId()
self.id_peak_hold = wx.NewId()
self.plot.Bind(wx.EVT_MENU, self.on_average, id=self.id_average)
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_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)
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)
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")
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")
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,
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,
- #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.
# We add these throttle blocks so that this demo doesn't
# suck down all the CPU available. Normally you wouldn't use these.
- #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,
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,