--- /dev/null
+#!/usr/bin/env python
+#
+# Copyright 2003,2004,2005,2007 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 2, 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, window
+from gnuradio.wxgui import stdgui2
+import wx
+import gnuradio.wxgui.plot as plot
+import numpy
+import os
+import threading
+import math
+
+default_fftsink_size = (640,240)
+default_fft_rate = gr.prefs().get_long('wxgui', 'fft_rate', 15)
+
+def axis_design( x1, x2, nx ):
+ # Given start, end, and number of labels, return value of first label,
+ # increment between labels, number of unlabeled division between labels,
+ # and scale factor.
+
+ dx = abs( x2 - x1 )/float(nx+1) # allow for space at each end
+ ldx = math.log10(dx)
+ l2 = math.log10(2.)
+ l5 = math.log10(5.)
+ le = math.floor(ldx)
+ lf = ldx - le
+ if lf < l2/2:
+ c = 1
+ dt = 10
+ elif lf < (l2+l5)/2:
+ c = 2
+ dt = 4
+ elif lf < (l5+1)/2:
+ c = 5
+ dt = 5
+ else:
+ c = 1
+ dt = 10
+ le += 1
+ inc = c*pow( 10., le )
+ first = math.ceil( x1/inc )*inc
+ scale = 1.
+ while ( abs(x1*scale) >= 1e5 ) or ( abs(x2*scale) >= 1e5 ):
+ scale *= 1e-3
+ return ( first, inc, dt, scale )
+
+
+class waterfall_sink_base(object):
+ def __init__(self, input_is_real=False, baseband_freq=0,
+ sample_rate=1, fft_size=512,
+ fft_rate=default_fft_rate,
+ average=False, avg_alpha=None, title='', ofunc=None, xydfunc=None):
+
+ # initialize common attributes
+ self.baseband_freq = baseband_freq
+ self.sample_rate = sample_rate
+ self.fft_size = fft_size
+ self.fft_rate = fft_rate
+ self.average = average
+ self.ofunc = ofunc
+ self.xydfunc = xydfunc
+ if avg_alpha is None:
+ self.avg_alpha = 2.0 / fft_rate
+ else:
+ self.avg_alpha = avg_alpha
+ self.title = title
+ self.input_is_real = input_is_real
+ self.msgq = gr.msg_queue(2) # queue up to 2 messages
+
+ def set_average(self, average):
+ self.average = average
+ if average:
+ self.avg.set_taps(self.avg_alpha)
+ else:
+ self.avg.set_taps(1.0)
+
+ def set_avg_alpha(self, avg_alpha):
+ self.avg_alpha = avg_alpha
+
+ def set_baseband_freq(self, baseband_freq):
+ self.baseband_freq = baseband_freq
+
+ def set_sample_rate(self, sample_rate):
+ self.sample_rate = sample_rate
+ self._set_n()
+
+ def _set_n(self):
+ self.one_in_n.set_n(max(1, int(self.sample_rate/self.fft_size/self.fft_rate)))
+
+class waterfall_sink_f(gr.hier_block2, waterfall_sink_base):
+ def __init__(self, parent, baseband_freq=0,
+ ref_level=0, sample_rate=1, fft_size=512,
+ fft_rate=default_fft_rate, average=False, avg_alpha=None,
+ title='', size=default_fftsink_size, report=None, span=40, ofunc=None, xydfunc=None):
+
+ gr.hier_block2.__init__(self, "waterfall_sink_f",
+ gr.io_signature(1, 1, gr.sizeof_float),
+ gr.io_signature(0, 0, 0))
+
+ waterfall_sink_base.__init__(self, input_is_real=True,
+ baseband_freq=baseband_freq,
+ sample_rate=sample_rate,
+ fft_size=fft_size, fft_rate=fft_rate,
+ average=average, avg_alpha=avg_alpha,
+ title=title)
+
+ s2p = gr.serial_to_parallel(gr.sizeof_float, self.fft_size)
+ self.one_in_n = gr.keep_one_in_n(gr.sizeof_float * self.fft_size,
+ max(1, int(self.sample_rate/self.fft_size/self.fft_rate)))
+ mywindow = window.blackmanharris(self.fft_size)
+ fft = gr.fft_vfc(self.fft_size, True, mywindow)
+ c2mag = gr.complex_to_mag(self.fft_size)
+ self.avg = gr.single_pole_iir_filter_ff(1.0, self.fft_size)
+ log = gr.nlog10_ff(20, self.fft_size, -20*math.log10(self.fft_size))
+ sink = gr.message_sink(gr.sizeof_float * self.fft_size, self.msgq, True)
+
+ self.connect(self, s2p, self.one_in_n, fft, c2mag, self.avg, log, sink)
+ self.win = waterfall_window(self, parent, size=size, report=report,
+ ref_level=ref_level, span=span, ofunc=ofunc, xydfunc=xydfunc)
+ self.set_average(self.average)
+
+
+class waterfall_sink_c(gr.hier_block2, waterfall_sink_base):
+ def __init__(self, parent, baseband_freq=0,
+ ref_level=0, sample_rate=1, fft_size=512,
+ fft_rate=default_fft_rate, average=False, avg_alpha=None,
+ title='', size=default_fftsink_size, report=None, span=40, ofunc=None, xydfunc=None):
+
+ gr.hier_block2.__init__(self, "waterfall_sink_c",
+ gr.io_signature(1, 1, gr.sizeof_gr_complex),
+ gr.io_signature(0, 0, 0))
+
+ waterfall_sink_base.__init__(self, input_is_real=False,
+ baseband_freq=baseband_freq,
+ sample_rate=sample_rate,
+ fft_size=fft_size,
+ fft_rate=fft_rate,
+ average=average, avg_alpha=avg_alpha,
+ title=title)
+
+ s2p = gr.serial_to_parallel(gr.sizeof_gr_complex, self.fft_size)
+ self.one_in_n = gr.keep_one_in_n(gr.sizeof_gr_complex * self.fft_size,
+ max(1, int(self.sample_rate/self.fft_size/self.fft_rate)))
+
+ mywindow = window.blackmanharris(self.fft_size)
+ fft = gr.fft_vcc(self.fft_size, True, mywindow)
+ c2mag = gr.complex_to_mag(self.fft_size)
+ self.avg = gr.single_pole_iir_filter_ff(1.0, self.fft_size)
+ log = gr.nlog10_ff(20, self.fft_size, -20*math.log10(self.fft_size))
+ sink = gr.message_sink(gr.sizeof_float * self.fft_size, self.msgq, True)
+
+ self.connect(self, s2p, self.one_in_n, fft, c2mag, self.avg, log, sink)
+ self.win = waterfall_window(self, parent, size=size, report=report,
+ ref_level=ref_level, span=span, ofunc=ofunc, xydfunc=xydfunc)
+ self.set_average(self.average)
+
+
+# ------------------------------------------------------------------------
+
+myDATA_EVENT = wx.NewEventType()
+EVT_DATA_EVENT = wx.PyEventBinder (myDATA_EVENT, 0)
+
+
+class DataEvent(wx.PyEvent):
+ def __init__(self, data):
+ wx.PyEvent.__init__(self)
+ self.SetEventType (myDATA_EVENT)
+ self.data = data
+
+ def Clone (self):
+ self.__class__ (self.GetId())
+
+
+class input_watcher (threading.Thread):
+ def __init__ (self, msgq, fft_size, event_receiver, **kwds):
+ threading.Thread.__init__ (self, **kwds)
+ self.setDaemon (1)
+ self.msgq = msgq
+ self.fft_size = fft_size
+ self.event_receiver = event_receiver
+ self.keep_running = True
+ self.start ()
+
+ def run (self):
+ while (self.keep_running):
+ msg = self.msgq.delete_head() # blocking read of message queue
+ itemsize = int(msg.arg1())
+ nitems = int(msg.arg2())
+
+ s = msg.to_string() # get the body of the msg as a string
+
+ # There may be more than one FFT frame in the message.
+ # If so, we take only the last one
+ if nitems > 1:
+ start = itemsize * (nitems - 1)
+ s = s[start:start+itemsize]
+
+ complex_data = numpy.fromstring (s, numpy.float32)
+ de = DataEvent (complex_data)
+ wx.PostEvent (self.event_receiver, de)
+ del de
+
+
+class waterfall_window (wx.ScrolledWindow):
+ def __init__ (self, fftsink, parent, id = -1,
+ pos = wx.DefaultPosition, size = wx.DefaultSize,
+ style = wx.DEFAULT_FRAME_STYLE, name = "", report=None,
+ ref_level = 0, span = 50, ofunc=None, xydfunc=None):
+ wx.ScrolledWindow.__init__(self, parent, id, pos, size,
+ style|wx.HSCROLL, name)
+ self.parent = parent
+ self.SetCursor(wx.StockCursor(wx.CURSOR_IBEAM))
+ self.ref_level = ref_level
+ self.scale_factor = 256./span
+
+ self.ppsh = 128 # pixels per scroll, horizontal
+ self.SetScrollbars( self.ppsh, 0, fftsink.fft_size/self.ppsh, 0 )
+
+ self.fftsink = fftsink
+ self.size = size
+ self.report = report
+ self.ofunc = ofunc
+ self.xydfunc = xydfunc
+
+ dc1 = wx.MemoryDC()
+ dc1.SetFont( wx.SMALL_FONT )
+ self.h_scale = dc1.GetCharHeight() + 3
+ #self.bm_size = ( self.fftsink.fft_size, self.size[1] - self.h_scale )
+ self.im_size = ( self.fftsink.fft_size, self.size[1] - self.h_scale )
+ #self.bm = wx.EmptyBitmap( self.bm_size[0], self.bm_size[1], -1)
+ self.im = wx.EmptyImage( self.im_size[0], self.im_size[1], True )
+ self.im_cur = 0
+
+ self.baseband_freq = None
+
+ self.make_pens()
+
+ wx.EVT_PAINT( self, self.OnPaint )
+ wx.EVT_CLOSE (self, self.on_close_window)
+ #wx.EVT_LEFT_UP(self, self.on_left_up)
+ #wx.EVT_LEFT_DOWN(self, self.on_left_down)
+ EVT_DATA_EVENT (self, self.set_data)
+
+ self.build_popup_menu()
+
+ wx.EVT_CLOSE (self, self.on_close_window)
+ self.Bind(wx.EVT_RIGHT_UP, self.on_right_click)
+ self.Bind(wx.EVT_MOTION, self.on_motion)
+
+ self.down_pos = None
+
+ self.input_watcher = input_watcher(fftsink.msgq, fftsink.fft_size, self)
+
+ def on_close_window (self, event):
+ self.keep_running = False
+
+ def on_left_down( self, evt ):
+ self.down_pos = evt.GetPosition()
+ self.down_time = evt.GetTimestamp()
+
+ def on_left_up( self, evt ):
+ if self.down_pos:
+ dt = ( evt.GetTimestamp() - self.down_time )/1000.
+ pph = self.fftsink.fft_size/float(self.fftsink.sample_rate)
+ dx = evt.GetPosition()[0] - self.down_pos[0]
+ if dx != 0:
+ rt = pph/dx
+ else:
+ rt = 0
+ t = 'Down time: %f Delta f: %f Period: %f' % ( dt, dx/pph, rt )
+ print t
+ if self.report:
+ self.report(t)
+
+ def on_motion(self, event):
+ if self.xydfunc:
+ pos = event.GetPosition()
+ self.xydfunc(pos)
+
+
+ def const_list(self,const,len):
+ return [const] * len
+
+ def make_colormap(self):
+ r = []
+ r.extend(self.const_list(0,96))
+ r.extend(range(0,255,4))
+ r.extend(self.const_list(255,64))
+ r.extend(range(255,128,-4))
+
+ g = []
+ g.extend(self.const_list(0,32))
+ g.extend(range(0,255,4))
+ g.extend(self.const_list(255,64))
+ g.extend(range(255,0,-4))
+ g.extend(self.const_list(0,32))
+
+ b = range(128,255,4)
+ b.extend(self.const_list(255,64))
+ b.extend(range(255,0,-4))
+ b.extend(self.const_list(0,96))
+ return (r,g,b)
+
+ def make_pens(self):
+ (r,g,b) = self.make_colormap()
+ self.rgb = numpy.transpose( numpy.array( (r,g,b) ).astype(numpy.int8) )
+
+ def OnPaint(self, event):
+ dc = wx.BufferedPaintDC(self)
+ self.DoDrawing( dc )
+
+ def DoDrawing(self,dc):
+ w, h = self.GetClientSizeTuple()
+ w = min( w, self.fftsink.fft_size )
+ if w <= 0:
+ return
+
+ if dc is None:
+ dc = wx.BufferedDC( wx.ClientDC(self), (w,h) )
+
+ dc.SetBackground( wx.Brush( self.GetBackgroundColour(), wx.SOLID ) )
+ dc.Clear()
+
+ x, y = self.GetViewStart()
+ x *= self.ppsh
+
+ ih = min( h - self.h_scale, self.im_size[1] - self.im_cur )
+ r = wx.Rect( x, self.im_cur, w, ih )
+ bm = wx.BitmapFromImage( self.im.GetSubImage(r) )
+ dc.DrawBitmap( bm, 0, self.h_scale )
+ rem = min( self.im_size[1] - ih, h - ih - self.h_scale )
+ if( rem > 0 ):
+ r = wx.Rect( x, 0, w, rem )
+ bm = wx.BitmapFromImage( self.im.GetSubImage(r) )
+ dc.DrawBitmap( bm, 0, ih + self.h_scale )
+
+ # Draw axis
+ if self.baseband_freq != self.fftsink.baseband_freq:
+ self.baseband_freq = self.fftsink.baseband_freq
+ t = self.fftsink.sample_rate*w/float(self.fftsink.fft_size)
+ self.ax_spec = axis_design( self.baseband_freq - t/2,
+ self.baseband_freq + t/2, 7 )
+ dc.SetFont( wx.SMALL_FONT )
+ fo = self.baseband_freq
+ po = self.fftsink.fft_size/2
+ pph = self.fftsink.fft_size/float(self.fftsink.sample_rate)
+ f = math.floor((fo-po/pph)/self.ax_spec[1])*self.ax_spec[1]
+ while True:
+ t = po + ( f - fo )*pph
+ s = str( f*self.ax_spec[3] )
+ e = dc.GetTextExtent( s )
+ if t - e[1]/2 >= x + w:
+ break
+ dc.DrawText( s, t - x - e[0]/2, 0 )
+ dc.DrawLine( t - x, e[1] - 1, t - x, self.h_scale )
+ dt = self.ax_spec[1]/self.ax_spec[2]*pph
+ for i in range(self.ax_spec[2]-1):
+ t += dt
+ if t >= x + w:
+ break
+ dc.DrawLine( t - x, e[1] + 1, t - x, self.h_scale )
+ f += self.ax_spec[1]
+
+ def const_list(self,const,len):
+ a = [const]
+ for i in range(1,len):
+ a.append(const)
+ return a
+
+ def make_colormap(self):
+ r = []
+ r.extend(self.const_list(0,96))
+ r.extend(range(0,255,4))
+ r.extend(self.const_list(255,64))
+ r.extend(range(255,128,-4))
+
+ g = []
+ g.extend(self.const_list(0,32))
+ g.extend(range(0,255,4))
+ g.extend(self.const_list(255,64))
+ g.extend(range(255,0,-4))
+ g.extend(self.const_list(0,32))
+
+ b = range(128,255,4)
+ b.extend(self.const_list(255,64))
+ b.extend(range(255,0,-4))
+ b.extend(self.const_list(0,96))
+ return (r,g,b)
+
+ def set_data (self, evt):
+ dB = evt.data
+ L = len (dB)
+
+ if self.ofunc != None:
+ self.ofunc(evt.data, L)
+ #dc1 = wx.MemoryDC()
+ #dc1.SelectObject(self.bm)
+
+ # Scroll existing bitmap
+ if 1:
+ #dc1.Blit(0,1,self.bm_size[0],self.bm_size[1]-1,dc1,0,0,
+ # wx.COPY,False,-1,-1)
+ pass
+ else:
+ for i in range( self.bm_size[1]-1, 0, -1 ):
+ dc1.Blit( 0, i, self.bm_size[0], 1, dc1, 0, i-1 )
+
+ x = max(abs(self.fftsink.sample_rate), abs(self.fftsink.baseband_freq))
+ if x >= 1e9:
+ sf = 1e-9
+ units = "GHz"
+ elif x >= 1e6:
+ sf = 1e-6
+ units = "MHz"
+ else:
+ sf = 1e-3
+ units = "kHz"
+
+
+ if self.fftsink.input_is_real: # only plot 1/2 the points
+ d_max = L/2
+ p_width = 2
+ else:
+ d_max = L/2
+ p_width = 1
+
+ scale_factor = self.scale_factor
+ dB -= self.ref_level
+ dB *= scale_factor
+ dB = dB.astype(numpy.int_).clip( min=0, max=255 )
+ if self.fftsink.input_is_real: # real fft
+ dB = numpy.array( ( dB[0:d_max][::-1], dB[0:d_max] ) )
+ else: # complex fft
+ dB = numpy.concatenate( ( dB[d_max:L], dB[0:d_max] ) )
+
+ dB = self.rgb[dB]
+ img = wx.ImageFromData( L, 1, dB.ravel().tostring() )
+ #bm = wx.BitmapFromImage( img )
+ #dc1.DrawBitmap( bm, 0, 0 )
+ ibuf = self.im.GetDataBuffer()
+ self.im_cur -= 1
+ if self.im_cur < 0:
+ self.im_cur = self.im_size[1] - 1
+ start = 3*self.im_cur*self.im_size[0]
+ ibuf[start:start+3*self.im_size[0]] = img.GetData()
+
+ #del dc1
+ self.DoDrawing(None)
+
+ def on_average(self, evt):
+ # print "on_average"
+ self.fftsink.set_average(evt.IsChecked())
+
+ def on_right_click(self, event):
+ menu = self.popup_menu
+ self.PopupMenu(menu, event.GetPosition())
+
+
+ def build_popup_menu(self):
+ id_ref_gain = wx.NewId()
+ self.Bind( wx.EVT_MENU, self.on_ref_gain, id=id_ref_gain )
+
+ # make a menu
+ menu = wx.Menu()
+ self.popup_menu = menu
+ menu.Append( id_ref_gain, "Ref Level and Gain" )
+ self.rg_dialog = None
+
+ self.checkmarks = {
+ #self.id_average : lambda : self.fftsink.average
+ }
+
+ def on_ref_gain( self, evt ):
+ if self.rg_dialog == None:
+ self.rg_dialog = rg_dialog( self.parent, self.set_ref_gain,
+ ref=self.ref_level,
+ span=256./self.scale_factor )
+ self.rg_dialog.Show( True )
+
+ def set_ref_gain( self, ref, span ):
+ self.ref_level = ref
+ self.scale_factor = 256/span
+
+class rg_dialog( wx.Dialog ):
+ def __init__( self, parent, set_function, ref=0, span=256./5. ):
+ wx.Dialog.__init__( self, parent, -1, "Waterfall Settings" )
+ self.set_function = set_function
+ #status_bar = wx.StatusBar( self, -1 )
+
+ d_sizer = wx.BoxSizer( wx.VERTICAL ) # dialog sizer
+ f_sizer = wx.BoxSizer( wx.VERTICAL ) # form sizer
+ vs = 10
+
+ #f_sizer.Add( fn_sizer, 0, flag=wx.TOP, border=10 )
+
+ h_sizer = wx.BoxSizer( wx.HORIZONTAL )
+ self.ref = tab_item( self, "Ref Level:", 4, "dB" )
+ self.ref.ctrl.SetValue( "%d" % ref )
+ h_sizer.Add((0,0),1)
+ h_sizer.Add( self.ref, 0 )
+ h_sizer.Add((0,0),1)
+ self.span = tab_item( self, "Range:", 4, "dB" )
+ self.span.ctrl.SetValue( "%d" % span )
+ h_sizer.Add( self.span, 0 )
+ h_sizer.Add((0,0),1)
+ f_sizer.Add( h_sizer, 0, flag=wx.TOP|wx.EXPAND, border=vs )
+
+ d_sizer.Add((0,0),1)
+ d_sizer.Add( f_sizer, 0, flag=wx.ALIGN_CENTER_HORIZONTAL|wx.EXPAND )
+ d_sizer.Add((0,0),1)
+ d_sizer.Add((0,0),1)
+
+ button_sizer = wx.BoxSizer( wx.HORIZONTAL )
+ apply_button = wx.Button( self, -1, "Apply" )
+ apply_button.Bind( wx.EVT_BUTTON, self.apply_evt )
+ cancel_button = wx.Button( self, -1, "Cancel" )
+ cancel_button.Bind( wx.EVT_BUTTON, self.cancel_evt )
+ ok_button = wx.Button( self, -1, "OK" )
+ ok_button.Bind( wx.EVT_BUTTON, self.ok_evt )
+ button_sizer.Add((0,0),1)
+ button_sizer.Add( apply_button, 0,
+ flag=wx.ALIGN_CENTER_HORIZONTAL )
+ button_sizer.Add((0,0),1)
+ button_sizer.Add( cancel_button, 0,
+ flag=wx.ALIGN_CENTER_HORIZONTAL )
+ button_sizer.Add((0,0),1)
+ button_sizer.Add( ok_button, 0,
+ flag=wx.ALIGN_CENTER_HORIZONTAL )
+ button_sizer.Add((0,0),1)
+ d_sizer.Add( button_sizer, 0,
+ flag=wx.EXPAND|wx.ALIGN_CENTER|wx.BOTTOM, border=30 )
+ self.SetSizer( d_sizer )
+
+ def apply_evt( self, evt ):
+ self.do_apply()
+
+ def cancel_evt( self, evt ):
+ self.Show( False )
+
+ def ok_evt( self, evt ):
+ self.do_apply()
+ self.Show( False )
+
+ def do_apply( self ):
+ r = float( self.ref.ctrl.GetValue() )
+ g = float( self.span.ctrl.GetValue() )
+ self.set_function( r, g )
+
+def next_up(v, seq):
+ """
+ Return the first item in seq that is > v.
+ """
+ for s in seq:
+ if s > v:
+ return s
+ return v
+
+def next_down(v, seq):
+ """
+ Return the last item in seq that is < v.
+ """
+ rseq = list(seq[:])
+ rseq.reverse()
+
+ for s in rseq:
+ if s < v:
+ return s
+ return v
+
+# One of many copies that should be consolidated . . .
+def tab_item( parent, label, chars, units, style=wx.TE_RIGHT, value="" ):
+ s = wx.BoxSizer( wx.HORIZONTAL )
+ s.Add( wx.StaticText( parent, -1, label ), 0,
+ flag=wx.ALIGN_CENTER_VERTICAL )
+ s.ctrl = wx.TextCtrl( parent, -1, style=style, value=value )
+ s.ctrl.SetMinSize( ( (1.00+chars)*s.ctrl.GetCharWidth(),
+ 1.25*s.ctrl.GetCharHeight() ) )
+ s.Add( s.ctrl, -1, flag=wx.LEFT, border=3 )
+ s.Add( wx.StaticText( parent, -1, units ), 0,
+ flag=wx.ALIGN_CENTER_VERTICAL|wx.LEFT, border=1 )
+ return s
+
+
+# ----------------------------------------------------------------
+# Standalone test app
+# ----------------------------------------------------------------
+
+class test_app_flow_graph (stdgui2.std_top_block):
+ def __init__(self, frame, panel, vbox, argv):
+ stdgui2.std_top_block.__init__ (self, frame, panel, vbox, argv)
+
+ fft_size = 512
+
+ # build our flow graph
+ input_rate = 20.000e3
+
+ # Generate a complex sinusoid
+ src1 = gr.sig_source_c (input_rate, gr.GR_SIN_WAVE, 5.75e3, 1000)
+ #src1 = gr.sig_source_c (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1000)
+
+ # We add these throttle blocks so that this demo doesn't
+ # suck down all the CPU available. Normally you wouldn't use these.
+ thr1 = gr.throttle(gr.sizeof_gr_complex, input_rate)
+
+ sink1 = waterfall_sink_c (panel, title="Complex Data",
+ fft_size=fft_size,
+ sample_rate=input_rate, baseband_freq=0,
+ size=(600,144) )
+ vbox.Add (sink1.win, 1, wx.EXPAND)
+ self.connect (src1, thr1, sink1)
+
+ # generate a real sinusoid
+ src2 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 5.75e3, 1000)
+ #src2 = gr.sig_source_f (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1000)
+ thr2 = gr.throttle(gr.sizeof_float, input_rate)
+ sink2 = waterfall_sink_f (panel, title="Real Data", fft_size=fft_size,
+ sample_rate=input_rate, baseband_freq=0)
+ vbox.Add (sink2.win, 1, wx.EXPAND)
+ self.connect (src2, thr2, sink2)
+
+def main ():
+ app = stdgui2.stdapp (test_app_flow_graph,
+ "Waterfall Sink Test App")
+ app.MainLoop ()
+
+if __name__ == '__main__':
+ main ()
projects / debian / gnuradio / blobdiff