Removed whitespace and added dtools/bin/remove-whitespace as a tool to do this in the future.

The sed script was provided by Moritz Fischer.
author: Tom Rondeau <trondeau@vt.edu> 2012-04-13 18:36:53 -0400
committer: Tom Rondeau <trondeau@vt.edu> 2012-04-13 18:36:53 -0400
commit: f919f9dcbb54a08e6e26d6c229ce92fb784fa1b2 (patch)
tree: 7e846386b9eb1676f9a93fc4a1e55916b9accc97 /gr-uhd/apps
parent: 6a1e9783fec6ed827f49db27c171591d30f32933 (diff)
16 files changed, 149 insertions, 149 deletions
diff --git a/gr-uhd/apps/hf_explorer/hfx.py b/gr-uhd/apps/hf_explorer/hfx.py
index 687adf82b4..1f08bd8ba6 100755
--- a/gr-uhd/apps/hf_explorer/hfx.py
+++ b/gr-uhd/apps/hf_explorer/hfx.py
@@ -56,7 +56,7 @@
 #                                  |
 #                                  V
 #                                (dst)
-#                                                       
+#
 #----------------------------------------------------------------------
 #
 # Versions 2.2.1 adds loop antenna automatic tuner
@@ -65,7 +65,7 @@
 # added more comments.
 #
 # 2.4.1 updates usrp interface to support auto subdev
-# 
+#
 # 2.8.1 changed saved file format from 8-byte complex to
 # 4-byte short for obvious storage space savings.
 
@@ -93,7 +93,7 @@ ID_BUTTON_3 = wx.NewId()	# AM
 ID_BUTTON_4 = wx.NewId()	# CW
 ID_BUTTON_5 = wx.NewId()	# Powermate controls: Upper audio freq cutoff
 ID_BUTTON_6 = wx.NewId()	#  "                  Lower audio freq cutoff
-ID_BUTTON_7 = wx.NewId()	#  "                  Frequency 
+ID_BUTTON_7 = wx.NewId()	#  "                  Frequency
 ID_BUTTON_8 = wx.NewId()	#  "                  Volume
 ID_BUTTON_9 = wx.NewId()	#  "                  Time
 ID_BUTTON_10 = wx.NewId()	# Time Seek Forwards
@@ -105,7 +105,7 @@ ID_TEXT_1 = wx.NewId()		# Band Center, USRP ddc Freq
 ID_SPIN_1 = wx.NewId()		# Frequency display and control
 ID_SLIDER_1 = wx.NewId()	# Upper audio freq cutoff
 ID_SLIDER_2 = wx.NewId()	# Lower audio freq cutoff
-ID_SLIDER_3 = wx.NewId()	# Frequency 
+ID_SLIDER_3 = wx.NewId()	# Frequency
 ID_SLIDER_4 = wx.NewId()	# Volume
 ID_SLIDER_5 = wx.NewId()	# Programmable Gain Amp, PGA, RF gain
 ID_SLIDER_6 = wx.NewId()	# AM Sync carrier level
@@ -118,7 +118,7 @@ class MyFrame(wx.Frame):
         # begin wxGlade: MyFrame.__init__
         kwds["style"] = wx.DEFAULT_FRAME_STYLE
         wx.Frame.__init__(self, *args, **kwds)
-        
+
         # Menu Bar
         self.frame_1_menubar = wx.MenuBar()
         self.SetMenuBar(self.frame_1_menubar)
@@ -215,7 +215,7 @@ class MyFrame(wx.Frame):
         self.f_slider_scale = 10000
         self.spin_ctrl_1.SetRange(self.f_lo,self.f_hi)
         self.text_ctrl_1.SetValue(str(int(self.usrp_center)))
-        self.slider_5.SetValue(0) 
+        self.slider_5.SetValue(0)
 	self.AM_mode = False
 
         self.slider_3.SetValue((self.frequency-self.f_slider_offset)/self.f_slider_scale)
@@ -265,7 +265,7 @@ class MyFrame(wx.Frame):
            self.tb.connect((s2ss,1),s2f2)
            self.tb.connect(s2f1,(src_f2c,0))
            self.tb.connect(s2f2,(src_f2c,1))
-           
+
         # save radio data to a file
         if SAVE_RADIO_TO_FILE:
            radio_file = gr.file_sink(gr.sizeof_short, options.radio_file)
@@ -295,7 +295,7 @@ class MyFrame(wx.Frame):
                                        sample_rate=self.af_sample_rate,
                                        average=True, size=(640,240))
 
-	# AM Sync carrier 
+	# AM Sync carrier
 	if AM_SYNC_DISPLAY:
 	   self.fft2 = fftsink.fft_sink_c(self.tb, self.panel_9,
                                           y_per_div=20, fft_size=512,
@@ -698,10 +698,10 @@ class MyFrame(wx.Frame):
 	if self.AM_mode:
 	   fRel = ( event.GetX() - 330. ) / 14.266666 - 7.5
 	else:
-	   fRel = ( event.GetX() - 330. ) / 14.266666 
+	   fRel = ( event.GetX() - 330. ) / 14.266666
         self.fft.win.SetToolTip(wx.ToolTip(eng_notation.num_to_str(self.frequency + (fRel*1e3))))
 
-    # Mouse clicked on fft display - change frequency 
+    # Mouse clicked on fft display - change frequency
     def Click(self,event):
         fRel = ( event.GetX() - 330. ) / 14.266666
 	if self.AM_mode == False:
@@ -752,7 +752,7 @@ class MyFrame(wx.Frame):
             dev.write_aux_dac(uhd.dboard_iface.UNIT_RX,
                               uhd.dboard_iface.AUX_DAC_C,
                               float(self.slider_7.GetValue()))
-            
+
     # Timer events - check for web commands
     def OnUpdate(self):
       cmds = os.listdir("/var/www/cgi-bin/commands/")
diff --git a/gr-uhd/apps/hf_explorer/hfx_help b/gr-uhd/apps/hf_explorer/hfx_help
index 9a52dd2bb0..c8fa28dbd1 100644
--- a/gr-uhd/apps/hf_explorer/hfx_help
+++ b/gr-uhd/apps/hf_explorer/hfx_help
@@ -10,7 +10,7 @@
 		Default is 3.9e6 80 meter ham band.
 		Example:
 
-		hfx.py -c 9500k 
+		hfx.py -c 9500k
 
 		starts up in the 31 meter band.
 
@@ -49,15 +49,15 @@
 		usrp hardware needed. Tune about the 800kHz wide band.
 		When playing a recorded file, time controls
 		fast-forward and rewind are available.
-		
+
 	-d	Decimation. Sets sample rate and bandwidth.
 		This is the factor that the usrp sample rate, 64e6,
 		is divided by. Default is 250 for 256kHz bandwidth
-		which is enough to record a ham band without 
+		which is enough to record a ham band without
 		eating up disk space too fast. The 64e6 sample
 		rate limits the upper practical frequency to 32MHz.
 		The Basic RX transformer limits the lower frequency
-		to about 200kHz. 
+		to about 200kHz.
 
 
  Powermate Knob:
@@ -145,12 +145,12 @@
 	amp I like is a Minicircuits ZHL-32A 29db amp but they are
 	expensive and hard to find. Also it may help to use some filters
 	to keep strong local signals from the ADC, or limit rf input
-	to the band of interest, etc.  
+	to the band of interest, etc.
 	Resonant outdoor antennas, like a dipole, in a low-noise (away
 	from consumer electronics) environment are nice.  Long random wires
 	with a tuner work. I like a small indoor tuned loop made from 10ft
 	of 1/4" copper tube, a 365pf tuning cap and a pickup loop connected
-	to rg-58. 
+	to rg-58.
 
 
  Web Control:
@@ -167,7 +167,7 @@
 
  IF Output:
 
-	There is a provision for outputting un-demodulated complex 
+	There is a provision for outputting un-demodulated complex
 	through the audio out in stereo for use with Digital Radio
 	Mondial (DRM) or using a seperate demodulation program like
 	SDRadio (by I2PHD).
diff --git a/gr-uhd/apps/hf_radio/README.TXT b/gr-uhd/apps/hf_radio/README.TXT
index 7c7edf5e0a..c5c57f8479 100644
--- a/gr-uhd/apps/hf_radio/README.TXT
+++ b/gr-uhd/apps/hf_radio/README.TXT
@@ -1,17 +1,17 @@
 # 2008-02-07
-# 
+#
 # These files have not yet been update to use the new top_block/hier_block2
 # interfaces.  Until someone does that, this files will no longer run.
-# 
+#
 
 
 The files in this directory implement a fairly simple HF radio that works
 with the basic rx daughter board on the USRP.
 
-Many thanks to the Gnu Radio folks for a great new way to waste large blocks 
+Many thanks to the Gnu Radio folks for a great new way to waste large blocks
 of time in infinitely tweaking a huge number of free parameters.
 
-Start the receiver by running the radio.py in this directory. Or from the 
+Start the receiver by running the radio.py in this directory. Or from the
 Python prompt type "from radio import *" and you'll get the prompt back
 with the receiver running. You can then poke around to see what's going on.
 
@@ -19,7 +19,7 @@ There are two spectrum displays. One is the output of the USRP and displays
 about 300KHz of bandwidth centered at the current tuning freq. The other
 displays the output spectrum of the demodulator.
 
-The demodulator does AM demod using the complex modulus block from gr. It 
+The demodulator does AM demod using the complex modulus block from gr. It
 does SSB demod using the frequency translating fir filter as a complex
 hilbert transformer. The taps for this filter were generated using a program
 called Scilab and the Scilab program in the file hfir.sci. More details in
@@ -39,7 +39,7 @@ The audio bandwidth can be similarly adjusted from about 50Hz to 10KHz.
 The GUI layout was produced using wxGlade. The file radio.xml is the GUI
 specification. It will produce a file called ui.py which is subclassed
 by classes defined in radio.py. The ui.py is purely generated by wxGlade
-all app specific code for the GUI is in radio.py. 
+all app specific code for the GUI is in radio.py.
 
 Most of the actual signal processing code is built up in the other included
 files using the hierarchical block facilities. This organization should
@@ -50,7 +50,7 @@ Known bugs weakness and other
 wxPython and wxGlade seem to conspire to insure that the layout can never
 be exactly what you have in mind.
 
-Some of the controls don't behave as one might like. wx spin controls 
+Some of the controls don't behave as one might like. wx spin controls
 and spin boxes only support integers so it is rather a nuisance to make
 units come out nice. In the process of development I came up with a reasonable
 kluge so there is a mixture of approaches.
diff --git a/gr-uhd/apps/hf_radio/hfir.sci b/gr-uhd/apps/hf_radio/hfir.sci
index a2d5e2a620..64f5385d73 100644
--- a/gr-uhd/apps/hf_radio/hfir.sci
+++ b/gr-uhd/apps/hf_radio/hfir.sci
@@ -25,7 +25,7 @@
 // This isn't as computationally efficient as using the hilbert transformer
 // and compensating delay but fascinating none the less.
 //
-// This program is for the scilab language a very powerful free math 
+// This program is for the scilab language a very powerful free math
 // package similar to Matlab with infinitely better price/performace.
 //
 // compute the prototype lowpass fir
diff --git a/gr-uhd/apps/hf_radio/input.py b/gr-uhd/apps/hf_radio/input.py
index 2626ddfb52..78e800bb6c 100644
--- a/gr-uhd/apps/hf_radio/input.py
+++ b/gr-uhd/apps/hf_radio/input.py
@@ -1,22 +1,22 @@
 # Copyright 2011 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.
-# 
+#
 
 # Basic USRP setup and control.
 # It's only ever been tried with a basic rx daughter card.
@@ -24,7 +24,7 @@
 # Imagine that the gnuradio boilerplate is here.
 #
 # M. Revnell 2005-Dec
- 
+
 from gnuradio import gr
 from gnuradio import uhd
 
@@ -33,7 +33,7 @@ class uhd_input(gr.hier_block2):
         gr.hier_block2.__init__(self, "uhd_input",
                                 gr.io_signature(0,0,0),
                                 gr.io_signature(1,1,gr.sizeof_gr_complex))
-        
+
         self.src = uhd.usrp_source(device_addr=address,
                                    io_type=uhd.io_type.COMPLEX_FLOAT32,
                                    num_channels=1)
@@ -65,7 +65,7 @@ class uhd_input(gr.hier_block2):
         self.gain = gain
         self.src.set_gain(gain, 0)
 
-    def add_options(parser):        
+    def add_options(parser):
         parser.add_option("-a", "--address", type="string",
                           default="addr=192.168.10.2",
                           help="Address of UHD device, [default=%default]")
diff --git a/gr-uhd/apps/hf_radio/output.py b/gr-uhd/apps/hf_radio/output.py
index 8ee7dc54cd..70add5b84a 100644
--- a/gr-uhd/apps/hf_radio/output.py
+++ b/gr-uhd/apps/hf_radio/output.py
@@ -1,22 +1,22 @@
 # Copyright 2011 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.
-# 
+#
 
 
 # Audio output with a volume control.
@@ -31,7 +31,7 @@ class output( gr.hier_block2 ):
         gr.hier_block2.__init__(self, "output",
                                 gr.io_signature(1,1,gr.sizeof_float),
                                 gr.io_signature(0,0,0))
-        
+
         self.vol = gr.multiply_const_ff( 0.1 )
         self.out = audio.sink( int(rate), device )
 
@@ -39,4 +39,4 @@ class output( gr.hier_block2 ):
 
     def set( self, val ):
         self.vol.set_k( val )
-        
+
diff --git a/gr-uhd/apps/hf_radio/radio.py b/gr-uhd/apps/hf_radio/radio.py
index 32e26c7eb9..93d985067d 100755
--- a/gr-uhd/apps/hf_radio/radio.py
+++ b/gr-uhd/apps/hf_radio/radio.py
@@ -1,24 +1,24 @@
 #!/usr/bin/env python
 #
 # Copyright 2011 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.
-# 
+#
 
 # GUI interactions and high level connections handled here.
 #
@@ -107,7 +107,7 @@ class radio_frame( ui_frame ):
         agc_ref = self.block.agc.offs.k()
         self.agc_ref.SetValue( str( agc_ref ) )
         self.agc_ref_s.SetValue( 5 )
-        
+
         self.fespectrum = fftsink2.fft_sink_c(
             self.fe_panel,
             fft_size=512,
@@ -138,7 +138,7 @@ class radio_frame( ui_frame ):
         r = r + 5
         self.agc_ref.SetValue( str( r ) )
         self.block.agc.offs.set_k( r )
-        
+
     def agc_ref_down( self, event ):
         self.agc_ref_s.SetValue( 5 )
         r = float( self.agc_ref.GetValue() )
@@ -184,7 +184,7 @@ class radio_frame( ui_frame ):
     def tune_evt( self, event ):
         f = self.freq_disp.GetValue()
         self.tune( f )
-        
+
     def tune( self, frequency ):
         self.freq_disp.SetValue( frequency )
         self.block.tune( frequency )
@@ -247,13 +247,13 @@ class radio_frame( ui_frame ):
 
     def event_pga( self, event ):
         self.block.src.set_gain(self.pga.GetValue())
-        
+
     def event_vol( self, event ):
         self.block.out.set( self.volume.GetValue()/20.0 )
 
     def set_usb( self, event ):
         self.block.demod.upper_sb()
-        
+
     def set_lsb( self, event ):
         self.block.demod.lower_sb()
 
@@ -310,9 +310,9 @@ def main():
 
     thread2 = Thread( target = rssi_function )
     thread2.start()
-      
+
     radio_obj.MainLoop()
-    
+
 
 if __name__ == "__main__":
     main()
diff --git a/gr-uhd/apps/hf_radio/ssbagc.py b/gr-uhd/apps/hf_radio/ssbagc.py
index 4947128637..6a2e0a7cd4 100644
--- a/gr-uhd/apps/hf_radio/ssbagc.py
+++ b/gr-uhd/apps/hf_radio/ssbagc.py
@@ -1,22 +1,22 @@
 # Copyright 2011 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.
- 
+
 
 # post detection agc processing
 #
diff --git a/gr-uhd/apps/hf_radio/ssbdemod.py b/gr-uhd/apps/hf_radio/ssbdemod.py
index 072d317a27..3c533f617f 100644
--- a/gr-uhd/apps/hf_radio/ssbdemod.py
+++ b/gr-uhd/apps/hf_radio/ssbdemod.py
@@ -1,22 +1,22 @@
 # Copyright 2011 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.
-# 
+#
 
 # This tries to push the hilbert transform for ssb demod back into the
 # freq. xlating filter.
@@ -45,7 +45,7 @@ class ssb_demod( gr.hier_block2 ):
         self.sideband = 1
 
         self.xlate_taps = ([complex(v) for v in file('ssb_taps').readlines()])
-        
+
         self.audio_taps = gr.firdes.low_pass(
             1.0,
             self.af_rate,
@@ -69,7 +69,7 @@ class ssb_demod( gr.hier_block2 ):
         self.sb_sel = gr.multiply_const_ff( 1 )
         self.mixer  = gr.add_ff()
         self.am_det = gr.complex_to_mag()
-                
+
         self.connect(self,             self.xlate)
         self.connect(self.xlate,       self.split)
         self.connect((self.split, 0), (self.sum, 0))
@@ -83,7 +83,7 @@ class ssb_demod( gr.hier_block2 ):
         self.connect(self.lpf,         self)
 
     def upper_sb( self ):
-        self.xlate.set_taps([v.conjugate() for v in self.xlate_taps])    
+        self.xlate.set_taps([v.conjugate() for v in self.xlate_taps])
         self.sb_sel.set_k( 1.0 )
         self.am_sel.set_k( 0.0 )
 
@@ -91,7 +91,7 @@ class ssb_demod( gr.hier_block2 ):
         self.xlate.set_taps(self.xlate_taps)
         self.sb_sel.set_k( 1.0 )
         self.am_sel.set_k( 0.0 )
-        
+
     def set_am( self ):
         taps = gr.firdes.low_pass( 1.0,
                                    self.if_rate,
diff --git a/gr-uhd/apps/hf_radio/ui.py b/gr-uhd/apps/hf_radio/ui.py
index 551a304152..a20ba4faba 100755
--- a/gr-uhd/apps/hf_radio/ui.py
+++ b/gr-uhd/apps/hf_radio/ui.py
@@ -1,24 +1,24 @@
 #!/usr/bin/env python
 #
 # Copyright 2011 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.
-# 
+#
 
 # -*- coding: UTF-8 -*-
 # generated by wxGlade 0.4 on Mon Jan  2 19:02:03 2006
diff --git a/gr-uhd/apps/uhd_fft b/gr-uhd/apps/uhd_fft
index 0267ce46fb..8bb5e0d2b2 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()
diff --git a/gr-uhd/apps/uhd_rx_cfile b/gr-uhd/apps/uhd_rx_cfile
index a61361e437..fb639623e3 100755
--- a/gr-uhd/apps/uhd_rx_cfile
+++ b/gr-uhd/apps/uhd_rx_cfile
@@ -1,28 +1,28 @@
 #!/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.
-# 
+#
 
 """
 Read samples from a UHD device and write to file formatted as binary
-outputs single precision complex float values or complex short values 
+outputs single precision complex float values or complex short values
 (interleaved 16 bit signed short integers).
 """
 
@@ -89,7 +89,7 @@ class rx_cfile_block(gr.top_block):
             self.connect(self._u, self._head, self._sink)
 
         input_rate = self._u.get_samp_rate()
-        
+
         if options.verbose:
             print "Args: ", options.args
             print "Rx gain:", options.gain
@@ -116,7 +116,7 @@ class rx_cfile_block(gr.top_block):
         md = self.async_src.msg_to_async_metadata_t(msg)
         print "Channel: %i Time: %f Event: %i" % (md.channel, md.time_spec.get_real_secs(), md.event_code)
 
-        
+
 def get_options():
     usage="%prog: [options] output_filename"
     parser = OptionParser(option_class=eng_option, usage=usage)
@@ -151,19 +151,19 @@ def get_options():
     if len(args) != 1:
         parser.print_help()
         raise SystemExit, 1
-    
+
     if options.freq is None:
         parser.print_help()
         sys.stderr.write('You must specify the frequency with -f FREQ\n');
         raise SystemExit, 1
-    
+
     return (options, args[0])
 
 
 if __name__ == '__main__':
     (options, filename) = get_options()
     tb = rx_cfile_block(options, filename)
-    
+
     try:
         tb.run()
     except KeyboardInterrupt:
diff --git a/gr-uhd/apps/uhd_rx_nogui b/gr-uhd/apps/uhd_rx_nogui
index bcb52c619e..9977f55a3c 100755
--- a/gr-uhd/apps/uhd_rx_nogui
+++ b/gr-uhd/apps/uhd_rx_nogui
@@ -1,24 +1,24 @@
 #!/usr/bin/env python
 #
 # Copyright 2006,2007,2011,2012 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, uhd, optfir, audio, blks2
 from gnuradio import eng_notation
@@ -27,8 +27,8 @@ from optparse import OptionParser
 import sys
 
 """
-This example application demonstrates receiving and demodulating 
-different types of signals using the USRP. 
+This example application demonstrates receiving and demodulating
+different types of signals using the USRP.
 
 A receive chain is built up of the following signal processing
 blocks:
@@ -77,11 +77,11 @@ demod_params = {
 class uhd_src(gr.hier_block2):
     """
     Create a UHD source object supplying complex floats.
-    
+
     Selects user supplied subdevice or chooses first available one.
 
-    Calibration value is the offset from the tuned frequency to 
-    the actual frequency.       
+    Calibration value is the offset from the tuned frequency to
+    the actual frequency.
     """
     def __init__(self, args, spec, antenna, samp_rate, gain=None, calibration=0.0):
 	gr.hier_block2.__init__(self, "uhd_src",
@@ -93,19 +93,19 @@ class uhd_src(gr.hier_block2):
         # Set the subdevice spec
         if(spec):
             self._src.set_subdev_spec(spec, 0)
-            
+
         # Set the antenna
         if(antenna):
             self._src.set_antenna(antenna, 0)
-        
+
         self._src.set_samp_rate(samp_rate)
 	dev_rate = self._src.get_samp_rate()
         self._samp_rate = samp_rate
-        
+
         # Resampler to get to exactly samp_rate no matter what dev_rate is
         self._rrate = samp_rate / dev_rate
         self._resamp = blks2.pfb_arb_resampler_ccf(self._rrate)
-        
+
 	# If no gain specified, set to midrange
         gain_range = self._src.get_gain_range()
 	if gain is None:
@@ -121,7 +121,7 @@ class uhd_src(gr.hier_block2):
 
     def rate(self):
         return self._samp_rate
-        
+
 class app_top_block(gr.top_block):
     def __init__(self, options):
 	gr.top_block.__init__(self)
@@ -160,7 +160,7 @@ class app_top_block(gr.top_block):
 				  False)		 # Zero, not gate output
 
 	AGC = gr.agc_cc(1.0/channel_rate,  # Time constant
-			1.0,     	   # Reference power 
+			1.0,     	   # Reference power
 			1.0,               # Initial gain
 			1.0)		   # Maximum gain
 
@@ -184,7 +184,7 @@ class app_top_block(gr.top_block):
 	    out_decim = int(out_lcm // options.output_rate)
 	    RSAMP = blks2.rational_resampler_fff(out_interp, out_decim)
 	    self.connect(tail, RSAMP)
-	    tail = RSAMP 
+	    tail = RSAMP
 
 	# Send to audio output device
         AUDIO = audio.sink(int(options.output_rate),
@@ -201,7 +201,7 @@ class app_top_block(gr.top_block):
         md = self.async_src.msg_to_async_metadata_t(msg)
         print "Channel: %i Time: %f Event: %i" % (md.channel, md.time_spec.get_real_secs(), md.event_code)
 
-	
+
 def main():
     parser = OptionParser(option_class=eng_option)
     parser.add_option("-a", "--args", type="string", default="",
@@ -244,7 +244,7 @@ def main():
     if options.modulation is None:
         sys.stderr.write("Must supply a modulation type (AM, FM, WFM).\n")
         sys.exit(1)
-        
+
     tb = app_top_block(options)
     try:
         tb.run()
diff --git a/gr-uhd/apps/uhd_siggen b/gr-uhd/apps/uhd_siggen
index 26e0d79a40..52fc24922f 100755
--- a/gr-uhd/apps/uhd_siggen
+++ b/gr-uhd/apps/uhd_siggen
@@ -1,24 +1,24 @@
 #!/usr/bin/env python
 #
 # Copyright 2008,2009,2011,2012 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
 from gnuradio.uhd import uhd_siggen_base as uhd_siggen
@@ -27,7 +27,7 @@ import sys
 def main():
     if gr.enable_realtime_scheduling() != gr.RT_OK:
         print "Note: failed to enable realtime scheduling, continuing"
-    
+
     # Grab command line options and create top block
     try:
         (options, args) = uhd_siggen.get_options()
diff --git a/gr-uhd/apps/uhd_siggen_base.py b/gr-uhd/apps/uhd_siggen_base.py
index 3c16440ab5..5fa881e429 100644
--- a/gr-uhd/apps/uhd_siggen_base.py
+++ b/gr-uhd/apps/uhd_siggen_base.py
@@ -1,24 +1,24 @@
 #!/usr/bin/env python
 #
 # Copyright 2008,2009,2011,2012 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.
-# 
+#
 
 DESC_KEY = 'desc'
 SAMP_RATE_KEY = 'samp_rate'
@@ -85,7 +85,7 @@ class top_block(gr.top_block, pubsub):
         self.subscribe(TYPE_KEY, self.set_waveform)
 
         #force update on pubsub keys
-        for key in (SAMP_RATE_KEY, GAIN_KEY, TX_FREQ_KEY, 
+        for key in (SAMP_RATE_KEY, GAIN_KEY, TX_FREQ_KEY,
                     AMPLITUDE_KEY, WAVEFORM_FREQ_KEY,
                     WAVEFORM_OFFSET_KEY, WAVEFORM2_FREQ_KEY):
             self[key] = self[key]
@@ -120,7 +120,7 @@ class top_block(gr.top_block, pubsub):
                 dboard_serial = "no serial"
             subdev = self._u.get_subdev_spec()
             antenna = self._u.get_antenna()
-            
+
             desc_key_str = "Motherboard: %s [%s]\n" % (mboard_id, mboard_serial)
             desc_key_str += "Daughterboard: %s [%s]\n" % (dboard_id, dboard_serial)
             desc_key_str += "Subdev: %s\n" % subdev
@@ -172,7 +172,7 @@ class top_block(gr.top_block, pubsub):
             self._src2.set_sampling_freq(self[WAVEFORM_FREQ_KEY]*2*math.pi/self[SAMP_RATE_KEY])
         else:
             return True # Waveform not yet set
-        
+
         if self._verbose:
             print "Set sample rate to:", sr
 
@@ -211,7 +211,7 @@ class top_block(gr.top_block, pubsub):
                 print "Tx RF frequency:  %sHz" % (n2s(tr.actual_rf_freq),)
                 print "Tx DSP frequency: %sHz" % (n2s(tr.actual_dsp_freq),)
         elif self._verbose:
-            print "Failed to set freq." 
+            print "Failed to set freq."
         return tr
 
     def set_waveform_freq(self, freq):
@@ -313,7 +313,7 @@ class top_block(gr.top_block, pubsub):
             self._src.set_k(amplitude)
         else:
             return True # Waveform not yet set
-        
+
         if self._verbose:
             print "Set amplitude to:", amplitude
         return True
@@ -342,7 +342,7 @@ def get_options():
     parser.add_option("--sine", dest="type", action="store_const", const=gr.GR_SIN_WAVE,
                       help="Generate a carrier modulated by a complex sine wave",
                       default=gr.GR_SIN_WAVE)
-    parser.add_option("--const", dest="type", action="store_const", const=gr.GR_CONST_WAVE, 
+    parser.add_option("--const", dest="type", action="store_const", const=gr.GR_CONST_WAVE,
                       help="Generate a constant carrier")
     parser.add_option("--offset", type="eng_float", default=0,
                       help="Set waveform phase offset to OFFSET [default=%default]")
@@ -371,7 +371,7 @@ def get_options():
 def test_main():
     if gr.enable_realtime_scheduling() != gr.RT_OK:
         print "Note: failed to enable realtime scheduling, continuing"
-    
+
     # Grab command line options and create top block
     try:
         (options, args) = get_options()
diff --git a/gr-uhd/apps/uhd_siggen_gui b/gr-uhd/apps/uhd_siggen_gui
index 7e0fdc0410..70929b1825 100755
--- a/gr-uhd/apps/uhd_siggen_gui
+++ b/gr-uhd/apps/uhd_siggen_gui
@@ -1,24 +1,24 @@
 #!/usr/bin/env python
 #
 # Copyright 2009,2011,2012 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.
-# 
+#
 
 import wx
 from gnuradio import gr, uhd
@@ -152,7 +152,7 @@ class app_gui(pubsub):
             key=uhd_siggen.TX_FREQ_KEY,
         )
         freq_hbox.AddSpacer(10)
-        
+
         forms.slider(
             parent=self.panel, sizer=freq_hbox,
             proportion=2,
author	Tom Rondeau <trondeau@vt.edu>	2012-04-13 18:36:53 -0400
committer	Tom Rondeau <trondeau@vt.edu>	2012-04-13 18:36:53 -0400
commit	f919f9dcbb54a08e6e26d6c229ce92fb784fa1b2 (patch)
tree	7e846386b9eb1676f9a93fc4a1e55916b9accc97 /gr-uhd/apps
parent	6a1e9783fec6ed827f49db27c171591d30f32933 (diff)