From 6d9a16470bbb416d311a8830d7db42d6c69a39cf Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <johnathan@corganlabs.com>
Date: Thu, 8 Sep 2016 13:15:11 -0700
Subject: wxgui: removed
---
gr-uhd/examples/python/usrp_nbfm_rcv.py | 384 --------------------------------
1 file changed, 384 deletions(-)
delete mode 100755 gr-uhd/examples/python/usrp_nbfm_rcv.py
(limited to 'gr-uhd/examples/python/usrp_nbfm_rcv.py')
diff --git a/gr-uhd/examples/python/usrp_nbfm_rcv.py b/gr-uhd/examples/python/usrp_nbfm_rcv.py
deleted file mode 100755
index e3dc7eac6b..0000000000
--- a/gr-uhd/examples/python/usrp_nbfm_rcv.py
+++ /dev/null
@@ -1,384 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2005,2007,2011,2012 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, audio, uhd
-from gnuradio import blocks
-from gnuradio import filter
-from gnuradio import analog
-from gnuradio.eng_option import eng_option
-from gnuradio.wxgui import slider, powermate
-from gnuradio.wxgui import stdgui2, fftsink2, form
-from optparse import OptionParser
-import sys
-import math
-import wx
-
-#////////////////////////////////////////////////////////////////////////
-# Control Stuff
-#////////////////////////////////////////////////////////////////////////
-
-class my_top_block (stdgui2.std_top_block):
- def __init__(self,frame,panel,vbox,argv):
- stdgui2.std_top_block.__init__ (self,frame,panel,vbox,argv)
-
- parser=OptionParser(option_class=eng_option)
- parser.add_option("-a", "--args", type="string", default="",
- help="UHD device address args [default=%default]")
- parser.add_option("", "--spec", type="string", default=None,
- help="Subdevice of UHD device where appropriate")
- parser.add_option("-A", "--antenna", type="string", default=None,
- help="select Rx Antenna where appropriate")
- parser.add_option("-f", "--freq", type="eng_float", default=146.585e6,
- help="set frequency to FREQ", metavar="FREQ")
- parser.add_option("-g", "--gain", type="eng_float", default=None,
- help="set gain in dB (default is midpoint)")
- parser.add_option("-V", "--volume", type="eng_float", default=None,
- help="set volume (default is midpoint)")
- parser.add_option("-O", "--audio-output", type="string", default="default",
- help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp")
- parser.add_option("-N", "--no-gui", action="store_true", default=False)
-
- (options, args) = parser.parse_args()
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- if options.freq < 1e6:
- options.freq *= 1e6
-
- self.frame = frame
- self.panel = panel
-
- self.state = "FREQ"
- self.freq = 0
- self.freq_step = 25e3
-
- self.rxpath = receive_path(options.args, options.spec, options.antenna,
- options.gain, options.audio_output)
- self.connect(self.rxpath)
-
- self._build_gui(vbox, options.no_gui)
-
- # set initial values
-
- if options.volume is not None:
- self.set_volume(options.volume)
-
- if not(self.set_freq(options.freq)):
- self._set_status_msg("Failed to set initial frequency")
-
- self.set_gain(self.rxpath.gain) # update gui
- self.set_volume(self.rxpath.volume) # update gui
- self.set_squelch(self.rxpath.threshold()) # update gui
-
-
- def _set_status_msg(self, msg, which=0):
- self.frame.GetStatusBar().SetStatusText(msg, which)
-
-
- def _build_gui(self, vbox, no_gui):
-
- def _form_set_freq(kv):
- return self.set_freq(kv['freq'])
-
-
- self.src_fft = None
- if 0 and not(no_gui):
- self.src_fft = fftsink2.fft_sink_c(self.panel,
- title="Data from USRP",
- fft_size=512,
- sample_rate=self.rxpath.if_rate,
- ref_scale=32768.0,
- ref_level=0,
- y_per_div=10,
- y_divs=12)
- self.connect (self.rxpath.u, self.src_fft)
- vbox.Add (self.src_fft.win, 4, wx.EXPAND)
- if 1 and not(no_gui):
- rx_fft = fftsink2.fft_sink_c(self.panel,
- title="Post s/w Resampling",
- fft_size=512,
- sample_rate=self.rxpath.quad_rate,
- ref_level=80,
- y_per_div=20)
- self.connect (self.rxpath.resamp, rx_fft)
- vbox.Add (rx_fft.win, 4, wx.EXPAND)
-
- if 1 and not(no_gui):
- post_deemph_fft = fftsink2.fft_sink_f(self.panel,
- title="Post Deemph",
- fft_size=512,
- sample_rate=self.rxpath.audio_rate,
- y_per_div=10,
- ref_level=-40)
- self.connect (self.rxpath.fmrx.deemph, post_deemph_fft)
- vbox.Add (post_deemph_fft.win, 4, wx.EXPAND)
-
- if 0:
- post_filt_fft = fftsink2.fft_sink_f(self.panel,
- title="Post Filter",
- fft_size=512,
- sample_rate=audio_rate,
- y_per_div=10,
- ref_level=-40)
- self.connect (self.guts.audio_filter, post_filt)
- vbox.Add (fft_win4, 4, wx.EXPAND)
-
- # control area form at bottom
- self.myform = myform = form.form()
-
- hbox = wx.BoxSizer(wx.HORIZONTAL)
- hbox.Add((5,0), 0)
- myform['freq'] = form.float_field(
- parent=self.panel, sizer=hbox, label="Freq", weight=1,
- callback=myform.check_input_and_call(_form_set_freq,
- self._set_status_msg))
-
- #hbox.Add((5,0), 0)
- #myform['freq_slider'] = \
- # form.quantized_slider_field(parent=self.panel, sizer=hbox, weight=3,
- # range=(87.9e6, 108.1e6, 0.1e6),
- # callback=self.set_freq)
-
- hbox.Add((5,0), 0)
- vbox.Add(hbox, 0, wx.EXPAND)
-
- hbox = wx.BoxSizer(wx.HORIZONTAL)
- hbox.Add((5,0), 0)
-
- myform['volume'] = \
- form.quantized_slider_field(parent=self.panel, sizer=hbox, label="Volume",
- weight=3, range=self.volume_range(),
- callback=self.set_volume)
- hbox.Add((5,0), 0)
- myform['squelch'] = \
- form.quantized_slider_field(parent=self.panel, sizer=hbox, label="Squelch",
- weight=3, range=self.rxpath.squelch_range(),
- callback=self.set_squelch)
- g = self.rxpath.u.get_gain_range()
- hbox.Add((5,0), 0)
- myform['gain'] = \
- form.quantized_slider_field(parent=self.panel, sizer=hbox, label="Gain",
- weight=3, range=(g.start(), g.stop(), g.step()),
- callback=self.set_gain)
- hbox.Add((5,0), 0)
- vbox.Add(hbox, 0, wx.EXPAND)
-
- try:
- self.knob = powermate.powermate(self.frame)
- self.rot = 0
- powermate.EVT_POWERMATE_ROTATE (self.frame, self.on_rotate)
- powermate.EVT_POWERMATE_BUTTON (self.frame, self.on_button)
- except:
- print "FYI: No Powermate or Contour Knob found"
-
-
- def on_rotate (self, event):
- self.rot += event.delta
- if (self.state == "FREQ"):
- if self.rot >= 3:
- self.set_freq(self.freq + self.freq_step)
- self.rot -= 3
- elif self.rot <=-3:
- self.set_freq(self.freq - self.freq_step)
- self.rot += 3
- else:
- step = self.volume_range()[2]
- if self.rot >= 3:
- self.set_volume(self.rxpath.volume + step)
- self.rot -= 3
- elif self.rot <=-3:
- self.set_volume(self.rxpath.volume - step)
- self.rot += 3
-
- def on_button (self, event):
- if event.value == 0: # button up
- return
- self.rot = 0
- if self.state == "FREQ":
- self.state = "VOL"
- else:
- self.state = "FREQ"
- self.update_status_bar ()
-
-
- def set_squelch(self, threshold_in_db):
- self.rxpath.set_squelch(threshold_in_db)
- self.myform['squelch'].set_value(self.rxpath.threshold())
-
- def set_volume (self, vol):
- self.rxpath.set_volume(vol)
- self.myform['volume'].set_value(self.rxpath.volume)
- self.update_status_bar ()
-
- def set_freq(self, target_freq):
- r = self.rxpath.set_freq(target_freq)
- if r:
- self.freq = target_freq
- self.myform['freq'].set_value(target_freq) # update displayed value
- #self.myform['freq_slider'].set_value(target_freq) # update displayed value
- self.update_status_bar()
- self._set_status_msg("OK", 0)
- return True
-
- self._set_status_msg("Failed", 0)
- return False
-
- def set_gain(self, gain):
- self.myform['gain'].set_value(gain) # update displayed value
- self.rxpath.set_gain(gain)
-
- def update_status_bar (self):
- msg = "Volume:%r Setting:%s" % (self.rxpath.volume, self.state)
- self._set_status_msg(msg, 1)
- if self.src_fft:
- self.src_fft.set_baseband_freq(self.freq)
-
- def volume_range(self):
- return (-20.0, 0.0, 0.5)
-
-
-#////////////////////////////////////////////////////////////////////////
-# Receive Path
-#////////////////////////////////////////////////////////////////////////
-
-USE_SIMPLE_SQUELCH = False
-
-class receive_path(gr.hier_block2):
- def __init__(self, args, spec, antenna, gain, audio_output):
- gr.hier_block2.__init__(self, "receive_path",
- gr.io_signature(0, 0, 0), # Input signature
- gr.io_signature(0, 0, 0)) # Output signature
-
- self.u = uhd.usrp_source(device_addr=args, stream_args=uhd.stream_args('fc32'))
-
- # Set the subdevice spec
- if(spec):
- self.u.set_subdev_spec(spec, 0)
-
- # Set the antenna
- if(antenna):
- self.u.set_antenna(antenna, 0)
-
- self.if_rate = 256e3
- self.quad_rate = 64e3
- self.audio_rate = 32e3
-
- self.u.set_samp_rate(self.if_rate)
- dev_rate = self.u.get_samp_rate()
-
- # Create filter to get actual channel we want
- nfilts = 32
- chan_coeffs = filter.firdes.low_pass(nfilts, # gain
- nfilts*dev_rate, # sampling rate
- 8e3, # low pass cutoff freq
- 2e3, # width of trans. band
- filter.firdes.WIN_HANN) # filter type
- rrate = self.quad_rate / dev_rate
- self.resamp = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts)
-
- if USE_SIMPLE_SQUELCH:
- self.squelch = analog.simple_squelch_cc(20)
- else:
- self.squelch = analog.standard_squelch(self.audio_rate)
-
- # instantiate the guts of the single channel receiver
- self.fmrx = analog.nbfm_rx(self.audio_rate, self.quad_rate)
-
- # audio gain / mute block
- self._audio_gain = blocks.multiply_const_ff(1.0)
-
- # sound card as final sink
- audio_sink = audio.sink (int(self.audio_rate), audio_output)
-
- # now wire it all together
- if USE_SIMPLE_SQUELCH:
- self.connect (self.u, self.resamp, self.squelch, self.fmrx,
- self._audio_gain, audio_sink)
- else:
- self.connect (self.u, self.resamp, self.fmrx, self.squelch,
- self._audio_gain, audio_sink)
-
- if gain is None:
- # if no gain was specified, use the mid-point in dB
- g = self.u.get_gain_range()
- gain = float(g.start()+g.stop())/2
-
- self.set_gain(gain)
-
- v = self.volume_range()
- self.set_volume((v[0]+v[1])/2)
-
- s = self.squelch_range()
- self.set_squelch((s[0]+s[1])/2)
-
- def volume_range(self):
- return (-20.0, 0.0, 0.5)
-
- def set_volume (self, vol):
- g = self.volume_range()
- self.volume = max(g[0], min(g[1], vol))
- self._update_audio_gain()
-
- def _update_audio_gain(self):
- self._audio_gain.set_k(10**(self.volume/10))
-
- def squelch_range(self):
- r = self.squelch.squelch_range()
- #print "squelch_range: ", r
- return r
-
- def set_squelch(self, threshold):
- #print "SQL =", threshold
- self.squelch.set_threshold(threshold)
-
- def threshold(self):
- t = self.squelch.threshold()
- #print "t =", t
- return t
-
- def set_freq(self, target_freq):
- """
- Set the center frequency we're interested in.
-
- Args:
- target_freq: frequency in Hz
- @rypte: bool
- """
-
- r = self.u.set_center_freq(target_freq)
- if r:
- return True
- return False
-
- def set_gain(self, gain):
- self.gain = gain
- self.u.set_gain(gain)
-
-
-# ////////////////////////////////////////////////////////////////////////
-# Main
-# ////////////////////////////////////////////////////////////////////////
-
-if __name__ == '__main__':
- app = stdgui2.stdapp (my_top_block, "USRP NBFM RX")
- app.MainLoop ()
--
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