diff options
Diffstat (limited to 'gr-digital/examples/narrowband/receive_path.py')
| -rw-r--r-- | gr-digital/examples/narrowband/receive_path.py | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/gr-digital/examples/narrowband/receive_path.py b/gr-digital/examples/narrowband/receive_path.py index 8bbfe92770..f4d0dcc1ea 100644 --- a/gr-digital/examples/narrowband/receive_path.py +++ b/gr-digital/examples/narrowband/receive_path.py @@ -1,24 +1,28 @@ #!/usr/bin/env python # # Copyright 2005-2007,2011 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. -# +# + +from __future__ import print_function +from __future__ import division +from __future__ import unicode_literals from gnuradio import gr, gru, filter from gnuradio import eng_notation @@ -34,10 +38,10 @@ import sys class receive_path(gr.hier_block2): def __init__(self, demod_class, rx_callback, options): - gr.hier_block2.__init__(self, "receive_path", - gr.io_signature(1, 1, gr.sizeof_gr_complex), - gr.io_signature(0, 0, 0)) - + gr.hier_block2.__init__(self, "receive_path", + gr.io_signature(1, 1, gr.sizeof_gr_complex), + gr.io_signature(0, 0, 0)) + options = copy.copy(options) # make a copy so we can destructively modify self._verbose = options.verbose @@ -56,10 +60,10 @@ class receive_path(gr.hier_block2): # Make sure the channel BW factor is between 1 and sps/2 # or the filter won't work. - if(self._chbw_factor < 1.0 or self._chbw_factor > self.samples_per_symbol()/2): - sys.stderr.write("Channel bandwidth factor ({0}) must be within the range [1.0, {1}].\n".format(self._chbw_factor, self.samples_per_symbol()/2)) + if(self._chbw_factor < 1.0 or self._chbw_factor > self.samples_per_symbol() / 2): + sys.stderr.write("Channel bandwidth factor ({0}) must be within the range [1.0, {1}].\n".format(self._chbw_factor, self.samples_per_symbol() / 2)) sys.exit(1) - + # Design filter to get actual channel we want sw_decim = 1 chan_coeffs = filter.firdes.low_pass(1.0, # gain @@ -68,7 +72,7 @@ class receive_path(gr.hier_block2): 0.5, # width of trans. band filter.firdes.WIN_HANN) # filter type self.channel_filter = filter.fft_filter_ccc(sw_decim, chan_coeffs) - + # receiver self.packet_receiver = \ digital.demod_pkts(self.demodulator, @@ -85,8 +89,8 @@ class receive_path(gr.hier_block2): if self._verbose: self._print_verbage() - # connect block input to channel filter - self.connect(self, self.channel_filter) + # connect block input to channel filter + self.connect(self, self.channel_filter) # connect the channel input filter to the carrier power detector self.connect(self.channel_filter, self.probe) @@ -145,8 +149,8 @@ class receive_path(gr.hier_block2): """ Prints information about the receive path """ - print "\nReceive Path:" - print "modulation: %s" % (self._demod_class.__name__) - print "bitrate: %sb/s" % (eng_notation.num_to_str(self._bitrate)) - print "samples/symbol: %.4f" % (self.samples_per_symbol()) - print "Differential: %s" % (self.differential()) + print("\nReceive Path:") + print("modulation: %s" % (self._demod_class.__name__)) + print("bitrate: %sb/s" % (eng_notation.num_to_str(self._bitrate))) + print("samples/symbol: %.4f" % (self.samples_per_symbol())) + print("Differential: %s" % (self.differential())) |