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Diffstat (limited to 'gnuradio-examples/python/digital/usrp_receive_path.py')
| -rw-r--r-- | gnuradio-examples/python/digital/usrp_receive_path.py | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/gnuradio-examples/python/digital/usrp_receive_path.py b/gnuradio-examples/python/digital/usrp_receive_path.py deleted file mode 100644 index a8f16e28a9..0000000000 --- a/gnuradio-examples/python/digital/usrp_receive_path.py +++ /dev/null @@ -1,96 +0,0 @@ -# -# Copyright 2009 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 import usrp_options -import receive_path -from pick_bitrate import pick_rx_bitrate -from gnuradio import eng_notation - -def add_freq_option(parser): - """ - Hackery that has the -f / --freq option set both tx_freq and rx_freq - """ - def freq_callback(option, opt_str, value, parser): - parser.values.rx_freq = value - parser.values.tx_freq = value - - if not parser.has_option('--freq'): - parser.add_option('-f', '--freq', type="eng_float", - action="callback", callback=freq_callback, - help="set Tx and/or Rx frequency to FREQ [default=%default]", - metavar="FREQ") - -def add_options(parser, expert): - add_freq_option(parser) - usrp_options.add_rx_options(parser) - receive_path.receive_path.add_options(parser, expert) - expert.add_option("", "--rx-freq", type="eng_float", default=None, - help="set Rx frequency to FREQ [default=%default]", metavar="FREQ") - parser.add_option("-v", "--verbose", action="store_true", default=False) - -class usrp_receive_path(gr.hier_block2): - - def __init__(self, demod_class, rx_callback, options): - ''' - See below for what options should hold - ''' - gr.hier_block2.__init__(self, "usrp_receive_path", - gr.io_signature(0, 0, 0), # Input signature - gr.io_signature(0, 0, 0)) # Output signature - if options.rx_freq is None: - sys.stderr.write("-f FREQ or --freq FREQ or --rx-freq FREQ must be specified\n") - raise SystemExit - - #setup usrp - self._demod_class = demod_class - self._setup_usrp_source(options) - - rx_path = receive_path.receive_path(demod_class, rx_callback, options) - for attr in dir(rx_path): #forward the methods - if not attr.startswith('_') and not hasattr(self, attr): - setattr(self, attr, getattr(rx_path, attr)) - - #connect - self.connect(self.u, rx_path) - - def _setup_usrp_source(self, options): - self.u = usrp_options.create_usrp_source(options) - adc_rate = self.u.adc_rate() - self.rs_rate = options.bitrate - - (self._bitrate, self._samples_per_symbol, self._decim) = \ - pick_rx_bitrate(options.bitrate, self._demod_class.bits_per_symbol(), \ - options.samples_per_symbol, options.decim, - adc_rate, self.u.get_decim_rates()) - - if options.verbose: - print 'USRP Source:', self.u - print 'Decimation: ', self._decim - - options.samples_per_symbol = self._samples_per_symbol - options.decim = self._decim - - self.u.set_decim(self._decim) - - if not self.u.set_center_freq(options.rx_freq): - print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(options.rx_freq)) - raise ValueError, eng_notation.num_to_str(options.rx_freq) |