diff options
Diffstat (limited to 'gnuradio-examples/python/digital/usrp_transmit_path.py')
| -rw-r--r-- | gnuradio-examples/python/digital/usrp_transmit_path.py | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/gnuradio-examples/python/digital/usrp_transmit_path.py b/gnuradio-examples/python/digital/usrp_transmit_path.py deleted file mode 100644 index f0f467599..000000000 --- a/gnuradio-examples/python/digital/usrp_transmit_path.py +++ /dev/null @@ -1,101 +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 transmit_path -from pick_bitrate import pick_tx_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_tx_options(parser) - transmit_path.transmit_path.add_options(parser, expert) - expert.add_option("", "--tx-freq", type="eng_float", default=None, - help="set transmit frequency to FREQ [default=%default]", metavar="FREQ") - parser.add_option("-v", "--verbose", action="store_true", default=False) - -class usrp_transmit_path(gr.hier_block2): - def __init__(self, modulator_class, options): - ''' - See below for what options should hold - ''' - gr.hier_block2.__init__(self, "usrp_transmit_path", - gr.io_signature(0, 0, 0), # Input signature - gr.io_signature(0, 0, 0)) # Output signature - if options.tx_freq is None: - sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n") - raise SystemExit - - #setup usrp - self._modulator_class = modulator_class - self._setup_usrp_sink(options) - - tx_path = transmit_path.transmit_path(modulator_class, options) - for attr in dir(tx_path): #forward the methods - if not attr.startswith('_') and not hasattr(self, attr): - setattr(self, attr, getattr(tx_path, attr)) - - #connect - self.connect(tx_path, self.u) - - def _setup_usrp_sink(self, options): - """ - Creates a USRP sink, determines the settings for best bitrate, - and attaches to the transmitter's subdevice. - """ - self.u = usrp_options.create_usrp_sink(options) - dac_rate = self.u.dac_rate() - self.rs_rate = options.bitrate # Store requested bit rate - - (self._bitrate, self._samples_per_symbol, self._interp) = \ - pick_tx_bitrate(options.bitrate, self._modulator_class.bits_per_symbol(), - options.samples_per_symbol, options.interp, - dac_rate, self.u.get_interp_rates()) - - options.interp = self._interp - options.samples_per_symbol = self._samples_per_symbol - options.bitrate = self._bitrate - - if options.verbose: - print 'USRP Sink:', self.u - print "Interpolation Rate: ", self._interp - - self.u.set_interp(self._interp) - self.u.set_auto_tr(True) - - if not self.u.set_center_freq(options.tx_freq): - print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(options.tx_freq)) - raise ValueError, eng_notation.num_to_str(options.tx_freq) |