diff options
Diffstat (limited to 'gr-msdd6000/src/python-examples/ofdm/receive_path.py')
| -rw-r--r-- | gr-msdd6000/src/python-examples/ofdm/receive_path.py | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/gr-msdd6000/src/python-examples/ofdm/receive_path.py b/gr-msdd6000/src/python-examples/ofdm/receive_path.py deleted file mode 100644 index 11c714aaf..000000000 --- a/gr-msdd6000/src/python-examples/ofdm/receive_path.py +++ /dev/null @@ -1,102 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2005,2006 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, blks2 -from gnuradio import usrp -from gnuradio import eng_notation -import copy -import sys - -# ///////////////////////////////////////////////////////////////////////////// -# receive path -# ///////////////////////////////////////////////////////////////////////////// - -class receive_path(gr.hier_block2): - def __init__(self, rx_callback, options): - - gr.hier_block2.__init__(self, "receive_path", - gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature - gr.io_signature(0, 0, 0)) # Output signature - - - options = copy.copy(options) # make a copy so we can destructively modify - - self._verbose = options.verbose - self._log = options.log - self._rx_callback = rx_callback # this callback is fired when there's a packet available - - # receiver - self.ofdm_rx = \ - blks2.ofdm_demod(options, callback=self._rx_callback) - - # Carrier Sensing Blocks - alpha = 0.001 - thresh = 30 # in dB, will have to adjust - self.probe = gr.probe_avg_mag_sqrd_c(thresh,alpha) - - self.connect(self, self.ofdm_rx) - self.connect(self.ofdm_rx, self.probe) - - # Display some information about the setup - if self._verbose: - self._print_verbage() - - def carrier_sensed(self): - """ - Return True if we think carrier is present. - """ - #return self.probe.level() > X - return self.probe.unmuted() - - def carrier_threshold(self): - """ - Return current setting in dB. - """ - return self.probe.threshold() - - def set_carrier_threshold(self, threshold_in_db): - """ - Set carrier threshold. - - @param threshold_in_db: set detection threshold - @type threshold_in_db: float (dB) - """ - self.probe.set_threshold(threshold_in_db) - - - def add_options(normal, expert): - """ - Adds receiver-specific options to the Options Parser - """ - normal.add_option("-v", "--verbose", action="store_true", default=False) - expert.add_option("", "--log", action="store_true", default=False, - help="Log all parts of flow graph to files (CAUTION: lots of data)") - - # Make a static method to call before instantiation - add_options = staticmethod(add_options) - - - def _print_verbage(self): - """ - Prints information about the receive path - """ - pass |