From 5f0bc5a2096012d6a94f72e20190ab8b3e0b4f88 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Wed, 12 Oct 2011 17:01:44 -0400
Subject: digital: wip: moved all OFDM examples and blks2impl to gr-digital.
---
gnuradio-examples/python/ofdm/receive_path.py | 105 --------------------------
1 file changed, 105 deletions(-)
delete mode 100644 gnuradio-examples/python/ofdm/receive_path.py
(limited to 'gnuradio-examples/python/ofdm/receive_path.py')
diff --git a/gnuradio-examples/python/ofdm/receive_path.py b/gnuradio-examples/python/ofdm/receive_path.py
deleted file mode 100644
index b758bc4d0c..0000000000
--- a/gnuradio-examples/python/ofdm/receive_path.py
+++ /dev/null
@@ -1,105 +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
-
-# from current dir
-from pick_bitrate import pick_rx_bitrate
-
-# /////////////////////////////////////////////////////////////////////////////
-# 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
--
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