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authormanojgudi2013-10-01 17:22:29 +0530
committermanojgudi2013-10-01 17:22:47 +0530
commited97c528ce61496e10d612a4f5e9aef509b65ccf (patch)
tree81c10c71bd20df77e65d02056b3f2b022299b4ea /gr-digital/python/bpsk.py
parente25fe808cf6a20e9469d1380d497e23205a379b6 (diff)
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Removed unwanted blocks and changed CMakefile
Diffstat (limited to 'gr-digital/python/bpsk.py')
-rw-r--r--gr-digital/python/bpsk.py171
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diff --git a/gr-digital/python/bpsk.py b/gr-digital/python/bpsk.py
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-#
-# Copyright 2005,2006,2011 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.
-#
-
-"""
-BPSK modulation and demodulation.
-"""
-
-from math import pi, log
-from cmath import exp
-
-from gnuradio import gr
-from gnuradio.digital.generic_mod_demod import generic_mod, generic_demod
-import digital_swig
-import modulation_utils
-
-# Default number of points in constellation.
-_def_constellation_points = 2
-# Whether differential coding is used.
-_def_differential = False
-
-# /////////////////////////////////////////////////////////////////////////////
-# BPSK constellation
-# /////////////////////////////////////////////////////////////////////////////
-
-def bpsk_constellation(m=_def_constellation_points):
- if m != _def_constellation_points:
- raise ValueError("BPSK can only have 2 constellation points.")
- return digital_swig.constellation_bpsk()
-
-# /////////////////////////////////////////////////////////////////////////////
-# BPSK modulator
-# /////////////////////////////////////////////////////////////////////////////
-
-class bpsk_mod(generic_mod):
-
- def __init__(self, constellation_points=_def_constellation_points,
- differential=False, *args, **kwargs):
-
- """
- Hierarchical block for RRC-filtered BPSK modulation.
-
- The input is a byte stream (unsigned char) and the
- output is the complex modulated signal at baseband.
-
- See generic_mod block for list of parameters.
- """
-
- constellation_points = _def_constellation_points
- constellation = digital_swig.constellation_bpsk()
- if constellation_points != 2:
- raise ValueError('Number of constellation points must be 2 for BPSK.')
- super(bpsk_mod, self).__init__(constellation=constellation,
- differential=differential, *args, **kwargs)
-
-# /////////////////////////////////////////////////////////////////////////////
-# BPSK demodulator
-#
-# /////////////////////////////////////////////////////////////////////////////
-
-class bpsk_demod(generic_demod):
-
- def __init__(self, constellation_points=_def_constellation_points,
- differential=False, *args, **kwargs):
-
- """
- Hierarchical block for RRC-filtered BPSK modulation.
-
- The input is a byte stream (unsigned char) and the
- output is the complex modulated signal at baseband.
-
- See generic_demod block for list of parameters.
- """
-
- constellation_points = _def_constellation_points
- constellation = digital_swig.constellation_bpsk()
- if constellation_points != 2:
- raise ValueError('Number of constellation points must be 2 for BPSK.')
- super(bpsk_demod, self).__init__(constellation=constellation,
- differential=differential, *args, **kwargs)
-
-
-
-# /////////////////////////////////////////////////////////////////////////////
-# DBPSK constellation
-# /////////////////////////////////////////////////////////////////////////////
-
-def dbpsk_constellation(m=_def_constellation_points):
- if m != _def_constellation_points:
- raise ValueError("DBPSK can only have 2 constellation points.")
- return digital_swig.constellation_dbpsk()
-
-# /////////////////////////////////////////////////////////////////////////////
-# DBPSK modulator
-# /////////////////////////////////////////////////////////////////////////////
-
-class dbpsk_mod(generic_mod):
-
- def __init__(self, constellation_points=_def_constellation_points,
- differential=True, *args, **kwargs):
-
- """
- Hierarchical block for RRC-filtered DBPSK modulation.
-
- The input is a byte stream (unsigned char) and the
- output is the complex modulated signal at baseband.
-
- See generic_mod block for list of parameters.
- """
-
- constellation_points = _def_constellation_points
- constellation = digital_swig.constellation_bpsk()
- if constellation_points != 2:
- raise ValueError('Number of constellation points must be 2 for DBPSK.')
- super(dbpsk_mod, self).__init__(constellation=constellation,
- differential=True,
- *args, **kwargs)
-
-# /////////////////////////////////////////////////////////////////////////////
-# DBPSK demodulator
-#
-# /////////////////////////////////////////////////////////////////////////////
-
-class dbpsk_demod(generic_demod):
-
- def __init__(self, constellation_points=_def_constellation_points,
- differential=True, *args, **kwargs):
-
- """
- Hierarchical block for RRC-filtered DBPSK modulation.
-
- The input is a byte stream (unsigned char) and the
- output is the complex modulated signal at baseband.
-
- See generic_demod block for list of parameters.
- """
-
- constellation_points = _def_constellation_points
- constellation = digital_swig.constellation_bpsk()
- if constellation_points != 2:
- raise ValueError('Number of constellation points must be 2 for DBPSK.')
- super(dbpsk_demod, self).__init__(constellation=constellation,
- differential=True,
- *args, **kwargs)
-
-#
-# Add these to the mod/demod registry
-#
-modulation_utils.add_type_1_mod('bpsk', bpsk_mod)
-modulation_utils.add_type_1_demod('bpsk', bpsk_demod)
-modulation_utils.add_type_1_constellation('bpsk', bpsk_constellation)
-modulation_utils.add_type_1_mod('dbpsk', dbpsk_mod)
-modulation_utils.add_type_1_demod('dbpsk', dbpsk_demod)
-modulation_utils.add_type_1_constellation('dbpsk', dbpsk_constellation)