ofdm: removed old ofdm examples directory. All examples are now in gr-digital.

5 files changed, 0 insertions, 264 deletions

diff --git a/gnuradio-examples/python/ofdm/.gitignore b/gnuradio-examples/python/ofdm/.gitignore
deleted file mode 100644
index 2f6a10e95..000000000
--- a/gnuradio-examples/python/ofdm/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-/Makefile
-/Makefile.in
-/*.pyc
-/*.dat
diff --git a/gnuradio-examples/python/ofdm/Makefile.am b/gnuradio-examples/python/ofdm/Makefile.am
deleted file mode 100644
index fc7156b4c..000000000
--- a/gnuradio-examples/python/ofdm/Makefile.am
+++ /dev/null
@@ -1,42 +0,0 @@
-#
-# Copyright 2007,2009 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.
-# 
-
-include $(top_srcdir)/Makefile.common
-
-ourdatadir = $(exampledir)/ofdm
-
-dist_ourdata_DATA =		\
-	ofdm_sync.m		\
-	ofdm_sync_pn.m		\
-	fusb_options.py		\
-	plot_ofdm.m		\
-	pick_bitrate.py		\
-	receive_path.py		\
-	transmit_path.py
-
-dist_ourdata_SCRIPTS =		\
-	benchmark_ofdm.py	\
-	benchmark_ofdm_rx.py	\
-	benchmark_ofdm_tx.py	\
-	fftshift.py		\
-	ofdm_mod_demod_test.py	\
-	tunnel.py
-
diff --git a/gnuradio-examples/python/ofdm/fftshift.py b/gnuradio-examples/python/ofdm/fftshift.py
deleted file mode 100755
index 98abf5d4b..000000000
--- a/gnuradio-examples/python/ofdm/fftshift.py
+++ /dev/null
@@ -1,44 +0,0 @@
-#!/usr/bin/env python
-
-from gnuradio import gr
-
-class my_top_block(gr.top_block):
-    def __init__(self):
-        gr.top_block.__init__(self)
-
-        length = 101
-
-        data_r = range(length)
-        data_i = range(length,2*length)
-        src_r = gr.vector_source_s(data_r, False)
-        src_i = gr.vector_source_s(data_i, False)
-        s2f_r = gr.short_to_float()
-        s2f_i = gr.short_to_float()
-        f2c = gr.float_to_complex()
-        s2v = gr.stream_to_vector(gr.sizeof_gr_complex, length)
-
-        shift = True
-        ifft = gr.fft_vcc(length, False, [], shift)
-        fft  = gr.fft_vcc(length, True, [], shift)
-        
-        v2s = gr.vector_to_stream(gr.sizeof_gr_complex, length)
-        snk_in = gr.file_sink(gr.sizeof_gr_complex, "fftshift.in")
-        snk_out = gr.file_sink(gr.sizeof_gr_complex, "fftshift.out")
-
-        self.connect(src_r, s2f_r, (f2c,0))
-        self.connect(src_i, s2f_i, (f2c,1))
-        self.connect(f2c, snk_in)
-        self.connect(f2c, s2v, ifft, fft, v2s, snk_out)
-        
-
-def main():
-    tb = my_top_block()
-    tb.start()
-    tb.wait()
-
-if __name__ == "__main__":
-    try:
-        main()
-    except KeyboardInterrupt:
-        pass
-    
diff --git a/gnuradio-examples/python/ofdm/fusb_options.py b/gnuradio-examples/python/ofdm/fusb_options.py
deleted file mode 100644
index 153e06bea..000000000
--- a/gnuradio-examples/python/ofdm/fusb_options.py
+++ /dev/null
@@ -1,31 +0,0 @@
-#
-# Copyright 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.
-# 
-
-def add_options(parser):
-    """
-    Add Fast USB specifc options to command line parser.
-    
-    @param parser: instance of OptionParser
-    """
-    parser.add_option("-B", "--fusb-block-size", type="int", default=0,
-                      help="specify fast usb block size [default=%default]")
-    parser.add_option("-N", "--fusb-nblocks", type="int", default=0,
-                      help="specify number of fast usb blocks [default=%default]")
diff --git a/gnuradio-examples/python/ofdm/pick_bitrate.py b/gnuradio-examples/python/ofdm/pick_bitrate.py
deleted file mode 100644
index 82a476888..000000000
--- a/gnuradio-examples/python/ofdm/pick_bitrate.py
+++ /dev/null
@@ -1,143 +0,0 @@
-#
-# 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.
-# 
-
-_default_bitrate = 500e3
-
-_valid_samples_per_symbol = (2,3,4,5,6,7)
-
-def _gen_tx_info(converter_rate):
-    results = []
-    for samples_per_symbol in _valid_samples_per_symbol:
-        for interp in range(16, 512 + 1, 4):
-            bitrate = converter_rate / interp / samples_per_symbol
-            results.append((bitrate, samples_per_symbol, interp))
-    results.sort()
-    return results
-
-def _gen_rx_info(converter_rate):
-    results = []
-    for samples_per_symbol in _valid_samples_per_symbol:
-        for decim in range(8, 256 + 1, 2):
-            bitrate = converter_rate / decim / samples_per_symbol
-            results.append((bitrate, samples_per_symbol, decim))
-    results.sort()
-    return results
-    
-def _filter_info(info, samples_per_symbol, xrate):
-    if samples_per_symbol is not None:
-        info = [x for x in info if x[1] == samples_per_symbol]
-    if xrate is not None:
-        info = [x for x in info if x[2] == xrate]
-    return info
-
-def _pick_best(target_bitrate, bits_per_symbol, info):
-    """
-    @returns tuple (bitrate, samples_per_symbol, interp_rate_or_decim_rate)
-    """
-    if len(info) == 0:
-        raise RuntimeError, "info is zero length!"
-
-    if target_bitrate is None:     # return the fastest one
-        return info[-1]
-    
-    # convert bit rate to symbol rate
-    target_symbolrate = target_bitrate / bits_per_symbol
-    
-    # Find the closest matching symbol rate.
-    # In the event of a tie, the one with the lowest samples_per_symbol wins.
-    # (We already sorted them, so the first one is the one we take)
-
-    best = info[0]
-    best_delta = abs(target_symbolrate - best[0])
-    for x in info[1:]:
-        delta = abs(target_symbolrate - x[0])
-        if delta < best_delta:
-            best_delta = delta
-            best = x
-
-    # convert symbol rate back to bit rate
-    return ((best[0] * bits_per_symbol),) + best[1:]
-
-def _pick_bitrate(bitrate, bits_per_symbol, samples_per_symbol,
-                  xrate, converter_rate, gen_info):
-    """
-    @returns tuple (bitrate, samples_per_symbol, interp_rate_or_decim_rate)
-    """
-    if not isinstance(bits_per_symbol, int) or bits_per_symbol < 1:
-        raise ValueError, "bits_per_symbol must be an int >= 1"
-    
-    if samples_per_symbol is not None and xrate is not None:  # completely determined
-        return (float(converter_rate) / xrate / samples_per_symbol,
-                samples_per_symbol, xrate)
-
-    if bitrate is None and samples_per_symbol is None and xrate is None:
-        bitrate = _default_bitrate
-
-    # now we have a target bitrate and possibly an xrate or
-    # samples_per_symbol constraint, but not both of them.
-
-    return _pick_best(bitrate, bits_per_symbol,
-                      _filter_info(gen_info(converter_rate), samples_per_symbol, xrate))
-    
-# ---------------------------------------------------------------------------------------
-
-def pick_tx_bitrate(bitrate, bits_per_symbol, samples_per_symbol,
-                    interp_rate, converter_rate=128e6):
-    """
-    Given the 4 input parameters, return at configuration that matches
-
-    @param bitrate: desired bitrate or None
-    @type bitrate: number or None
-    @param bits_per_symbol: E.g., BPSK -> 1, QPSK -> 2, 8-PSK -> 3
-    @type bits_per_symbol: integer >= 1
-    @param samples_per_symbol: samples/baud (aka samples/symbol)
-    @type samples_per_symbol: number or None
-    @param interp_rate: USRP interpolation factor
-    @type interp_rate: integer or None
-    @param converter_rate: converter sample rate in Hz
-    @type converter_rate: number
-
-    @returns tuple (bitrate, samples_per_symbol, interp_rate)
-    """
-    return _pick_bitrate(bitrate, bits_per_symbol, samples_per_symbol,
-                         interp_rate, converter_rate, _gen_tx_info)
-
-
-def pick_rx_bitrate(bitrate, bits_per_symbol, samples_per_symbol,
-                    decim_rate, converter_rate=64e6):
-    """
-    Given the 4 input parameters, return at configuration that matches
-
-    @param bitrate: desired bitrate or None
-    @type bitrate: number or None
-    @param bits_per_symbol: E.g., BPSK -> 1, QPSK -> 2, 8-PSK -> 3
-    @type bits_per_symbol: integer >= 1
-    @param samples_per_symbol: samples/baud (aka samples/symbol)
-    @type samples_per_symbol: number or None
-    @param decim_rate: USRP decimation factor
-    @type decim_rate: integer or None
-    @param converter_rate: converter sample rate in Hz
-    @type converter_rate: number
-
-    @returns tuple (bitrate, samples_per_symbol, decim_rate)
-    """
-    return _pick_bitrate(bitrate, bits_per_symbol, samples_per_symbol,
-                         decim_rate, converter_rate, _gen_rx_info)