diff options
Diffstat (limited to 'gnuradio-examples/python')
| -rw-r--r-- | gnuradio-examples/python/ofdm/.gitignore | 4 | ||||
| -rw-r--r-- | gnuradio-examples/python/ofdm/Makefile.am | 42 | ||||
| -rwxr-xr-x | gnuradio-examples/python/ofdm/fftshift.py | 44 | ||||
| -rw-r--r-- | gnuradio-examples/python/ofdm/fusb_options.py | 31 | ||||
| -rw-r--r-- | gnuradio-examples/python/ofdm/pick_bitrate.py | 143 |
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) |