From 42c1bfdc72b29f18c5a750a07959d4cc760411b4 Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Tue, 4 Sep 2007 13:21:24 +0000
Subject: Cleanup on gnuradio-examples restructuring.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6287 221aa14e-8319-0410-a670-987f0aec2ac5
---
gnuradio-examples/python/digital/limbo/README | 12 --
.../python/digital/limbo/benchmark_gmsk_rx.py | 128 -----------------
.../python/digital/limbo/benchmark_gmsk_tx.py | 150 --------------------
.../python/digital/limbo/benchmark_mpsk_rx.py | 149 --------------------
.../python/digital/limbo/benchmark_mpsk_tx.py | 151 ---------------------
.../python/digital/limbo/gmsk_test.py | 115 ----------------
.../python/digital/limbo/mpsk_test.py | 125 -----------------
.../python/digital/limbo/qpsk_tester.py | 127 -----------------
.../python/digital/limbo/qpsk_usrp_tester.py | 103 --------------
9 files changed, 1060 deletions(-)
delete mode 100644 gnuradio-examples/python/digital/limbo/README
delete mode 100755 gnuradio-examples/python/digital/limbo/benchmark_gmsk_rx.py
delete mode 100755 gnuradio-examples/python/digital/limbo/benchmark_gmsk_tx.py
delete mode 100755 gnuradio-examples/python/digital/limbo/benchmark_mpsk_rx.py
delete mode 100755 gnuradio-examples/python/digital/limbo/benchmark_mpsk_tx.py
delete mode 100755 gnuradio-examples/python/digital/limbo/gmsk_test.py
delete mode 100755 gnuradio-examples/python/digital/limbo/mpsk_test.py
delete mode 100644 gnuradio-examples/python/digital/limbo/qpsk_tester.py
delete mode 100644 gnuradio-examples/python/digital/limbo/qpsk_usrp_tester.py
(limited to 'gnuradio-examples/python/digital')
diff --git a/gnuradio-examples/python/digital/limbo/README b/gnuradio-examples/python/digital/limbo/README
deleted file mode 100644
index fe48f43583..0000000000
--- a/gnuradio-examples/python/digital/limbo/README
+++ /dev/null
@@ -1,12 +0,0 @@
-Files in here are in various states of disrepair and/or have been
-superceded by revised code in the directory above.
-
-They're here until we figure out what to do with them.
-
-
-* gmsk_test.py: stand-alone program that exercises the GMSK packet tx
-and rx code. The two halves are connected with a simulated noisy
-channel. It's easy to add extra instrumentation to log various internal
-states. We used a variant of this code to get this working in the
-first place.
-
diff --git a/gnuradio-examples/python/digital/limbo/benchmark_gmsk_rx.py b/gnuradio-examples/python/digital/limbo/benchmark_gmsk_rx.py
deleted file mode 100755
index 16f11e05e4..0000000000
--- a/gnuradio-examples/python/digital/limbo/benchmark_gmsk_rx.py
+++ /dev/null
@@ -1,128 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2005 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, blks
-from gnuradio import usrp
-from gnuradio import eng_notation
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-
-import random
-import struct
-
-# from current dir
-from receive_path import receive_path
-import fusb_options
-
-#import os
-#print os.getpid()
-#raw_input('Attach and press enter')
-
-
-class my_graph(gr.flow_graph):
-
- def __init__(self, demod_class, rx_subdev_spec,
- bitrate, decim_rate, spb,
- rx_callback, options, demod_kwargs):
- gr.flow_graph.__init__(self)
- self.rxpath = receive_path(self, demod_class, rx_subdev_spec,
- bitrate, decim_rate, spb,
- rx_callback, options, demod_kwargs)
-
-# /////////////////////////////////////////////////////////////////////////////
-# main
-# /////////////////////////////////////////////////////////////////////////////
-
-global n_rcvd, n_right
-
-def main():
- global n_rcvd, n_right
-
- n_rcvd = 0
- n_right = 0
-
- def rx_callback(ok, payload):
- global n_rcvd, n_right
- (pktno,) = struct.unpack('!H', payload[0:2])
- n_rcvd += 1
- if ok:
- n_right += 1
-
- print "ok = %r pktno = %4d n_rcvd = %4d n_right = %4d" % (
- ok, pktno, n_rcvd, n_right)
-
- parser = OptionParser (option_class=eng_option)
- parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None,
- help="select USRP Rx side A or B")
- parser.add_option("-f", "--freq", type="eng_float", default=423.1e6,
- help="set Rx frequency to FREQ [default=%default]",
- metavar="FREQ")
- parser.add_option("-r", "--bitrate", type="eng_float", default=None,
- help="specify bitrate. spb and interp will be derived.")
- parser.add_option("-g", "--rx-gain", type="eng_float", default=27,
- help="set rx gain")
- parser.add_option("-S", "--spb", type="int", default=None,
- help="set samples/baud [default=%default]")
- parser.add_option("-d", "--decim", type="intx", default=None,
- help="set fpga decim rate to DECIM [default=%default]")
- fusb_options.add_options(parser)
- (options, args) = parser.parse_args ()
-
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- if options.freq < 1e6:
- options.freq *= 1e6
-
- demod_kwargs = { } # placeholder
-
- # build the graph
- fg = my_graph(blks.gmsk_demod,
- options.rx_subdev_spec, options.bitrate,
- options.decim, options.spb, rx_callback,
- options, demod_kwargs)
-
- print "bitrate: %sb/sec" % (eng_notation.num_to_str(fg.rxpath.bitrate()),)
- print "spb: %3d" % (fg.rxpath.spb(),)
- print "decim: %3d" % (fg.rxpath.decim(),)
-
- ok = fg.rxpath.set_freq(options.freq)
- if not ok:
- print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(options.freq),)
- raise SystemExit
-
- fg.rxpath.set_gain(options.rx_gain)
- print "Rx gain_range: ", fg.rxpath.subdev.gain_range(), " using", fg.rxpath.gain
-
- r = gr.enable_realtime_scheduling()
- if r != gr.RT_OK:
- print "Warning: Failed to enable realtime scheduling."
-
- fg.start() # start flow graph
- fg.wait() # wait for it to finish
-
-if __name__ == '__main__':
- try:
- main()
- except KeyboardInterrupt:
- pass
diff --git a/gnuradio-examples/python/digital/limbo/benchmark_gmsk_tx.py b/gnuradio-examples/python/digital/limbo/benchmark_gmsk_tx.py
deleted file mode 100755
index 662e9e544a..0000000000
--- a/gnuradio-examples/python/digital/limbo/benchmark_gmsk_tx.py
+++ /dev/null
@@ -1,150 +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, blks
-from gnuradio import usrp
-from gnuradio import eng_notation
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-
-import random
-import time
-import struct
-import sys
-
-# from current dir
-from transmit_path import transmit_path
-import fusb_options
-
-#import os
-#print os.getpid()
-#raw_input('Attach and press enter')
-
-class my_graph(gr.flow_graph):
-
- def __init__(self, options, mod_kwargs):
- gr.flow_graph.__init__(self)
- self.txpath = transmit_path(self, options, mod_kwargs)
-
-
-# /////////////////////////////////////////////////////////////////////////////
-# main
-# /////////////////////////////////////////////////////////////////////////////
-
-def main():
-
- def send_pkt(payload='', eof=False):
- return fg.txpath.send_pkt(payload, eof)
-
- def rx_callback(ok, payload):
- print "ok = %r, payload = '%s'" % (ok, payload)
-
- parser = OptionParser (option_class=eng_option)
- parser.add_option("-T", "--tx-subdev-spec", type="subdev", default=None,
- help="select USRP Tx side A or B")
- parser.add_option("-f", "--freq", type="eng_float", default=423.1e6,
- help="set Tx and Rx frequency to FREQ [default=%default]",
- metavar="FREQ")
- parser.add_option("-r", "--bitrate", type="eng_float", default=None,
- help="specify bitrate. spb and interp will be derived.")
- parser.add_option("-S", "--spb", type="int", default=2,
- help="set samples/baud [default=%default]")
- parser.add_option("-i", "--interp", type="intx", default=None,
- help="set fpga interpolation rate to INTERP [default=%default]")
- parser.add_option("-s", "--size", type="eng_float", default=1500,
- help="set packet size [default=%default]")
- parser.add_option("", "--bt", type="float", default=0.3,
- help="set bandwidth-time product [default=%default]")
- parser.add_option("-g", "--gain", type="eng_float", default=100.0,
- help="transmitter gain [default=%default]")
- parser.add_option("-M", "--megabytes", type="eng_float", default=1.0,
- help="set megabytes to transmit [default=%default]")
- parser.add_option("","--discontinuous", action="store_true", default=False,
- help="enable discontinous transmission (bursts of 5 packets)")
- fusb_options.add_options(parser)
- (options, args) = parser.parse_args ()
-
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- if options.freq < 1e6:
- options.freq *= 1e6
-
- pkt_size = int(options.size)
-
- # Add gmsk_mod modulator class to options list
- options.modulation = getattr(blks, "gmsk_mod")
-
- # Add GMSK modulator's properties
- mod_kwargs = {
- 'spb': options.spb,
- 'bt' : options.bt,
- 'verbose' : False,
- 'debug' : False,
- }
-
- # build the graph
- fg = my_graph(options, mod_kwargs)
-
- print "bitrate: %sbps" % (eng_notation.num_to_str(fg.txpath.bitrate()),)
- print "spb: %3d" % (fg.txpath.spb(),)
- print "interp: %3d" % (fg.txpath.interp(),)
-
- ok = fg.txpath.set_freq(options.freq)
- if not ok:
- print "Failed to set Tx frequency to %s" % (eng_notation.num_to_str(options.freq),)
- raise SystemExit
- else:
- print "Transmitting on frequency %s" % (eng_notation.num_to_str(options.freq))
-
- r = gr.enable_realtime_scheduling()
- if r != gr.RT_OK:
- print "Warning: failed to enable realtime scheduling"
- else:
- print "Started realtime scheduling"
-
- fg.start() # start flow graph
-
- # generate and send packets
- nbytes = int(1e6 * options.megabytes)
- n = 0
- pktno = 0
-
- while n < nbytes:
- send_pkt(struct.pack('!H', pktno) + (pkt_size - 2) * chr(pktno & 0xff))
- n += pkt_size
- sys.stderr.write('.')
- if options.discontinuous and pktno % 5 == 4:
- time.sleep(1)
- pktno += 1
-
- send_pkt(eof=True)
- fg.wait() # wait for it to finish
- fg.txpath.set_auto_tr(False)
-
-
-if __name__ == '__main__':
- try:
- main()
- except KeyboardInterrupt:
- pass
diff --git a/gnuradio-examples/python/digital/limbo/benchmark_mpsk_rx.py b/gnuradio-examples/python/digital/limbo/benchmark_mpsk_rx.py
deleted file mode 100755
index a16842d4f3..0000000000
--- a/gnuradio-examples/python/digital/limbo/benchmark_mpsk_rx.py
+++ /dev/null
@@ -1,149 +0,0 @@
-#!/usr/bin/env python
-#
-# 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.
-#
-
-from gnuradio import gr, gru, blks
-from gnuradio import usrp
-from gnuradio import eng_notation
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-
-import random
-import struct
-
-# from current dir
-from bpsk import bpsk_demod
-from dbpsk import dbpsk_demod
-from dqpsk import dqpsk_demod
-from receive_path import receive_path
-import fusb_options
-
-if 1:
- import os
- print os.getpid()
- raw_input('Attach and press enter')
-
-
-class my_graph(gr.flow_graph):
-
- def __init__(self, demod_class, rx_subdev_spec,
- bitrate, decim_rate, spb,
- rx_callback, options, demod_kwargs):
- gr.flow_graph.__init__(self)
- self.rxpath = receive_path(self, demod_class, rx_subdev_spec,
- bitrate, decim_rate, spb,
- rx_callback, options, demod_kwargs)
-
-# /////////////////////////////////////////////////////////////////////////////
-# main
-# /////////////////////////////////////////////////////////////////////////////
-
-global n_rcvd, n_right
-
-def main():
- global n_rcvd, n_right
-
- n_rcvd = 0
- n_right = 0
-
- def rx_callback(ok, payload):
- global n_rcvd, n_right
- (pktno,) = struct.unpack('!H', payload[0:2])
- n_rcvd += 1
- if ok:
- n_right += 1
-
- print "ok = %r pktno = %4d n_rcvd = %4d n_right = %4d" % (
- ok, pktno, n_rcvd, n_right)
-
- parser = OptionParser (option_class=eng_option)
- parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None,
- help="select USRP Rx side A or B")
- parser.add_option("-f", "--freq", type="eng_float", default=423.1e6,
- help="set Rx frequency to FREQ [default=%default]",
- metavar="FREQ")
- parser.add_option("-r", "--bitrate", type="eng_float", default=None,
- help="specify bitrate. spb and interp will be derived.")
- parser.add_option("-S", "--spb", type="int", default=None,
- help="set samples/baud [default=%default]")
- parser.add_option("-d", "--decim", type="intx", default=None,
- help="set fpga decim rate to DECIM [default=%default]")
- parser.add_option("-m", "--modulation", type="string", default='dbpsk',
- help="modulation type (bpsk, dbpsk, dqpsk) [default=%default]")
- parser.add_option("", "--excess-bw", type="float", default=0.3,
- help="set RRC excess bandwith factor [default=%default]")
- parser.add_option("-g", "--gain", type="eng_float", default=27,
- help="set rx gain")
- parser.add_option("","--log", action="store_true", default=False,
- help="enable diagnostic logging")
- fusb_options.add_options(parser)
- (options, args) = parser.parse_args ()
-
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- if options.freq < 1e6:
- options.freq *= 1e6
-
- demod_kwargs = {
- 'excess_bw' : options.excess_bw,
- }
-
- #FIXME: Needs to be worked in to overall structure; this will be fixed
- # once static class definitions for modulations are defined
- if(options.modulation=='bpsk'):
- modulation=bpsk_demod
- elif(options.modulation=='dbpsk'):
- modulation=dbpsk_demod
- else:
- modulation=dqpsk_demod
-
- # build the graph
- fg = my_graph(modulation,
- options.rx_subdev_spec, options.bitrate,
- options.decim, options.spb,
- rx_callback, options, demod_kwargs)
-
- print "bitrate: %sb/sec" % (eng_notation.num_to_str(fg.rxpath.bitrate()),)
- print "spb: %3d" % (fg.rxpath.spb(),)
- print "decim: %3d" % (fg.rxpath.decim(),)
-
- ok = fg.rxpath.set_freq(options.freq)
- if not ok:
- print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(options.freq),)
- raise SystemExit
-
- fg.rxpath.set_gain(options.gain)
- print "Rx gain_range: ", fg.rxpath.subdev.gain_range(), " using", fg.rxpath.gain
-
- r = gr.enable_realtime_scheduling()
- if r != gr.RT_OK:
- print "Warning: Failed to enable realtime scheduling."
-
- fg.start() # start flow graph
- fg.wait() # wait for it to finish
-
-if __name__ == '__main__':
- try:
- main()
- except KeyboardInterrupt:
- pass
diff --git a/gnuradio-examples/python/digital/limbo/benchmark_mpsk_tx.py b/gnuradio-examples/python/digital/limbo/benchmark_mpsk_tx.py
deleted file mode 100755
index 9e1d98f1dd..0000000000
--- a/gnuradio-examples/python/digital/limbo/benchmark_mpsk_tx.py
+++ /dev/null
@@ -1,151 +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, blks
-from gnuradio import usrp
-from gnuradio import eng_notation
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-
-import random, time, struct, sys
-
-# from current dir
-from transmit_path import transmit_path
-import fusb_options
-
-#import os
-#print os.getpid()
-#raw_input('Attach and press enter')
-
-
-class my_graph(gr.flow_graph):
-
- def __init__(self, options, mod_kwargs):
- gr.flow_graph.__init__(self)
- self.txpath = transmit_path(self, options, mod_kwargs)
-
-
-# /////////////////////////////////////////////////////////////////////////////
-# main
-# /////////////////////////////////////////////////////////////////////////////
-
-def main():
-
- def send_pkt(payload='', eof=False):
- return fg.txpath.send_pkt(payload, eof)
-
- def rx_callback(ok, payload):
- print "ok = %r, payload = '%s'" % (ok, payload)
-
- parser = OptionParser (option_class=eng_option)
- parser.add_option("-T", "--tx-subdev-spec", type="subdev", default=None,
- help="select USRP Tx side A or B")
- parser.add_option("-f", "--freq", type="eng_float", default=423.1e6,
- help="set Tx and Rx frequency to FREQ [default=%default]",
- metavar="FREQ")
- parser.add_option("-r", "--bitrate", type="eng_float", default=None,
- help="specify bitrate. spb and interp will be derived.")
- parser.add_option("-S", "--spb", type="int", default=2,
- help="set samples/baud [default=%default]")
- parser.add_option("-i", "--interp", type="intx", default=None,
- help="set fpga interpolation rate to INTERP [default=%default]")
- parser.add_option("-s", "--size", type="eng_float", default=1500,
- help="set packet size [default=%default]")
- parser.add_option("-g", "--gain", type="eng_float", default=100.0,
- help="transmitter gain [default=%default]")
- parser.add_option("-M", "--megabytes", type="eng_float", default=1.0,
- help="set megabytes to transmit [default=%default]")
- parser.add_option("","--discontinuous", action="store_true", default=False,
- help="enable discontinous transmission (bursts of 5 packets)")
-
- parser.add_option("-m", "--modulation", type="string", default='dbpsk',
- help="modulation type (bpsk, dbpsk, dqpsk) [default=%default]")
- parser.add_option("", "--excess-bw", type="float", default=0.3,
- help="set RRC excess bandwith factor [default=%default]")
- parser.add_option("", "--no-gray-code", action="store_false", default=True,
- help="Don't use gray coding on modulated bits [default=%default]")
-
- fusb_options.add_options(parser)
- (options, args) = parser.parse_args ()
-
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- if options.freq < 1e6:
- options.freq *= 1e6
-
- pkt_size = int(options.size)
-
- # Add PSK modulator class to options list
- options.modulation = getattr(blks, options.modulation + "_mod")
-
- # Add PSK modulator's properties
- mod_kwargs = {
- 'spb' : options.spb,
- 'excess_bw' : options.excess_bw,
- 'gray_code' : options.no_gray_code,
- 'verbose' : False,
- 'debug' : False,
- }
-
- # build the graph
- fg = my_graph(options, mod_kwargs)
-
- print "bitrate: %sb/sec" % (eng_notation.num_to_str(fg.txpath.bitrate()),)
- print "spb: %3d" % (fg.txpath.spb(),)
- print "interp: %3d" % (fg.txpath.interp(),)
-
- ok = fg.txpath.set_freq(options.freq)
- if not ok:
- print "Failed to set Tx frequency to %s" % (eng_notation.num_to_str(options.freq),)
- raise SystemExit
-
- r = gr.enable_realtime_scheduling()
- if r != gr.RT_OK:
- print "Warning: failed to enable realtime scheduling"
-
- fg.start() # start flow graph
-
- # generate and send packets
- nbytes = int(1e6 * options.megabytes)
- n = 0
- pktno = 0
-
- while n < nbytes:
- send_pkt(struct.pack('!H', pktno) + (pkt_size - 2) * chr(pktno & 0xff))
- n += pkt_size
- sys.stderr.write('.')
- if options.discontinuous and pktno % 5 == 4:
- time.sleep(1)
- pktno += 1
-
- send_pkt(eof=True)
- fg.wait() # wait for it to finish
- fg.txpath.set_auto_tr(False)
-
-
-if __name__ == '__main__':
- try:
- main()
- except KeyboardInterrupt:
- pass
diff --git a/gnuradio-examples/python/digital/limbo/gmsk_test.py b/gnuradio-examples/python/digital/limbo/gmsk_test.py
deleted file mode 100755
index 7ae69a0a94..0000000000
--- a/gnuradio-examples/python/digital/limbo/gmsk_test.py
+++ /dev/null
@@ -1,115 +0,0 @@
-#!/usr/bin/env python
-
-from gnuradio import gr, blks
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import random
-import struct
-
-#import os
-#print os.getpid()
-#raw_input('Attach and press enter')
-
-
-class my_graph(gr.flow_graph):
-
- def __init__(self, rx_callback, spb, bt, SNR, freq_error):
- gr.flow_graph.__init__(self)
-
- fg = self
-
- # Tuning Parameters
- gain_mu = 0.002*spb
- omega = spb*(1+freq_error)
-
- # transmitter
- self.packet_transmitter = blks.gmsk2_mod_pkts(fg, spb=spb, bt=bt)
-
- # add some noise
- add = gr.add_cc()
- noise = gr.noise_source_c(gr.GR_GAUSSIAN, pow(10.0,-SNR/20.0))
-
- # channel filter
- rx_filt_taps = gr.firdes.low_pass(1,spb,0.8,0.1,gr.firdes.WIN_HANN)
- rx_filt = gr.fir_filter_ccf(1,rx_filt_taps)
-
- # receiver
- self.packet_receiver = blks.gmsk2_demod_pkts(fg, callback=rx_callback,
- spb=spb, gain_mu=gain_mu,
- freq_error=freq_error, omega=omega)
-
- fg.connect (self.packet_transmitter, (add,0))
- fg.connect (noise, (add,1))
- fg.connect(add, rx_filt, self.packet_receiver)
-
-
-class stats(object):
- def __init__(self):
- self.npkts = 0
- self.nright = 0
-
-def main():
- st = stats()
-
- def send_pkt(payload='', eof=False):
- fg.packet_transmitter.send_pkt(payload, eof)
-
- def rx_callback(ok, payload):
- st.npkts += 1
- if ok:
- st.nright += 1
- if len(payload) <= 16:
- print "ok = %5r payload = '%s' %d/%d" % (ok, payload, st.nright, st.npkts)
- else:
- (pktno,) = struct.unpack('!H', payload[0:2])
- print "ok = %5r pktno = %4d len(payload) = %4d %d/%d" % (ok, pktno, len(payload),
- st.nright, st.npkts)
-
-
- parser = OptionParser (option_class=eng_option)
- parser.add_option("-M", "--megabytes", type="eng_float", default=1,
- help="set megabytes to transmit [default=%default]")
- parser.add_option("-s", "--size", type="eng_float", default=1500,
- help="set packet size [default=%default]")
- parser.add_option("","--spb", type=int, default=4,
- help="set samples per baud to SPB [default=%default]")
- parser.add_option("", "--bt", type="eng_float", default=0.3,
- help="set bandwidth time product for Gaussian filter [default=%default]")
- parser.add_option("", "--snr", type="eng_float", default=20,
- help="set SNR in dB for simulation [default=%default]")
- parser.add_option("", "--freq-error", type="eng_float", default=0,
- help="set frequency error for simulation [default=%default]")
- (options, args) = parser.parse_args ()
-
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- pkt_size = int(options.size)
-
- fg = my_graph(rx_callback, options.spb, options.bt, options.snr, options.freq_error)
- fg.start()
-
- nbytes = int(1e6 * options.megabytes)
- n = 0
- pktno = 0
-
- send_pkt('Hello World')
-
- # generate and send packets
- while n < nbytes:
- send_pkt(struct.pack('!H', pktno) + (pkt_size - 2) * chr(pktno & 0xff))
- n += pkt_size
- pktno += 1
-
- send_pkt('Goodbye World')
- send_pkt(eof=True) # tell modulator we're not sending any more pkts
-
- fg.wait()
-
-
-if __name__ == '__main__':
- try:
- main()
- except KeyboardInterrupt:
- pass
diff --git a/gnuradio-examples/python/digital/limbo/mpsk_test.py b/gnuradio-examples/python/digital/limbo/mpsk_test.py
deleted file mode 100755
index 1f257d9c5d..0000000000
--- a/gnuradio-examples/python/digital/limbo/mpsk_test.py
+++ /dev/null
@@ -1,125 +0,0 @@
-#!/usr/bin/env python
-
-from gnuradio import gr, blks
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import random
-import struct
-from mpsk_pkt import *
-import cmath
-
-class my_graph(gr.flow_graph):
-
- def __init__(self, rx_callback, spb, excess_bw, SNR, freq_error, arity):
- gr.flow_graph.__init__(self)
-
- fg = self
-
- # Tuning Parameters
- gain_mu = 0.05/spb
-
- # transmitter
- self.packet_transmitter = \
- mpsk_mod_pkts(fg, spb=spb, excess_bw=excess_bw, diff=True, arity=arity)
-
- # ----------------------------------------------------------------
- # Channel model
- # ----------------------------------------------------------------
-
- awgn = gr.noise_source_c(gr.GR_GAUSSIAN, pow(10.0,-SNR/20.0))
- add = gr.add_cc() # add some noise
- fg.connect(awgn, (add,1))
- radians = 17*pi/180
- phase_rotate = gr.multiply_const_cc(cmath.exp(radians * 1j))
-
- # ----------------------------------------------------------------
-
- # channel filter
- rx_filt_taps = gr.firdes.low_pass(1,spb,0.8,0.1,gr.firdes.WIN_HANN)
- #rx_filt_taps = (1,)
- rx_filt = gr.fir_filter_ccf(1,rx_filt_taps)
-
- # receiver
- self.packet_receiver = \
- mpsk_demod_pkts(fg, callback=rx_callback,
- excess_bw=excess_bw, arity=arity, diff=True,
- costas_alpha=.005, gain_mu=gain_mu, spb=spb)
-
- fg.connect (self.packet_transmitter, (add,0))
- fg.connect(add, phase_rotate, rx_filt, self.packet_receiver)
-
-
-class stats(object):
- def __init__(self):
- self.npkts = 0
- self.nright = 0
-
-def main():
- st = stats()
-
- def send_pkt(payload='', eof=False):
- fg.packet_transmitter.send_pkt(payload, eof)
-
- def rx_callback(ok, payload):
- st.npkts += 1
- if ok:
- st.nright += 1
- if len(payload) <= 16:
- print "ok = %5r payload = '%s' %d/%d" % (ok, payload, st.nright, st.npkts)
- else:
- (pktno,) = struct.unpack('!H', payload[0:2])
- print "ok = %5r pktno = %4d len(payload) = %4d %d/%d" % (ok, pktno, len(payload),
- st.nright, st.npkts)
-
-
- parser = OptionParser (option_class=eng_option)
- parser.add_option("-M", "--megabytes", type="eng_float", default=1,
- help="set megabytes to transmit [default=%default]")
- parser.add_option("-s", "--size", type="eng_float", default=1500,
- help="set packet size [default=%default]")
- parser.add_option("","--spb", type=int, default=4,
- help="set samples per baud to SPB [default=%default]")
- parser.add_option("", "--excess-bw", type="eng_float", default=0.4,
- help="set excess bandwidth for RRC filter [default=%default]")
- parser.add_option("", "--snr", type="eng_float", default=40,
- help="set SNR in dB for simulation [default=%default]")
- parser.add_option("", "--m-arity", type=int, default=4,
- help="PSK arity [default=%default]")
- parser.add_option("", "--freq-error", type="eng_float", default=0,
- help="set frequency error for simulation [default=%default]")
-
- (options, args) = parser.parse_args ()
-
- if len(args) != 0:
- parser.print_help()
- sys.exit(1)
-
- pkt_size = int(options.size)
-
- fg = my_graph(rx_callback, options.spb, options.excess_bw, options.snr,
- options.freq_error, options.m_arity)
- fg.start()
-
- nbytes = int(1e6 * options.megabytes)
- n = 0
- pktno = 0
-
- send_pkt('Hello World')
-
- # generate and send packets
- while n < nbytes:
- send_pkt(struct.pack('!H', pktno) + (pkt_size - 2) * chr(pktno & 0xff))
- n += pkt_size
- pktno += 1
-
- send_pkt('Goodbye World')
- send_pkt(eof=True) # tell modulator we're not sending any more pkts
-
- fg.wait()
-
-
-if __name__ == '__main__':
- try:
- main()
- except KeyboardInterrupt:
- pass
diff --git a/gnuradio-examples/python/digital/limbo/qpsk_tester.py b/gnuradio-examples/python/digital/limbo/qpsk_tester.py
deleted file mode 100644
index ea7bae2ebc..0000000000
--- a/gnuradio-examples/python/digital/limbo/qpsk_tester.py
+++ /dev/null
@@ -1,127 +0,0 @@
-#!/usr/bin/env python
-
-import random
-from gnuradio import gr
-
-default_access_code = '\xAC\xDD\xA4\xE2\xF2\x8C\x20\xFC'
-
-def string_to_1_0_list(s):
- r = []
- for ch in s:
- x = ord(ch)
- for i in range(8):
- t = (x >> i) & 0x1
- r.append(t)
-
- return r
-
-def to_1_0_string(L):
- return ''.join(map(lambda x: chr(x + ord('0')), L))
-
-code = string_to_1_0_list(default_access_code)
-access_code = to_1_0_string(code)
-
-use_agc = 0
-use_rrc_tx = 1
-use_rrc_rx = 1
-use_sync_loop = 1
-use_clock_sync = 1
-
-def main():
- fg = gr.flow_graph()
-
-# data = (1,2,3,4,5,6,7,8,9)
- random.seed()
- data = [random.randint(1,100) for i in range(20000)]
- data[0] = 0 # you know, for the diff encoding stuff
- bytes_src = gr.vector_source_b(data,False)
-
- k = 2
- spb = 50
- ntaps = 11*spb
- excess_bw = 0.9
- threshold = 12
- constellation = (1+0j, 0+1j, -1+0j, 0-1j)
-
- bytes2chunks = gr.packed_to_unpacked_bb(k, gr.GR_MSB_FIRST)
- diffenc = gr.diff_encoder_bb(4)
- chunks2symbols = gr.chunks_to_symbols_bc(constellation)
-
- if use_rrc_tx:
- rrc_taps_tx = gr.firdes.root_raised_cosine(spb, spb, 1.0, \
- excess_bw, ntaps)
- rrc_tx = gr.interp_fir_filter_ccf(spb, rrc_taps_tx)
- else:
- rrc_tx = gr.interp_fir_filter_ccf(1, (1,))
-
-################### CHANNEL MODEL #############################
-
- phase_rotate = gr.multiply_const_cc(1-0.36j)
- channel = gr.add_cc()
- awgn = gr.noise_source_c(gr.GR_GAUSSIAN, 0.5)
- fg.connect(awgn, (channel,1))
-
-################### CHANNEL MODEL #############################
-
- if use_agc:
- agc = gr.agc_cc(1e-4, 1, 1)
- else:
- agc = gr.multiply_const_cc(1)
-
- # Downconverter
- if use_sync_loop:
- costas_alpha=0.005
- beta = costas_alpha*costas_alpha*0.25
- sync_loop = gr.costas_loop_cc(costas_alpha, beta, 0.05, -0.05, 0)
- else:
- sync_loop = gr.multiply_const_cc(1)
-
- if use_rrc_rx:
- rrc_taps_rx = gr.firdes.root_raised_cosine(1, spb, 1.0, \
- excess_bw, ntaps)
- rrc_rx = gr.fir_filter_ccf(1, rrc_taps_rx)
- else:
- rrc_rx = gr.fir_filter_ccf(1, (1,))
-
- # Sampler
- if use_clock_sync:
- mu = 0.05
- omega = spb
- gain_mu = 0.05
- gain_omega = 0.25*gain_mu*gain_mu
- omega_rel_limit = 0.5
- clock_sync = gr.clock_recovery_mm_cc(omega, gain_omega, mu, \
- gain_mu, omega_rel_limit)
- #clock_sync.set_verbose(True);
- else:
- clock_sync = gr.fir_filter_ccf(1, (1,))
-
- diff_phasor = gr.diff_phasor_cc()
- slicer = gr.constellation_decoder_cb((constellation), (0,1,2,3))
- unpack = gr.unpack_k_bits_bb(k)
- access = gr.correlate_access_code_bb(access_code,threshold)
-
- sink = gr.file_sink(gr.sizeof_char, 'output.dat')
-
- fg.connect(bytes_src, bytes2chunks, diffenc, chunks2symbols, rrc_tx)
- fg.connect(rrc_tx, phase_rotate, channel, agc)
- fg.connect(agc, sync_loop, rrc_rx, clock_sync, diff_phasor, slicer, sink)
-
- test = gr.file_sink(gr.sizeof_gr_complex, 'test.dat')
- fg.connect(rrc_rx, test)
-
- fg.connect(chunks2symbols, gr.file_sink(gr.sizeof_gr_complex, 'rrc_tx.dat')) # into TX RRC
- fg.connect(channel, gr.file_sink(gr.sizeof_gr_complex, 'channel.dat')) # Out of TX RRC
- fg.connect(rrc_rx, gr.file_sink(gr.sizeof_gr_complex, 'rrc_rx.dat')) # Out of RX RRC -> clock_sync
- fg.connect(clock_sync, gr.file_sink(gr.sizeof_gr_complex, 'clock_sync.dat')) # Out of M&M sync loop
- fg.connect(bytes2chunks, gr.file_sink(gr.sizeof_char, 'source.dat'))
-
- fg.start()
- fg.wait()
-
-if __name__ == "__main__":
- main()
-
-
-
-
diff --git a/gnuradio-examples/python/digital/limbo/qpsk_usrp_tester.py b/gnuradio-examples/python/digital/limbo/qpsk_usrp_tester.py
deleted file mode 100644
index bf7698a2b2..0000000000
--- a/gnuradio-examples/python/digital/limbo/qpsk_usrp_tester.py
+++ /dev/null
@@ -1,103 +0,0 @@
-#!/usr/bin/env python
-
-import random
-from gnuradio import gr, gru, usrp
-
-default_access_code = '\xAC\xDD\xA4\xE2\xF2\x8C\x20\xFC'
-
-def string_to_1_0_list(s):
- r = []
- for ch in s:
- x = ord(ch)
- for i in range(8):
- t = (x >> i) & 0x1
- r.append(t)
-
- return r
-
-def to_1_0_string(L):
- return ''.join(map(lambda x: chr(x + ord('0')), L))
-
-code = string_to_1_0_list(default_access_code)
-
-access_code = to_1_0_string(code)
-
-def main():
-
- fg = gr.flow_graph()
- f_rf = 5e6
- fs = 400e3
- sr = 100e3
- alpha = 0.5
- M = 4
- k = int(gru.log2(M))
-
- # Source
- src = usrp.source_c ()
- adc_rate = src.adc_rate()
- usrp_decim = int(adc_rate / fs)
- src.set_decim_rate(usrp_decim)
-
- subdev_spec = usrp.pick_rx_subdevice(src)
- subdev = usrp.selected_subdev(src, subdev_spec)
- print "Using RX d'board %s" % (subdev.side_and_name(),)
- src.set_mux(usrp.determine_rx_mux_value(src, subdev_spec))
- src.tune(0, subdev, f_rf)
-
- g = subdev.gain_range()
- subdev.set_gain(g[1])
- subdev.set_auto_tr(True)
-
- print "USRP Decimation Rate = %d" % usrp_decim
- print "RF Frequency = %d" % f_rf
-
- agc = gr.multiply_const_cc(0.0025)
-
- # Downconverter
- costas_alpha=0.005
- beta = costas_alpha*costas_alpha*0.25
- sync_loop = gr.costas_loop_cc(costas_alpha, beta, 0.05, -0.05, 0)
-
- # Stage 2
-# fs2 = 200e3
-# D = int(fs / fs2)
-# decimator = gr.keep_one_in_n(gr.sizeof_gr_complex, D)
-# print "D = %d\nAfter decimator fs = %f" % (D, fs2)
-
- # Demodulator
- taps = gr.firdes.root_raised_cosine(1, fs, sr, alpha, 45)
- rrc = gr.fir_filter_ccf(1, taps)
-
- # Sampler
- mu = 0.01
- omega = 4.3
- gain_mu = 0.05
- gain_omega = 0.25*gain_mu*gain_mu
- omega_rel_limit = 0.5
- clock_sync = gr.clock_recovery_mm_cc(omega, gain_omega, mu,
- gain_mu, omega_rel_limit)
- clock_sync.set_verbose(False)
-
- diff_phasor = gr.diff_phasor_cc()
-
- threshold = 12
- constellation = (1+0j, 0+1j, -1+0j, 0-1j)
- slicer = gr.constellation_decoder_cb((constellation), (0,1,2,3))
- unpack = gr.unpack_k_bits_bb(k)
- access = gr.correlate_access_code_bb(access_code,threshold)
-
- test = gr.file_sink(gr.sizeof_gr_complex, 'test.dat')
- sink = gr.file_sink(gr.sizeof_char, 'output.dat')
-
- fg.connect(src, agc, sync_loop, rrc, clock_sync)
- fg.connect(clock_sync, diff_phasor, slicer, unpack, access, sink)
-
- fg.connect(slicer, gr.file_sink(gr.sizeof_char, 'chunks.dat'))
- fg.connect(unpack, gr.file_sink(gr.sizeof_char, 'unpack.dat'))
- fg.connect(clock_sync, gr.file_sink(gr.sizeof_gr_complex, 'phasor.dat'))
-
- fg.start()
- fg.wait()
-
-if __name__ == "__main__":
- main()
--
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