diff options
Diffstat (limited to 'gr-digital/examples/narrowband/tunnel.py')
| -rw-r--r--[-rwxr-xr-x] | gr-digital/examples/narrowband/tunnel.py | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/gr-digital/examples/narrowband/tunnel.py b/gr-digital/examples/narrowband/tunnel.py index 7b9b69cc8a..da00baa900 100755..100644 --- a/gr-digital/examples/narrowband/tunnel.py +++ b/gr-digital/examples/narrowband/tunnel.py @@ -1,24 +1,28 @@ #!/usr/bin/env python # # Copyright 2005,2006,2009,2011 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. -# +# + +from __future__ import print_function +from __future__ import division +from __future__ import unicode_literals # //////////////////////////////////////////////////////////////////// @@ -49,7 +53,7 @@ from uhd_interface import uhd_receiver import os, sys import random, time, struct -#print os.getpid() +#print(os.getpid()) #raw_input('Attach and press enter') # //////////////////////////////////////////////////////////////////// @@ -71,7 +75,7 @@ IFF_ONE_QUEUE = 0x2000 # beats me ;) def open_tun_interface(tun_device_filename): from fcntl import ioctl - + mode = IFF_TAP | IFF_NO_PI TUNSETIFF = 0x400454ca @@ -79,7 +83,7 @@ def open_tun_interface(tun_device_filename): ifs = ioctl(tun, TUNSETIFF, struct.pack("16sH", "gr%d", mode)) ifname = ifs[:16].strip("\x00") return (tun, ifname) - + # //////////////////////////////////////////////////////////////////// # the flow graph @@ -94,20 +98,20 @@ class my_top_block(gr.top_block): # Get the modulation's bits_per_symbol args = mod_class.extract_kwargs_from_options(options) - symbol_rate = options.bitrate / mod_class(**args).bits_per_symbol() + symbol_rate = options.bitrate / mod_class(**args.bits_per_symbol()) self.source = uhd_receiver(options.args, symbol_rate, options.samples_per_symbol, options.rx_freq, options.rx_gain, options.spec, options.antenna, options.verbose) - + self.sink = uhd_transmitter(options.args, symbol_rate, options.samples_per_symbol, options.tx_freq, options.tx_gain, options.spec, options.antenna, options.verbose) - + options.samples_per_symbol = self.source._sps self.txpath = transmit_path(mod_class, options) @@ -131,7 +135,7 @@ class my_top_block(gr.top_block): self.sink.set_freq(target_freq) self.source.set_freq(target_freq) - + # //////////////////////////////////////////////////////////////////// # Carrier Sense MAC @@ -166,7 +170,7 @@ class cs_mac(object): payload: contents of the packet (string) """ if self.verbose: - print "Rx: ok = %r len(payload) = %4d" % (ok, len(payload)) + print("Rx: ok = %r len(payload) = %4d" % (ok, len(payload))) if ok: os.write(self.tun_fd, payload) @@ -186,7 +190,7 @@ class cs_mac(object): break if self.verbose: - print "Tx: len(payload) = %4d" % (len(payload),) + print("Tx: len(payload) = %4d" % (len(payload),)) delay = min_delay while self.tb.carrier_sensed(): @@ -209,10 +213,10 @@ def main(): parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") - parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), + parser.add_option("-m", "--modulation", type="choice", choices=list(mods.keys()), default='gmsk', help="Select modulation from: %s [default=%%default]" - % (', '.join(mods.keys()),)) + % (', '.join(list(mods.keys())),)) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [default=%default]") @@ -227,10 +231,10 @@ def main(): uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) - for mod in mods.values(): + for mod in list(mods.values()): mod.add_options(expert_grp) - for demod in demods.values(): + for demod in list(demods.values()): demod.add_options(expert_grp) (options, args) = parser.parse_args () @@ -247,7 +251,7 @@ def main(): realtime = True else: realtime = False - print "Note: failed to enable realtime scheduling" + print("Note: failed to enable realtime scheduling") # instantiate the MAC mac = cs_mac(tun_fd, verbose=True) @@ -261,26 +265,26 @@ def main(): mac.set_top_block(tb) # give the MAC a handle for the PHY if tb.txpath.bitrate() != tb.rxpath.bitrate(): - print "WARNING: Transmit bitrate = %sb/sec, Receive bitrate = %sb/sec" % ( + print("WARNING: Transmit bitrate = %sb/sec, Receive bitrate = %sb/sec" % ( eng_notation.num_to_str(tb.txpath.bitrate()), - eng_notation.num_to_str(tb.rxpath.bitrate())) - - print "modulation: %s" % (options.modulation,) - print "freq: %s" % (eng_notation.num_to_str(options.tx_freq)) - print "bitrate: %sb/sec" % (eng_notation.num_to_str(tb.txpath.bitrate()),) - print "samples/symbol: %3d" % (tb.txpath.samples_per_symbol(),) + eng_notation.num_to_str(tb.rxpath.bitrate()))) + + print("modulation: %s" % (options.modulation,)) + print("freq: %s" % (eng_notation.num_to_str(options.tx_freq))) + print("bitrate: %sb/sec" % (eng_notation.num_to_str(tb.txpath.bitrate()),)) + print("samples/symbol: %3d" % (tb.txpath.samples_per_symbol(),)) tb.rxpath.set_carrier_threshold(options.carrier_threshold) - print "Carrier sense threshold:", options.carrier_threshold, "dB" - - print - print "Allocated virtual ethernet interface: %s" % (tun_ifname,) - print "You must now use ifconfig to set its IP address. E.g.," - print - print " $ sudo ifconfig %s 192.168.200.1" % (tun_ifname,) - print - print "Be sure to use a different address in the same subnet for each machine." - print + print("Carrier sense threshold:", options.carrier_threshold, "dB") + + print() + print("Allocated virtual ethernet interface: %s" % (tun_ifname,)) + print("You must now use ifconfig to set its IP address. E.g.,") + print() + print(" $ sudo ifconfig %s 192.168.200.1" % (tun_ifname,)) + print() + print("Be sure to use a different address in the same subnet for each machine.") + print() tb.start() # Start executing the flow graph (runs in separate threads) @@ -289,7 +293,7 @@ def main(): tb.stop() # but if it does, tell flow graph to stop. tb.wait() # wait for it to finish - + if __name__ == '__main__': try: |