def main(): def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) def rx_callback(ok, payload): print "ok = %r, payload = '%s'" % (ok, payload) mods = modulation_utils2.type_1_mods() 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(), default='dbpsk2', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [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("","--from-file", default=None, help="use file for packet contents") usrp_transmit_path2.add_options(parser, expert_grp) for mod in mods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help() sys.exit(1) if options.tx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) if options.from_file is not None: source_file = open(options.from_file, 'r') # build the graph tb = my_top_block(mods[options.modulation], options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph # generate and send packets nbytes = int(1e6 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) while n < nbytes: if options.from_file is None: data = (pkt_size - 2) * chr(pktno & 0xff) else: data = source_file.read(pkt_size - 2) if data == '': break; payload = struct.pack('!H', pktno & 0xffff) + data send_pkt(payload) n += len(payload) sys.stderr.write('.') if options.discontinuous and pktno % 5 == 4: time.sleep(1) pktno += 1 send_pkt(eof=True) tb.wait() # wait for it to finish
def main(): def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) def rx_callback(ok, payload): print "ok = %r, payload = '%s'" % (ok, payload) mods = modulation_utils2.type_1_mods() 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(), default='dbpsk2', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()), )) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [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("", "--from-file", default=None, help="use file for packet contents") usrp_transmit_path2.add_options(parser, expert_grp) for mod in mods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) if options.tx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) if options.from_file is not None: source_file = open(options.from_file, 'r') # build the graph tb = my_top_block(mods[options.modulation], options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph # generate and send packets nbytes = int(1e6 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) while n < nbytes: if options.from_file is None: data = (pkt_size - 2) * chr(pktno & 0xff) else: data = source_file.read(pkt_size - 2) if data == '': break payload = struct.pack('!H', pktno & 0xffff) + data send_pkt(payload) n += len(payload) sys.stderr.write('.') if options.discontinuous and pktno % 5 == 4: time.sleep(1) pktno += 1 send_pkt(eof=True) tb.wait() # wait for it to finish
def main(): global n_rcvd, n_right, pktno n_rcvd = 0 n_right = 0 pktno = 0 def rx_callback(ok, payload): global n_rcvd, n_right, pktno (pktno,) = struct.unpack('!H', payload[0:2]) n_rcvd += 1 if ok: n_right += 1 if not options.gui: print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % ( ok, pktno, n_rcvd, n_right) def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) mods = modulation_utils2.type_1_mods() demods = modulation_utils2.type_1_demods() parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") channel_grp = parser.add_option_group("Channel") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), default='dbpsk2', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [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("-G", "--gui", action="store_true", default=False, help="Turn on the GUI [default=%default]") channel_grp.add_option("", "--sample-rate", type="eng_float", default=1e5, help="set speed of channel/simulation rate to RATE [default=%default]") channel_grp.add_option("", "--snr", type="eng_float", default=30, help="set the SNR of the channel in dB [default=%default]") channel_grp.add_option("", "--frequency-offset", type="eng_float", default=0, help="set frequency offset introduced by channel [default=%default]") channel_grp.add_option("", "--timing-offset", type="eng_float", default=1.0, help="set timing offset introduced by channel [default=%default]") channel_grp.add_option("", "--seed", action="store_true", default=False, help="use a random seed for AWGN noise [default=%default]") transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) for mod in mods.values(): mod.add_options(expert_grp) for demod in demods.values(): demod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help() sys.exit(1) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" # Create an instance of a hierarchical block tb = my_top_block(mods[options.modulation], demods[options.modulation], rx_callback, options) tb.start() packet_sender = th_send(send_pkt, options.megabytes, options.size) packet_sender.start() if(options.gui): tb.qapp.exec_() packet_sender.stop() else: # Process until done; hack in to the join to stop on an interrupt while(packet_sender.isAlive()): try: packet_sender.join(1) except KeyboardInterrupt: packet_sender.stop()
def main(): global n_rcvd, n_right, pktno n_rcvd = 0 n_right = 0 pktno = 0 def rx_callback(ok, payload): global n_rcvd, n_right, pktno (pktno, ) = struct.unpack('!H', payload[0:2]) n_rcvd += 1 if ok: n_right += 1 if not options.gui: print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % ( ok, pktno, n_rcvd, n_right) def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) mods = modulation_utils2.type_1_mods() demods = modulation_utils2.type_1_demods() parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") channel_grp = parser.add_option_group("Channel") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), default='dbpsk2', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()), )) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [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("-G", "--gui", action="store_true", default=False, help="Turn on the GUI [default=%default]") channel_grp.add_option( "", "--sample-rate", type="eng_float", default=1e5, help="set speed of channel/simulation rate to RATE [default=%default]") channel_grp.add_option( "", "--snr", type="eng_float", default=30, help="set the SNR of the channel in dB [default=%default]") channel_grp.add_option( "", "--frequency-offset", type="eng_float", default=0, help="set frequency offset introduced by channel [default=%default]") channel_grp.add_option( "", "--timing-offset", type="eng_float", default=1.0, help="set timing offset introduced by channel [default=%default]") channel_grp.add_option( "", "--seed", action="store_true", default=False, help="use a random seed for AWGN noise [default=%default]") transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) for mod in mods.values(): mod.add_options(expert_grp) for demod in demods.values(): demod.add_options(expert_grp) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" # Create an instance of a hierarchical block tb = my_top_block(mods[options.modulation], demods[options.modulation], rx_callback, options) tb.start() packet_sender = th_send(send_pkt, options.megabytes, options.size) packet_sender.start() if (options.gui): tb.qapp.exec_() packet_sender.stop() else: # Process until done; hack in to the join to stop on an interrupt while (packet_sender.isAlive()): try: packet_sender.join(1) except KeyboardInterrupt: packet_sender.stop()