grgsm_trx: Migrated argument parsing to argparse
Argparse makes adding new parameters easier and adds consistent way of handling default values of parameters and printing of their help info. Change-Id: Idf99fd7a581464aa2f77fe01e721dbd162686811
This commit is contained in:
Piotr Krysik
parent
97dc84e9f3
commit
c62a3d9f55
203
apps/grgsm_trx
203
apps/grgsm_trx
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@ -4,6 +4,7 @@
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# GR-GSM based transceiver
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#
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# (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com>
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# (C) 2017-2018 by Piotr Krysik <ptrkrysik@gmail.com>
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#
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# All Rights Reserved
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#
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@ -30,34 +31,40 @@ from gnuradio import eng_notation
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from grgsm.trx import ctrl_if_bb
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from grgsm.trx import radio_if
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from grgsm.trx import fake_pm
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from argparse import ArgumentParser
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COPYRIGHT = \
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"Copyright (C) 2016-2018 by Vadim Yanitskiy <axilirator@gmail.com>\n" \
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"Copyright (C) 2017 by Piotr Krysik <ptrkrysik@gmail.com>\n" \
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"Copyright (C) 2017-2018 by Piotr Krysik <ptrkrysik@gmail.com>\n" \
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"License GPLv2+: GNU GPL version 2 or later " \
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"<http://gnu.org/licenses/gpl.html>\n" \
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"This is free software: you are free to change and redistribute it.\n" \
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"There is NO WARRANTY, to the extent permitted by law.\n"
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class Application:
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# Application variables
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remote_addr = "127.0.0.1"
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bind_addr = "0.0.0.0"
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base_port = 6700
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# PHY specific
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phy_sample_rate = 4 * 1625000 / 6
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phy_freq_offset_hz = None
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phy_tx_antenna = "TX/RX"
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phy_rx_antenna = "RX2"
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phy_rx_gain = 30
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phy_tx_gain = 10
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phy_args = ""
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phy_ppm = 0
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def __init__(self):
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self.print_copyright()
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self.parse_argv()
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class grgsm_trx:
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def __init__(self,
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remote_addr,
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bind_addr,
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base_port,
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args,
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sample_rate,
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rx_gain,
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tx_gain,
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rx_antenna,
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tx_antenna,
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freq_offset,
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ppm):
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self.remote_addr = remote_addr
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self.bind_addr = bind_addr
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self.base_port = base_port
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self.phy_args = args
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self.phy_sample_rate = sample_rate
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self.phy_rx_gain = rx_gain
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self.phy_tx_gain = tx_gain
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self.phy_rx_antenna = rx_antenna
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self.phy_tx_antenna = tx_antenna
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self.phy_freq_offset = freq_offset
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self.phy_ppm = ppm
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# Set up signal handlers
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signal.signal(signal.SIGINT, self.sig_handler)
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@ -66,14 +73,10 @@ class Application:
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# Init Radio interface
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self.radio = radio_if(self.phy_args, self.phy_sample_rate,
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self.phy_rx_gain, self.phy_tx_gain, self.phy_ppm,
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self.phy_rx_antenna, self.phy_tx_antenna,
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self.phy_rx_antenna, self.phy_tx_antenna, self.phy_freq_offset,
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self.bind_addr, self.remote_addr,
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self.base_port)
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# Optional frequency offset
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if self.phy_freq_offset_hz is not None:
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self.radio.freq_offset_hz = self.phy_freq_offset_hz
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# Power measurement emulation
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# Noise: -120 .. -105
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# BTS: -75 .. -50
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@ -95,97 +98,73 @@ class Application:
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print("[i] Shutting down...")
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self.radio.shutdown()
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def print_copyright(self):
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print(COPYRIGHT)
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def print_help(self):
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s = " Usage: " + sys.argv[0] + " [options]\n\n" \
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" Some help...\n" \
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" -h --help this text\n\n"
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# TRX specific
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s += " TRX interface specific\n" \
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" -i --remote-addr Set remote address (default %s)\n" \
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" -b --bind-addr Set bind address (default %s)\n" \
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" -p --base-port Set base port number (default %d)\n\n"
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# PHY specific
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s += " Radio interface specific\n" \
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" -a --device-args Set device arguments\n" \
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" -s --sample-rate Set sample rate\n" \
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" -g --rx-gain Set RX gain (default %d)\n" \
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" -G --tx-gain Set TX gain (default %d)\n" \
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" --rx-antenna Set RX antenna (default %s)\n" \
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" --tx-antenna Set TX antenna (default %s)\n" \
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" --freq-offset Shift baseband freq. (e.g. -500M)\n" \
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" --ppm Set frequency correction (default %d)\n"
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print(s % (
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self.remote_addr,
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self.bind_addr,
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self.base_port,
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self.phy_rx_gain,
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self.phy_tx_gain,
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self.phy_rx_antenna,
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self.phy_tx_antenna,
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self.phy_ppm))
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def parse_argv(self):
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try:
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opts, args = getopt.getopt(sys.argv[1:],
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"i:b:p:a:s:g:G:h",
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["help", "remote-addr=", "bind-addr=", "base-port=",
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"device-args=", "sample-rate=", "rx-gain=", "tx-gain=",
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"ppm=", "rx-antenna=", "tx-antenna=", "freq-offset="])
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except getopt.GetoptError as err:
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# Print(help and exit)
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self.print_help()
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print("[!] " + str(err))
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sys.exit(2)
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for o, v in opts:
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if o in ("-h", "--help"):
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self.print_help()
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sys.exit(2)
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# TRX specific
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elif o in ("-i", "--remote-addr"):
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self.remote_addr = v
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elif o in ("-b", "--bind-addr"):
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self.bind_addr = v
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elif o in ("-p", "--base-port"):
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if int(v) >= 0 and int(v) <= 65535:
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self.base_port = int(v)
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else:
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print("[!] The port number should be in range [0-65536]")
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sys.exit(2)
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# PHY specific
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elif o in ("-a", "--device-args"):
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self.phy_args = v
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elif o in ("-s", "--sample-rate"):
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self.phy_sample_rate = int(v)
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elif o in ("-g", "--rx-gain"):
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self.phy_rx_gain = int(v)
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elif o in ("-G", "--tx-gain"):
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self.phy_tx_gain = int(v)
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elif o in ("--rx-antenna"):
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self.phy_rx_antenna = v
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elif o in ("--tx-antenna"):
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self.phy_tx_antenna = v
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elif o in ("--ppm"):
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self.phy_ppm = int(v)
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elif o in ("--freq-offset"):
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# Convert /\d+(\.\d+)?(M|k)?/ to Hz
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offset_hz = eng_notation.str_to_num(v)
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self.phy_freq_offset_hz = offset_hz
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def sig_handler(self, signum, frame):
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print("Signal %d received" % signum)
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if signum is signal.SIGINT:
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self.shutdown()
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sys.exit(0)
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if __name__ == '__main__':
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app = Application()
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def parse_args():
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description = 'Burst transceiver for GSM Mobile Station'
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parser = ArgumentParser(prog="grgsm_trx", usage='%(prog)s [options]',
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description=description)
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# TRX specific
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parser.add_argument("-i", "--remote-addr", dest="remote_addr", type=str,
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default='127.0.0.1',
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help="Set remote address default=%(default)s")
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parser.add_argument("-b", "--bind-addr", dest="bind_addr", type=str,
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default='0.0.0.0',
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help="Set bind address default=%(default)s")
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parser.add_argument(
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"-p", "--base_port", dest="base_port", type=int,
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default=6700,
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help="Set base port number default=%(default)s")
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# PHY specific
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parser.add_argument("-a", "--args", dest="args", type=str,
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default="",
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help="Set Device Arguments default=%(default)s")
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parser.add_argument("-s", "--sample-rate", dest="sample_rate", type=float,
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default=1083333.3333333333,
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help="Set samp_rate default=%(default)s")
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parser.add_argument("-g", "--rx-gain", dest="rx_gain", type=float,
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default=30,
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help="Set RX gain default=%(default)s")
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parser.add_argument("-G", "--tx-gain", dest="tx_gain", type=float,
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default=10,
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help="Set TX gain default=%(default)s")
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parser.add_argument("--rx-antenna", dest="rx_antenna", type=str,
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default="RX2",
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help="Set RX antenna")
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parser.add_argument("--tx-antenna", dest="tx_antenna", type=str,
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default='TX/RX',
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help="Set TX antenna default=%(default)s")
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parser.add_argument(
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"--freq-offset", dest="freq_offset", type=float,
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default=0,
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help="Shift Tx and Rx frequencies default=%(default)s")
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parser.add_argument("--ppm", dest="ppm", type=float,
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default=0,
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help="Set ppm default=%(default)s")
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return parser.parse_args()
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def main():
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print(COPYRIGHT)
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options = parse_args()
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app = grgsm_trx(
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remote_addr=options.remote_addr,
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bind_addr=options.bind_addr,
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base_port=options.base_port,
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args=options.args,
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sample_rate=options.sample_rate,
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rx_gain=options.rx_gain,
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tx_gain=options.tx_gain,
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rx_antenna=options.rx_antenna,
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tx_antenna=options.tx_antenna,
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freq_offset=options.freq_offset,
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ppm=options.ppm)
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app.run()
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if __name__ == '__main__':
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main()
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@ -59,251 +59,252 @@ class dict_toggle_sign(gr.basic_block):
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self.message_port_pub(pmt.intern("dict_out"), pmt.to_pmt(d))
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class radio_if(gr.top_block):
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# PHY specific variables
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freq_offset_hz = None
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rx_freq = 935e6
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tx_freq = 890e6
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osr = 4
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# PHY specific variables
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rx_freq = 935e6
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tx_freq = 890e6
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osr = 4
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# Application state flags
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trx_started = False
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# Application state flags
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trx_started = False
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# GSM timings (in microseconds [uS])
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# One timeslot duration is 576.9 μs = 15/26 ms,
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# or 156.25 symbol periods (a symbol period is 48/13 μs)
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GSM_SYM_PERIOD_uS = 48.0 / 13.0
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GSM_TS_PERIOD_uS = GSM_SYM_PERIOD_uS * 156.25
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GSM_UL_DL_SHIFT_uS = -(GSM_TS_PERIOD_uS * 3)
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# GSM timings (in microseconds [uS])
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# One timeslot duration is 576.9 μs = 15/26 ms,
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# or 156.25 symbol periods (a symbol period is 48/13 μs)
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GSM_SYM_PERIOD_uS = 48.0 / 13.0
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GSM_TS_PERIOD_uS = GSM_SYM_PERIOD_uS * 156.25
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GSM_UL_DL_SHIFT_uS = -(GSM_TS_PERIOD_uS * 3)
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# FIXME: shall be measured (automatically?) for
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# particular device and particular clock rate.
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# The current value is measured for USRP B2X0 at 26e6.
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delay_correction = (285.616 + 2 * GSM_SYM_PERIOD_uS) * 1e-6
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# FIXME: shall be measured (automatically?) for
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# particular device and particular clock rate.
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# The current value is measured for USRP B2X0 at 26e6.
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delay_correction = (285.616 + 2 * GSM_SYM_PERIOD_uS) * 1e-6
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def __init__(self, phy_args, phy_sample_rate,
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phy_rx_gain, phy_tx_gain, phy_ppm,
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phy_rx_antenna, phy_tx_antenna,
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trx_bind_addr, trx_remote_addr,
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trx_base_port):
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def __init__(self, phy_args, phy_sample_rate,
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phy_rx_gain, phy_tx_gain, phy_ppm,
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phy_rx_antenna, phy_tx_antenna,
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phy_freq_offset,
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trx_bind_addr, trx_remote_addr,
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trx_base_port):
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print("[i] Init Radio interface (L:%s:%u <-> R:%s:%u)"
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% (trx_bind_addr, trx_base_port + 2,
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trx_remote_addr, trx_base_port + 102))
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print("[i] Init Radio interface (L:%s:%u <-> R:%s:%u)"
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% (trx_bind_addr, trx_base_port + 2,
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trx_remote_addr, trx_base_port + 102))
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# PHY specific variables
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self.sample_rate = phy_sample_rate
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self.rx_gain = phy_rx_gain
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self.tx_gain = phy_tx_gain
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self.ppm = phy_ppm
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# PHY specific variables
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self.sample_rate = phy_sample_rate
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self.rx_gain = phy_rx_gain
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self.tx_gain = phy_tx_gain
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self.phy_freq_offset = phy_freq_offset
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self.ppm = phy_ppm
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gr.top_block.__init__(self, "GR-GSM TRX")
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gr.top_block.__init__(self, "GR-GSM TRX")
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# TRX Burst Interface
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self.trx_burst_if = grgsm.trx_burst_if(
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trx_bind_addr, trx_remote_addr,
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str(trx_base_port))
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# TRX Burst Interface
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self.trx_burst_if = grgsm.trx_burst_if(
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trx_bind_addr, trx_remote_addr,
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str(trx_base_port))
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# RX path definition
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self.phy_src = uhd.usrp_source(phy_args,
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uhd.stream_args(cpu_format="fc32",
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channels=range(1)))
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# RX path definition
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self.phy_src = uhd.usrp_source(phy_args,
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uhd.stream_args(cpu_format="fc32",
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channels=range(1)))
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self.phy_src.set_clock_rate(26e6, uhd.ALL_MBOARDS)
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self.phy_src.set_center_freq(self.rx_freq, 0)
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self.phy_src.set_antenna(phy_rx_antenna, 0)
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self.phy_src.set_samp_rate(phy_sample_rate)
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self.phy_src.set_bandwidth(650e3, 0)
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self.phy_src.set_gain(phy_rx_gain)
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self.phy_src.set_clock_rate(26e6, uhd.ALL_MBOARDS)
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self.phy_src.set_center_freq(self.rx_freq, 0)
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self.phy_src.set_antenna(phy_rx_antenna, 0)
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self.phy_src.set_samp_rate(phy_sample_rate)
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self.phy_src.set_bandwidth(650e3, 0)
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self.phy_src.set_gain(phy_rx_gain)
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self.msg_to_tag_src = grgsm.msg_to_tag()
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self.msg_to_tag_src = grgsm.msg_to_tag()
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self.rotator_src = grgsm.controlled_rotator_cc(
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self.calc_phase_inc(self.rx_freq))
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self.rotator_src = grgsm.controlled_rotator_cc(
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self.calc_phase_inc(self.rx_freq))
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self.lpf = filter.fir_filter_ccf(1, firdes.low_pass(
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1, phy_sample_rate, 125e3, 5e3, firdes.WIN_HAMMING, 6.76))
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self.lpf = filter.fir_filter_ccf(1, firdes.low_pass(
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1, phy_sample_rate, 125e3, 5e3, firdes.WIN_HAMMING, 6.76))
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self.gsm_receiver = grgsm.receiver(self.osr, ([0]), ([]))
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self.gsm_receiver = grgsm.receiver(self.osr, ([0]), ([]))
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self.ts_filter = grgsm.burst_timeslot_filter(0)
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self.ts_filter.set_policy(grgsm.FILTER_POLICY_DROP_ALL)
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self.ts_filter = grgsm.burst_timeslot_filter(0)
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self.ts_filter.set_policy(grgsm.FILTER_POLICY_DROP_ALL)
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# Connections
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self.connect(
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(self.phy_src, 0),
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(self.msg_to_tag_src, 0))
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# Connections
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self.connect(
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(self.phy_src, 0),
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(self.msg_to_tag_src, 0))
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self.connect(
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(self.msg_to_tag_src, 0),
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(self.rotator_src, 0))
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self.connect(
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(self.msg_to_tag_src, 0),
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(self.rotator_src, 0))
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self.connect(
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(self.rotator_src, 0),
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(self.lpf, 0))
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self.connect(
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(self.rotator_src, 0),
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(self.lpf, 0))
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self.connect(
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(self.lpf, 0),
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(self.gsm_receiver, 0))
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self.connect(
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(self.lpf, 0),
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(self.gsm_receiver, 0))
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self.msg_connect(
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(self.gsm_receiver, 'C0'),
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(self.ts_filter, 'in'))
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self.msg_connect(
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(self.gsm_receiver, 'C0'),
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(self.ts_filter, 'in'))
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self.msg_connect(
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(self.ts_filter, 'out'),
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(self.trx_burst_if, 'bursts'))
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self.msg_connect(
|
||||
(self.ts_filter, 'out'),
|
||||
(self.trx_burst_if, 'bursts'))
|
||||
|
||||
|
||||
# TX Path Definition
|
||||
self.phy_sink = uhd.usrp_sink(phy_args,
|
||||
uhd.stream_args(cpu_format="fc32",
|
||||
channels=range(1)), "packet_len")
|
||||
# TX Path Definition
|
||||
self.phy_sink = uhd.usrp_sink(phy_args,
|
||||
uhd.stream_args(cpu_format="fc32",
|
||||
channels=range(1)), "packet_len")
|
||||
|
||||
self.phy_sink.set_clock_rate(26e6, uhd.ALL_MBOARDS)
|
||||
self.phy_sink.set_antenna(phy_tx_antenna, 0)
|
||||
self.phy_sink.set_samp_rate(phy_sample_rate)
|
||||
self.phy_sink.set_center_freq(self.tx_freq, 0)
|
||||
self.phy_sink.set_gain(self.tx_gain)
|
||||
self.phy_sink.set_clock_rate(26e6, uhd.ALL_MBOARDS)
|
||||
self.phy_sink.set_antenna(phy_tx_antenna, 0)
|
||||
self.phy_sink.set_samp_rate(phy_sample_rate)
|
||||
self.phy_sink.set_center_freq(self.tx_freq, 0)
|
||||
self.phy_sink.set_gain(self.tx_gain)
|
||||
|
||||
self.tx_time_setter = grgsm.txtime_setter(
|
||||
0xffffffff, 0, 0, 0, 0, 0,
|
||||
self.delay_correction + self.GSM_UL_DL_SHIFT_uS * 1e-6)
|
||||
self.tx_time_setter = grgsm.txtime_setter(
|
||||
0xffffffff, 0, 0, 0, 0, 0,
|
||||
self.delay_correction + self.GSM_UL_DL_SHIFT_uS * 1e-6)
|
||||
|
||||
self.tx_burst_proc = grgsm.preprocess_tx_burst()
|
||||
self.tx_burst_proc = grgsm.preprocess_tx_burst()
|
||||
|
||||
self.pdu_to_tagged_stream = blocks.pdu_to_tagged_stream(
|
||||
blocks.byte_t, 'packet_len')
|
||||
self.pdu_to_tagged_stream = blocks.pdu_to_tagged_stream(
|
||||
blocks.byte_t, 'packet_len')
|
||||
|
||||
self.gmsk_mod = grgsm.gsm_gmsk_mod(
|
||||
BT = 0.3, pulse_duration = 4, sps = self.osr)
|
||||
self.gmsk_mod = grgsm.gsm_gmsk_mod(
|
||||
BT = 0.3, pulse_duration = 4, sps = self.osr)
|
||||
|
||||
self.burst_shaper = digital.burst_shaper_cc(
|
||||
(firdes.window(firdes.WIN_HANN, 16, 0)),
|
||||
0, 20, False, "packet_len")
|
||||
self.burst_shaper = digital.burst_shaper_cc(
|
||||
(firdes.window(firdes.WIN_HANN, 16, 0)),
|
||||
0, 20, False, "packet_len")
|
||||
|
||||
self.msg_to_tag_sink = grgsm.msg_to_tag()
|
||||
self.msg_to_tag_sink = grgsm.msg_to_tag()
|
||||
|
||||
self.rotator_sink = grgsm.controlled_rotator_cc(
|
||||
-self.calc_phase_inc(self.tx_freq))
|
||||
self.rotator_sink = grgsm.controlled_rotator_cc(
|
||||
-self.calc_phase_inc(self.tx_freq))
|
||||
|
||||
# Connections
|
||||
self.msg_connect(
|
||||
(self.trx_burst_if, 'bursts'),
|
||||
(self.tx_time_setter, 'bursts_in'))
|
||||
# Connections
|
||||
self.msg_connect(
|
||||
(self.trx_burst_if, 'bursts'),
|
||||
(self.tx_time_setter, 'bursts_in'))
|
||||
|
||||
self.msg_connect(
|
||||
(self.tx_time_setter, 'bursts_out'),
|
||||
(self.tx_burst_proc, 'bursts_in'))
|
||||
self.msg_connect(
|
||||
(self.tx_time_setter, 'bursts_out'),
|
||||
(self.tx_burst_proc, 'bursts_in'))
|
||||
|
||||
self.msg_connect(
|
||||
(self.tx_burst_proc, 'bursts_out'),
|
||||
(self.pdu_to_tagged_stream, 'pdus'))
|
||||
self.msg_connect(
|
||||
(self.tx_burst_proc, 'bursts_out'),
|
||||
(self.pdu_to_tagged_stream, 'pdus'))
|
||||
|
||||
self.connect(
|
||||
(self.pdu_to_tagged_stream, 0),
|
||||
(self.gmsk_mod, 0))
|
||||
self.connect(
|
||||
(self.pdu_to_tagged_stream, 0),
|
||||
(self.gmsk_mod, 0))
|
||||
|
||||
self.connect(
|
||||
(self.gmsk_mod, 0),
|
||||
(self.burst_shaper, 0))
|
||||
self.connect(
|
||||
(self.gmsk_mod, 0),
|
||||
(self.burst_shaper, 0))
|
||||
|
||||
self.connect(
|
||||
(self.burst_shaper, 0),
|
||||
(self.msg_to_tag_sink, 0))
|
||||
self.connect(
|
||||
(self.burst_shaper, 0),
|
||||
(self.msg_to_tag_sink, 0))
|
||||
|
||||
self.connect(
|
||||
(self.msg_to_tag_sink, 0),
|
||||
(self.rotator_sink, 0))
|
||||
self.connect(
|
||||
(self.msg_to_tag_sink, 0),
|
||||
(self.rotator_sink, 0))
|
||||
|
||||
self.connect(
|
||||
(self.rotator_sink, 0),
|
||||
(self.phy_sink, 0))
|
||||
self.connect(
|
||||
(self.rotator_sink, 0),
|
||||
(self.phy_sink, 0))
|
||||
|
||||
|
||||
# RX & TX synchronization
|
||||
self.bt_filter = grgsm.burst_type_filter([3])
|
||||
self.burst_to_fn_time = grgsm.burst_to_fn_time()
|
||||
# RX & TX synchronization
|
||||
self.bt_filter = grgsm.burst_type_filter([3])
|
||||
self.burst_to_fn_time = grgsm.burst_to_fn_time()
|
||||
|
||||
# Connections
|
||||
self.msg_connect(
|
||||
(self.gsm_receiver, 'C0'),
|
||||
(self.bt_filter, 'bursts_in'))
|
||||
# Connections
|
||||
self.msg_connect(
|
||||
(self.gsm_receiver, 'C0'),
|
||||
(self.bt_filter, 'bursts_in'))
|
||||
|
||||
self.msg_connect(
|
||||
(self.bt_filter, 'bursts_out'),
|
||||
(self.burst_to_fn_time, 'bursts_in'))
|
||||
self.msg_connect(
|
||||
(self.bt_filter, 'bursts_out'),
|
||||
(self.burst_to_fn_time, 'bursts_in'))
|
||||
|
||||
self.msg_connect(
|
||||
(self.burst_to_fn_time, 'fn_time_out'),
|
||||
(self.tx_time_setter, 'fn_time'))
|
||||
self.msg_connect(
|
||||
(self.burst_to_fn_time, 'fn_time_out'),
|
||||
(self.tx_time_setter, 'fn_time'))
|
||||
|
||||
|
||||
# AFC (Automatic Frequency Correction)
|
||||
self.gsm_clck_ctrl = grgsm.clock_offset_control(
|
||||
self.rx_freq, phy_sample_rate, osr = self.osr)
|
||||
# AFC (Automatic Frequency Correction)
|
||||
self.gsm_clck_ctrl = grgsm.clock_offset_control(
|
||||
self.rx_freq, phy_sample_rate, osr = self.osr)
|
||||
|
||||
self.dict_toggle_sign = dict_toggle_sign()
|
||||
self.dict_toggle_sign = dict_toggle_sign()
|
||||
|
||||
# Connections
|
||||
self.msg_connect(
|
||||
(self.gsm_receiver, 'measurements'),
|
||||
(self.gsm_clck_ctrl, 'measurements'))
|
||||
# Connections
|
||||
self.msg_connect(
|
||||
(self.gsm_receiver, 'measurements'),
|
||||
(self.gsm_clck_ctrl, 'measurements'))
|
||||
|
||||
self.msg_connect(
|
||||
(self.gsm_clck_ctrl, 'ctrl'),
|
||||
(self.msg_to_tag_src, 'msg'))
|
||||
self.msg_connect(
|
||||
(self.gsm_clck_ctrl, 'ctrl'),
|
||||
(self.msg_to_tag_src, 'msg'))
|
||||
|
||||
self.msg_connect(
|
||||
(self.gsm_clck_ctrl, 'ctrl'),
|
||||
(self.dict_toggle_sign, 'dict_in'))
|
||||
self.msg_connect(
|
||||
(self.gsm_clck_ctrl, 'ctrl'),
|
||||
(self.dict_toggle_sign, 'dict_in'))
|
||||
|
||||
self.msg_connect(
|
||||
(self.dict_toggle_sign, 'dict_out'),
|
||||
(self.msg_to_tag_sink, 'msg'))
|
||||
self.msg_connect(
|
||||
(self.dict_toggle_sign, 'dict_out'),
|
||||
(self.msg_to_tag_sink, 'msg'))
|
||||
|
||||
|
||||
# Some UHD devices (such as UmTRX) do start the clock
|
||||
# not from 0, so it's required to reset it manually.
|
||||
# Resetting UHD source will also affect the sink.
|
||||
self.phy_src.set_time_now(uhd.time_spec(0.0))
|
||||
# Some UHD devices (such as UmTRX) do start the clock
|
||||
# not from 0, so it's required to reset it manually.
|
||||
# Resetting UHD source will also affect the sink.
|
||||
self.phy_src.set_time_now(uhd.time_spec(0.0))
|
||||
|
||||
def shutdown(self):
|
||||
print("[i] Shutdown Radio interface")
|
||||
self.stop()
|
||||
self.wait()
|
||||
def shutdown(self):
|
||||
print("[i] Shutdown Radio interface")
|
||||
self.stop()
|
||||
self.wait()
|
||||
|
||||
def calc_phase_inc(self, fc):
|
||||
return self.ppm / 1.0e6 * 2 * pi * fc / self.sample_rate
|
||||
def calc_phase_inc(self, fc):
|
||||
return self.ppm / 1.0e6 * 2 * pi * fc / self.sample_rate
|
||||
|
||||
def set_rx_freq(self, fc):
|
||||
if self.freq_offset_hz is not None:
|
||||
fc += self.freq_offset_hz
|
||||
print("[#] Shifting RX freq. to %s (offset is %s)"
|
||||
% (eng_notation.num_to_str(fc),
|
||||
eng_notation.num_to_str(self.freq_offset_hz)))
|
||||
self.phy_src.set_center_freq(fc, 0)
|
||||
self.rotator_src.set_phase_inc(self.calc_phase_inc(fc))
|
||||
self.rx_freq = fc
|
||||
def set_rx_freq(self, fc):
|
||||
if self.phy_freq_offset != 0:
|
||||
fc += self.phy_freq_offset
|
||||
print("[#] Shifting RX freq. to %s (offset is %s)"
|
||||
% (eng_notation.num_to_str(fc),
|
||||
eng_notation.num_to_str(self.freq_offset)))
|
||||
self.phy_src.set_center_freq(fc, 0)
|
||||
self.rotator_src.set_phase_inc(self.calc_phase_inc(fc))
|
||||
self.rx_freq = fc
|
||||
|
||||
def set_tx_freq(self, fc):
|
||||
if self.freq_offset_hz is not None:
|
||||
fc += self.freq_offset_hz
|
||||
print("[#] Shifting TX freq. to %s (offset is %s)"
|
||||
% (eng_notation.num_to_str(fc),
|
||||
eng_notation.num_to_str(self.freq_offset_hz)))
|
||||
self.phy_sink.set_center_freq(fc, 0)
|
||||
self.rotator_sink.set_phase_inc(-self.calc_phase_inc(fc))
|
||||
self.tx_freq = fc
|
||||
def set_tx_freq(self, fc):
|
||||
if self.phy_freq_offset != 0:
|
||||
fc += self.phy_freq_offset
|
||||
print("[#] Shifting TX freq. to %s (offset is %s)"
|
||||
% (eng_notation.num_to_str(fc),
|
||||
eng_notation.num_to_str(self.freq_offset)))
|
||||
self.phy_sink.set_center_freq(fc, 0)
|
||||
self.rotator_sink.set_phase_inc(-self.calc_phase_inc(fc))
|
||||
self.tx_freq = fc
|
||||
|
||||
def set_rx_gain(self, gain):
|
||||
self.phy_src.set_gain(gain, 0)
|
||||
self.rx_gain = gain
|
||||
def set_rx_gain(self, gain):
|
||||
self.phy_src.set_gain(gain, 0)
|
||||
self.rx_gain = gain
|
||||
|
||||
def set_tx_gain(self, gain):
|
||||
self.phy_sink.set_gain(gain, 0)
|
||||
self.tx_gain = gain
|
||||
def set_tx_gain(self, gain):
|
||||
self.phy_sink.set_gain(gain, 0)
|
||||
self.tx_gain = gain
|
||||
|
||||
def set_ta(self, ta):
|
||||
print("[i] Setting TA value %d" % ta)
|
||||
advance_time_sec = ta * self.GSM_SYM_PERIOD_uS * 1e-6
|
||||
self.tx_time_setter.set_timing_advance(advance_time_sec)
|
||||
def set_ta(self, ta):
|
||||
print("[i] Setting TA value %d" % ta)
|
||||
advance_time_sec = ta * self.GSM_SYM_PERIOD_uS * 1e-6
|
||||
self.tx_time_setter.set_timing_advance(advance_time_sec)
|
||||
|
|
|
|||
Loading…
Reference in New Issue