600 lines
23 KiB
Python
600 lines
23 KiB
Python
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# Copyright 2011, 2012, 2013, 2014 Max H. Parke KA1RBI
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#
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# This file is part of OP25
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#
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# OP25 is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# OP25 is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OP25; see the file COPYING. If not, write to the Free
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# Software Foundation, Inc., 51 Franklin Street, Boston, MA
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# 02110-1301, USA.
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#
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# FIXME: hideously mixes indentation, some is tabs and some is spaces
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#
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import time
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def crc16(dat,len): # slow version
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poly = (1<<12) + (1<<5) + (1<<0)
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crc = 0
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for i in range(len):
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bits = (dat >> (((len-1)-i)*8)) & 0xff
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for j in range(8):
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bit = (bits >> (7-j)) & 1
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crc = ((crc << 1) | bit) & 0x1ffff
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if crc & 0x10000:
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crc = (crc & 0xffff) ^ poly
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crc = crc ^ 0xffff
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return crc
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class trunked_system (object):
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def __init__(self, debug=0, config=None):
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self.debug = debug
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self.freq_table = {}
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self.stats = {}
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self.stats['tsbks'] = 0
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self.stats['crc'] = 0
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self.tsbk_cache = {}
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self.secondary = {}
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self.adjacent = {}
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self.rfss_syid = 0
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self.rfss_rfid = 0
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self.rfss_stid = 0
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self.rfss_chan = 0
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self.rfss_txchan = 0
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self.ns_syid = 0
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self.ns_wacn = 0
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self.ns_chan = 0
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self.voice_frequencies = {}
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self.blacklist = {}
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self.whitelist = None
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self.tgid_map = None
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self.offset = 0
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self.sysname = 0
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self.trunk_cc = 0
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if config:
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self.blacklist = config['blacklist']
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self.whitelist = config['whitelist']
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self.tgid_map = config['tgid_map']
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self.offset = config['offset']
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self.sysname = config['sysname']
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self.trunk_cc = config['cclist'][0] # TODO: scan thru list
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def to_string(self):
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s = []
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s.append('rf: syid %x rfid %d stid %d frequency %f uplink %f' % ( self.rfss_syid, self.rfss_rfid, self.rfss_stid, float(self.rfss_chan) / 1000000.0, float(self.rfss_txchan) / 1000000.0))
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s.append('net: syid %x wacn %x frequency %f' % ( self.ns_syid, self.ns_wacn, float(self.ns_chan) / 1000000.0))
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s.append('secondary control channel(s): %s' % ','.join(['%f' % (float(k) / 1000000.0) for k in self.secondary.keys()]))
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s.append('stats: tsbks %d crc %d' % (self.stats['tsbks'], self.stats['crc']))
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s.append('')
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t = time.time()
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for f in self.voice_frequencies:
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s.append('voice frequency %f tgid %d %4.1fs ago count %d' % (f / 1000000.0, self.voice_frequencies[f]['tgid'], t - self.voice_frequencies[f]['time'], self.voice_frequencies[f]['counter']))
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s.append('')
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for table in self.freq_table:
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a = self.freq_table[table]['frequency'] / 1000000.0
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b = self.freq_table[table]['step'] / 1000000.0
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c = self.freq_table[table]['offset'] / 1000000.0
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s.append('tbl-id: %x frequency: %f step %f offset %f' % ( table, a,b,c))
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#self.freq_table[table]['frequency'] / 1000000.0, self.freq_table[table]['step'] / 1000000.0, self.freq_table[table]['offset']) / 1000000.0)
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for f in self.adjacent:
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s.append('adjacent %f: %s' % (float(f) / 1000000.0, self.adjacent[f]))
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return '\n'.join(s)
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# return frequency in Hz
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def channel_id_to_frequency(self, id):
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table = (id >> 12) & 0xf
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channel = id & 0xfff
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if table not in self.freq_table:
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return None
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return self.freq_table[table]['frequency'] + self.freq_table[table]['step'] * channel
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def channel_id_to_string(self, id):
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table = (id >> 12) & 0xf
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channel = id & 0xfff
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if table not in self.freq_table:
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return "%x-%d" % (table, channel)
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return "%f" % ((self.freq_table[table]['frequency'] + self.freq_table[table]['step'] * channel) / 1000000.0)
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def get_tag(self, tgid):
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if not tgid:
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return ""
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if tgid not in self.tgid_map:
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return "Talkgroup ID %d [0x%x]" % (tgid, tgid)
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return self.tgid_map[tgid]
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def update_voice_frequency(self, frequency, tgid=None):
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if frequency is None:
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return
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if frequency not in self.voice_frequencies:
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self.voice_frequencies[frequency] = {'counter':0}
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self.voice_frequencies[frequency]['tgid'] = tgid
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self.voice_frequencies[frequency]['counter'] += 1
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self.voice_frequencies[frequency]['time'] = time.time()
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def find_voice_frequency(self, start_time, tgid=None):
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for frequency in self.voice_frequencies:
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if self.voice_frequencies[frequency]['time'] < start_time:
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continue
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active_tgid = self.voice_frequencies[frequency]['tgid']
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if active_tgid in self.blacklist:
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continue
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if self.whitelist and active_tgid not in self.whitelist:
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continue
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if tgid is None or tgid == active_tgid:
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return frequency, active_tgid
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return None, None
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def add_blacklist(self, tgid):
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if not tgid:
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return
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self.blacklist[tgid] = 1
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def decode_mbt_data(self, opcode, header, mbt_data):
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if self.debug > 10:
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print "decode_mbt_data: %x %x" %(opcode, mbt_data)
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if opcode == 0x0: # grp voice channel grant
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ch1 = (mbt_data >> 64) & 0xffff
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ch2 = (mbt_data >> 48) & 0xffff
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ga = (mbt_data >> 32) & 0xffff
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if self.debug > 10:
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print "mbt00 voice grant ch1 %x ch2 %x addr 0x%x" %(ch1, ch2, ga)
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elif opcode == 0x3c: # adjacent status
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syid = (header >> 48) & 0xfff
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rfid = (header >> 24) & 0xff
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stid = (header >> 16) & 0xff
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ch1 = (mbt_data >> 80) & 0xffff
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ch2 = (mbt_data >> 64) & 0xffff
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f1 = self.channel_id_to_frequency(ch1)
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f2 = self.channel_id_to_frequency(ch2)
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if f1 and f2:
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self.adjacent[f1] = 'rfid: %d stid:%d uplink:%f' % (rfid, stid, f2 / 1000000.0)
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if self.debug > 10:
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print "mbt3c adjacent sys %x rfid %x stid %x ch1 %x ch2 %x f1 %s f2 %s" %(syid, rfid, stid, ch1, ch2, self.channel_id_to_string(ch1), self.channel_id_to_string(ch2))
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elif opcode == 0x3b: # network status
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syid = (header >> 48) & 0xfff
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wacn = (mbt_data >> 76) & 0xfffff
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ch1 = (mbt_data >> 56) & 0xffff
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ch2 = (mbt_data >> 40) & 0xffff
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f1 = self.channel_id_to_frequency(ch1)
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f2 = self.channel_id_to_frequency(ch2)
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if f1 and f2:
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self.ns_syid = syid
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self.ns_wacn = wacn
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self.ns_chan = f1
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if self.debug > 10:
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print "mbt3b net stat sys %x wacn %x ch1 %s ch2 %s" %(syid, wacn, self.channel_id_to_string(ch1), self.channel_id_to_string(ch2))
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elif opcode == 0x3a: # rfss status
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syid = (header >> 48) & 0xfff
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rfid = (mbt_data >> 88) & 0xff
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stid = (mbt_data >> 80) & 0xff
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ch1 = (mbt_data >> 64) & 0xffff
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ch2 = (mbt_data >> 48) & 0xffff
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f1 = self.channel_id_to_frequency(ch1)
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f2 = self.channel_id_to_frequency(ch2)
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if f1 and f2:
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self.rfss_syid = syid
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self.rfss_rfid = rfid
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self.rfss_stid = stid
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self.rfss_chan = f1
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self.rfss_txchan = f2
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if self.debug > 10:
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print "mbt3a rfss stat sys %x rfid %x stid %x ch1 %s ch2 %s" %(syid, rfid, stid, self.channel_id_to_string(ch1), self.channel_id_to_string(ch2))
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#else:
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# print "mbt other %x" % opcode
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def decode_tsbk(self, tsbk):
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self.stats['tsbks'] += 1
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updated = 0
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# if crc16(tsbk, 12) != 0:
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# self.stats['crc'] += 1
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# return # crc check failed
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tsbk = tsbk << 16 # for missing crc
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opcode = (tsbk >> 88) & 0x3f
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if self.debug > 10:
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print "TSBK: 0x%02x 0x%024x" % (opcode, tsbk)
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if opcode == 0x02: # group voice chan grant update
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mfrid = (tsbk >> 80) & 0xff
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ch1 = (tsbk >> 64) & 0xffff
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ga1 = (tsbk >> 48) & 0xffff
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ch2 = (tsbk >> 32) & 0xffff
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ga2 = (tsbk >> 16) & 0xffff
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if mfrid == 0x90:
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if self.debug > 10:
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ch1 = (tsbk >> 56) & 0xffff
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f1 = self.channel_id_to_frequency(ch1)
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if f1 == None: f1 = 0
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print "tsbk02[90] %x %f" % (ch1, f1 / 1000000.0)
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else:
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f1 = self.channel_id_to_frequency(ch1)
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f2 = self.channel_id_to_frequency(ch2)
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self.update_voice_frequency(f1, tgid=ga1)
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if f1 != f2:
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self.update_voice_frequency(f2, tgid=ga2)
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if f1:
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updated += 1
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if f2:
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updated += 1
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if self.debug > 10:
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print "tsbk02 grant update: chan %s %d %s %d" %(self.channel_id_to_string(ch1), ga1, self.channel_id_to_string(ch2), ga2)
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elif opcode == 0x16: # sndcp data ch
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ch1 = (tsbk >> 48) & 0xffff
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ch2 = (tsbk >> 32) & 0xffff
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if self.debug > 10:
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print "tsbk16 sndcp data ch: chan %x %x" %(ch1, ch2)
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elif opcode == 0x34: # iden_up vhf uhf
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iden = (tsbk >> 76) & 0xf
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bwvu = (tsbk >> 72) & 0xf
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toff0 = (tsbk >> 58) & 0x3fff
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spac = (tsbk >> 48) & 0x3ff
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freq = (tsbk >> 16) & 0xffffffff
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toff_sign = (toff0 >> 13) & 1
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toff = toff0 & 0x1fff
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if toff_sign == 0:
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toff = 0 - toff
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txt = ["mob Tx-", "mob Tx+"]
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self.freq_table[iden] = {}
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self.freq_table[iden]['offset'] = toff * spac * 125
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self.freq_table[iden]['step'] = spac * 125
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self.freq_table[iden]['frequency'] = freq * 5
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if self.debug > 10:
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print "tsbk34 iden vhf/uhf id %d toff %f spac %f freq %f [%s]" % (iden, toff * spac * 0.125 * 1e-3, spac * 0.125, freq * 0.000005, txt[toff_sign])
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elif opcode == 0x3d: # iden_up
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iden = (tsbk >> 76) & 0xf
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bw = (tsbk >> 67) & 0x1ff
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toff0 = (tsbk >> 58) & 0x1ff
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spac = (tsbk >> 48) & 0x3ff
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freq = (tsbk >> 16) & 0xffffffff
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toff_sign = (toff0 >> 8) & 1
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toff = toff0 & 0xff
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if toff_sign == 0:
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toff = 0 - toff
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txt = ["mob xmit < recv", "mob xmit > recv"]
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self.freq_table[iden] = {}
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self.freq_table[iden]['offset'] = toff * 250000
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self.freq_table[iden]['step'] = spac * 125
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self.freq_table[iden]['frequency'] = freq * 5
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if self.debug > 10:
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print "tsbk3d iden id %d toff %f spac %f freq %f" % (iden, toff * 0.25, spac * 0.125, freq * 0.000005)
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elif opcode == 0x3a: # rfss status
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syid = (tsbk >> 56) & 0xfff
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rfid = (tsbk >> 48) & 0xff
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stid = (tsbk >> 40) & 0xff
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chan = (tsbk >> 24) & 0xffff
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f1 = self.channel_id_to_frequency(chan)
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if f1:
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self.rfss_syid = syid
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self.rfss_rfid = rfid
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self.rfss_stid = stid
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self.rfss_chan = f1
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self.rfss_txchan = f1 + self.freq_table[chan >> 12]['offset']
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if self.debug > 10:
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print "tsbk3a rfss status: syid: %x rfid %x stid %d ch1 %x(%s)" %(syid, rfid, stid, chan, self.channel_id_to_string(chan))
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elif opcode == 0x39: # secondary cc
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rfid = (tsbk >> 72) & 0xff
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stid = (tsbk >> 64) & 0xff
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ch1 = (tsbk >> 48) & 0xffff
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ch2 = (tsbk >> 24) & 0xffff
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f1 = self.channel_id_to_frequency(ch1)
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f2 = self.channel_id_to_frequency(ch2)
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if f1 and f2:
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self.secondary[ f1 ] = 1
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self.secondary[ f2 ] = 1
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if self.debug > 10:
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print "tsbk39 secondary cc: rfid %x stid %d ch1 %x(%s) ch2 %x(%s)" %(rfid, stid, ch1, self.channel_id_to_string(ch1), ch2, self.channel_id_to_string(ch2))
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elif opcode == 0x3b: # network status
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wacn = (tsbk >> 52) & 0xfffff
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syid = (tsbk >> 40) & 0xfff
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ch1 = (tsbk >> 24) & 0xffff
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f1 = self.channel_id_to_frequency(ch1)
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if f1:
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self.ns_syid = syid
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self.ns_wacn = wacn
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self.ns_chan = f1
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if self.debug > 10:
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print "tsbk3b net stat: wacn %x syid %x ch1 %x(%s)" %(wacn, syid, ch1, self.channel_id_to_string(ch1))
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elif opcode == 0x3c: # adjacent status
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rfid = (tsbk >> 48) & 0xff
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stid = (tsbk >> 40) & 0xff
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ch1 = (tsbk >> 24) & 0xffff
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table = (ch1 >> 12) & 0xf
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f1 = self.channel_id_to_frequency(ch1)
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if f1 and table in self.freq_table:
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self.adjacent[f1] = 'rfid: %d stid:%d uplink:%f tbl:%d' % (rfid, stid, (f1 + self.freq_table[table]['offset']) / 1000000.0, table)
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if self.debug > 10:
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print "tsbk3c adjacent: rfid %x stid %d ch1 %x(%s)" %(rfid, stid, ch1, self.channel_id_to_string(ch1))
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if table in self.freq_table:
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print "tsbk3c : %s %s" % (self.freq_table[table]['frequency'] , self.freq_table[table]['step'] )
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#else:
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# print "tsbk other %x" % opcode
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return updated
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class rx_ctl (object):
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def __init__(self, debug=0, frequency_set=None, conf_file=None):
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class _states(object):
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ACQ = 0
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CC = 1
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TO_VC = 2
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VC = 3
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self.states = _states
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self.state = self.states.CC
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self.trunked_systems = {}
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self.frequency_set = frequency_set
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self.debug = debug
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self.tgid_hold = None
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self.tgid_hold_until = time.time()
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self.TGID_HOLD_TIME = 2.0 # TODO: make more configurable
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self.current_nac = None
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self.current_id = 0
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self.TSYS_HOLD_TIME = 3.0 # TODO: make more configurable
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self.wait_until = time.time()
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self.configs = {}
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if conf_file:
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if conf_file.endswith('.tsv'):
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self.build_config_tsv(conf_file)
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else:
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self.build_config(conf_file)
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self.nacs = self.configs.keys()
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self.current_nac = self.nacs[0]
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self.current_state = self.states.CC
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def set_frequency(self, params):
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frequency = params['freq']
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if frequency and self.frequency_set:
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self.frequency_set(params)
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def add_trunked_system(self, nac):
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assert nac not in self.trunked_systems # duplicate nac not allowed
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blacklist = {}
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whitelist = None
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tgid_map = {}
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cfg = None
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if nac in self.configs:
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cfg = self.configs[nac]
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self.trunked_systems[nac] = trunked_system(debug = self.debug, config=cfg)
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def build_config_tsv(self, tsv_filename):
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import csv
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hdrmap = []
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configs = {}
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with open(tsv_filename, 'rb') as csvfile:
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sreader = csv.reader(csvfile, delimiter='\t', quotechar='"', quoting=csv.QUOTE_ALL)
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for row in sreader:
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if not hdrmap:
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# process first line of tsv file - header line
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for hdr in row:
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hdr = hdr.replace(' ', '_')
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hdr = hdr.lower()
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hdrmap.append(hdr)
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continue
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fields = {}
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for i in xrange(len(row)):
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if row[i]:
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fields[hdrmap[i]] = row[i]
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if hdrmap[i] != 'sysname':
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fields[hdrmap[i]] = fields[hdrmap[i]].lower()
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nac = int(fields['nac'], 0)
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configs[nac] = fields
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self.setup_config(configs)
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def build_config(self, config_filename):
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import ConfigParser
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config = ConfigParser.ConfigParser()
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config.read(config_filename)
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configs = {}
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for section in config.sections():
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nac = int(config.get(section, 'nac'), 0) # nac required
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assert nac != 0 # nac=0 not allowed
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assert nac not in configs # duplicate nac not allowed
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configs[nac] = {}
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for option in config.options(section):
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configs[nac][option] = config.get(section, option).lower()
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configs[nac]['sysname'] = section
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self.setup_config(configs)
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def setup_config(self, configs):
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for nac in configs:
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self.configs[nac] = {'cclist':[], 'offset':0, 'whitelist':None, 'blacklist':{}, 'tgid_map':{}, 'sysname': configs[nac]['sysname']}
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for f in configs[nac]['control_channel_list'].split(','):
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if f.find('.') == -1: # assume in Hz
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self.configs[nac]['cclist'].append(int(f))
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else: # assume in MHz due to '.'
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self.configs[nac]['cclist'].append(int(float(f) * 1000000))
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if 'offset' in configs[nac]:
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self.configs[nac]['offset'] = int(configs[nac]['offset'])
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if 'modulation' in configs[nac]:
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self.configs[nac]['modulation'] = configs[nac]['modulation']
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else:
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|
self.configs[nac]['modulation'] = 'cqpsk'
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if 'whitelist' in configs[nac]:
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|
self.configs[nac]['whitelist'] = dict.fromkeys([int(d) for d in configs[nac]['whitelist'].split(',')])
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if 'blacklist' in configs[nac]:
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self.configs[nac]['blacklist'] = dict.fromkeys([int(d) for d in configs[nac]['blacklist'].split(',')])
|
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if 'tgid_tags_file' in configs[nac]:
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import csv
|
|
with open(configs[nac]['tgid_tags_file'], 'rb') as csvfile:
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sreader = csv.reader(csvfile, delimiter='\t', quotechar='"', quoting=csv.QUOTE_ALL)
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for row in sreader:
|
|
tgid = int(row[0])
|
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txt = row[1]
|
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self.configs[nac]['tgid_map'][tgid] = txt
|
|
|
|
self.add_trunked_system(nac)
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|
|
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def find_next_tsys(self):
|
|
self.current_id += 1
|
|
if self.current_id >= len(self.nacs):
|
|
self.current_id = 0
|
|
return self.nacs[self.current_id]
|
|
|
|
def to_string(self):
|
|
s = ''
|
|
for nac in self.trunked_systems:
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|
s += '\n====== NAC 0x%x ====== %s ======\n' % (nac, self.trunked_systems[nac].sysname)
|
|
s += self.trunked_systems[nac].to_string()
|
|
return s
|
|
|
|
def process_qmsg(self, msg):
|
|
type = msg.type()
|
|
updated = 0
|
|
curr_time = time.time()
|
|
if type == -2:
|
|
cmd = msg.to_string()
|
|
if self.debug > 10:
|
|
print "process_qmsg: command: %s" % cmd
|
|
self.update_state(cmd, curr_time)
|
|
return
|
|
elif type == -1:
|
|
print "process_data_unit timeout"
|
|
self.update_state('timeout', curr_time)
|
|
return
|
|
s = msg.to_string()
|
|
# nac is always 1st two bytes
|
|
nac = (ord(s[0]) << 8) + ord(s[1])
|
|
s = s[2:]
|
|
if self.debug > 10:
|
|
print "nac %x type %d at %f state %d len %d" %(nac, type, time.time(), self.state, len(s))
|
|
if (type == 7 or type == 12) and nac not in self.trunked_systems:
|
|
if not self.configs:
|
|
# TODO: allow whitelist/blacklist rather than blind automatic-add
|
|
self.add_trunked_system(nac)
|
|
else:
|
|
return
|
|
if type == 7: # trunk: TSBK
|
|
t = 0
|
|
for c in s:
|
|
t = (t << 8) + ord(c)
|
|
updated += self.trunked_systems[nac].decode_tsbk(t)
|
|
elif type == 12: # trunk: MBT
|
|
s1 = s[:10]
|
|
s2 = s[10:]
|
|
header = mbt_data = 0
|
|
for c in s1:
|
|
header = (header << 8) + ord(c)
|
|
for c in s2:
|
|
mbt_data = (mbt_data << 8) + ord(c)
|
|
opcode = (header >> 16) & 0x3f
|
|
if self.debug > 10:
|
|
print "type %d at %f state %d len %d/%d opcode %x [%x/%x]" %(type, time.time(), self.state, len(s1), len(s2), opcode, header,mbt_data)
|
|
self.trunked_systems[nac].decode_mbt_data(opcode, header << 16, mbt_data << 32)
|
|
|
|
if nac != self.current_nac:
|
|
return
|
|
|
|
if updated:
|
|
self.update_state('update', curr_time)
|
|
else:
|
|
self.update_state('duid%d' % type, curr_time)
|
|
|
|
def update_state(self, command, curr_time):
|
|
if not self.configs:
|
|
return # run in "manual mode" if no conf
|
|
|
|
nac = self.current_nac
|
|
tsys = self.trunked_systems[nac]
|
|
|
|
new_frequency = None
|
|
new_tgid = None
|
|
new_state = None
|
|
new_nac = None
|
|
|
|
if command == 'timeout' or command == 'duid15':
|
|
if self.current_state != self.states.CC:
|
|
new_state = self.states.CC
|
|
new_frequency = tsys.trunk_cc
|
|
elif command == 'update':
|
|
if self.current_state == self.states.CC:
|
|
desired_tgid = None
|
|
if self.tgid_hold_until > curr_time:
|
|
desired_tgid = self.tgid_hold
|
|
new_frequency, new_tgid = tsys.find_voice_frequency(curr_time, tgid=desired_tgid)
|
|
if new_frequency:
|
|
new_state = self.states.TO_VC
|
|
self.current_tgid = new_tgid
|
|
elif command == 'duid3':
|
|
if self.current_state != self.states.CC:
|
|
new_state = self.states.CC
|
|
new_frequency = tsys.trunk_cc
|
|
elif command == 'duid0' or command == 'duid5' or command == 'duid10':
|
|
if self.state == self.states.TO_VC:
|
|
new_state = self.states.VC
|
|
self.tgid_hold = self.current_tgid
|
|
self.tgid_hold_until = max(curr_time + self.TGID_HOLD_TIME, self.tgid_hold_until)
|
|
self.wait_until = curr_time + self.TSYS_HOLD_TIME
|
|
elif command == 'duid7' or command == 'duid12':
|
|
pass
|
|
elif command == 'set_hold':
|
|
if self.current_tgid:
|
|
self.tgid_hold = self.current_tgid
|
|
self.tgid_hold_until = curr_time + 86400 * 10000
|
|
print 'set hold until %f' % self.tgid_hold_until
|
|
elif command == 'unset_hold':
|
|
if self.current_tgid:
|
|
self.current_tgid = None
|
|
self.tgid_hold = None
|
|
self.tgid_hold_until = curr_time
|
|
elif command == 'skip':
|
|
pass # TODO
|
|
elif command == 'lockout':
|
|
if self.current_tgid:
|
|
tsys.add_blacklist(self.current_tgid)
|
|
self.current_tgid = None
|
|
self.tgid_hold = None
|
|
self.tgid_hold_until = curr_time
|
|
if self.current_state != self.states.CC:
|
|
new_state = self.states.CC
|
|
new_frequency = tsys.trunk_cc
|
|
else:
|
|
print 'update_state: unknown command: %s\n' % command
|
|
assert 0 == 1
|
|
|
|
if self.wait_until <= curr_time and self.tgid_hold_until <= curr_time:
|
|
self.wait_until = curr_time + self.TSYS_HOLD_TIME
|
|
new_nac = self.find_next_tsys()
|
|
|
|
if new_nac:
|
|
nac = self.current_nac = new_nac
|
|
tsys = self.trunked_systems[nac]
|
|
new_frequency = tsys.trunk_cc
|
|
self.current_tgid = None
|
|
|
|
if new_frequency:
|
|
self.set_frequency({'freq': new_frequency, 'tgid': self.current_tgid, 'offset': tsys.offset, 'tag': tsys.get_tag(self.current_tgid), 'nac': nac, 'system': tsys.sysname})
|
|
|
|
if new_state:
|
|
self.current_state = new_state
|
|
|
|
def main():
|
|
q = 0x3a000012ae01013348704a54
|
|
rc = crc16(q,12)
|
|
print "should be zero: %x" % rc
|
|
assert rc == 0
|
|
|
|
q = 0x3a001012ae01013348704a54
|
|
rc = crc16(q,12)
|
|
print "should be nonzero: %x" % rc
|
|
assert rc != 0
|
|
|
|
t = trunked_system(debug=255)
|
|
q = 0x3a000012ae0101334870
|
|
t.decode_tsbk(q)
|
|
|
|
q = 0x02900031210020018e7c
|
|
t.decode_tsbk(q)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|