594 lines
33 KiB
Python
594 lines
33 KiB
Python
#!/usr/bin/env python
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#
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###############################################################################
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# HBLink - Copyright (C) 2020 Cortney T. Buffington, N0MJS <n0mjs@me.com>
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# GPS/Data - Copyright (C) 2020 Eric Craw, KF7EEL <kf7eel@qsl.net>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public 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 this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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###############################################################################
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'''
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This is a GPS and Data application. It decodes and reassambles DMR GPS packets and
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uploads them th APRS-IS.
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'''
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# Python modules we need
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import sys
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from bitarray import bitarray
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from time import time
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from importlib import import_module
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from types import ModuleType
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# Twisted is pretty important, so I keep it separate
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from twisted.internet.protocol import Factory, Protocol
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from twisted.protocols.basic import NetstringReceiver
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from twisted.internet import reactor, task
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# Things we import from the main hblink module
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from hblink import HBSYSTEM, OPENBRIDGE, systems, hblink_handler, reportFactory, REPORT_OPCODES, config_reports, mk_aliases, acl_check
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from dmr_utils3.utils import bytes_3, int_id, get_alias
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from dmr_utils3 import decode, bptc, const
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import config
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import log
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import const
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# The module needs logging logging, but handlers, etc. are controlled by the parent
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import logging
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logger = logging.getLogger(__name__)
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# Other modules we need for data and GPS
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from bitarray import bitarray
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from binascii import b2a_hex as ahex
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import re
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##from binascii import a2b_hex as bhex
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import aprslib
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import datetime
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from bitarray.util import ba2int as ba2num
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from bitarray.util import ba2hex as ba2hx
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import codecs
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import time
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#Needed for working with NMEA
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import pynmea2
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# Modules for executing commands/scripts
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import os
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from gps_functions import cmd_list
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# Module for maidenhead grids
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import maidenhead as mh
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#Modules for APRS settings
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import ast
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from pathlib import Path
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# Does anybody read this stuff? There's a PEP somewhere that says I should do this.
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__author__ = 'Cortney T. Buffington, N0MJS; Eric Craw, KF7EEL'
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__copyright__ = 'Copyright (c) 2020 Cortney T. Buffington'
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__credits__ = 'Colin Durbridge, G4EML, Steve Zingman, N4IRS; Mike Zingman, N4IRR; Jonathan Naylor, G4KLX; Hans Barthen, DL5DI; Torsten Shultze, DG1HT'
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__license__ = 'GNU GPLv3'
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__maintainer__ = 'Eric Craw, KF7EEL'
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__email__ = 'kf7eel@qsl.net'
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__status__ = 'pre-alpha'
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# Known to work with: AT-D878
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# Must have the following at line 1054 in bridge.py to forward group vcsbk, also there is a typo there:
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# self.group_received(_peer_id, _rf_src, _dst_id, _seq, _slot, _frame_type, _dtype_vseq, _stream_id, _data)
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##################################################################################################
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# Headers for GPS by model of radio:
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# AT-D878 - Compressed UDP
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# MD-380 - Unified Data Transport
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# From dmr_utils3, modified to decode entire packet. Works for 1/2 rate coded data.
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def decode_full(_data):
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binlc = bitarray(endian='big')
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binlc.extend([_data[136],_data[121],_data[106],_data[91], _data[76], _data[61], _data[46], _data[31]])
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binlc.extend([_data[152],_data[137],_data[122],_data[107],_data[92], _data[77], _data[62], _data[47], _data[32], _data[17], _data[2] ])
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binlc.extend([_data[123],_data[108],_data[93], _data[78], _data[63], _data[48], _data[33], _data[18], _data[3], _data[184],_data[169]])
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binlc.extend([_data[94], _data[79], _data[64], _data[49], _data[34], _data[19], _data[4], _data[185],_data[170],_data[155],_data[140]])
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binlc.extend([_data[65], _data[50], _data[35], _data[20], _data[5], _data[186],_data[171],_data[156],_data[141],_data[126],_data[111]])
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binlc.extend([_data[36], _data[21], _data[6], _data[187],_data[172],_data[157],_data[142],_data[127],_data[112],_data[97], _data[82] ])
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binlc.extend([_data[7], _data[188],_data[173],_data[158],_data[143],_data[128],_data[113],_data[98], _data[83]])
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#This is the rest of the Full LC data -- the RS1293 FEC that we don't need
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# This is extremely important for SMS and GPS though.
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binlc.extend([_data[68],_data[53],_data[174],_data[159],_data[144],_data[129],_data[114],_data[99],_data[84],_data[69],_data[54],_data[39]])
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binlc.extend([_data[24],_data[145],_data[130],_data[115],_data[100],_data[85],_data[70],_data[55],_data[40],_data[25],_data[10],_data[191]])
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return binlc
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n_packet_assembly = 0
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packet_assembly = ''
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final_packet = ''
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#Convert DMR packet to binary from MMDVM packet and remove Slot Type and EMB Sync stuff to allow for BPTC 196,96 decoding
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def bptc_decode(_data):
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binary_packet = bitarray(decode.to_bits(_data[20:]))
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del binary_packet[98:166]
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return decode_full(binary_packet)
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# Placeholder for future header id
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def header_ID(_data):
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hex_hdr = str(ahex(bptc_decode(_data)))
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return hex_hdr[2:6]
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# Work in progress, used to determine data format
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## pass
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def aprs_send(packet):
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AIS = aprslib.IS(aprs_callsign, passwd=aprs_passcode,host=aprs_server, port=aprs_port)
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AIS.connect()
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AIS.sendall(packet)
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AIS.close()
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# Thanks for this forum post for this - https://stackoverflow.com/questions/2579535/convert-dd-decimal-degrees-to-dms-degrees-minutes-seconds-in-python
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def decdeg2dms(dd):
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is_positive = dd >= 0
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dd = abs(dd)
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minutes,seconds = divmod(dd*3600,60)
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degrees,minutes = divmod(minutes,60)
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degrees = degrees if is_positive else -degrees
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return (degrees,minutes,seconds)
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def user_setting_write(dmr_id, setting, value):
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## try:
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# Open file and load as dict for modification
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with open("./user_settings.txt", 'r') as f:
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## if f.read() == '{}':
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## user_dict = {}
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user_dict = ast.literal_eval(f.read())
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logger.info('Current settings: ' + str(user_dict))
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if dmr_id not in user_dict:
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user_dict[dmr_id] = [{'call': str(get_alias((dmr_id), subscriber_ids))}, {'ssid': ''}, {'icon': ''}, {'comment': ''}]
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if setting.upper() == 'ICON':
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user_dict[dmr_id][2]['icon'] = value
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if setting.upper() == 'SSID':
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user_dict[dmr_id][1]['ssid'] = value
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if setting.upper() == 'COM':
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user_comment = user_dict[dmr_id][3]['comment'] = value[0:35]
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f.close()
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logger.info('Loaded user settings. Preparing to write...')
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# Write modified dict to file
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with open("./user_settings.txt", 'w') as user_dict_file:
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user_dict_file.write(str(user_dict))
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user_dict_file.close()
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logger.info('User setting saved')
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f.close()
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packet_assembly = ''
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## except:
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## logger.info('No data file found, creating one.')
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## #Path('./user_settings.txt').mkdir(parents=True, exist_ok=True)
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## Path('./user_settings.txt').touch()
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##def retrieve_aprs_settings(_rf_src):
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## user_settings = ast.literal_eval(os.popen('cat ./user_settings.txt').read())
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## if int_id(_rf_src) not in user_settings:
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## aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APRS,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(loc.lat[0:7]) + str(loc.lat_dir) + '/' + str(loc.lon[0:8]) + str(loc.lon_dir) + '[' + str(round(loc.true_course)).zfill(3) + '/' + str(round(loc.spd_over_grnd)).zfill(3) + '/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
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## else:
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## if user_settings[int_id(_rf_src)][1]['ssid'] == '':
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## ssid = user_ssid
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## if user_settings[int_id(_rf_src)][3]['comment'] == '':
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## comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
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## if user_settings[int_id(_rf_src)][2]['icon'] == '':
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## icon_table = '/'
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## icon_icon = '['
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## if user_settings[int_id(_rf_src)][2]['icon'] != '':
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## icon_table = user_settings[int_id(_rf_src)][2]['icon'][0]
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## icon_icon = user_settings[int_id(_rf_src)][2]['icon'][1]
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## if user_settings[int_id(_rf_src)][1]['ssid'] != '':
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## ssid = user_settings[int_id(_rf_src)][1]['ssid']
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## if user_settings[int_id(_rf_src)][3]['comment'] != '':
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## comment = user_settings[int_id(_rf_src)][3]['comment']
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## return ssid, icon, comment
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##
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# Process SMS, do something bases on message
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def process_sms(_rf_src, sms):
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if sms == 'ID':
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logger.info(str(get_alias(int_id(from_id), subscriber_ids)) + ' - ' + str(int_id(from_id)))
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elif sms == 'TEST':
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logger.info('It works!')
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elif '@ICON' in sms:
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user_setting_write(int_id(_rf_src), re.sub(' .*|@','',sms), re.sub('@ICON| ','',sms))
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elif '@SSID' in sms:
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user_setting_write(int_id(_rf_src), re.sub(' .*|@','',sms), re.sub('@SSID| ','',sms))
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elif '@COM' in sms:
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user_setting_write(int_id(_rf_src), re.sub(' .*|@','',sms), re.sub('@COM |@COM','',sms))
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elif '@MH' in sms:
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grid_square = re.sub('@MH ', '', sms)
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if len(grid_square) < 6:
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pass
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else:
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lat = decdeg2dms(mh.to_location(grid_square)[0])
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lon = decdeg2dms(mh.to_location(grid_square)[1])
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if lon[0] < 0:
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lon_dir = 'W'
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if lon[0] > 0:
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lon_dir = 'E'
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if lat[0] < 0:
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lat_dir = 'S'
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if lat[0] > 0:
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lat_dir = 'N'
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#logger.info(lat)
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#logger.info(lat_dir)
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aprs_lat = str(str(re.sub('\..*|-', '', str(lat[0]))) + str(re.sub('\..*', '', str(lat[1])) + '.').ljust(5) + lat_dir)
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aprs_lon = str(str(re.sub('\..*|-', '', str(lon[0]))) + str(re.sub('\..*', '', str(lon[1])) + '.').ljust(5) + lon_dir)
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#logger.info(mh.to_location(grid_square))
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#logger.info(str(lat) + ', ' + str(lon))
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logger.info('Latitude: ' + str(aprs_lat))
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logger.info('Longitude: ' + str(aprs_lon))
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user_settings = ast.literal_eval(os.popen('cat ./user_settings.txt').read())
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if int_id(_rf_src) not in user_settings:
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aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APHBL3,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(aprs_lat) + '/' + str(aprs_lon) + '[/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
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else:
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if user_settings[int_id(_rf_src)][1]['ssid'] == '':
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ssid = user_ssid
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if user_settings[int_id(_rf_src)][3]['comment'] == '':
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comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
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if user_settings[int_id(_rf_src)][2]['icon'] == '':
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icon_table = '/'
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icon_icon = '['
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if user_settings[int_id(_rf_src)][2]['icon'] != '':
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icon_table = user_settings[int_id(_rf_src)][2]['icon'][0]
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icon_icon = user_settings[int_id(_rf_src)][2]['icon'][1]
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if user_settings[int_id(_rf_src)][1]['ssid'] != '':
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ssid = user_settings[int_id(_rf_src)][1]['ssid']
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if user_settings[int_id(_rf_src)][3]['comment'] != '':
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comment = user_settings[int_id(_rf_src)][3]['comment']
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aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid + '>APHBL3,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(aprs_lat) + icon_table + str(aprs_lon) + icon_icon + '/' + str(comment)
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logger.info(aprs_loc_packet)
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try:
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aprslib.parse(aprs_loc_packet)
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aprs_send(aprs_loc_packet)
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except:
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logger.info('Exception. Not uploaded')
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packet_assembly = ''
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try:
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if sms in cmd_list:
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logger.info('Executing command/script.')
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os.popen(cmd_list[sms]).read()
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packet_assembly = ''
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except:
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logger.info('Exception. Command possibly not in list, or other error.')
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packet_assembly = ''
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else:
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pass
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###########
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class DATA_SYSTEM(HBSYSTEM):
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## global n_packet_assembly, packet_assembly
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def __init__(self, _name, _config, _report):
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HBSYSTEM.__init__(self, _name, _config, _report)
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def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data):
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# Capture data headers
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global n_packet_assembly
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#logger.info(_dtype_vseq)
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logger.info(time.strftime('%H:%M:%S - %m/%d/%y'))
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#logger.info('Special debug for developement:')
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#logger.info(ahex(bptc_decode(_data)))
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if int_id(_dst_id) == data_id:
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#logger.info(type(_seq))
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if type(_seq) is bytes:
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pckt_seq = int.from_bytes(_seq, 'big')
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else:
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pckt_seq = _seq
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# Try to classify header
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# UDT header has DPF of 0101, which is 5.
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# If 5 is at position 3, then this should be a UDT header for MD-380 type radios.
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# Coordinates are usually in the very next block after the header, we will discard the rest.
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#logger.info(ahex(bptc_decode(_data)[0:10]))
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if _call_type == call_type and header_ID(_data)[3] == '5' or (_call_type == 'vcsbk' and header_ID(_data)[3] == '5'):
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global udt_block, hdr_type
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logger.info('MD-380 type UDT header detected. Very next packet should be location.')
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hdr_type = '380'
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if _dtype_vseq == 6 and hdr_type == '380' or _dtype_vseq == 'group' and hdr_type == '380':
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udt_block = 1
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if _dtype_vseq == 7 and hdr_type == '380':
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udt_block = udt_block - 1
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if udt_block == 0:
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logger.info('MD-380 type packet. This should contain the GPS location.')
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if ba2num(bptc_decode(_data)[1:2]) == 1:
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lat_dir = 'N'
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if ba2num(bptc_decode(_data)[1:2]) == 0:
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lat_dir = 'S'
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if ba2num(bptc_decode(_data)[2:3]) == 1:
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lon_dir = 'E'
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if ba2num(bptc_decode(_data)[2:3]) == 0:
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lon_dir = 'W'
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lat_deg = ba2num(bptc_decode(_data)[11:18])
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lon_deg = ba2num(bptc_decode(_data)[38:46])
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lat_min = ba2num(bptc_decode(_data)[18:24])
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lon_min = ba2num(bptc_decode(_data)[46:52])
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lat_min_dec = ba2num(bptc_decode(_data)[24:38])
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lon_min_dec = ba2num(bptc_decode(_data)[52:66])
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aprs_lat = str(str(lat_deg) + str(lat_min) + '.' + str(lat_min_dec)[0:2]).zfill(7) + lat_dir
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aprs_lon = str(str(lon_deg) + str(lon_min) + '.' + str(lon_min_dec)[0:2]).zfill(8) + lon_dir
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# Form APRS packet
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# For future use below
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#aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid + '>APHBL3,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(aprs_lat) + icon_table + str(aprs_lon) + icon_icon + '/' + str(comment)
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#logger.info(aprs_loc_packet)
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logger.info('Lat: ' + str(aprs_lat) + ' Lon: ' + str(aprs_lon))
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user_settings = ast.literal_eval(os.popen('cat ./user_settings.txt').read())
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if int_id(_rf_src) not in user_settings:
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aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APHBL3,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(aprs_lat) + '/' + str(aprs_lon) + '[/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
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else:
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if user_settings[int_id(_rf_src)][1]['ssid'] == '':
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ssid = user_ssid
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if user_settings[int_id(_rf_src)][3]['comment'] == '':
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comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
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if user_settings[int_id(_rf_src)][2]['icon'] == '':
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icon_table = '/'
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icon_icon = '['
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if user_settings[int_id(_rf_src)][2]['icon'] != '':
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icon_table = user_settings[int_id(_rf_src)][2]['icon'][0]
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icon_icon = user_settings[int_id(_rf_src)][2]['icon'][1]
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if user_settings[int_id(_rf_src)][1]['ssid'] != '':
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ssid = user_settings[int_id(_rf_src)][1]['ssid']
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if user_settings[int_id(_rf_src)][3]['comment'] != '':
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comment = user_settings[int_id(_rf_src)][3]['comment']
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aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid + '>APHBL3,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(aprs_lat) + icon_table + str(aprs_lon) + icon_icon + '/' + str(comment)
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logger.info(aprs_loc_packet)
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|
# Attempt to prevent malformed packets from being uploaded.
|
|
try:
|
|
aprslib.parse(aprs_loc_packet)
|
|
float(lat) < 91
|
|
float(lon) < 121
|
|
aprs_send(aprs_loc_packet)
|
|
logger.info('Sent APRS packet')
|
|
except:
|
|
loggr.info('Error. Failed to send packet. Packet may be malformed.')
|
|
udt_block = 1
|
|
hdr_type = ''
|
|
else:
|
|
pass
|
|
#NMEA type packets for Anytone like radios.
|
|
elif _call_type == call_type or (_call_type == 'vcsbk' and pckt_seq > 3): #int.from_bytes(_seq, 'big') > 3 ):
|
|
global packet_assembly
|
|
if _dtype_vseq == 6 or _dtype_vseq == 'group':
|
|
global btf, hdr_start
|
|
hdr_start = str(header_ID(_data))
|
|
logger.info('Header from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + '. DMR ID: ' + str(int_id(_rf_src)))
|
|
logger.info(ahex(bptc_decode(_data)))
|
|
logger.info('Blocks to follow: ' + str(ba2num(bptc_decode(_data)[65:72])))
|
|
btf = ba2num(bptc_decode(_data)[65:72])
|
|
# Try resetting packet_assembly
|
|
packet_assembly = ''
|
|
# Data blocks at 1/2 rate, see https://github.com/g4klx/MMDVM/blob/master/DMRDefines.h for data types. _dtype_seq defined here also
|
|
if _dtype_vseq == 7:
|
|
btf = btf - 1
|
|
logger.info('Block #: ' + str(btf))
|
|
#logger.info(_seq)
|
|
logger.info('Data block from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + '. DMR ID: ' + str(int_id(_rf_src)))
|
|
logger.info(ahex(bptc_decode(_data)))
|
|
if _seq == 0:
|
|
n_packet_assembly = 0
|
|
packet_assembly = ''
|
|
|
|
if btf < btf + 1:
|
|
n_packet_assembly = n_packet_assembly + 1
|
|
packet_assembly = packet_assembly + str(bptc_decode(_data)) #str((decode_full_lc(b_packet)).strip('bitarray('))
|
|
# Use block 0 as trigger. $GPRMC must also be in string to indicate NMEA.
|
|
# This triggers the APRS upload
|
|
if btf == 0:#_seq == 12:
|
|
final_packet = str(bitarray(re.sub("\)|\(|bitarray|'", '', packet_assembly)).tobytes().decode('utf-8', 'ignore'))
|
|
sms_hex = str(ba2hx(bitarray(re.sub("\)|\(|bitarray|'", '', packet_assembly))))
|
|
sms_hex_string = re.sub("b'|'", '', str(sms_hex))
|
|
#NMEA GPS sentence
|
|
if '$GPRMC' in final_packet:
|
|
logger.info(final_packet + '\n')
|
|
nmea_parse = re.sub('A\*.*|.*\$', '', str(final_packet))
|
|
loc = pynmea2.parse(nmea_parse, check=False)
|
|
logger.info('Latitude: ' + str(loc.lat) + str(loc.lat_dir) + ' Longitude: ' + str(loc.lon) + str(loc.lon_dir) + ' Direction: ' + str(loc.true_course) + ' Speed: ' + str(loc.spd_over_grnd) + '\n')
|
|
# Begin APRS format and upload
|
|
## aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APRS,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(final_packet[29:36]) + str(final_packet[39]) + '/' + str(re.sub(',', '', final_packet[41:49])) + str(final_packet[52]) + '[/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
|
|
try:
|
|
# Disable opening file for reading to reduce "collision" or reading and writing at same time.
|
|
with open("./user_settings.txt", 'r') as f:
|
|
user_settings = ast.literal_eval(f.read())
|
|
user_settings = ast.literal_eval(os.popen('cat ./user_settings.txt').read())
|
|
if int_id(_rf_src) not in user_settings:
|
|
aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APHBL3,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(loc.lat[0:7]) + str(loc.lat_dir) + '/' + str(loc.lon[0:8]) + str(loc.lon_dir) + '[' + str(round(loc.true_course)).zfill(3) + '/' + str(round(loc.spd_over_grnd)).zfill(3) + '/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
|
|
else:
|
|
if user_settings[int_id(_rf_src)][1]['ssid'] == '':
|
|
ssid = user_ssid
|
|
if user_settings[int_id(_rf_src)][3]['comment'] == '':
|
|
comment = aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
|
|
if user_settings[int_id(_rf_src)][2]['icon'] == '':
|
|
icon_table = '/'
|
|
icon_icon = '['
|
|
if user_settings[int_id(_rf_src)][2]['icon'] != '':
|
|
icon_table = user_settings[int_id(_rf_src)][2]['icon'][0]
|
|
icon_icon = user_settings[int_id(_rf_src)][2]['icon'][1]
|
|
if user_settings[int_id(_rf_src)][1]['ssid'] != '':
|
|
ssid = user_settings[int_id(_rf_src)][1]['ssid']
|
|
if user_settings[int_id(_rf_src)][3]['comment'] != '':
|
|
comment = user_settings[int_id(_rf_src)][3]['comment']
|
|
#logger.info(retrieve_aprs_settings(_rf_src))
|
|
aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + ssid + '>APHBL3,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(loc.lat[0:7]) + str(loc.lat_dir) + icon_table + str(loc.lon[0:8]) + str(loc.lon_dir) + icon_icon + str(round(loc.true_course)).zfill(3) + '/' + str(round(loc.spd_over_grnd)).zfill(3) + '/' + str(comment)
|
|
logger.info(aprs_loc_packet)
|
|
logger.info('User comment: ' + comment)
|
|
logger.info('User SSID: ' + ssid)
|
|
logger.info('User icon: ' + icon_table + icon_icon)
|
|
## f.close()
|
|
except:
|
|
logger.info('Error or user settings file not found, proceeding with default settings.')
|
|
aprs_loc_packet = str(get_alias(int_id(_rf_src), subscriber_ids)) + '-' + str(user_ssid) + '>APHBL3,TCPIP*:/' + str(datetime.datetime.utcnow().strftime("%H%M%Sh")) + str(loc.lat[0:7]) + str(loc.lat_dir) + '/' + str(loc.lon[0:8]) + str(loc.lon_dir) + '[' + str(round(loc.true_course)).zfill(3) + '/' + str(round(loc.spd_over_grnd)).zfill(3) + '/' + aprs_comment + ' DMR ID: ' + str(int_id(_rf_src))
|
|
try:
|
|
# Try parse of APRS packet. If it fails, it will not upload to APRS-IS
|
|
aprslib.parse(aprs_loc_packet)
|
|
# Float values of lat and lon. Anything that is not a number will cause it to fail.
|
|
float(loc.lat)
|
|
float(loc.lon)
|
|
aprs_send(aprs_loc_packet)
|
|
except:
|
|
logger.info('Failed to parse packet. Packet may be deformed. Not uploaded.')
|
|
# Get callsign based on DMR ID
|
|
# End APRS-IS upload
|
|
# Assume this is an SMS message
|
|
if '$GPRMC' not in final_packet:
|
|
|
|
#### # Motorola type SMS header
|
|
## if '824a' in hdr_start or '024a' in hdr_start:
|
|
## logger.info('\nMotorola type SMS')
|
|
## sms = codecs.decode(bytes.fromhex(''.join(sms_hex[74:-8].split('00'))), 'utf-8')
|
|
## logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
|
|
## process_sms(_rf_src, sms)
|
|
## packet_assembly = ''
|
|
## # ETSI? type SMS header
|
|
## elif '0244' in hdr_start or '8244' in hdr_start:
|
|
## logger.info('ETSI? type SMS')
|
|
## sms = codecs.decode(bytes.fromhex(''.join(sms_hex[64:-8].split('00'))), 'utf-8')
|
|
## logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
|
|
## #logger.info(final_packet)
|
|
## #logger.info(sms_hex[64:-8])
|
|
## process_sms(_rf_src, sms)
|
|
## packet_assembly = ''
|
|
####
|
|
## else:
|
|
logger.info('\nSMS detected. Attempting to parse.')
|
|
#logger.info(final_packet)
|
|
logger.info(sms_hex)
|
|
## logger.info(type(sms_hex))
|
|
logger.info('Attempting to find command...')
|
|
## sms = codecs.decode(bytes.fromhex(''.join(sms_hex[:-8].split('00'))), 'utf-8', 'ignore')
|
|
sms = codecs.decode(bytes.fromhex(''.join(sms_hex_string[:-8].split('00'))), 'utf-8', 'ignore')
|
|
msg_found = re.sub('.*\n', '', sms)
|
|
logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(msg_found) + '\n')
|
|
process_sms(_rf_src, msg_found)
|
|
packet_assembly = ''
|
|
pass
|
|
#logger.info(bitarray(re.sub("\)|\(|bitarray|'", '', str(bptc_decode(_data)).tobytes().decode('utf-8', 'ignore'))))
|
|
#logger.info('\n\n' + 'Received SMS from ' + str(get_alias(int_id(_rf_src), subscriber_ids)) + ', DMR ID: ' + str(int_id(_rf_src)) + ': ' + str(sms) + '\n')
|
|
# Reset the packet assembly to prevent old data from returning.
|
|
hdr_start = ''
|
|
#logger.info(_seq)
|
|
#packet_assembly = '' #logger.info(_dtype_vseq)
|
|
#logger.info(ahex(bptc_decode(_data)).decode('utf-8', 'ignore'))
|
|
#logger.info(bitarray(re.sub("\)|\(|bitarray|'", '', str(bptc_decode(_data)).tobytes().decode('utf-8', 'ignore'))))
|
|
|
|
else:
|
|
pass
|
|
|
|
|
|
#************************************************
|
|
# MAIN PROGRAM LOOP STARTS HERE
|
|
#************************************************
|
|
|
|
if __name__ == '__main__':
|
|
#global aprs_callsign, aprs_passcode, aprs_server, aprs_port, user_ssid, aprs_comment, call_type, data_id
|
|
import argparse
|
|
import sys
|
|
import os
|
|
import signal
|
|
from dmr_utils3.utils import try_download, mk_id_dict
|
|
|
|
# Change the current directory to the location of the application
|
|
os.chdir(os.path.dirname(os.path.realpath(sys.argv[0])))
|
|
|
|
# Check if user_settings (for APRS settings of users) exists. Creat it if not.
|
|
if Path('./user_settings.txt').is_file():
|
|
pass
|
|
else:
|
|
Path('./user_settings.txt').touch()
|
|
with open("./user_settings.txt", 'w') as user_dict_file:
|
|
user_dict_file.write("{1: [{'call': 'N0CALL'}, {'ssid': ''}, {'icon': ''}, {'comment': ''}]}")
|
|
user_dict_file.close()
|
|
|
|
# CLI argument parser - handles picking up the config file from the command line, and sending a "help" message
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument('-c', '--config', action='store', dest='CONFIG_FILE', help='/full/path/to/config.file (usually gps_data.cfg)')
|
|
parser.add_argument('-l', '--logging', action='store', dest='LOG_LEVEL', help='Override config file logging level.')
|
|
cli_args = parser.parse_args()
|
|
|
|
# Ensure we have a path for the config file, if one wasn't specified, then use the default (top of file)
|
|
if not cli_args.CONFIG_FILE:
|
|
cli_args.CONFIG_FILE = os.path.dirname(os.path.abspath(__file__))+'/gps_data.cfg'
|
|
|
|
# Call the external routine to build the configuration dictionary
|
|
CONFIG = config.build_config(cli_args.CONFIG_FILE)
|
|
|
|
data_id = int(CONFIG['GPS_DATA']['DATA_DMR_ID'])
|
|
|
|
# Group call or Unit (private) call
|
|
call_type = CONFIG['GPS_DATA']['CALL_TYPE']
|
|
# APRS-IS login information
|
|
aprs_callsign = CONFIG['GPS_DATA']['APRS_LOGIN_CALL']
|
|
aprs_passcode = int(CONFIG['GPS_DATA']['APRS_LOGIN_PASSCODE'])
|
|
aprs_server = CONFIG['GPS_DATA']['APRS_SERVER']
|
|
aprs_port = int(CONFIG['GPS_DATA']['APRS_PORT'])
|
|
user_ssid = CONFIG['GPS_DATA']['USER_APRS_SSID']
|
|
aprs_comment = CONFIG['GPS_DATA']['USER_APRS_COMMENT']
|
|
|
|
# Start the system logger
|
|
if cli_args.LOG_LEVEL:
|
|
CONFIG['LOGGER']['LOG_LEVEL'] = cli_args.LOG_LEVEL
|
|
logger = log.config_logging(CONFIG['LOGGER'])
|
|
logger.info('\n\nCopyright (c) 2013, 2014, 2015, 2016, 2018, 2019\n\tThe Regents of the K0USY Group. All rights reserved.\n GPS and Data decoding by Eric, KF7EEL')
|
|
logger.debug('Logging system started, anything from here on gets logged')
|
|
|
|
# Set up the signal handler
|
|
def sig_handler(_signal, _frame):
|
|
logger.info('SHUTDOWN: >>>GPS and Data Decoder<<< IS TERMINATING WITH SIGNAL %s', str(_signal))
|
|
hblink_handler(_signal, _frame)
|
|
logger.info('SHUTDOWN: ALL SYSTEM HANDLERS EXECUTED - STOPPING REACTOR')
|
|
reactor.stop()
|
|
|
|
# Set signal handers so that we can gracefully exit if need be
|
|
for sig in [signal.SIGTERM, signal.SIGINT]:
|
|
signal.signal(sig, sig_handler)
|
|
|
|
# Create the name-number mapping dictionaries
|
|
peer_ids, subscriber_ids, talkgroup_ids = mk_aliases(CONFIG)
|
|
|
|
|
|
# INITIALIZE THE REPORTING LOOP
|
|
if CONFIG['REPORTS']['REPORT']:
|
|
report_server = config_reports(CONFIG, reportFactory)
|
|
else:
|
|
report_server = None
|
|
logger.info('(REPORT) TCP Socket reporting not configured')
|
|
|
|
# HBlink instance creation
|
|
logger.info('HBlink \'gps_data.py\' -- SYSTEM STARTING...')
|
|
for system in CONFIG['SYSTEMS']:
|
|
if CONFIG['SYSTEMS'][system]['ENABLED']:
|
|
if CONFIG['SYSTEMS'][system]['MODE'] == 'OPENBRIDGE':
|
|
systems[system] = OPENBRIDGE(system, CONFIG, report_server)
|
|
else:
|
|
systems[system] = DATA_SYSTEM(system, CONFIG, report_server)
|
|
|
|
reactor.listenUDP(CONFIG['SYSTEMS'][system]['PORT'], systems[system], interface=CONFIG['SYSTEMS'][system]['IP'])
|
|
logger.debug('%s instance created: %s, %s', CONFIG['SYSTEMS'][system]['MODE'], system, systems[system])
|
|
|
|
reactor.run()
|
|
|
|
|
|
# John 3:16 - For God so loved the world, that he gave his only Son,
|
|
# that whoever believes in him should not perish but have eternal life.
|