64 lines
2.2 KiB
Python
Executable File
64 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#
|
|
# Copyright 2010 Nick Foster
|
|
#
|
|
# This file is part of gr-air-modes
|
|
#
|
|
# gr-air-modes is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 3, or (at your option)
|
|
# any later version.
|
|
#
|
|
# gr-air-modes is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with gr-air-modes; see the file COPYING. If not, write to
|
|
# the Free Software Foundation, Inc., 51 Franklin Street,
|
|
# Boston, MA 02110-1301, USA.
|
|
#
|
|
|
|
from modes_parse import *
|
|
from cpr import *
|
|
import sys
|
|
|
|
my_location = [37.76225, -122.44254]
|
|
|
|
shortdata = long(sys.argv[1], 16)
|
|
longdata = long(sys.argv[2], 16)
|
|
parity = long(sys.argv[3], 16)
|
|
ecc = long(sys.argv[4], 16)
|
|
|
|
parser = modes_parse(my_location)
|
|
|
|
[altitude, decoded_lat, decoded_lon, rnge, bearing] = parser.parseBDS06(shortdata, longdata, parity, ecc)
|
|
|
|
if decoded_lat is not None:
|
|
print "Altitude: %i\nLatitude: %.6f\nLongitude: %.6f\nRange: %.2f\nBearing: %i\n" % (altitude, decoded_lat, decoded_lon, rnge, bearing,)
|
|
|
|
print "Decomposing...\n"
|
|
|
|
subtype = (longdata >> 51) & 0x1F;
|
|
|
|
encoded_lon = longdata & 0x1FFFF
|
|
encoded_lat = (longdata >> 17) & 0x1FFFF
|
|
cpr_format = (longdata >> 34) & 1
|
|
|
|
enc_alt = (longdata >> 36) & 0x0FFF
|
|
|
|
[cpr_lat, cpr_lon] = cpr_resolve_local(my_location, [encoded_lat, encoded_lon], cpr_format, 1)
|
|
|
|
print "Subtype: %i\nEncoded longitude: %x\nEncoded latitude: %x\nCPR format: %i\nEncoded altitude: %x\n" % (subtype, encoded_lon, encoded_lat, cpr_format, enc_alt,)
|
|
print "Pos: %.6f %.6f" % (cpr_lat, cpr_lon)
|
|
|
|
#print "First argument is order %i, second %i" % ((evendata >> 34) & 1, (odddata >> 34) & 1,)
|
|
|
|
#evenencpos = [(evendata >> 17) & 0x1FFFF, evendata & 0x1FFFF]
|
|
#oddencpos = [(odddata >> 17) & 0x1FFFF, odddata & 0x1FFFF]
|
|
|
|
#[declat, declon] = cpr_decode_global(evenencpos, oddencpos, newer)
|
|
|
|
#print "Global latitude: %.6f\nGlobal longitude: %.6f" % (declat, declon,)
|