Add route.py, Update ADSB-Encoder.py

master
pynstrom 5 years ago
parent 0c21a41dde
commit 2bd07f7e3b

16
.gitignore vendored

@ -1,16 +0,0 @@
*.iq8s
*.pyc
*.log*
*.csv
# Keep the example CSV
!example.csv
# Don't include the generated CSV related files
generated/
allICAO.py
hackRFAllICAO.sh
allLat.py
hackRFAllLat.sh
allAlt.py
hackRFAllAlt.sh

@ -1,245 +1,157 @@
#!/usr/bin/env python3
#
from HackRF import HackRF
from PPM import PPM
from ModeS import ModeS
from sys import argv, exit
import argparse
import configparser
import logging
import logging.config
import os
import csv
###############################################################
# Copyright (C) 2017 Linar Yusupov
# This program 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 of the License, or
# (at your option) any later version.
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
###############################################################
# Further work on fork
# Copyright (C) 2017 David Robinson
def auto_int(x):
"""Parses HEX into for argParser"""
return int(x, 0)
def auto_bool(x):
if x.lower() in ('yes', 'true', 't', 'y', '1'):
return True
elif x.lower() in ('no', 'false', 'f', 'n', '0'):
return False
else:
raise argparse.ArgumentTypeError('Boolean value expected.')
def argParser():
description = 'This tool will generate ADS-B data in a form that a hackRF can broadcast. In addition to providing the information at the command the defaults can be changed in the config.cfg file and the the logging config changed in logging.cfg.'
parser = argparse.ArgumentParser(description=description)
parser.add_argument('-i', '--icao', action='store', type=auto_int, dest='icao', default=cfg.get('plane', 'icao'), help='The ICAO number for the plane in hex. Ensure the ICAO is prefixed with \'0x\' to ensure this is parsed as a hex number. This is 24 bits long. Default: %(default)s')
parser.add_argument('--lat', '--latitude', action='store', type=float, dest='latitude', default=cfg.getfloat('plane', 'latitude'), help='Latitude for the plane in decimal degrees. Default: %(default)s')
parser.add_argument('--lon', '--long', '--longitude', action='store', type=float, dest='longitude', default=cfg.getfloat('plane', 'longitude'), help='Longitude for the place in decimal degrees. Default: %(default)s')
parser.add_argument('-a', '--alt', '--altitude', action='store', type=float, dest='altitude', default=cfg.getfloat('plane', 'altitude'), help='Altitude in decimal feet. 12 bits. Default: %(default)s')
parser.add_argument('--ca', '--capability', action='store', type=int, dest='capability', default=cfg.getint('plane', 'capability'), help='The capability. (Think this is always 5 from ADS-B messages. More info would be appreciated). 5 indicates that the responder is capable of Communication A and B, and the plane is not on the ground. 3 bits. Default: %(default)s')
parser.add_argument('--tc', '--typecode', action='store', type=int, dest='typecode', default=cfg.getint('plane', 'typecode'), help='The type for the ADS-B message. 11 is an air position message. See https://adsb-decode-guide.readthedocs.io/en/latest/content/introduction.html#ads-b-message-types for more information. 5 bits. Default: %(default)s')
parser.add_argument('--ss', '--surveillancestatus', action='store', type=int, dest='surveillancestatus', default=cfg.getint('plane', 'surveillancestatus'), help='The surveillance status. (Think this is always 0 from ADS-B messages. More info would be appreciated). Default: %(default)s')
parser.add_argument('--nicsb', '--nicsupplementb', action='store', type=int, dest='nicsupplementb', default=cfg.getint('plane', 'nicsupplementb'), help='The NIC supplement-B.(Think this is always 0 from ADS-B messages. More info would be appreciated). Default: %(default)s')
parser.add_argument('--time', action='store', type=int, dest='time', default=cfg.getint('plane', 'time'), help='0 indicates the time is not synchronous with UTC. Default: %(default)s')
parser.add_argument('-s', '--surface', action='store', default=cfg.getboolean('plane', 'surface'), type=auto_bool, dest='surface', help='If the plane is on the ground or not. Default: %(default)s')
parser.add_argument('-o', '--out', '--output', action='store', type=str, default=cfg.get('general', 'outputfilename'), dest='outputfilename', help='The iq8s output filename. This is the file which you will feed into the hackRF. Default: %(default)s')
parser.add_argument('-r', '--repeats', action='store', dest='repeats', type=int, default=cfg.getint('general', 'repeats'), help='How many repeats of the data to perform. Default: %(default)s')
parser.add_argument('--csv', '--csvfile', '--in', '--input', action='store', type=str, default=cfg.get('general', 'csvfile'), dest='csvfile', help='Import a CSV file with the plane data in it. Default: %(default)s')
parser.add_argument('--intermessagegap', action='store', type=int, default=cfg.get('general', 'intermessagegap'), dest='intermessagegap', help='When repeating or reading a CSV the number of microseconds between messages. Default: %(default)s')
parser.add_argument('--realtime', action='store', default=cfg.getboolean('general', 'realtime'), type=auto_bool, dest='realtime', help='When running a CSV which has a timestamp column whether to run in realtime following the timestamp or if just follow intermessagegap. If realtime is set it will override intermessagegap. Default: %(default)s')
parser.add_argument('--callsign', action='store', default=cfg.get('plane', 'callsign'), type=str, dest='callsign', help='The callsign of the aircraft. Is a max of 8 characters. Default: %(default)s')
# TODO Make it so it can do a static checksum or one/two bit error
# TODO Velocity, Heading and vertical speed as argument
return parser.parse_args()
def singlePlane(arguments):
logger.info('Processing default and command line options for a single plane')
logger.info('Repeating the message %s times' % (arguments.repeats))
samples = bytearray()
for i in range(0, arguments.repeats):
modes = ModeS()
(df17_pos_even, df17_pos_odd) = modes.df17_pos_rep_encode(arguments.capability, arguments.icao, arguments.typecode, arguments.surveillancestatus, arguments.nicsupplementb, arguments.altitude, arguments.time, arguments.latitude, arguments.longitude, arguments.surface)
df17_velocity = modes.vel_heading_encode(arguments.capability, arguments.icao, 450, 200, -1000)
df17_callsign = modes.callsign_encode(arguments.capability, arguments.icao, arguments.callsign)
ppm = PPM()
df17_array_position = ppm.frame_1090es_ppm_modulate(df17_pos_even, df17_pos_odd)
df17_array_velocity = ppm.frame_1090es_ppm_modulate(df17_velocity, df17_velocity)
df17_array_callsign = ppm.frame_1090es_ppm_modulate(df17_callsign, df17_callsign)
hackrf = HackRF()
#Position
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_position)
samples = samples+samples_array
gap_array = ppm.addGap(arguments.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
#Velocity
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_velocity)
samples = samples+samples_array
gap_array = ppm.addGap(arguments.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
#Callsign
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_callsign)
samples = samples+samples_array
gap_array = ppm.addGap(arguments.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
return samples
def manyPlanes(arguments):
logger.info('Processing CSV file: %s' % (arguments.csvfile))
samples = bytearray()
logger.info('Repeating the message %s times' % (arguments.repeats))
prevtimestamp = 0
#TODO Callsign, speed, heading, vert speed in CSV
for i in range(0, arguments.repeats):
with open(arguments.csvfile, newline='') as csvfile:
reader = csv.DictReader(csvfile, delimiter=',')
for row in reader:
gap = arguments.intermessagegap
if not 'icao' in row.keys():
row['icao'] = arguments.icao
else:
row['icao'] = int(row['icao'], 0)
if not 'latitude' in row.keys():
row['latitude'] = arguments.latitude
else:
row['latitude'] = float(row['latitude'])
if not 'longitude' in row.keys():
row['longitude'] = arguments.longitude
else:
row['longitude'] = float(row['longitude'])
if not 'altitude' in row.keys():
row['altitude'] = arguments.altitude
else:
row['altitude'] = float(row['altitude'])
if not 'capability' in row.keys():
row['capability'] = arguments.capability
if not 'typecode' in row.keys():
row['typecode'] = arguments.typecode
if not 'surveillancestatus' in row.keys():
row['surveillancestatus'] = arguments.surveillancestatus
if not 'nicsupplementb' in row.keys():
row['nicsupplementb'] = arguments.nicsupplementb
if not 'time' in row.keys():
row['time'] = arguments.time
if not 'surface' in row.keys():
row['surface'] = arguments.surface
if 'timestamp' in row.keys():
if arguments.realtime:
gap = int(row['timestamp']) - prevtimestamp
gap = gap * 100000
prevtimestamp = int(row['timestamp'])
if not 'callsign' in row.keys():
row['callsign'] = arguments.callsign
logger.debug('Row from CSV: %s' % (row))
modes = ModeS()
(df17_pos_even, df17_pos_odd) = modes.df17_pos_rep_encode(row['capability'], row['icao'], row['typecode'], row['surveillancestatus'], row['nicsupplementb'], row['altitude'], row['time'], row['latitude'], row['longitude'], row['surface'])
df17_velocity = modes.vel_heading_encode(row['capability'], row['icao'], 450, 200, -1000)
df17_callsign = modes.callsign_encode(row['capability'], row['icao'], row['callsign'])
ppm = PPM()
df17_array_position = ppm.frame_1090es_ppm_modulate(df17_pos_even, df17_pos_odd)
df17_array_velocity = ppm.frame_1090es_ppm_modulate(df17_velocity, df17_velocity)
df17_array_callsign = ppm.frame_1090es_ppm_modulate(df17_callsign, df17_callsign)
hackrf = HackRF()
#Position
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_position)
samples = samples+samples_array
gap_array = ppm.addGap(arguments.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
#Velocity
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_velocity)
samples = samples+samples_array
gap_array = ppm.addGap(arguments.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
#Callsign
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_callsign)
samples = samples+samples_array
gap_array = ppm.addGap(arguments.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
return samples
def writeOutputFile(filename, data):
tmpfile = '%s.tmp'%(filename)
logger.info('Writing %s file'%(tmpfile))
SamplesFile = open(tmpfile, 'wb')
SamplesFile.write(data)
SamplesFile.close()
os.system('sync')
os.system('rm %s' % (filename))
logger.info('dd for file: %s' % (filename))
os.system("dd if=%s of=%s bs=4k seek=63 > /dev/null 2>&1" % (tmpfile, filename))
os.system('sync')
os.system('rm %s'%(tmpfile))
from getopt import getopt, GetoptError
import os,csv,sys
class ADSB_Encoder:
def _set_vars(self,alt,lat,lon,capability,imgap,nicsup,rp,gnd,sstat,tc,icao,callsign,time,filename,speed,vspeed,heading):
self.altitude = float(alt)
self.callsign = callsign
self.capability = capability
self.icao = int(icao,16)
self.intermessagegap = imgap
self.latitude = float(lat)
self.longitude = float(lon)
self.nicsupplementb = nicsup
self.outputfilename = filename
self.repeats = rp
self.surface = gnd
self.surveillancestatus = sstat
self.time = time
self.typecode = tc
self.speed = float(speed)*0.53996
self.vspeed = float(vspeed)
while heading < 0:heading = heading + 360
if 0 <= float(heading) <= 89:self.heading = float(heading) + 180
elif 90 <= float(heading) <= 179:self.heading = float(heading)
elif 180 <= float(heading) <= 269:self.heading = float(heading) - 180
elif 270 <= float(heading) <= 359:self.heading = float(heading)
else:
if __name__ == "__main__":usage("Invalid bearing.")
def encode(self):
samples = bytearray()
for i in range(0, self.repeats):
modes = ModeS()
(df17_pos_even, df17_pos_odd) = modes.df17_pos_rep_encode(self.capability, self.icao, self.typecode, \
self.surveillancestatus, self.nicsupplementb, self.altitude, self.time, self.latitude, \
self.longitude, self.surface)
df17_velocity = modes.vel_heading_encode(self.capability, self.icao, self.speed, self.heading, self.vspeed)
df17_callsign = modes.callsign_encode(self.capability, self.icao, self.callsign)
ppm = PPM()
df17_array_position = ppm.frame_1090es_ppm_modulate(df17_pos_even, df17_pos_odd)
df17_array_velocity = ppm.frame_1090es_ppm_modulate(df17_velocity, df17_velocity)
df17_array_callsign = ppm.frame_1090es_ppm_modulate(df17_callsign, df17_callsign)
hackrf = HackRF()
#Position
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_position)
samples = samples+samples_array
gap_array = ppm.addGap(self.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
#Velocity
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_velocity)
samples = samples+samples_array
gap_array = ppm.addGap(self.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
#Callsign
samples_array = hackrf.hackrf_raw_IQ_format(df17_array_callsign)
samples = samples+samples_array
gap_array = ppm.addGap(self.intermessagegap)
samples_array = hackrf.hackrf_raw_IQ_format(gap_array)
samples = samples+samples_array
return samples
def writeOutputFile(self, data):
tmpfile = '%s.tmp'%(self.outputfilename)
SamplesFile = open(tmpfile, 'wb')
SamplesFile.write(data)
SamplesFile.close()
os.system('sync')
os.system('rm -rf %s' % (self.outputfilename))
os.system("dd if=%s of=%s bs=4k seek=63 > /dev/null 2>&1" % (tmpfile, self.outputfilename))
os.system('sync')
os.system('rm %s'%(tmpfile))
def usage(msg=False):
if msg:print(msg)
print("Usage: %s [options]\n" % sys.argv[0])
print("-h | --help Display help message.")
print("-i | --icao <opt> Callsign in hex, Default:0x75008F")
print("--lat <opt> Latitude for the plane in decimal degrees..")
print("--long <opt> Longitude for the place in decimal degrees.")
print("-a | --altitude <opt> Altitude in decimal feet, Default:27000.0")
print("-s | --speed <opt> Airspeed in decimal kph, Default:300")
print("-v | --vspeed <opt> Vertical speed, Default:0")
print("-b | --bearing <opt> Bearing in decimal degrees. Default:0")
print("-c | --callsign <opt> Callsign (8 chars max), Default:pynny")
print("-t | --time <opt> 0 indicates time not synchronous with UTC, Default:0")
print("-r | --repeats <opt> Number of tx repeats, Default:1")
print("-o | --output <opt> iq8s output filename. Default:Samples_256K.iq8s")
print("--capability <opt> Capability, Default:5")
print("--typecode <opt> ADS-B message type, Default:11")
print("--sstatus <opt> Surveillance status, Default:0")
print("--nicsupplementb <opt> NIC supplement-B, Default:0")
print("--intermessagegap <opt> Delay between csv output(microSec), Default:99564")
print("--surface Aircraft located on ground, Default:False")
print("")
sys.exit(2)
def main():
global cfg
cfg = configparser.ConfigParser()
cfg.read('config.cfg')
arguments = argParser()
global logger
logging.config.fileConfig('logging.cfg')
logger = logging.getLogger(__name__)
logger.info('Starting ADSB Encoder')
logger.debug('The arguments: %s' % (arguments))
data = None
if arguments.csvfile == '':
data = singlePlane(arguments)
else:
data = manyPlanes(arguments)
writeOutputFile(arguments.outputfilename, data)
logger.info('Complete')
def threadingCSV(csv):
global cfg
cfg = configparser.ConfigParser()
cfg.read('config.cfg')
arguments = argParser()
arguments.csvfile = csv['csv']
arguments.outputfilename = csv['out']
global logger
logging.config.fileConfig('logging.cfg')
logger = logging.getLogger(__name__)
logger.info('Starting ADSB Encoder threadingCSV entry point')
logger.debug('Being called with the following CSV file: %s' % (arguments.csvfile))
logger.debug('The arguments: %s' % (arguments))
data = None
if arguments.csvfile == '':
data = singlePlane(arguments)
else:
data = manyPlanes(arguments)
writeOutputFile(arguments.outputfilename, data)
logger.info('Complete')
alt,lat,lon,capability,imgap,nicsup,rp,gnd,sstat,tc,icao,callsign,time,filename,speed,vspeed,heading = \
27000,38.919909,-75.5884171,5,99564,0,1,False,0,11,'0x75008F','pynny',0,'Samples_256K.iq8s',300,0,0
try:
(opts, args) = getopt(sys.argv[1:], 'hi:a:s:v:b:c:t:r:o:', \
['help','icao=','lat=','long=','altitude=','speed=','vspeed=','bearing=','callsign=',
'time=','repeats=','output=','surface','capability=','typecode=','sstatus=',
'nicsupplementb=','intermessagegap='])
except GetoptError as err:
usage("%s\n" % err)
if len(opts) != 0:
for (opt, arg) in opts:
if opt in ('-h', '--help'):usage()
elif opt in ('-a', '--altitude'):alt = arg
elif opt in ('--lat'):lat = arg
elif opt in ('--long'):lon = arg
elif opt in ('-i', '--icao'):icao = arg
elif opt in ('-s', '--speed'):speed = arg
elif opt in ('-v', '--vspeed'):vspeed = arg
elif opt in ('-b', '--bearing'):heading = arg
elif opt in ('-c', '--callsign'):callsign = arg
elif opt in ('-t', '--time'):time = arg
elif opt in ('-r', '--repeats'):repeats = arg
elif opt in ('-o', '--output'):filename = arg
elif opt in ('--capability'):capability = arg
elif opt in ('--typecode'):tc = arg
elif opt in ('--sstatus'):sstat = arg
elif opt in ('--nicsupplementb'):nicsup = arg
elif opt in ('--intermessagegap'):imgap = arg
elif opt in ('--surface'):gnd = True
else:usage("Unknown option %s\n" % opt)
encoder = ADSB_Encoder()
encoder._set_vars(alt,lat,lon,capability,imgap,nicsup,rp,gnd,sstat,tc,icao,callsign,time,filename,speed,vspeed,heading)
#attrs = vars(encoder)
#print(', '.join("%s: %s" % item for item in attrs.items()))
data = encoder.encode()
encoder.writeOutputFile(data)
if __name__ == "__main__":
main()
main()

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#!/usr/bin/env python3
import sys, os
from getopt import getopt, GetoptError
from math import radians, sin, cos, sqrt, atan2, degrees, floor
from ADSB_Encoder import ADSB_Encoder
from HackRF import HackRF
from PPM import PPM
from ModeS import ModeS
def usage(msg=False):
if msg:print(msg)
print("Usage: %s [options]\n" % sys.argv[0])
print("-h | --help Display help message.")
print("-v | --verbose Show output messages.")
print("-s | --start Starting point (lat,long).")
print("-e | --end Finish point (lat,long).")
print("-i | --icao callsign in hex, Default:0x75008F")
print("-a | --altitude Starting altitude, Default:27000")
print("-f | --final_alt Final altitude, Default:altitude")
print("-p | --speed Airspeed in kph, Default:300")
print("-r | --resolution km(s) between transmissions, Default: 1")
print("-n | --name Unique name for file creation, Default:myRoute")
print("-c | --callsign Callsign, Default: pynny")
print("")
sys.exit(2)
def verify_coordinate(point):
if len(point) != 2:
usage("Point %s is incorrect length!" % str(point))
lat, lon = float(point[0]), float(point[1])
if -90 <= lat <= 90 and -180 <= lon <= 180:
return (lat,lon)
elif -90 <= lon <= 90 and -180 <= lat <= 180:
usage("Point %s is probably reversed!" % str(point))
else:
usage("Point %s Cannot be interpreted!" % str(point))
def get_distance(start_point, end_point, R=6371.0088):
lat1, lon1 = start_point
lat2, lon2 = end_point
dlat = radians(lat2-lat1)
dlon = radians(lon2-lon1)
a = sin(dlat/2) * sin(dlat/2) + cos(radians(lat1)) * cos(radians(lat2)) * sin(dlon/2) * sin(dlon/2)
c = 2 * atan2(sqrt(a), sqrt(1-a))
return R * c
def intermediate_point(p1, p2, f=0.5):
R = 6371008.8
lat1, lon1 = radians(p1[0]), radians(p1[1])
lat2, lon2 = radians(p2[0]), radians(p2[1])
d = get_distance(p1, p2) / R
a = sin((1 - f) * d) / sin(d)
b = sin(f * d) / sin(d)
x = a * cos(lat1) * cos(lon1) + b * cos(lat2) * cos(lon2)
y = a * cos(lat1) * sin(lon1) + b * cos(lat2) * sin(lon2)
z = a * sin(lat1) + b * sin(lat2)
lat3 = degrees(atan2(z, sqrt(x * x + y * y)))
lon3 = degrees(atan2(y, x))
return (lat3, lon3)
def init_bearing(p1, p2):
lat1, lon1 = radians(p1[0]), radians(p1[1])
lat2, lon2 = radians(p2[0]), radians(p2[1])
x = cos(lat1) * sin(lat2) - sin(lat1) * cos(lat2) * cos(lon2 - lon1)
y = sin(lon2 - lon1) * cos(lat2)
course = atan2(y, x)
return degrees(course)
def final_bearing(p1, p2):
return (init_bearing(p2, p1) + 180) % 360
def main(argv=None):
start,end,icao,alt,speed,name,resolution,falt,callsign,verbose = False,False,False,False,False,False,False,False,False,False
try:
(opts, args) = getopt(sys.argv[1:], 'hvs:e:i:a:p:n:r:f:c:', \
['help','verbose','start=','end=','icao=','altitude=','speed=','name=','resolution=','final_alt=','callsign='])
except GetoptError as err:
usage("%s\n" % err)
if len(opts) != 0:
for (opt, arg) in opts:
if opt in ('-h', '--help'):
usage()
elif opt in ('-v', '--verbose'):
verbose = True
elif opt in ('-s', '--start'):
start = arg
elif opt in ('-e', '--end'):
end = arg
elif opt in ('-i', '--icao'):
icao = arg
elif opt in ('-a', '--altitude'):
alt = float(arg)
elif opt in ('-f', '--final_alt'):
falt = float(arg)
elif opt in ('-p', '--speed'):
speed = arg
elif opt in ('-n', '--name'):
name = arg
elif opt in ('-c', '--callsign'):
callsign = arg
elif opt in ('-r', '--resolution'):
resolution = float(arg)
else:
usage("Unknown option %s\n" % opt)
else:
usage()
if not name:name = 'myRoute'
if not icao:icao = '0x75008F'
if not alt:alt = 27000
if not start:usage("Starting point required.")
if not end:usage("Finish point required.")
if not resolution:resolution = 1
if not falt:falt = alt
if not callsign:callsign = 'pynny'
if not speed:speed = 300
sCrd = verify_coordinate((start.split(',')[0],start.split(',')[1]))
eCrd = verify_coordinate((end.split(',')[0],end.split(',')[1]))
distance = get_distance(sCrd,eCrd)
div = 1 / floor(distance/resolution)
if os.path.isdir(name):usage("Route directory '%s' already exists" % name)
os.mkdir(name)
file = open("%s/tx_samples.py"%name,"w+")
baseCmd1,baseCmd2 = "hackrf_transfer -t "," -f 1090000000 -s 2000000 -x 20"
file.write("#!/usr/bin/env python3\n\r")
file.write("from os import system\n\r")
file.write("import threading, time\n\n\r")
i, mark = 0, floor(distance/resolution)
interval = floor(((distance / mark) * 3600000) / float(speed))
file.write("tx_interval = %s\n\n\r"%interval)
file.write("def txCmd(name):\n\r")
file.write("\tsystem(\"%s\"+name+\"%s\")\n\r"%(baseCmd1,baseCmd2))
file.write("\t#print(\"%s\"+name+\"%s\")\n\n\r"%(baseCmd1,baseCmd2))
file.write("smpFiles = (")
coords = []
while i < mark:
curLocation = intermediate_point(sCrd,eCrd,((1 / mark) * i))
curAltitude = int(alt + ((falt - alt) * ((1 / mark) * i)))
filename = "%s_sample_%s.iq8s" % (name, i)
command = "ADSB_Encoder.py --lat %s --lon %s -a %s -r 2 --callsign %s -i %s -o %s/%s" % \
(curLocation[0],curLocation[1],curAltitude,callsign,icao,name,filename)
coords.append([curLocation[0],curLocation[1],curAltitude,filename])
file.write("'%s'"%filename)
i+=1
if i < mark:file.write(",")
file.write(")\n\n\r")
file.write("ticker = threading.Event()\n\r")
file.write("cur = 1\n\r")
file.write("txCmd(smpFiles[0])\n\r")
file.write("while not ticker.wait(float(tx_interval/1000)):\n\r")
file.write("\ttxCmd(smpFiles[cur])\n\r")
file.write("\tcur +=1\n\r")
file.write("\tif cur == len(smpFiles):break\n\n\r")
file.close()
os.chmod("%s/tx_samples.py"%name,0o755)
print("Transmit script written %s/tx_samples.py"%name)
encoder = ADSB_Encoder()
for i,coord in enumerate(coords):
if i == (len(coords) - 1):coords[i].append(round(final_bearing((coords[i-1][0],coords[i-1][1]),(coord[0],coord[1]))))
else:coords[i].append(round(init_bearing((coord[0],coord[1]),(coords[i+1][0],coords[i+1][1]))))
curName = "%s/%s" % (name,coord[3])
encoder._set_vars(coord[2],coord[0],coord[1],5,99564,0,2,False,0,11,icao,callsign,0,curName,speed,0,coord[4])
print("Encoding %s of %s" % (i+1, len(coords)))
data = encoder.encode()
print("Writing %s/%s" % (name,coord[3]))
encoder.writeOutputFile(data)
if __name__ == "__main__":
main()
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