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aausat_4.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: AAUSAT-4 decoder
# Author: Daniel Estevez
# Description: AAUSAT-4 decoder
# Generated: Mon Jan 23 17:28:03 2017
##################################################
import os
import sys
sys.path.append(os.environ.get('GRC_HIER_PATH', os.path.expanduser('~/.grc_gnuradio')))
from gnuradio import blocks
from gnuradio import digital
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from optparse import OptionParser
from sync_to_pdu_packed import sync_to_pdu_packed # grc-generated hier_block
import aausat
import sids
class aausat_4(gr.top_block):
def __init__(self, callsign='', invert=1, ip='::', latitude=0, longitude=0, port=7355, recstart=''):
gr.top_block.__init__(self, "AAUSAT-4 decoder")
##################################################
# Parameters
##################################################
self.callsign = callsign
self.invert = invert
self.ip = ip
self.latitude = latitude
self.longitude = longitude
self.port = port
self.recstart = recstart
##################################################
# Variables
##################################################
self.threshold = threshold = 8
self.access_code = access_code = "010011110101101000110100010000110101010101000010"
##################################################
# Blocks
##################################################
self.sync_to_pdu_packed_0_0 = sync_to_pdu_packed(
packlen=251,
sync=access_code,
threshold=threshold,
)
self.sync_to_pdu_packed_0 = sync_to_pdu_packed(
packlen=251,
sync=access_code,
threshold=threshold,
)
self.sids_submit_0 = sids.submit('http://tlm.pe0sat.nl/tlmdb/frame_db.php', 41460, callsign, longitude, latitude, recstart)
self.sids_print_timestamp_0 = sids.print_timestamp('%Y-%m-%d %H:%M:%S')
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(5.0, 0.25*0.175*0.175, 0.005, 0.175, 0.005)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(20.0, 0.25*0.175*0.175, 0.005, 0.175, 0.005)
self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_udp_source_0 = blocks.udp_source(gr.sizeof_short*1, ip, port, 1472, False)
self.blocks_short_to_float_0 = blocks.short_to_float(1, 32767.0)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((invert*10, ))
self.aausat_aausat4_fec_0 = aausat.aausat4_fec(False)
self.aausat_aausat4_beacon_parser_0 = aausat.aausat4_beacon_parser()
##################################################
# Connections
##################################################
self.msg_connect((self.aausat_aausat4_fec_0, 'out'), (self.sids_print_timestamp_0, 'in'))
self.msg_connect((self.aausat_aausat4_fec_0, 'out'), (self.sids_submit_0, 'in'))
self.msg_connect((self.sids_print_timestamp_0, 'out'), (self.aausat_aausat4_beacon_parser_0, 'in'))
self.msg_connect((self.sync_to_pdu_packed_0, 'out'), (self.aausat_aausat4_fec_0, 'in'))
self.msg_connect((self.sync_to_pdu_packed_0_0, 'out'), (self.aausat_aausat4_fec_0, 'in'))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0))
self.connect((self.blocks_short_to_float_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_udp_source_0, 0), (self.blocks_short_to_float_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.sync_to_pdu_packed_0, 0))
self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.sync_to_pdu_packed_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0), (self.digital_binary_slicer_fb_0_0, 0))
def get_callsign(self):
return self.callsign
def set_callsign(self, callsign):
self.callsign = callsign
def get_invert(self):
return self.invert
def set_invert(self, invert):
self.invert = invert
self.blocks_multiply_const_vxx_0.set_k((self.invert*10, ))
def get_ip(self):
return self.ip
def set_ip(self, ip):
self.ip = ip
def get_latitude(self):
return self.latitude
def set_latitude(self, latitude):
self.latitude = latitude
def get_longitude(self):
return self.longitude
def set_longitude(self, longitude):
self.longitude = longitude
def get_port(self):
return self.port
def set_port(self, port):
self.port = port
def get_recstart(self):
return self.recstart
def set_recstart(self, recstart):
self.recstart = recstart
def get_threshold(self):
return self.threshold
def set_threshold(self, threshold):
self.threshold = threshold
self.sync_to_pdu_packed_0_0.set_threshold(self.threshold)
self.sync_to_pdu_packed_0.set_threshold(self.threshold)
def get_access_code(self):
return self.access_code
def set_access_code(self, access_code):
self.access_code = access_code
self.sync_to_pdu_packed_0_0.set_sync(self.access_code)
self.sync_to_pdu_packed_0.set_sync(self.access_code)
def argument_parser():
description = 'AAUSAT-4 decoder'
parser = OptionParser(usage="%prog: [options]", option_class=eng_option, description=description)
parser.add_option(
"", "--callsign", dest="callsign", type="string", default='',
help="Set your callsign [default=%default]")
parser.add_option(
"-i", "--invert", dest="invert", type="intx", default=1,
help="Set invert the waveform (-1 to invert) [default=%default]")
parser.add_option(
"", "--ip", dest="ip", type="string", default='::',
help="Set UDP listen IP [default=%default]")
parser.add_option(
"", "--latitude", dest="latitude", type="eng_float", default=eng_notation.num_to_str(0),
help="Set latitude (format 00.000 or -00.000) [default=%default]")
parser.add_option(
"", "--longitude", dest="longitude", type="eng_float", default=eng_notation.num_to_str(0),
help="Set longitude (format 00.000 or -00.000) [default=%default]")
parser.add_option(
"", "--port", dest="port", type="intx", default=7355,
help="Set UDP port [default=%default]")
parser.add_option(
"", "--recstart", dest="recstart", type="string", default='',
help="Set start of recording, if processing a recording (format YYYY-MM-DD HH:MM:SS) [default=%default]")
return parser
def main(top_block_cls=aausat_4, options=None):
if options is None:
options, _ = argument_parser().parse_args()
tb = top_block_cls(callsign=options.callsign, invert=options.invert, ip=options.ip, latitude=options.latitude, longitude=options.longitude, port=options.port, recstart=options.recstart)
tb.start()
tb.wait()
if __name__ == '__main__':
main()