371 lines
14 KiB
Python
Executable File
371 lines
14 KiB
Python
Executable File
#!/usr/bin/python
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import os, sys, time, threading
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from PyQt4 import QtCore,QtGui
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from gnuradio import gr, gru, optfir, eng_notation, blks2
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import gnuradio.gr.gr_threading as _threading
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import air_modes
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from air_modes.modes_exceptions import *
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from air_modes.modes_rx_ui import Ui_MainWindow
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import csv
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import sqlite3
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class mainwindow(QtGui.QMainWindow):
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def __init__(self):
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QtGui.QMainWindow.__init__(self)
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self.ui = Ui_MainWindow()
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self.ui.setupUi(self)
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#set defaults
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#add file, RTL, UHD sources
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self.ui.combo_source.addItems(["UHD device", "RTL-SDR", "File"])
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self.ui.combo_source.setCurrentIndex(0)
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#populate antenna, rate combo boxes based on source
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self.populate_source_options()
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#should round to actual achieved gain
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self.ui.line_gain.insert("30")
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#default to 3dB
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self.ui.line_threshold.insert("3")
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self.ui.combo_ant.setCurrentIndex(self.ui.combo_ant.findText("RX2"))
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#check KML by default, leave the rest unchecked.
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self.ui.check_sbs1.setCheckState(QtCore.Qt.Unchecked)
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self.ui.check_raw.setCheckState(QtCore.Qt.Unchecked)
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self.ui.check_fgfs.setCheckState(QtCore.Qt.Unchecked)
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self.ui.check_kml.setCheckState(QtCore.Qt.Checked)
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self.ui.line_sbs1port.insert("30003")
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self.ui.line_rawport.insert("9988")
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self.ui.line_fgfsport.insert("5500")
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self.ui.line_kmlfilename.insert("modes.kml")
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#disable by default
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self.ui.check_adsbonly.setCheckState(QtCore.Qt.Unchecked)
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self.queue = gr.msg_queue(10)
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self.runner = None
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self.fg = None
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self.outputs = []
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self.updates = []
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self.output_handler = None
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self.kmlgen = None #necessary bc we stop its thread in shutdown
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self.dbinput = None
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self.dbname = 'air_modes.db'
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self.datamodel = modes_datamodel(self.dbname)
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self.ui.list_aircraft.setModel(self.datamodel)
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self.ui.list_aircraft.show() #TODO remove
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#goes and gets valid antenna, sample rate options from the device and grays out appropriate things
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def populate_source_options(self):
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sourceid = self.ui.combo_source.currentText()
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self.rates = []
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self.ratetext = []
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self.antennas = []
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if sourceid == "UHD device":
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try:
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from gnuradio import uhd
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self.src = uhd.single_usrp_source("", uhd.io_type_t.COMPLEX_FLOAT32, 1)
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self.rates = [rate.start() for rate in self.src.get_samp_rates()]
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self.antennas = self.src.get_antennas()
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self.src = None #deconstruct UHD source for now
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self.ui.combo_ant.setEnabled(True)
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self.ui.combo_rate.setEnabled(True)
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self.ui.stack_source.setCurrentIndex(0)
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except:
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self.rates = []
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self.antennas = []
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self.ui.combo_ant.setEnabled(False)
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self.ui.combo_rate.setEnabled(False)
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self.ui.stack_source.setCurrentIndex(0)
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elif sourceid == "RTL-SDR":
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self.rates = [2.4e6]
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self.antennas = ["RX"]
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self.ui.combo_ant.setEnabled(False)
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self.ui.combo_rate.setEnabled(False)
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self.ui.stack_source.setCurrentIndex(0)
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elif sourceid == "File":
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self.rates = [2e6, 4e6, 6e6, 8e6, 10e6]
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self.antennas = ["None"]
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self.ui.combo_ant.setEnabled(False)
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self.ui.combo_rate.setEnabled(True)
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self.ui.stack_source.setCurrentIndex(1)
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self.ui.combo_rate.clear()
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self.ratetext = ["%.3f" % (rate / 1.e6) for rate in self.rates]
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for rate, text in zip(self.rates, self.ratetext):
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self.ui.combo_rate.addItem(text, rate)
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self.ui.combo_ant.clear()
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self.ui.combo_ant.addItems(self.antennas)
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if 4e6 in self.rates:
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self.ui.combo_rate.setCurrentIndex(self.rates.index(4e6))
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def on_combo_source_currentIndexChanged(self, index):
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self.populate_source_options()
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def on_button_start_released(self):
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#if we're already running, kill it!
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if self.runner is not None:
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self.output_handler.done = True
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self.output_handler = None
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self.outputs = []
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self.updates = []
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self.fg.stop()
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self.runner = None
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self.fg = None
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if self.kmlgen is not None:
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self.kmlgen.done = True
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#TODO FIXME need a way to kill kmlgen safely without delay
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#self.kmlgen.join()
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#self.kmlgen = None
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if self.dbinput is not None: self.dbinput.close()
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self.dbinput = None
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self.ui.button_start.setText("Start")
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else: #we aren't already running, let's get this party started
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options = {}
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options["source"] = str(self.ui.combo_source.currentText())
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options["rate"] = int(self.ui.combo_rate.currentIndex())
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options["antenna"] = str(self.ui.combo_ant.currentText())
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options["gain"] = float(self.ui.line_gain.text())
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options["threshold"] = float(self.ui.line_threshold.text())
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options["filename"] = str(self.ui.line_inputfile.text())
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self.fg = adsb_rx_block(options, self.queue) #create top RX block
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self.runner = top_block_runner(self.fg) #spawn new thread to do RX
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try:
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my_position = [float(self.ui.line_my_lat.text()), float(self.ui.line_my_lon.text())]
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except:
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my_position = None
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self.outputs = []
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self.updates = []
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#output options to populate outputs, updates
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if self.ui.check_kml.checkState():
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#we spawn a thread to run every 30 seconds (or whatever) to generate KML
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self.kmlgen = air_modes.modes_kml(self.ui.line_kmlfilename.text(), self.dbname, my_position) #create a KML generating thread
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if self.ui.check_sbs1.checkState():
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sbs1port = int(self.ui.line_sbs1port.text())
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sbs1out = air_modes.modes_output_sbs1(my_position, sbs1port)
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self.outputs.append(sbs1out.output)
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self.updates.append(sbs1out.add_pending_conns)
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if self.ui.check_fgfs.checkState():
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fghost = "127.0.0.1" #TODO FIXME
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fgport = self.ui.line_fgfsport.currentText()
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fgout = air_modes.modes_flightgear(my_position, fghost, int(fgport))
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self.outputs.append(fgout.output)
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if self.ui.check_raw.checkState():
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rawport = air_modes.modes_raw_server(int(self.ui.line_raw.text()))
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self.outputs.append(rawport.output)
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self.updates.append(rawport.add_pending_conns)
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self.livedata = air_modes.modes_output_print(my_position)
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#add output for live data box
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self.outputs.append(self.output_live_data)
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#create SQL database for KML and dashboard displays
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self.dbwriter = air_modes.modes_output_sql(my_position, self.dbname)
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self.outputs.append(self.dbwriter.output) #now the db will update itself
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#create output handler thread
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self.output_handler = output_handler(self.outputs, self.updates, self.queue)
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self.ui.button_start.setText("Stop")
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def output_live_data(self, msg):
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msgstr = self.livedata.parse(msg)
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if msgstr is not None:
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self.ui.text_livedata.append(msgstr)
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self.ui.text_livedata.verticalScrollBar().setSliderPosition(self.ui.text_livedata.verticalScrollBar().maximum())
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#refresh dashboard display with info from clicked aircraft.
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#this can either be on-click (hence the name for auto slot) or
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#due to a database update.
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def on_list_aircraft_clicked(self, index):
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icao = long(str(index.data().toString()), 16)
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self.db = sqlite3.connect(self.dbname)
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#get ident
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q = "select ident from ident where icao=%i" % icao
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cursor = self.db.cursor()
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cursor.execute(q)
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ident = cursor.fetchall()
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self.ui.line_ident.clear()
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if len(ident) > 0:
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self.ui.line_ident.insert(ident[-1][0])
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#get vector info
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q = "select seen, speed, heading, vertical from vectors where icao=%i order by seen desc limit 1" % icao
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cursor.execute(q)
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r = cursor.fetchall()
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speed = "-"
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vs = "-"
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heading = 0
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seen = time.time()
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if len(r) != 0:
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seen = r[0][0]
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speed = "%i" % r[0][1]
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heading = r[0][2]
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vs = "%i" % r[0][3]
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self.ui.line_speed.clear()
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self.ui.line_climb.clear()
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self.ui.line_speed.insert(speed)
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self.ui.line_climb.insert(vs)
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#eventually: set up a QTimer or whatever and have it self-update and emit dataChanged()
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#better yet just have the SQL interface yell and say hey that line changed.
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#on selected aircraft or on update for visible aircraft, emit signal to update current dashboard display.
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#maybe the datamodel should be responsible for inserting data into the SQL db as well, making this the
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#main interface. this could subclass modes_sql for insert functionality. then you get the ability to
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#invalidate on update.
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class modes_datamodel(QtCore.QAbstractListModel):
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def __init__(self, dbname):
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QtCore.QAbstractListModel.__init__(self)
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self.db = sqlite3.connect(dbname)
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def rowCount(self, parent=QtCore.QModelIndex()):
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icaoquery = "select count(distinct icao) from positions"
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cursor = self.db.cursor()
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cursor.execute(icaoquery)
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icaolist = cursor.fetchall()
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cursor.close()
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return icaolist[0][0]
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def data(self, index, role=QtCore.Qt.DisplayRole):
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if not index.isValid():
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return QtCore.QVariant()
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if index.row() >= self.rowCount():
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return QtCore.QVariant()
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if role != QtCore.Qt.DisplayRole:
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return QtCore.QVariant()
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#TODO eventually find a way to populate the ICAOs with fading according to age
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icaoquery = "select distinct icao from positions order by icao"
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cursor = self.db.cursor()
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cursor.execute(icaoquery)
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icaolist = cursor.fetchall()
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cursor.close()
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return "%06x" % icaolist[index.row()][0]
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class output_handler(threading.Thread):
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def __init__(self, outputs, updates, queue):
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threading.Thread.__init__(self)
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self.setDaemon(1)
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self.outputs = outputs
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self.updates = updates
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self.queue = queue
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self.done = False
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self.start()
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def run(self):
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while self.done is False:
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for update in self.updates:
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update()
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if not self.queue.empty_p():
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msg = self.queue.delete_head()
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for output in self.outputs:
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try:
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output(msg.to_string())
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except ADSBError:
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pass
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time.sleep(0.1)
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self.done = True
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self.outputs = None
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self.updates = None
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self.queue = None
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class top_block_runner(_threading.Thread):
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def __init__(self, tb):
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_threading.Thread.__init__(self)
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self.setDaemon(1)
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self.tb = tb
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self.done = False
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self.start()
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def run(self):
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self.tb.run()
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self.done = True
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#Top block for ADSB receiver. If you define a standard interface you
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#can make this common code between the GUI app and the cmdline app
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class adsb_rx_block (gr.top_block):
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def __init__(self, options, queue):
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gr.top_block.__init__(self)
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self.options = options
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rate = options["rate"]
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use_resampler = False
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freq = 1090e6
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if options["source"] == "UHD device":
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from gnuradio import uhd
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self.u = uhd.single_usrp_source("", uhd.io_type_t.COMPLEX_FLOAT32, 1)
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time_spec = uhd.time_spec(0.0)
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self.u.set_time_now(time_spec)
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self.u.set_antenna(options["antenna"])
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self.u.set_samp_rate(rate)
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rate = self.u.get_samp_rate()
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self.u.set_gain(int(options["gain"]))
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self.u.set_center_freq(freq, 0)
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elif options["source"] == "RTL-SDR":
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import osmosdr
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self.u = osmosdr.source_c()
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self.u.set_sample_rate(2.4e6) #fixed for RTL dongles
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rate = int(4e6)
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self.u.set_gain_mode(0) #manual gain mode
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self.u.set_gain(int(options["gain"]))
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self.u.set_center_freq(freq, 0)
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use_resampler = True
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elif options["source"] == "File":
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self.u = gr.file_source(gr.sizeof_gr_complex, options["filename"])
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else:
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raise NotImplementedError
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self.demod = gr.complex_to_mag()
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self.avg = gr.moving_average_ff(100, 1.0/100, 400)
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self.preamble = air_modes.modes_preamble(int(rate), float(options["threshold"]))
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self.slicer = air_modes.modes_slicer(int(rate), queue)
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if use_resampler:
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self.lpfiltcoeffs = gr.firdes.low_pass(1, 5*2.4e6, 1.2e6, 300e3)
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self.resample = blks2.rational_resampler_ccf(interpolation=5, decimation=3, taps=self.lpfiltcoeffs)
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self.connect(self.u, self.resample, self.demod)
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else:
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self.connect(self.u, self.demod)
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self.connect(self.demod, self.avg)
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self.connect(self.demod, (self.preamble, 0))
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self.connect(self.avg, (self.preamble, 1))
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self.connect(self.preamble, self.slicer)
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if __name__ == '__main__':
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app = QtGui.QApplication(sys.argv)
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window = mainwindow()
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window.setWindowTitle("Mode S/ADS-B receiver")
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window.show()
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sys.exit(app.exec_())
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