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amsat-gui-test.py
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#!/usr/bin/env python3
# Config parser for external config file
import configparser
# For bash calls
import sys
import os
# Time mangement
import datetime
import time
# Interface for pyepehm
import pysattracker.sattracker as sattracker
# JSON to process SatNogs transponder file
import json
# Communication with rtl-udp
import socket
import six
import struct
import signal
# Import external functions
from sdr_control import *
from freq_manager import *
from rig_manager import *
from sat_manager import *
### Load config file
config_file = configparser.ConfigParser(converters={'list': lambda x: [i.strip() for i in x.split(',')]})
config_file.sections()
try:
with open('amsat-gui.config') as f:
config_file.read_file(f)
except IOError:
print("Config file missing!")
exit()
if (config_file['UI']['qt_version'] == "6"):
# Import PyQt6 stuff
from PyQt6 import QtWidgets, uic, QtGui
from PyQt6.QtWidgets import *
from PyQt6.QtGui import *
from PyQt6.QtCore import Qt,QTimer,QDateTime,QObject, QThread, pyqtSignal, QProcess, QSize
from qt_material import apply_stylesheet
elif (config_file['UI']['qt_version'] == "5"):
# Import PyQt5 stuff
from PyQt5 import QtWidgets, uic, QtGui
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import Qt,QTimer,QDateTime,QObject, QThread, pyqtSignal, QProcess, QSize
from qt_material import apply_stylesheet
else:
print("Unsupported PyQt Version:" + (config_file['UI']['qt_version']) + " -> Use PyQt5 or PyQt6")
exit()
# import dependencies for pass plotter
import matplotlib
matplotlib.use('Qt5Agg')
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
from matplotlib.figure import Figure
import matplotlib.pyplot as plt
import numpy as np
from math import radians
### Catalog with Satellite Data
mySats = SatCatalog()
### frequency management
myFreqs = FreqManager()
### rig manager
myRig = RigManager()
# Communication with Rig
if (config_file['RIG_UPLINK']['enable_rig_uplink'] == "1" or config_file['RIG_DOWNLINK']['enable_rig_downlink'] == "1"):
import serial
import Hamlib
if (config_file['RIG_UPLINK']['enable_rig_uplink'] == "1"):
global tx_rig
if (config_file['RIG_UPLINK']['debug'] == "0"):
Hamlib.rig_set_debug(Hamlib.RIG_DEBUG_NONE)
else:
Hamlib.rig_set_debug(Hamlib.RIG_DEBUG_VERBOSE)
tx_rig = Hamlib.Rig(int(config_file['RIG_UPLINK']['rig_model']))
tx_rig.set_conf("rig_pathname", config_file['RIG_UPLINK']['rig_port'])
tx_rig.set_conf("retry", "5")
try:
tx_rig.open()
myRig.rig_uplink_connected = 1
except:
myrig.rig_uplink_connected = 0
if (config_file['RIG_DOWNLINK']['enable_rig_downlink'] == "1"):
global rx_rig
if (config_file['RIG_DOWNLINK']['debug'] == "0"):
Hamlib.rig_set_debug(Hamlib.RIG_DEBUG_NONE)
else:
Hamlib.rig_set_debug(Hamlib.RIG_DEBUG_VERBOSE)
rx_rig = Hamlib.Rig(int(config_file['RIG_DOWNLINK']['rig_model']))
rx_rig.set_conf("rig_pathname", config_file['RIG_DOWNLINK']['rig_port'])
rx_rig.set_conf("retry", "5")
try:
rx_rig.open()
myRig.rig_downlink_connected = 1
except:
myrig.rig_downlink_connected = 0
### Setup QTH and Satellite information
qth = (config_file['QTH']['latitude'],config_file['QTH']['longitude'],config_file['QTH']['elevation'])
wanted_sats = config_file['SATS'].getlist('sat_list')
### check if the system is a rpi ## needs to be fixed
is_rpi = 0
if (os.uname()[1] == 'raspberrypi'):
print("It's a PI")
import RPi.GPIO as GPIO
from rpi_rotary_encoder.encoder import Encoder
GPIO.setmode(GPIO.BCM)
is_rpi = 1
### which demodulator chain should be used?
demod_chain = config_file['SDR']['demod_chain'];
### Setting up pipe to control shift for csdr
csdr_shift_fifo_path = config_file['SDR']['demod_freq_shift_pipe'];
if(demod_chain == "0"):
try:
os.remove(csdr_shift_fifo_path)
except:
pass
time.sleep(1)
try:
os.mkfifo(csdr_shift_fifo_path)
except:
print("Error creating tuning FIFO, aborting...")
exit()
time.sleep(1)
try:
csdr_shift_fifo_file = os.open(csdr_shift_fifo_path, os.O_RDWR)
except:
print("Error opening FIFO, exiting...")
if(demod_chain != "-1"):
global s
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
nmux_proc = QProcess()
demod_proc = QProcess()
rtl_tcp_proc = QProcess()
sdr_demod_simple_proc = QProcess()
sdr_hybrid_iq_proc = QProcess()
sdr_hybrid_demod_proc = QProcess()
# split TLE into triple lists
def triple(l, n):
return [l[i:i+n] for i in range(0, len(l), n)]
### TLE file
tle_file = open(config_file['SAT_DATA']['tle_path'], 'r')
if tle_file == None:
print("TLE file missing")
exit()
tle_triple = triple(tle_file.readlines(), 3)
### TPX file from satnogs
tpx_file = open(config_file['SAT_DATA']['db_path'], 'r')
if tpx_file == None:
print("TPX file missing")
exit()
tpx_data = json.loads(tpx_file.read())
class uplink_tx(QObject):
def __init__(self):
super().__init__()
print("Uplink TX Init")
def run(self):
while 1:
diff = abs(int(myFreqs.current_rig_uplink*1e6)-int(myFreqs.old_rig_uplink*1e6))
if myRig.trigger_uplink_changed == 1 and diff >= int(config_file['RIG_UPLINK']['update_diff']) and int(myFreqs.current_rig_uplink) > 1:
myFreqs.old_rig_uplink = myFreqs.current_rig_uplink
tx_rig.set_freq(Hamlib.RIG_VFO_A,float(int(myFreqs.current_rig_uplink*1e6)))
myRig.trigger_uplink_changed = 0
time.sleep(int(config_file['RIG_UPLINK']['update_rate'])/1000)
class downlink_rx(QObject):
def __init__(self):
super().__init__()
print("Downlink RX Init")
def run(self):
while 1:
diff = abs(int(myFreqs.current_rig_downlink*1e6)-int(myFreqs.old_rig_downlink*1e6))
if myRig.trigger_uplink_changed == 1 and diff >= int(config_file['RIG_DOWNLINK']['update_diff']) and int(myFreqs.current_rig_downlink) > 1:
myFreqs.old_rig_downlink = myFreqs.current_rig_downlink
rx_rig.set_freq(Hamlib.RIG_VFO_A,float(int(myFreqs.current_rig_downlink*1e6)))
myRig.trigger_downlink_changed = 0
time.sleep(int(config_file['RIG_UPLINK']['update_rate'])/1000)
class sdr_rx(QObject):
def __init__(self):
super(sdr_rx, self).__init__()
print("initialising sdr...")
if(demod_chain == "0"):
rtl_tcp_proc.readyReadStandardOutput.connect(self.rtl_output)
nmux_proc.readyReadStandardOutput.connect(self.nmux_output)
demod_proc.readyReadStandardOutput.connect(self.demod_output)
rtl_tcp_proc.start(rtl_tcp_command)
time.sleep(1)
nmux_proc.start(iq_mux_command)
time.sleep(1)
demod_proc.start(csdr_lsb_command)
time.sleep(3)
elif(demod_chain == "1"):
print("Starting simple demod")
sdr_demod_simple_proc.readyReadStandardError.connect(self.simple_demod_stderr)
#sdr_demod_simple_proc.readyReadStandardOutput.connect(self.simple_demod_stdout)
sdr_demod_simple_proc.start(sdr_simple_command)
elif(demod_chain == "2"):
print("Starting hybrid demod")
sdr_hybrid_iq_proc.readyReadStandardError.connect(self.hybrid_iq_stderr)
sdr_hybrid_iq_proc.start(sdr_hybrid_iq)
sdr_hybrid_demod_proc.readyReadStandardError.connect(self.hybrid_demod_stderr)
sdr_hybrid_demod_proc.start(demod_command_list[myFreqs.current_demod])
def rtl_output(self):
data = rtl_tcp_proc.readAllStandardOutput()
stdout = bytes(data).decode("utf8")
print("RTL_TCP: " + stdout)
print("###")
def nmux_output(self):
data = nmux_proc.readAllStandardOutput()
stdout = bytes(data).decode("utf8")
print("NMUX: " + stdout)
print("###")
def demod_output(self):
data = demod_proc.readAllStandardOutput()
stdout = bytes(data).decode("utf8")
print("DEMOD: " + stdout)
print("###")
def simple_demod_stderr(self):
data = sdr_demod_simple_proc.readAllStandardError()
stdout = bytes(data).decode("utf8")
print("DEMOD: " + stdout)
def simple_demod_stdout(self):
data = sdr_demod_simple_proc.readAllStandardOutput()
stdout = bytes(data).decode("utf8")
print("DEMOD: " + stdout)
print("###")
def hybrid_iq_stderr(self):
data = sdr_hybrid_iq_proc.readAllStandardError()
stdout = bytes(data).decode("utf8")
print("DEMOD: " + stdout)
def hybrid_iq_stdout(self):
data = sdr_hybrid_iq_proc.readAllStandardOutput()
stdout = bytes(data).decode("utf8")
print("DEMOD: " + stdout)
print("###")
def hybrid_demod_stderr(self):
data = sdr_hybrid_demod_proc.readAllStandardError()
stdout = bytes(data).decode("utf8")
print("DEMOD: " + stdout)
def hybrid_demod_stdout(self):
data = sdr_hybrid_demod_proc.readAllStandardOutput()
stdout = bytes(data).decode("utf8")
print("DEMOD: " + stdout)
print("###")
def change_demod_hybrid():
print("Demod:" + str(myFreqs.current_demod))
sdr_hybrid_demod_proc.terminate()
sdr_hybrid_demod_proc.waitForFinished()
sdr_hybrid_demod_proc.start(demod_command_list[myFreqs.current_demod])
### runtime sanity check to be implemented
def run(self):
while 1:
#Here is a good place for YOUR error handling ^^
time.sleep(1)
class Ui(QtWidgets.QMainWindow):
def resizeEvent(self, event):
QtWidgets.QMainWindow.resizeEvent(self, event)
#self.polarplot_widget.resize((int(self.current_pass_tab.width()/2),self.current_pass_tab.height()-50))
self.polarplot_widget.setMaximumHeight(self.current_pass_tab.height())
self.polarplot_widget.setMaximumWidth(int(self.current_pass_tab.width()/2))
self.polarplot_widget.setMinimumHeight(self.current_pass_tab.height())
self.polarplot_widget.setMinimumWidth(int(self.current_pass_tab.width()/2))
### Update Ele/Azi labels
def update_sat_ele(self,text):
self.satellite_elevation.setText(text)
def update_sat_azi(self,text):
self.satellite_azimuth.setText(text)
# encoder callbacks
def valueChanged_VFO(self,value, direction):
myFreqs.current_tpx_offset = value *50
self.slider_tpx.setValue(myFreqs.current_tpx_offset)
self.update_rig_frequencies()
self.update_frequency_labels()
def valueChanged_RIT(self,value, direction):
myFreqs.rit = value*10
self.update_rig_frequencies()
self.update_frequency_labels()
pass
### Parsing staellites from TLE which are wanted into sat list
def get_satellites(self):
for sat in tle_triple:
if sat[0].replace('\n', "") in wanted_sats:
#print("Added satellite: " + sat[0].replace('\n', "") + " to database with catalog id: " + str(int(sat[1].replace('\n', "")[2:7])))
sat_tle_list = {"name":sat[0].replace('\n', ""), "tle1":sat[1].replace('\n', ""), "tle2":sat[2].replace('\n', "")}
mySats.tracker_list.append(sattracker.Tracker(sat_tle_list, groundstation=qth))
mySats.name_list.append(sat[0].replace('\n', ""))
mySats.id_list.append(int(sat[1].replace('\n', "")[2:7]))
### Get TPX for every Sat in list
def get_modes(self):
for index, tracker in enumerate(mySats.tracker_list):
query = list(filter(lambda x:x["norad_cat_id"]==mySats.id_list[index],tpx_data))
for i in range(0,len(query),1):
mySats.tpx_list[index].append([query[i]["description"]])
mySats.tpx_freq_list[index].append([query[i]["uplink_low"],query[i]["uplink_high"],query[i]["downlink_low"],query[i]["downlink_high"],query[i]["invert"]])
mySats.tpx_list.append([])
mySats.tpx_freq_list.append([])
### Updates sat selection box
def comboboxSAT_set_entries(self):
for index, tracker in enumerate(mySats.tracker_list):
#print("Added Sat to combo: " + mySats.name_list[index])
self.satellite_selector.addItem(mySats.name_list[index])
### adds modes to mode selection for selected sat
def comboboxMode_set_entries(self,index):
self.mode_selector.clear()
mySats.current_sat = index
#print("Current sat is: " + str(mySats.current_sat))
for mode in mySats.tpx_list[index]:
self.mode_selector.addItem(str("".join(mode)))
myFreqs.current_tpx = 0;
### Updates current tpx on selection
def update_selected_tpx(self,index):
myFreqs.current_tpx = index;
self.update_frequencies(index)
def update_selected_demod(self,index):
myFreqs.current_demod = index;
sdr_rx.change_demod_hybrid()
### get frequencies from tpx database and get tpx mode
def update_frequencies(self,index_tpx):
myFreqs.sat_uplink_low = (mySats.tpx_freq_list[mySats.current_sat][index_tpx])[0]
myFreqs.sat_uplink_high = (mySats.tpx_freq_list[mySats.current_sat][index_tpx])[1]
myFreqs.sat_downlink_low = (mySats.tpx_freq_list[mySats.current_sat][index_tpx])[2]
myFreqs.sat_downlink_high = (mySats.tpx_freq_list[mySats.current_sat][index_tpx])[3]
if((mySats.tpx_freq_list[mySats.current_sat][index_tpx])[4] == "False"):
# Non inverted tpx
myFreqs.current_tpx_inversion = 0;
else:
# Inverted TPX
myFreqs.current_tpx_inversion = 1;
if myFreqs.sat_uplink_high == None and myFreqs.sat_uplink_low != None:
# FM sat or simple up/down satellite
mySats.sat_is_linear = 0;
myFreqs.current_downlink = myFreqs.sat_downlink_low;
myFreqs.current_uplink = myFreqs.sat_uplink_low;
elif myFreqs.sat_uplink_high == None and myFreqs.sat_uplink_low == None:
# No uplink -> beacon / downlink only
myFreqs.current_downlink = myFreqs.sat_downlink_low;
myFreqs.current_uplink = 0;
else:
# TPX sat
mySats.sat_is_linear = 1;
myFreqs.current_downlink = (myFreqs.sat_downlink_high + myFreqs.sat_downlink_low)/2;
myFreqs.current_uplink = (myFreqs.sat_uplink_high + myFreqs.sat_uplink_low)/2;
# Update GUI after new selection
# manually triggerd here once just in case
self.update_doppler()
self.update_frequency_labels()
### update gui labels
def update_frequency_labels(self):
self.downlink_tpx.setText(str((myFreqs.current_downlink+ myFreqs.current_tpx_offset)/(1e6)) +" MHz")
self.doppler_up.setText("%+.0f Hz" % myFreqs.doppler_up)
self.doppler_down.setText("%+.0f Hz" % myFreqs.doppler_down)
self.satellite_elevation.setText("%+.1f°" % mySats.current_sat_ele)
self.satellite_azimuth.setText("%+.1f°" % mySats.current_sat_azi)
self.freqRIT.setText("%+.0f Hz" % myFreqs.rit)
self.freqDOWN_LCD.display("%.6f" % (((myFreqs.current_downlink + myFreqs.doppler_down)/(1e6)) + myFreqs.current_tpx_offset/(1e6)))
if(myFreqs.current_tpx_inversion == 1):
self.freqUP_LCD.display("%.6f" % (((myFreqs.current_uplink + myFreqs.doppler_up)/(1e6))- myFreqs.current_tpx_offset/(1e6)))
self.uplink_tpx.setText(str((myFreqs.current_uplink- myFreqs.current_tpx_offset)/(1e6)) + " MHz")
else:
self.freqUP_LCD.display("%.6f" % (((myFreqs.current_uplink + myFreqs.doppler_up)/(1e6))+ myFreqs.current_tpx_offset/(1e6)))
self.uplink_tpx.setText(str((myFreqs.current_uplink+ myFreqs.current_tpx_offset)/(1e6)) + " MHz")
### Calculate doppler values and sat position
def update_doppler(self):
#Update time and pos
mySats.tracker_list[mySats.current_sat].set_epoch(time.time())
mySats.current_sat_azi = mySats.tracker_list[mySats.current_sat].azimuth()
mySats.current_sat_ele = mySats.tracker_list[mySats.current_sat].elevation()
#Update frequencies
myFreqs.doppler_up = -mySats.tracker_list[mySats.current_sat].doppler(myFreqs.current_uplink)
myFreqs.doppler_down = mySats.tracker_list[mySats.current_sat].doppler(myFreqs.current_downlink)
self.update_frequency_labels()
self.update_rig_frequencies()
### TPX offset from slider
def update_tpx_offset(self, offset):
myFreqs.current_tpx_offset = offset
### Reset TPX offset
def reset_tpx_offset(self):
myFreqs.current_tpx_offset = 0
self.slider_tpx.setValue(0)
### Updates Rig frequencies and recalculaltes tune frequency for sdr
# frequency sanity check todo
def update_rig_frequencies(self):
myFreqs.current_rig_downlink = (((myFreqs.current_downlink + myFreqs.doppler_down)/(1e6)) + myFreqs.current_tpx_offset/(1e6))
if(myFreqs.current_tpx_inversion == 1):
myFreqs.current_rig_uplink = (((myFreqs.current_uplink + myFreqs.doppler_up)/(1e6))- myFreqs.current_tpx_offset/(1e6))
else:
myFreqs.current_rig_uplink = (((myFreqs.current_uplink + myFreqs.doppler_up)/(1e6))+ myFreqs.current_tpx_offset/(1e6))
if (myRig.rig_uplink_connected== 1):
myRig.trigger_uplink_changed = 1
if (myRig.rig_downlink_connected== 1):
myRig.trigger_downlink_changed = 1
if(demod_chain == "0"):
if (myFreqs.current_downlink < 28000000):
myFreqs.current_downlink = 28000000
# if rx is more than 1 MHz rom tune frequency, retune 500 kHz below rx
if(abs(myFreqs.current_downlink-myFreqs.sdr_pll_freq) > 100000.0):
myFreqs.sdr_pll_freq = myFreqs.current_downlink - 50000
cmd = struct.pack(">BI", 1, int(myFreqs.sdr_pll_freq))
nmux_proc.write(cmd)
myFreqs.sdr_shift = float(myFreqs.sdr_pll_freq - myFreqs.current_downlink)/myFreqs.sdr_samplerate
os.write(csdr_shift_fifo_file,str.encode("%+.6f\n" % myFreqs.sdr_shift))
elif(demod_chain == "1" or demod_chain == "2"):
try:
s.connect(("127.0.0.1", 6020))
update_freq_simple_demod(myFreqs.current_rig_downlink)
except:
pass
def update_tab_widget(self,index):
if(index == 1):
self.plot_graph()
def __init__(self):
super(Ui, self).__init__()
### Enable to remove frame
#self.setWindowFlag(Qt.FramelessWindowHint)
self.get_satellites()
self.get_modes()
uic.loadUi('AmsatGUI-small.ui', self)
self.label_DOWNLINK.setStyleSheet(''' font-size: 24px; ''')
self.label_UPLINK.setStyleSheet(''' font-size: 24px; ''')
self.label_RIT.setStyleSheet(''' font-size: 18px; ''')
self.freqRIT.setStyleSheet(''' font-size: 18px; ''')
self.label_tpx_lower_limit.setStyleSheet(''' font-size: 12px; ''')
self.label_tpx_upper_limit.setStyleSheet(''' font-size: 12px; ''')
self.label_tpx_mid.setStyleSheet(''' font-size: 12px; ''')
self.label_uplink_tpx.setStyleSheet(''' font-size: 20px; ''')
self.label_downlink_tpx.setStyleSheet(''' font-size: 20px; ''')
self.label_doppler_up.setStyleSheet(''' font-size: 20px; ''')
self.label_doppler_down.setStyleSheet(''' font-size: 20px; ''')
self.uplink_tpx.setStyleSheet(''' font-size: 20px; ''')
self.downlink_tpx.setStyleSheet(''' font-size: 20px; ''')
self.doppler_up.setStyleSheet(''' font-size: 20px; ''')
self.doppler_down.setStyleSheet(''' font-size: 20px; ''')
self.label_satellite.setStyleSheet(''' font-size: 22px; ''')
self.label_mode.setStyleSheet(''' font-size: 22px; ''')
self.label_demod.setStyleSheet(''' font-size: 22px; ''')
self.satellite_elevation.setStyleSheet(''' font-size: 22px; ''')
self.satellite_azimuth.setStyleSheet(''' font-size: 22px; ''')
self.label_azimuth.setStyleSheet(''' font-size: 22px; ''')
self.label_elevation.setStyleSheet(''' font-size: 22px; ''')
for d in demod_list:
self.demod_selector.addItem(d)
self.line_sep_1.setStyleSheet("background-color: #ff1744;");
self.line_sep_2.setStyleSheet("background-color: #ff1744;");
self.line_sep_3.setStyleSheet("background-color: #ff1744;");
self.line_sep_4.setStyleSheet("background-color: #ff1744;");
self.line_sep_5.setStyleSheet("background-color: #ff1744;");
self.pass_chart = plt.figure()
self.pass_chart.tight_layout()
self.polarplot_widget = FigureCanvasQTAgg(self.pass_chart)
self.polarplot_widget.setParent(self.current_pass_tab)
self.pushButton.clicked.connect(self.plot_graph)
self.tabWidget.setCurrentIndex(0)
self.comboboxSAT_set_entries()
self.comboboxMode_set_entries(0)
self.update_selected_tpx(0)
self.update_frequencies(0)
self.satellite_selector.currentIndexChanged.connect(self.comboboxMode_set_entries)
self.mode_selector.currentIndexChanged.connect(self.update_selected_tpx)
self.slider_tpx.valueChanged.connect(self.update_tpx_offset)
self.demod_selector.currentIndexChanged.connect(self.update_selected_demod)
self.tabWidget.currentChanged.connect(self.update_tab_widget)
if (is_rpi == 1):
enc_vfo = Encoder(16, 20, 21, self.valueChanged_VFO)
enc_rit = Encoder(26, 19, 13, self.valueChanged_RIT)
doppler_timer = QTimer(self)
doppler_timer.timeout.connect(self.update_doppler)
doppler_timer.start(500)
if (config_file['SDR']['demod_chain'] != "-1"):
sdr_rx_worker = sdr_rx()
sdr_rx_thread = QThread(parent=self)
sdr_rx_worker.moveToThread(sdr_rx_thread)
sdr_rx_thread.started.connect(sdr_rx_worker.run)
sdr_rx_thread.start()
if (config_file['RIG_UPLINK']['enable_rig_uplink'] == "1"):
uplink_tx_worker = uplink_tx()
uplink_thread = QThread(parent=self)
uplink_tx_worker.moveToThread(uplink_thread)
uplink_thread.started.connect(uplink_tx_worker.run)
uplink_thread.start()
if (config_file['RIG_DOWNLINK']['enable_rig_downlink'] == "1"):
downlink_rx_worker = downlink_rx()
downlink_thread = QThread(parent=self)
downlink_rx_worker.moveToThread(downlink_thread)
downlink_thread.started.connect(downlink_rx_worker.run)
downlink_thread.start()
self.show()
apply_stylesheet(app, theme='dark_red.xml')
def plot_graph(self):
azimuth, elevation = mySats.tracker_list[mySats.current_sat].next_pass_table(30)
azimuth = [radians(i) for i in azimuth]
self.pass_chart.clear()
ax = self.pass_chart.subplots(subplot_kw={'projection': 'polar'})
ax.plot(azimuth, elevation)
ax.grid(True)
ax.set_theta_direction(-1)
ax.set_theta_offset(np.pi/2)
ax.set_rlim(bottom=90, top=0)
self.pass_chart.tight_layout()
self.polarplot_widget.draw()
self.polarplot_widget.setMaximumHeight(self.current_pass_tab.height())
self.polarplot_widget.setMaximumWidth(int(self.current_pass_tab.width()/2))
self.polarplot_widget.setMinimumHeight(self.current_pass_tab.height())
self.polarplot_widget.setMinimumWidth(int(self.current_pass_tab.width()/2))
def application_exit_handler():
if (config_file['SDR']['demod_chain'] != "-1"):
os.kill(rtl_tcp_proc.processId(), signal.SIGKILL)
os.kill(demod_proc.processId(), signal.SIGKILL)
os.kill(nmux_proc.processId(), signal.SIGKILL)
os.kill(sdr_demod_simple_proc.processId(), signal.SIGKILL)
os.kill(sdr_hybrid_iq_proc.processId(), signal.SIGKILL)
os.kill(sdr_hybrid_demod_proc.processId(), signal.SIGKILL)
app = QtWidgets.QApplication(sys.argv)
app.aboutToQuit.connect(application_exit_handler)
window = Ui()
app.exec()