forked from proto17/HelicopterDemod
/
helo_demod.py
executable file
·383 lines (327 loc) · 15.3 KB
/
helo_demod.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: Not titled yet
# Author: Proto
# GNU Radio version: 3.8.0.0
from distutils.version import StrictVersion
if __name__ == '__main__':
import ctypes
import sys
if sys.platform.startswith('linux'):
try:
x11 = ctypes.cdll.LoadLibrary('libX11.so')
x11.XInitThreads()
except:
print("Warning: failed to XInitThreads()")
from PyQt5 import Qt
from gnuradio import qtgui
from gnuradio.filter import firdes
import sip
from gnuradio import analog
import math
from gnuradio import blocks
import pmt
from gnuradio import digital
from gnuradio import filter
from gnuradio import gr
import sys
import signal
from argparse import ArgumentParser
from gnuradio.eng_arg import eng_float, intx
from gnuradio import eng_notation
from gnuradio.qtgui import Range, RangeWidget
from gnuradio import qtgui
class helo_demod(gr.top_block, Qt.QWidget):
def __init__(self):
gr.top_block.__init__(self, "Not titled yet")
Qt.QWidget.__init__(self)
self.setWindowTitle("Not titled yet")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "helo_demod")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 44100
self.interp = interp = 20
self.dec = dec = 147
self.tw = tw = 44
self.real_rate = real_rate = samp_rate / dec * interp
self.offset = offset = -1660
self.bw = bw = 756
##################################################
# Blocks
##################################################
self._tw_range = Range(samp_rate/2/1024, samp_rate/2, 1, 44, 200)
self._tw_win = RangeWidget(self._tw_range, self.set_tw, 'TW', "counter_slider", float)
self.top_grid_layout.addWidget(self._tw_win)
self._offset_range = Range(-samp_rate/2, samp_rate/2, 1, -1660, 200)
self._offset_win = RangeWidget(self._offset_range, self.set_offset, 'Offset', "counter_slider", float)
self.top_grid_layout.addWidget(self._offset_win)
self._bw_range = Range(samp_rate/2/1024, samp_rate/2, 1, 756, 200)
self._bw_win = RangeWidget(self._bw_range, self.set_bw, 'BW', "counter_slider", float)
self.top_grid_layout.addWidget(self._bw_win)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=interp,
decimation=dec,
taps=None,
fractional_bw=None)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
real_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ['blue', 'red', 'green', 'black', 'cyan',
'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
real_rate, #bw
"", #name
1
)
self.qtgui_freq_sink_x_1.set_update_time(0.10)
self.qtgui_freq_sink_x_1.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_1.enable_autoscale(False)
self.qtgui_freq_sink_x_1.enable_grid(False)
self.qtgui_freq_sink_x_1.set_fft_average(1.0)
self.qtgui_freq_sink_x_1.enable_axis_labels(True)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
self.qtgui_freq_sink_x_1.set_plot_pos_half(not False)
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_1.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_1.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_1.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
real_rate, #bw
"", #name
1
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(True)
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(
1,
samp_rate,
bw,
tw,
firdes.WIN_HAMMING,
6.76))
self.digital_gfsk_demod_0 = digital.gfsk_demod(
samples_per_symbol=5,
sensitivity=1.0,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate * 100,True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char*1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/opt/git/HelicopterDemod/example_input_data__44100Hz_stereo.u8', False, 0, 0)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, '/opt/git/HelicopterDemod/output_bits', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, 1)
self.blocks_deinterleave_0 = blocks.deinterleave(gr.sizeof_char*1, 1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, offset, 1, 0, 0)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1)
self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_complex_0, 1))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_complex_to_mag_0, 0), (self.qtgui_freq_sink_x_1, 0))
self.connect((self.blocks_deinterleave_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.blocks_deinterleave_0, 1), (self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.blocks_complex_to_mag_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_deinterleave_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.digital_gfsk_demod_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_delay_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.digital_gfsk_demod_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
def closeEvent(self, event):
self.settings = Qt.QSettings("GNU Radio", "helo_demod")
self.settings.setValue("geometry", self.saveGeometry())
event.accept()
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.set_real_rate(self.samp_rate / self.dec * self.interp)
self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate)
self.blocks_throttle_0.set_sample_rate(self.samp_rate * 100)
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, self.bw, self.tw, firdes.WIN_HAMMING, 6.76))
def get_interp(self):
return self.interp
def set_interp(self, interp):
self.interp = interp
self.set_real_rate(self.samp_rate / self.dec * self.interp)
def get_dec(self):
return self.dec
def set_dec(self, dec):
self.dec = dec
self.set_real_rate(self.samp_rate / self.dec * self.interp)
def get_tw(self):
return self.tw
def set_tw(self, tw):
self.tw = tw
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, self.bw, self.tw, firdes.WIN_HAMMING, 6.76))
def get_real_rate(self):
return self.real_rate
def set_real_rate(self, real_rate):
self.real_rate = real_rate
self.qtgui_freq_sink_x_0.set_frequency_range(0, self.real_rate)
self.qtgui_freq_sink_x_1.set_frequency_range(0, self.real_rate)
self.qtgui_time_sink_x_0.set_samp_rate(self.real_rate)
def get_offset(self):
return self.offset
def set_offset(self, offset):
self.offset = offset
self.analog_sig_source_x_0.set_frequency(self.offset)
def get_bw(self):
return self.bw
def set_bw(self, bw):
self.bw = bw
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, self.bw, self.tw, firdes.WIN_HAMMING, 6.76))
def main(top_block_cls=helo_demod, options=None):
if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
style = gr.prefs().get_string('qtgui', 'style', 'raster')
Qt.QApplication.setGraphicsSystem(style)
qapp = Qt.QApplication(sys.argv)
tb = top_block_cls()
tb.start()
tb.show()
def sig_handler(sig=None, frame=None):
Qt.QApplication.quit()
signal.signal(signal.SIGINT, sig_handler)
signal.signal(signal.SIGTERM, sig_handler)
timer = Qt.QTimer()
timer.start(500)
timer.timeout.connect(lambda: None)
def quitting():
tb.stop()
tb.wait()
qapp.aboutToQuit.connect(quitting)
qapp.exec_()
if __name__ == '__main__':
main()