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keyfob_decode_wav.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: Keyfob Decode Wav
# GNU Radio version: v3.9.2.0-52-g062aa7a7
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 blocks
from gnuradio import digital
from gnuradio import gr
from gnuradio.fft import window
import sys
import signal
from argparse import ArgumentParser
from gnuradio.eng_arg import eng_float, intx
from gnuradio import eng_notation
from gnuradio.filter import pfb
import keyfob
from gnuradio import qtgui
class keyfob_decode_wav(gr.top_block, Qt.QWidget):
def __init__(self):
gr.top_block.__init__(self, "Keyfob Decode Wav", catch_exceptions=True)
Qt.QWidget.__init__(self)
self.setWindowTitle("Keyfob Decode Wav")
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", "keyfob_decode_wav")
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.sps = sps = 5
self.samp_rate = samp_rate = 48000
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
1024, #size
3400, #samp_rate
"", #name
1, #number of inputs
None # parent
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
self.qtgui_time_sink_x_1.enable_stem_plot(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]
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_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
3400 * sps, #samp_rate
"", #name
1, #number of inputs
None # parent
)
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 = ['', '', '', '', '',
'', '', '', '', '']
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_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_fff(
3400.0*sps/48000,
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.keyfob_parse_packet_0 = keyfob.parse_packet()
self.keyfob_manchester_decode_0 = keyfob.manchester_decode()
self.digital_correlate_access_code_tag_xx_0 = digital.correlate_access_code_tag_bb("10101000", 0, 'packet_start')
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(5*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.05)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_wavfile_source_0 = blocks.wavfile_source('/home/basti/src/gr-keyfob/gqrx_20150306_154200_434400000.wav', False)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate*3,True)
self.blocks_moving_average_xx_1 = blocks.moving_average_ff(sps, 1, 4000, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_moving_average_xx_1, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_moving_average_xx_1, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.keyfob_manchester_decode_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), (self.qtgui_time_sink_x_1, 0))
self.connect((self.digital_correlate_access_code_tag_xx_0, 0), (self.keyfob_parse_packet_0, 0))
self.connect((self.keyfob_manchester_decode_0, 0), (self.digital_correlate_access_code_tag_xx_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_moving_average_xx_1, 0))
def closeEvent(self, event):
self.settings = Qt.QSettings("GNU Radio", "keyfob_decode_wav")
self.settings.setValue("geometry", self.saveGeometry())
self.stop()
self.wait()
event.accept()
def get_sps(self):
return self.sps
def set_sps(self, sps):
self.sps = sps
self.blocks_moving_average_xx_1.set_length_and_scale(self.sps, 1)
self.pfb_arb_resampler_xxx_0.set_rate(3400.0*self.sps/48000)
self.qtgui_time_sink_x_0.set_samp_rate(3400 * self.sps)
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.blocks_throttle_0.set_sample_rate(self.samp_rate*3)
def main(top_block_cls=keyfob_decode_wav, 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):
tb.stop()
tb.wait()
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)
qapp.exec_()
if __name__ == '__main__':
main()