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keyfob_tx.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 Tx
# 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
import pmt
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 import uhd
import time
from gnuradio.filter import pfb
import keyfob
from gnuradio import qtgui
class keyfob_tx(gr.top_block, Qt.QWidget):
def __init__(self):
gr.top_block.__init__(self, "Keyfob Tx", catch_exceptions=True)
Qt.QWidget.__init__(self)
self.setWindowTitle("Keyfob Tx")
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_tx")
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 = 10
self.scale = scale = .6
self.baud = baud = 3393.75
##################################################
# Blocks
##################################################
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0,1)),
),
'',
)
self.uhd_usrp_sink_0.set_samp_rate(1e6)
self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec(0))
self.uhd_usrp_sink_0.set_center_freq(434.4e6, 0)
self.uhd_usrp_sink_0.set_gain(45, 0)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
1e6, #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(2):
if len(labels[i]) == 0:
if (i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
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_ccf(
1000000.0/(baud*sps),
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.keyfob_keyfob_encode_0 = keyfob.keyfob_encode()
self.digital_map_bb_1 = digital.map_bb([1, 0])
self.digital_map_bb_0 = digital.map_bb([1,2])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_socket_pdu_0 = blocks.socket_pdu('TCP_SERVER', '', '52001', 10000, False)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_gr_complex*1, sps)
self.blocks_message_strobe_0 = blocks.message_strobe(pmt.intern("1111011110101011000101110110100111011101100010010001011011001001 001010101 "), 300)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, scale)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.keyfob_keyfob_encode_0, 'in'))
self.msg_connect((self.blocks_socket_pdu_0, 'pdus'), (self.keyfob_keyfob_encode_0, 'in'))
self.connect((self.blocks_char_to_float_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_repeat_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.digital_map_bb_1, 0))
self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_map_bb_1, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.keyfob_keyfob_encode_0, 0), (self.digital_map_bb_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.uhd_usrp_sink_0, 0))
def closeEvent(self, event):
self.settings = Qt.QSettings("GNU Radio", "keyfob_tx")
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_repeat_0.set_interpolation(self.sps)
self.pfb_arb_resampler_xxx_0.set_rate(1000000.0/(self.baud*self.sps))
def get_scale(self):
return self.scale
def set_scale(self, scale):
self.scale = scale
self.blocks_char_to_float_0.set_scale(self.scale)
def get_baud(self):
return self.baud
def set_baud(self, baud):
self.baud = baud
self.pfb_arb_resampler_xxx_0.set_rate(1000000.0/(self.baud*self.sps))
def main(top_block_cls=keyfob_tx, 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()