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FMtransceiver.py
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FMtransceiver.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: FMtransceiver
# Author: ABHISHEK ANAND
# Copyright: 2020
# Description: Implementation of FM transceiver
# GNU Radio version: 3.10.2.0
from packaging.version import Version as 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 PyQt5.QtCore import QObject, pyqtSlot
from gnuradio import qtgui
from gnuradio.filter import firdes
import sip
from gnuradio import analog
from gnuradio import audio
from gnuradio import blocks
from gnuradio import filter
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 zeromq
from gnuradio.qtgui import Range, RangeWidget
from PyQt5 import QtCore
from gnuradio import qtgui
class FMtransceiver(gr.top_block, Qt.QWidget):
def __init__(self):
gr.top_block.__init__(self, "FMtransceiver", catch_exceptions=True)
Qt.QWidget.__init__(self)
self.setWindowTitle("FMtransceiver")
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", "FMtransceiver")
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.volume = volume = 1.5
self.sq_level = sq_level = -50
self.samp_rate = samp_rate = 48000
self.channel_filter = channel_filter = firdes.complex_band_pass(1.0, 960000, -15000, 15000, 100, window.WIN_HAMMING, 6.76)
self.Carrier_frequency = Carrier_frequency = 0
##################################################
# Blocks
##################################################
self._volume_range = Range(0, 10, 0.1, 1.5, 200)
self._volume_win = RangeWidget(self._volume_range, self.set_volume, "Audio Gain", "counter_slider", float, QtCore.Qt.Horizontal)
self.top_layout.addWidget(self._volume_win)
self._sq_level_range = Range(-100, 0, 5, -50, 200)
self._sq_level_win = RangeWidget(self._sq_level_range, self.set_sq_level, "Squelch", "counter_slider", float, QtCore.Qt.Horizontal)
self.top_layout.addWidget(self._sq_level_win)
# Create the options list
self._Carrier_frequency_options = [0.0, 20000.0, 40000.0, 60000.0, 100000.0]
# Create the labels list
self._Carrier_frequency_labels = ['0', '20K', '40K', '60K', '100K']
# Create the combo box
# Create the radio buttons
self._Carrier_frequency_group_box = Qt.QGroupBox("tone" + ": ")
self._Carrier_frequency_box = Qt.QHBoxLayout()
class variable_chooser_button_group(Qt.QButtonGroup):
def __init__(self, parent=None):
Qt.QButtonGroup.__init__(self, parent)
@pyqtSlot(int)
def updateButtonChecked(self, button_id):
self.button(button_id).setChecked(True)
self._Carrier_frequency_button_group = variable_chooser_button_group()
self._Carrier_frequency_group_box.setLayout(self._Carrier_frequency_box)
for i, _label in enumerate(self._Carrier_frequency_labels):
radio_button = Qt.QRadioButton(_label)
self._Carrier_frequency_box.addWidget(radio_button)
self._Carrier_frequency_button_group.addButton(radio_button, i)
self._Carrier_frequency_callback = lambda i: Qt.QMetaObject.invokeMethod(self._Carrier_frequency_button_group, "updateButtonChecked", Qt.Q_ARG("int", self._Carrier_frequency_options.index(i)))
self._Carrier_frequency_callback(self.Carrier_frequency)
self._Carrier_frequency_button_group.buttonClicked[int].connect(
lambda i: self.set_Carrier_frequency(self._Carrier_frequency_options[i]))
self.top_layout.addWidget(self._Carrier_frequency_group_box)
self.zeromq_sub_source_0 = zeromq.sub_source(gr.sizeof_gr_complex, 1, 'tcp://127.0.0.1:50001', 100, False, -1, '0')
self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_gr_complex, 1, 'tcp://127.0.0.1:50001', 100, False, -1, '0')
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
1024, #size
window.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'Tx_spectrum', #name
1,
None # parent
)
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_fft_window_normalized(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.qwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_1_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
window.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'Rx_spectrum', #name
1,
None # parent
)
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(False)
self.qtgui_freq_sink_x_0.set_fft_window_normalized(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_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.qwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.fft_filter_xxx_0 = filter.fft_filter_ccc(20, channel_filter, 1)
self.fft_filter_xxx_0.declare_sample_delay(0)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float*1, 20)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_ff(volume)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(volume)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.band_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.band_pass(
1,
samp_rate,
200,
20000,
100,
window.WIN_HAMMING,
6.76))
self.audio_source_0 = audio.source(48000, '', True)
self.audio_sink_0 = audio.sink(48000, '', True)
self.analog_simple_squelch_cc_0 = analog.simple_squelch_cc(sq_level, 1)
self.analog_sig_source_x_0 = analog.sig_source_f(samp_rate, analog.GR_SIN_WAVE, Carrier_frequency, 1, 0, 0)
self.analog_nbfm_tx_0 = analog.nbfm_tx(
audio_rate=48000,
quad_rate=192000,
tau=75e-6,
max_dev=5e3,
fh=-1.0,
)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=48000,
quad_rate=192000,
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.analog_nbfm_rx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.analog_nbfm_tx_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.analog_simple_squelch_cc_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.qtgui_freq_sink_x_1, 0))
self.connect((self.band_pass_filter_0, 0), (self.zeromq_pub_sink_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.analog_nbfm_tx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.blocks_repeat_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.fft_filter_xxx_0, 0), (self.analog_simple_squelch_cc_0, 0))
self.connect((self.zeromq_sub_source_0, 0), (self.fft_filter_xxx_0, 0))
def closeEvent(self, event):
self.settings = Qt.QSettings("GNU Radio", "FMtransceiver")
self.settings.setValue("geometry", self.saveGeometry())
self.stop()
self.wait()
event.accept()
def get_volume(self):
return self.volume
def set_volume(self, volume):
self.volume = volume
self.blocks_multiply_const_vxx_0.set_k(self.volume)
self.blocks_multiply_const_vxx_0_0.set_k(self.volume)
def get_sq_level(self):
return self.sq_level
def set_sq_level(self, sq_level):
self.sq_level = sq_level
self.analog_simple_squelch_cc_0.set_threshold(self.sq_level)
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate)
self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate, 200, 20000, 100, window.WIN_HAMMING, 6.76))
self.qtgui_freq_sink_x_0.set_frequency_range(0, self.samp_rate)
self.qtgui_freq_sink_x_1.set_frequency_range(0, self.samp_rate)
def get_channel_filter(self):
return self.channel_filter
def set_channel_filter(self, channel_filter):
self.channel_filter = channel_filter
self.fft_filter_xxx_0.set_taps(self.channel_filter)
def get_Carrier_frequency(self):
return self.Carrier_frequency
def set_Carrier_frequency(self, Carrier_frequency):
self.Carrier_frequency = Carrier_frequency
self._Carrier_frequency_callback(self.Carrier_frequency)
self.analog_sig_source_x_0.set_frequency(self.Carrier_frequency)
def main(top_block_cls=FMtransceiver, 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()