tunning_two_stations.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: tunning_two_stations
# Author: daniel-arod
# Copyright: MIT
# Description: original example was made by Cardona I: https://youtu.be/KCtcHaPr7Ug
# GNU Radio version: 3.8.2.0

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
from gnuradio import audio
from gnuradio import blocks
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
import osmosdr
import time

from gnuradio import qtgui

class tunning_two_stations(gr.top_block, Qt.QWidget):

    def __init__(self):
        gr.top_block.__init__(self, "tunning_two_stations")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("tunning_two_stations")
        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", "tunning_two_stations")

        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 = 960000
        self.samp_max_audio = samp_max_audio = 48000
        self.mute_izq = mute_izq = 0
        self.mute_der = mute_der = 0
        self.Ireq = Ireq = 94250000

        ##################################################
        # Blocks
        ##################################################
        _mute_izq_check_box = Qt.QCheckBox('mute izq')
        self._mute_izq_choices = {True: 1, False: 0}
        self._mute_izq_choices_inv = dict((v,k) for k,v in self._mute_izq_choices.items())
        self._mute_izq_callback = lambda i: Qt.QMetaObject.invokeMethod(_mute_izq_check_box, "setChecked", Qt.Q_ARG("bool", self._mute_izq_choices_inv[i]))
        self._mute_izq_callback(self.mute_izq)
        _mute_izq_check_box.stateChanged.connect(lambda i: self.set_mute_izq(self._mute_izq_choices[bool(i)]))
        self.top_grid_layout.addWidget(_mute_izq_check_box, 2, 0, 1, 1)
        for r in range(2, 3):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        _mute_der_check_box = Qt.QCheckBox('mute der')
        self._mute_der_choices = {True: 1, False: 0}
        self._mute_der_choices_inv = dict((v,k) for k,v in self._mute_der_choices.items())
        self._mute_der_callback = lambda i: Qt.QMetaObject.invokeMethod(_mute_der_check_box, "setChecked", Qt.Q_ARG("bool", self._mute_der_choices_inv[i]))
        self._mute_der_callback(self.mute_der)
        _mute_der_check_box.stateChanged.connect(lambda i: self.set_mute_der(self._mute_der_choices[bool(i)]))
        self.top_grid_layout.addWidget(_mute_der_check_box, 2, 1, 1, 1)
        for r in range(2, 3):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(1, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.rtlsdr_source_0 = osmosdr.source(
            args="numchan=" + str(1) + " " + ""
        )
        self.rtlsdr_source_0.set_time_unknown_pps(osmosdr.time_spec_t())
        self.rtlsdr_source_0.set_sample_rate(samp_rate)
        self.rtlsdr_source_0.set_center_freq(97650000, 0)
        self.rtlsdr_source_0.set_freq_corr(0, 0)
        self.rtlsdr_source_0.set_dc_offset_mode(0, 0)
        self.rtlsdr_source_0.set_iq_balance_mode(0, 0)
        self.rtlsdr_source_0.set_gain_mode(False, 0)
        self.rtlsdr_source_0.set_gain(10, 0)
        self.rtlsdr_source_0.set_if_gain(20, 0)
        self.rtlsdr_source_0.set_bb_gain(20, 0)
        self.rtlsdr_source_0.set_antenna('', 0)
        self.rtlsdr_source_0.set_bandwidth(0, 0)
        self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
                interpolation=1,
                decimation=10,
                taps=None,
                fractional_bw=None)
        self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
                interpolation=1,
                decimation=10,
                taps=None,
                fractional_bw=None)
        self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
            1024, #size
            firdes.WIN_BLACKMAN_hARRIS, #wintype
            97400000, #fc
            samp_rate, #bw
            "", #name
            1 #number of inputs
        )
        self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
        self.qtgui_waterfall_sink_x_0.enable_grid(True)
        self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)



        labels = ['', '', '', '', '',
                  '', '', '', '', '']
        colors = [0, 0, 0, 0, 0,
                  0, 0, 0, 0, 0]
        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_waterfall_sink_x_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
            self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])

        self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)

        self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0, 0, 1, 2)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_freq_sink_x_2 = qtgui.freq_sink_f(
            1024, #size
            firdes.WIN_RECTANGULAR, #wintype
            97900000, #fc
            samp_max_audio, #bw
            "Radio der", #name
            1
        )
        self.qtgui_freq_sink_x_2.set_update_time(0.10)
        self.qtgui_freq_sink_x_2.set_y_axis(-140, 10)
        self.qtgui_freq_sink_x_2.set_y_label('Relative Gain', 'dB')
        self.qtgui_freq_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
        self.qtgui_freq_sink_x_2.enable_autoscale(True)
        self.qtgui_freq_sink_x_2.enable_grid(False)
        self.qtgui_freq_sink_x_2.set_fft_average(0.2)
        self.qtgui_freq_sink_x_2.enable_axis_labels(True)
        self.qtgui_freq_sink_x_2.enable_control_panel(False)


        self.qtgui_freq_sink_x_2.set_plot_pos_half(not 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_2.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_2.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_2.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_2.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_2.set_line_alpha(i, alphas[i])

        self._qtgui_freq_sink_x_2_win = sip.wrapinstance(self.qtgui_freq_sink_x_2.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_2_win, 1, 1, 1, 1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(1, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_freq_sink_x_1 = qtgui.freq_sink_f(
            1024, #size
            firdes.WIN_BLACKMAN_hARRIS, #wintype
            97400000, #fc
            samp_max_audio, #bw
            "Radio izq", #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(True)
        self.qtgui_freq_sink_x_1.enable_grid(True)
        self.qtgui_freq_sink_x_1.set_fft_average(0.05)
        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 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_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, 1, 0, 1, 1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_ff(mute_der)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(mute_izq)
        self.audio_sink_1 = audio.sink(44100, '', True)
        self.audio_sink_0 = audio.sink(48000, '', True)
        self.analog_wfm_rcv_1 = analog.wfm_rcv(
        	quad_rate=96000,
        	audio_decimation=2,
        )
        self.analog_wfm_rcv_0 = analog.wfm_rcv(
        	quad_rate=96000,
        	audio_decimation=2,
        )
        self.analog_sig_source_x_1 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 250000, 1, 0, 0)
        self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -250000, 1, 0, 0)



        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_1, 1))
        self.connect((self.analog_wfm_rcv_0, 0), (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.analog_wfm_rcv_0, 0), (self.qtgui_freq_sink_x_2, 0))
        self.connect((self.analog_wfm_rcv_1, 0), (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.analog_wfm_rcv_1, 0), (self.qtgui_freq_sink_x_1, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_1, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0), (self.audio_sink_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0), (self.rational_resampler_xxx_0, 0))
        self.connect((self.blocks_multiply_xx_1, 0), (self.rational_resampler_xxx_1, 0))
        self.connect((self.rational_resampler_xxx_0, 0), (self.analog_wfm_rcv_0, 0))
        self.connect((self.rational_resampler_xxx_1, 0), (self.analog_wfm_rcv_1, 0))
        self.connect((self.rtlsdr_source_0, 0), (self.blocks_multiply_xx_0, 0))
        self.connect((self.rtlsdr_source_0, 0), (self.blocks_multiply_xx_1, 0))
        self.connect((self.rtlsdr_source_0, 0), (self.qtgui_waterfall_sink_x_0, 0))


    def closeEvent(self, event):
        self.settings = Qt.QSettings("GNU Radio", "tunning_two_stations")
        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.analog_sig_source_x_0.set_sampling_freq(self.samp_rate)
        self.analog_sig_source_x_1.set_sampling_freq(self.samp_rate)
        self.qtgui_waterfall_sink_x_0.set_frequency_range(97400000, self.samp_rate)
        self.rtlsdr_source_0.set_sample_rate(self.samp_rate)

    def get_samp_max_audio(self):
        return self.samp_max_audio

    def set_samp_max_audio(self, samp_max_audio):
        self.samp_max_audio = samp_max_audio
        self.qtgui_freq_sink_x_1.set_frequency_range(97400000, self.samp_max_audio)
        self.qtgui_freq_sink_x_2.set_frequency_range(97900000, self.samp_max_audio)

    def get_mute_izq(self):
        return self.mute_izq

    def set_mute_izq(self, mute_izq):
        self.mute_izq = mute_izq
        self._mute_izq_callback(self.mute_izq)
        self.blocks_multiply_const_vxx_0.set_k(self.mute_izq)

    def get_mute_der(self):
        return self.mute_der

    def set_mute_der(self, mute_der):
        self.mute_der = mute_der
        self._mute_der_callback(self.mute_der)
        self.blocks_multiply_const_vxx_1.set_k(self.mute_der)

    def get_Ireq(self):
        return self.Ireq

    def set_Ireq(self, Ireq):
        self.Ireq = Ireq





def main(top_block_cls=tunning_two_stations, 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()