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

#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: usrp_4000_hf_am_receiver
# GNU Radio version: v3.8.3.1-2-g18f86220

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 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
from gnuradio import uhd
import time
from gnuradio.qtgui import Range, RangeWidget

from gnuradio import qtgui

class usrp_4000_hf_am_receiver(gr.top_block, Qt.QWidget):

    def __init__(self):
        gr.top_block.__init__(self, "usrp_4000_hf_am_receiver")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("usrp_4000_hf_am_receiver")
        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", "usrp_4000_hf_am_receiver")

        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 = 1e6
        self.decim = decim = 5
        self.center_freq = center_freq = 125e6
        self.band_pass_transition = band_pass_transition = 400
        self.band_pass_low_cutoff = band_pass_low_cutoff = 500
        self.band_pass_high_cutoff = band_pass_high_cutoff = 6000

        ##################################################
        # Blocks
        ##################################################
        self._center_freq_range = Range(120e6, 130e6, 1e4, 125e6, 200)
        self._center_freq_win = RangeWidget(self._center_freq_range, self.set_center_freq, 'center_freq', "counter_slider", float)
        self.top_layout.addWidget(self._center_freq_win)
        self._band_pass_transition_range = Range(100, 4000, 100, 400, 200)
        self._band_pass_transition_win = RangeWidget(self._band_pass_transition_range, self.set_band_pass_transition, 'band_pass_transition', "counter_slider", float)
        self.top_layout.addWidget(self._band_pass_transition_win)
        self._band_pass_low_cutoff_range = Range(100, 10000, 100, 500, 200)
        self._band_pass_low_cutoff_win = RangeWidget(self._band_pass_low_cutoff_range, self.set_band_pass_low_cutoff, 'band_pass_low_cutoff', "counter_slider", float)
        self.top_layout.addWidget(self._band_pass_low_cutoff_win)
        self._band_pass_high_cutoff_range = Range(1000, 10000, 100, 6000, 200)
        self._band_pass_high_cutoff_win = RangeWidget(self._band_pass_high_cutoff_range, self.set_band_pass_high_cutoff, 'band_pass_high_cutoff', "counter_slider", float)
        self.top_layout.addWidget(self._band_pass_high_cutoff_win)
        self.uhd_usrp_source_0 = uhd.usrp_source(
            ",".join(("", "")),
            uhd.stream_args(
                cpu_format="fc32",
                args='',
                channels=list(range(0,1)),
            ),
        )
        self.uhd_usrp_source_0.set_center_freq(center_freq, 0)
        self.uhd_usrp_source_0.set_gain(10, 0)
        self.uhd_usrp_source_0.set_antenna('RX2', 0)
        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec())
        self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_f(
            4096, #size
            firdes.WIN_BLACKMAN_hARRIS, #wintype
            center_freq, #fc
            samp_rate/decim, #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(False)
        self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)


        self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not 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_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
        self.qtgui_time_sink_x_1 = qtgui.time_sink_c(
            1024, #size
            samp_rate, #samp_rate
            'signal_source_time', #name
            1 #number of inputs
        )
        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 = ['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(2):
            if len(labels[i]) == 0:
                if (i % 2 == 0):
                    self.qtgui_time_sink_x_1.set_line_label(i, "Re{{Data {0}}}".format(i/2))
                else:
                    self.qtgui_time_sink_x_1.set_line_label(i, "Im{{Data {0}}}".format(i/2))
            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
            samp_rate/decim, #samp_rate
            'AM signal', #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_layout.addWidget(self._qtgui_time_sink_x_0_win)
        self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
            1024, #size
            firdes.WIN_BLACKMAN_hARRIS, #wintype
            center_freq, #fc
            samp_rate, #bw
            'signal_source_freq', #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)



        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_layout.addWidget(self._qtgui_freq_sink_x_1_win)
        self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decim, firdes.low_pass(1,samp_rate,samp_rate/(2*decim), 2000), center_freq, samp_rate)
        self.blocks_complex_to_mag_0_0 = blocks.complex_to_mag(1)
        self.band_pass_filter_0 = filter.fir_filter_fff(
            1,
            firdes.band_pass(
                1,
                samp_rate/decim,
                band_pass_low_cutoff,
                band_pass_high_cutoff,
                band_pass_transition,
                firdes.WIN_HAMMING,
                6.76))
        self.analog_agc_xx_0 = analog.agc_cc(1e-4, 1.0, 1.0)
        self.analog_agc_xx_0.set_max_gain(65536)


        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_agc_xx_0, 0), (self.blocks_complex_to_mag_0_0, 0))
        self.connect((self.band_pass_filter_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.band_pass_filter_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
        self.connect((self.blocks_complex_to_mag_0_0, 0), (self.band_pass_filter_0, 0))
        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_agc_xx_0, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_freq_sink_x_1, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_time_sink_x_1, 0))


    def closeEvent(self, event):
        self.settings = Qt.QSettings("GNU Radio", "usrp_4000_hf_am_receiver")
        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.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate/self.decim, self.band_pass_low_cutoff, self.band_pass_high_cutoff, self.band_pass_transition, firdes.WIN_HAMMING, 6.76))
        self.freq_xlating_fir_filter_xxx_0.set_taps(firdes.low_pass(1,self.samp_rate,self.samp_rate/(2*self.decim), 2000))
        self.qtgui_freq_sink_x_1.set_frequency_range(self.center_freq, self.samp_rate)
        self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate/self.decim)
        self.qtgui_time_sink_x_1.set_samp_rate(self.samp_rate)
        self.qtgui_waterfall_sink_x_0.set_frequency_range(self.center_freq, self.samp_rate/self.decim)
        self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)

    def get_decim(self):
        return self.decim

    def set_decim(self, decim):
        self.decim = decim
        self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate/self.decim, self.band_pass_low_cutoff, self.band_pass_high_cutoff, self.band_pass_transition, firdes.WIN_HAMMING, 6.76))
        self.freq_xlating_fir_filter_xxx_0.set_taps(firdes.low_pass(1,self.samp_rate,self.samp_rate/(2*self.decim), 2000))
        self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate/self.decim)
        self.qtgui_waterfall_sink_x_0.set_frequency_range(self.center_freq, self.samp_rate/self.decim)

    def get_center_freq(self):
        return self.center_freq

    def set_center_freq(self, center_freq):
        self.center_freq = center_freq
        self.freq_xlating_fir_filter_xxx_0.set_center_freq(self.center_freq)
        self.qtgui_freq_sink_x_1.set_frequency_range(self.center_freq, self.samp_rate)
        self.qtgui_waterfall_sink_x_0.set_frequency_range(self.center_freq, self.samp_rate/self.decim)
        self.uhd_usrp_source_0.set_center_freq(self.center_freq, 0)

    def get_band_pass_transition(self):
        return self.band_pass_transition

    def set_band_pass_transition(self, band_pass_transition):
        self.band_pass_transition = band_pass_transition
        self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate/self.decim, self.band_pass_low_cutoff, self.band_pass_high_cutoff, self.band_pass_transition, firdes.WIN_HAMMING, 6.76))

    def get_band_pass_low_cutoff(self):
        return self.band_pass_low_cutoff

    def set_band_pass_low_cutoff(self, band_pass_low_cutoff):
        self.band_pass_low_cutoff = band_pass_low_cutoff
        self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate/self.decim, self.band_pass_low_cutoff, self.band_pass_high_cutoff, self.band_pass_transition, firdes.WIN_HAMMING, 6.76))

    def get_band_pass_high_cutoff(self):
        return self.band_pass_high_cutoff

    def set_band_pass_high_cutoff(self, band_pass_high_cutoff):
        self.band_pass_high_cutoff = band_pass_high_cutoff
        self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate/self.decim, self.band_pass_low_cutoff, self.band_pass_high_cutoff, self.band_pass_transition, firdes.WIN_HAMMING, 6.76))





def main(top_block_cls=usrp_4000_hf_am_receiver, 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()
