#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Top Block
# Generated: Fri Jul 19 08:45:02 2019
##################################################

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 PyQt4 import Qt
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio import uhd
from gnuradio import zeromq
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from gnuradio.qtgui import Range, RangeWidget
from optparse import OptionParser
import SimpleXMLRPCServer
import sys
import threading
import time
from gnuradio import qtgui


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

    def __init__(self, freq=1000e6, gain=50):
        gr.top_block.__init__(self, "Top Block")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Top Block")
        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", "top_block")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Parameters
        ##################################################
        self.freq = freq
        self.gain = gain

        ##################################################
        # Variables
        ##################################################
        self.variable_qtgui_range_0 = variable_qtgui_range_0 = 900e6
        self.samp_rate = samp_rate = 25e6

        ##################################################
        # Blocks
        ##################################################
        self.zeromq_push_sink_0 = zeromq.push_sink(gr.sizeof_gr_complex, 1, "tcp://127.0.0.1:5557", 20, False, -1)
        self.xmlrpc_server_0 = SimpleXMLRPCServer.SimpleXMLRPCServer(('localhost', 30000), allow_none=True)
        self.xmlrpc_server_0.register_instance(self)
        self.xmlrpc_server_0_thread = threading.Thread(target=self.xmlrpc_server_0.serve_forever)
        self.xmlrpc_server_0_thread.daemon = True
        self.xmlrpc_server_0_thread.start()
        self._variable_qtgui_range_0_range = Range(400e6, 2400e6, 1, 900e6, 200)
        self._variable_qtgui_range_0_win = RangeWidget(self._variable_qtgui_range_0_range, self.set_variable_qtgui_range_0, "variable_qtgui_range_0", "counter_slider", float)
        self.top_grid_layout.addWidget(self._variable_qtgui_range_0_win)
        self.uhd_usrp_source_0 = uhd.usrp_source(
        	",".join(('', "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		args='peak=0.003906',
        		channels=range(1),
        	),
        )
        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0.set_center_freq(freq, 0)
        self.uhd_usrp_source_0.set_gain(gain, 0)
        self.uhd_usrp_source_0.set_antenna('RX2', 0)
        self.uhd_usrp_source_0.set_bandwidth(25e6, 0)



        ##################################################
        # Connections
        ##################################################
        self.connect((self.uhd_usrp_source_0, 0), (self.zeromq_push_sink_0, 0))

    def closeEvent(self, event):
        self.settings = Qt.QSettings("GNU Radio", "top_block")
        self.settings.setValue("geometry", self.saveGeometry())
        event.accept()

    def get_freq(self):
        return self.freq

    def set_freq(self, freq):
        self.freq = freq
        self.uhd_usrp_source_0.set_center_freq(self.freq, 0)

    def get_gain(self):
        return self.gain

    def set_gain(self, gain):
        self.gain = gain
        self.uhd_usrp_source_0.set_gain(self.gain, 0)


    def get_variable_qtgui_range_0(self):
        return self.variable_qtgui_range_0

    def set_variable_qtgui_range_0(self, variable_qtgui_range_0):
        self.variable_qtgui_range_0 = variable_qtgui_range_0

    def get_samp_rate(self):
        return self.samp_rate

    def set_samp_rate(self, samp_rate):
        self.samp_rate = samp_rate
        self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)


def argument_parser():
    parser = OptionParser(usage="%prog: [options]", option_class=eng_option)
    parser.add_option(
        "", "--freq", dest="freq", type="eng_float", default=eng_notation.num_to_str(1000e6),
        help="Set freq [default=%default]")
    parser.add_option(
        "", "--gain", dest="gain", type="eng_float", default=eng_notation.num_to_str(50),
        help="Set gain [default=%default]")
    return parser


def main(top_block_cls=top_block, options=None):
    if options is None:
        options, _ = argument_parser().parse_args()

    from distutils.version import StrictVersion
    if StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0"):
        style = gr.prefs().get_string('qtgui', 'style', 'raster')
        Qt.QApplication.setGraphicsSystem(style)
    qapp = Qt.QApplication(sys.argv)

    tb = top_block_cls(freq=options.freq, gain=options.gain)
    tb.start()
    tb.show()

    def quitting():
        tb.stop()
        tb.wait()
    qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
    qapp.exec_()


if __name__ == '__main__':
    main()