#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Top Block
# Generated: Fri Mar 11 06:58:53 2016
##################################################

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 blocks
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio import uhd
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from optparse import OptionParser
import ettus
import sip
import sys
import time


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

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

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32000

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_source_0 = uhd.usrp_source(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_source_0.set_samp_rate(50000000)
        self.uhd_usrp_source_0.set_center_freq(2e9, 0)
        self.uhd_usrp_source_0.set_gain(0, 0)
        self.uhd_rfnoc_streamer_fosphor_0 = ettus.rfnoc_fosphor_c(
            1024,
            self.device3,
            -1,
            -1,
        )
        self.uhd_rfnoc_streamer_fosphor_0.set_arg("decim", max(2, int(40e6 / (15 * 64 * 1024))))
        self.uhd_rfnoc_streamer_fosphor_0.set_arg("offset", 0)
        self.uhd_rfnoc_streamer_fosphor_0.set_arg("scale", 256)
        self.uhd_rfnoc_streamer_fosphor_0.set_arg("trise", 4096)
        self.uhd_rfnoc_streamer_fosphor_0.set_arg("tdecay", 16384)
        self.uhd_rfnoc_streamer_fosphor_0.set_arg("alpha", 65280)
        self.uhd_rfnoc_streamer_fosphor_0.set_arg("epsilon", 1)
        self.uhd_rfnoc_fosphor_display_0 = ettus.fosphor_display(1024, 64)
        self.uhd_rfnoc_fosphor_display_0.set_frame_rate(30)
        self.uhd_rfnoc_fosphor_display_0.set_frequency_range(2e9, 50e6)
        self.uhd_rfnoc_fosphor_display_0.set_grid(True)
        self.uhd_rfnoc_fosphor_display_0.set_palette("rainbow")
        self._uhd_rfnoc_fosphor_display_0_win = sip.wrapinstance(self.uhd_rfnoc_fosphor_display_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._uhd_rfnoc_fosphor_display_0_win)
        self.blocks_stream_to_vector_decimator_0 = blocks.stream_to_vector_decimator(
        	item_size=gr.sizeof_gr_complex,
        	sample_rate=50e6,
        	vec_rate=40,
        	vec_len=1024,
        )

        ##################################################
        # Connections
        ##################################################
        self.connect((self.uhd_usrp_source_0, 0), (self.blocks_stream_to_vector_decimator_0, 0))    
        self.connect((self.blocks_stream_to_vector_decimator_0, 0), (self.uhd_rfnoc_streamer_fosphor_0, 0))    
        self.connect((self.uhd_rfnoc_streamer_fosphor_0, 0), (self.uhd_rfnoc_fosphor_display_0, 0))    

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


def main(top_block_cls=top_block, options=None):

    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()
    tb.start()
    tb.show()

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


if __name__ == '__main__':
    main()