#!/usr/bin/env python2
##################################################
# GNU Radio Python Flow Graph
# Title: Bandpass Recorder File
# Generated: Mon Jun 22 16:44:43 2015
##################################################

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 sys
import time

from distutils.version import StrictVersion
class bandpass_recorder_file(gr.top_block, Qt.QWidget):

    def __init__(self):
        gr.top_block.__init__(self, "Bandpass Recorder File")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Bandpass Recorder File")
        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", "bandpass_recorder_file")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.width = width = 1
        self.samp_rate = samp_rate = 30e6
        self.gain = gain = 1
        self.freq = freq = 1

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_source_0 = uhd.usrp_source(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		otw_format="sc8",
        		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('TX/RX', 0)
        self.uhd_usrp_source_0.set_bandwidth(width, 0)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "recorder.out", False)
        self.blocks_file_sink_0.set_unbuffered(False)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.uhd_usrp_source_0, 0), (self.blocks_file_sink_0, 0))    

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

    def get_width(self):
        return self.width

    def set_width(self, width):
        self.width = width
        self.uhd_usrp_source_0.set_bandwidth(self.width, 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 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_freq(self):
        return self.freq

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


if __name__ == '__main__':
    parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
    (options, args) = parser.parse_args()
    if(StrictVersion(Qt.qVersion()) >= StrictVersion("4.5.0")):
        Qt.QApplication.setGraphicsSystem(gr.prefs().get_string('qtgui','style','raster'))
    qapp = Qt.QApplication(sys.argv)
    tb = bandpass_recorder_file()
    tb.start()
    tb.show()
    def quitting():
        tb.stop()
        tb.wait()
    qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
    qapp.exec_()
    tb = None #to clean up Qt widgets