text: #!/usr/bin/env python2
  # -*- coding: utf-8 -*-
  ##################################################
  # GNU Radio Python Flow Graph
  # Title: Top Block
  # Generated: Mon Apr  4 12:29:09 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 qtgui
  from gnuradio.eng_option import eng_option
  from gnuradio.filter import firdes
  from optparse import OptionParser
  import ccsds
  import sip
  import sys
  
  
  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
          self.interleave = interleave = 4
  
          ##################################################
          # Blocks
          ##################################################
          self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
          	800, #size
          	samp_rate, #samp_rate
          	"", #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(-130, 130)
          
          self.qtgui_time_sink_x_1.set_y_label("Amplitude", "")
          
          self.qtgui_time_sink_x_1.enable_tags(-1, 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)
          
          if not True:
            self.qtgui_time_sink_x_1.disable_legend()
          
          labels = ["", "", "", "", "",
                    "", "", "", "", ""]
          widths = [1, 1, 1, 1, 1,
                    1, 1, 1, 1, 1]
          colors = ["blue", "red", "green", "black", "cyan",
                    "magenta", "yellow", "dark red", "dark green", "blue"]
          styles = [1, 1, 1, 1, 1,
                    1, 1, 1, 1, 1]
          markers = [-1, -1, -1, -1, -1,
                     -1, -1, -1, -1, -1]
          alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                    1.0, 1.0, 1.0, 1.0, 1.0]
          
          for i in xrange(1):
              if len(labels[i]) == 0:
                  self.qtgui_time_sink_x_1.set_line_label(i, "Data {0}".format(i))
              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.ccsds_rs_decode_pdu_0 = ccsds.rs_decode_pdu(interleave)
          self.ccsds_asm_deframer_pdu_0 = ccsds.asm_deframer_pdu(0, interleave, 1, 255)
          self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
          self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, "packet_len")
          self.blocks_packed_to_unpacked_xx_0_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
          self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/gs-laptop1/GroundStation/GroundStation/GNURadio/Test_Files/BAL_FEC_Test/frame.bit", False)
          self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/gs-laptop1/GroundStation/GroundStation/GNURadio/Test_Files/BAL_FEC_Test/frame_out.bit", False)
          self.blocks_file_sink_0.set_unbuffered(False)
          self.blocks_char_to_float_1 = blocks.char_to_float(1, 1)
  
          ##################################################
          # Connections
          ##################################################
          self.msg_connect((self.ccsds_asm_deframer_pdu_0, 'pdus'), (self.ccsds_rs_decode_pdu_0, 'pdu_in'))    
          self.msg_connect((self.ccsds_rs_decode_pdu_0, 'pdu_out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))    
          self.connect((self.blocks_char_to_float_1, 0), (self.qtgui_time_sink_x_1, 0))    
          self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))    
          self.connect((self.blocks_packed_to_unpacked_xx_0_0, 0), (self.ccsds_asm_deframer_pdu_0, 0))    
          self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_char_to_float_1, 0))    
          self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_file_sink_0, 0))    
          self.connect((self.blocks_throttle_0, 0), (self.blocks_packed_to_unpacked_xx_0_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
          self.blocks_throttle_0.set_sample_rate(self.samp_rate)
          self.qtgui_time_sink_x_1.set_samp_rate(self.samp_rate)
  
      def get_interleave(self):
          return self.interleave
  
      def set_interleave(self, interleave):
          self.interleave = interleave
          self.ccsds_asm_deframer_pdu_0.set_interleave(self.interleave,self.interleave)
          self.ccsds_rs_decode_pdu_0.set_interleave(self.interleave)
  
  
  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()
  