#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Top Block
# Generated: Sat Nov 12 20:35:22 2011
##################################################

from PyQt4 import Qt
from gnuradio import eng_notation
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.gr import firdes
from gnuradio.qtgui import qtgui
from optparse import OptionParser
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")
                self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
                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)


                ##################################################
                # Variables
                ##################################################
                self.samp_rate = samp_rate = 250000

                ##################################################
                # Blocks
                ##################################################
                self.qtgui_sink_x_0 = qtgui.sink_f(
                        1024, #fftsize
                        firdes.WIN_BLACKMAN_hARRIS, #wintype
                        0, #fc
                        samp_rate, #bw
                        "QT GUI Plot", #name
                        True, #plotfreq
                        True, #plotwaterfall
                        True, #plottime
                        True, #plotconst
                )
                self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
                self.top_layout.addWidget(self._qtgui_sink_x_0_win)
                self.gr_short_to_float_0 = gr.short_to_float()
                self.gr_file_source_0 = gr.file_source(gr.sizeof_short*1, "/dev/ttyUSB0", True)

                ##################################################
                # Connections
                ##################################################
                self.connect((self.gr_file_source_0, 0), (self.gr_short_to_float_0, 0))
                self.connect((self.gr_short_to_float_0, 0), (self.qtgui_sink_x_0, 0))

        def get_samp_rate(self):
                return self.samp_rate

        def set_samp_rate(self, samp_rate):
                self.samp_rate = samp_rate
                self.qtgui_sink_x_0.set_frequency_range(0, self.samp_rate)

if __name__ == '__main__':
        parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
        (options, args) = parser.parse_args()
        qapp = Qt.QApplication(sys.argv)
        tb = top_block()
        tb.start()
        tb.show()
        qapp.exec_()
        tb.stop()