/
top_block.py
executable file
·206 lines (176 loc) · 9.11 KB
/
top_block.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Top Block
# Generated: Sun Jan 17 00:27:30 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 analog
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import filter
from gnuradio import gr
from gnuradio.eng_option import eng_option
from gnuradio.filter import firdes
from optparse import OptionParser
import bitgate
import osmosdr
import sys
class top_block(gr.top_block, Qt.QWidget):
def __init__(self, large_sig_len=0.0015, signal_mult=2, freq=433866000):
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())
##################################################
# Parameters
##################################################
self.large_sig_len = large_sig_len
self.signal_mult = signal_mult
self.freq = freq
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 240000
##################################################
# Blocks
##################################################
self.single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(0.2, 1)
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(freq, 0)
self.rtlsdr_source_0.set_freq_corr(-24, 0)
self.rtlsdr_source_0.set_dc_offset_mode(0, 0)
self.rtlsdr_source_0.set_iq_balance_mode(1, 0)
self.rtlsdr_source_0.set_gain_mode(False, 0)
self.rtlsdr_source_0.set_gain(50, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, samp_rate, 10000, 10000, firdes.WIN_HAMMING, 6.76))
self.blocks_threshold_ff_2 = blocks.threshold_ff(0, 0, 0)
self.blocks_threshold_ff_1 = blocks.threshold_ff(0, 0, 0)
self.blocks_sub_xx_2 = blocks.sub_ff(1)
self.blocks_sub_xx_1 = blocks.sub_ff(1)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "localhost", "52001", 10000, False)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((signal_mult, ))
self.blocks_moving_average_xx_1 = blocks.moving_average_ff(int(samp_rate*large_sig_len), 0.8/samp_rate/large_sig_len, 4000)
self.blocks_float_to_char_1 = blocks.float_to_char(1, 1)
self.blocks_float_to_char_0_0 = blocks.float_to_char(1, 1)
self.blocks_delay_1 = blocks.delay(gr.sizeof_float*1, int(samp_rate*0.00005))
self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, 1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.bitgate_triggered_bits_0 = bitgate.triggered_bits(int(samp_rate*large_sig_len*5), False)
self.analog_rail_ff_1 = analog.rail_ff(0.001, 1)
self.analog_rail_ff_0 = analog.rail_ff(0, 1)
##################################################
# Connections
##################################################
self.msg_connect((self.bitgate_triggered_bits_0, 'pdus'), (self.blocks_socket_pdu_0, 'pdus'))
self.connect((self.analog_rail_ff_0, 0), (self.blocks_float_to_char_0_0, 0))
self.connect((self.analog_rail_ff_1, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.analog_rail_ff_1, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.blocks_delay_1, 0), (self.blocks_float_to_char_1, 0))
self.connect((self.blocks_float_to_char_0_0, 0), (self.bitgate_triggered_bits_0, 1))
self.connect((self.blocks_float_to_char_1, 0), (self.bitgate_triggered_bits_0, 0))
self.connect((self.blocks_moving_average_xx_1, 0), (self.blocks_sub_xx_1, 1))
self.connect((self.blocks_moving_average_xx_1, 0), (self.blocks_sub_xx_2, 1))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.blocks_moving_average_xx_1, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.single_pole_iir_filter_xx_0, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.analog_rail_ff_0, 0))
self.connect((self.blocks_sub_xx_1, 0), (self.blocks_sub_xx_2, 0))
self.connect((self.blocks_sub_xx_1, 0), (self.blocks_threshold_ff_1, 0))
self.connect((self.blocks_sub_xx_2, 0), (self.blocks_threshold_ff_2, 0))
self.connect((self.blocks_threshold_ff_1, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_threshold_ff_1, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.blocks_threshold_ff_2, 0), (self.blocks_delay_1, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.single_pole_iir_filter_xx_0, 0), (self.blocks_sub_xx_1, 0))
def closeEvent(self, event):
self.settings = Qt.QSettings("GNU Radio", "top_block")
self.settings.setValue("geometry", self.saveGeometry())
event.accept()
def get_large_sig_len(self):
return self.large_sig_len
def set_large_sig_len(self, large_sig_len):
self.large_sig_len = large_sig_len
self.blocks_moving_average_xx_1.set_length_and_scale(int(self.samp_rate*self.large_sig_len), 0.8/self.samp_rate/self.large_sig_len)
def get_signal_mult(self):
return self.signal_mult
def set_signal_mult(self, signal_mult):
self.signal_mult = signal_mult
self.blocks_multiply_const_vxx_1.set_k((self.signal_mult, ))
def get_freq(self):
return self.freq
def set_freq(self, freq):
self.freq = freq
self.rtlsdr_source_0.set_center_freq(self.freq, 0)
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.blocks_delay_1.set_dly(int(self.samp_rate*0.00005))
self.blocks_moving_average_xx_1.set_length_and_scale(int(self.samp_rate*self.large_sig_len), 0.8/self.samp_rate/self.large_sig_len)
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, 10000, 10000, firdes.WIN_HAMMING, 6.76))
self.rtlsdr_source_0.set_sample_rate(self.samp_rate)
def argument_parser():
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
parser.add_option(
"", "--large-sig-len", dest="large_sig_len", type="eng_float", default=eng_notation.num_to_str(0.0015),
help="Set large_sig_len [default=%default]")
parser.add_option(
"", "--signal-mult", dest="signal_mult", type="eng_float", default=eng_notation.num_to_str(2),
help="Set signal_mult [default=%default]")
parser.add_option(
"", "--freq", dest="freq", type="intx", default=433866000,
help="Set freq [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(large_sig_len=options.large_sig_len, signal_mult=options.signal_mult, freq=options.freq)
tb.start()
tb.show()
def quitting():
tb.stop()
tb.wait()
qapp.connect(qapp, Qt.SIGNAL("aboutToQuit()"), quitting)
qapp.exec_()
if __name__ == '__main__':
main()