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ChannelAnalyser.py
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ChannelAnalyser.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: Channel Analyser Test
# Author: M Mansour Abadi
# Description: This is a simple test to show how to use 'Channel Analyser' block for measuring FSO channel characteristics.
# Generated: Tue Oct 29 17:51:28 2019
##################################################
from distutils.version import StrictVersion
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 PyQt5 import Qt
from PyQt5 import Qt, QtCore
from gnuradio import analog
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 FSO_Comm
import numpy
import sip
import sys
from gnuradio import qtgui
class ChannelAnalyser(gr.top_block, Qt.QWidget):
def __init__(self):
gr.top_block.__init__(self, "Channel Analyser Test")
Qt.QWidget.__init__(self)
self.setWindowTitle("Channel Analyser Test")
qtgui.util.check_set_qss()
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", "ChannelAnalyser")
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0.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_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_int*1, samp_rate,True)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_int*1, 4)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
self.blocks_int_to_float_0 = blocks.int_to_float(1, 1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.analog_random_source_x_0 = blocks.vector_source_i(map(int, numpy.random.randint(0, 2, 1000)), True)
self.analog_noise_source_x_0 = analog.noise_source_f(analog.GR_GAUSSIAN, 1, 0)
self.FSO_Comm_Channel_Analyser_ff_0 = FSO_Comm.Channel_Analyser_ff(False, 20, 0, samp_rate/4, samp_rate)
##################################################
# Connections
##################################################
self.connect((self.FSO_Comm_Channel_Analyser_ff_0, 2), (self.blocks_null_sink_0, 1))
self.connect((self.FSO_Comm_Channel_Analyser_ff_0, 3), (self.blocks_null_sink_0, 2))
self.connect((self.FSO_Comm_Channel_Analyser_ff_0, 1), (self.blocks_null_sink_0, 0))
self.connect((self.FSO_Comm_Channel_Analyser_ff_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.FSO_Comm_Channel_Analyser_ff_0, 0))
self.connect((self.blocks_int_to_float_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.blocks_int_to_float_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_repeat_0, 0))
def closeEvent(self, event):
self.settings = Qt.QSettings("GNU Radio", "ChannelAnalyser")
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.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate)
self.blocks_throttle_0.set_sample_rate(self.samp_rate)
self.FSO_Comm_Channel_Analyser_ff_0.set_BandWidth(self.samp_rate/4)
self.FSO_Comm_Channel_Analyser_ff_0.set_SampRate(self.samp_rate)
def main(top_block_cls=ChannelAnalyser, options=None):
if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
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.aboutToQuit.connect(quitting)
qapp.exec_()
if __name__ == '__main__':
main()