self.filt = filter.fft_filter_ccc(1, self.filt_taps)
thr = blocks.throttle(gr.sizeof_gr_complex, 100 * npts)
self.snk1 = qtgui.freq_sink_c(npts, filter.firdes.WIN_BLACKMAN_hARRIS,
0, Rs, "Complex Freq Example", 1)
self.connect(src1, (src, 0))
self.connect(src2, (src, 1))
self.connect(src, channel, thr, self.filt, (self.snk1, 0))
# Get the reference pointer to the SpectrumDisplayForm QWidget
pyQt = self.snk1.pyqwidget()
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
pyWin = sip.wrapinstance(pyQt, QtGui.QWidget)
pyWin.show()
def update_filter(self, filtobj):
print("Filter type:", filtobj.get_restype())
print("Filter params", filtobj.get_params())
self.filt.set_taps(filtobj.get_taps())
if __name__ == "__main__":
tb = my_top_block()
tb.start()
mw = filter_design.launch(sys.argv, tb.update_filter)
mw.show()
tb.qapp.exec_()
tb.stop()
#!/usr/bin/env python
#
# Copyright 2012 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
from gnuradio.filter import filter_design
import sys
'''
API Blocking call
returns filter taps for FIR filter design
returns b,a for IIR filter design
'''
filtobj = filter_design.launch(sys.argv)
# Displaying all filter parameters
print("Filter Count:", filtobj.get_filtercount())
print("Filter type:", filtobj.get_restype())
print("Filter params", filtobj.get_params())
print("Filter Coefficients", filtobj.get_taps())
# it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3, or (at your option) # any later version. # # GNU Radio is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Radio; see the file COPYING. If not, write to # the Free Software Foundation, Inc., 51 Franklin Street, # Boston, MA 02110-1301, USA. # from gnuradio.filter import filter_design import sys ''' API Blocking call returns filter taps for FIR filter design returns b,a for IIR filter design ''' filtobj = filter_design.launch(sys.argv) # Displaying all filter paramters print "Filter Count:", filtobj.get_filtercount() print "Filter type:", filtobj.get_restype() print "Filter params", filtobj.get_params() print "Filter Coefficients", filtobj.get_taps()
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
from gnuradio.filter import filter_design
import sys
try:
from PyQt4 import Qt, QtCore, QtGui
except ImportError:
print "Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)"
raise SystemExit, 1
'''
Callback example
Function called when "design" button is pressed
or pole-zero plot is changed
launch function returns gr_filter_design mainwindow
object when callback is not None
'''
def print_params(filtobj):
print "Filter Count:", filtobj.get_filtercount()
print "Filter type:", filtobj.get_restype()
print "Filter params", filtobj.get_params()
print "Filter Coefficients", filtobj.get_taps()
app = Qt.QApplication(sys.argv)
#launch function returns gr_filter_design mainwindow object
main_win = filter_design.launch(sys.argv, print_params)
main_win.show()
app.exec_()
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
from gnuradio.filter import filter_design
import sys
try:
from PyQt4 import Qt, QtCore, QtGui
except ImportError:
print "Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)"
raise SystemExit, 1
'''
Callback with restrict example
Function called when "design" button is pressed
or pole-zero plot is changed
'''
def print_params(filtobj):
print "Filter Count:", filtobj.get_filtercount()
print "Filter type:", filtobj.get_restype()
print "Filter params", filtobj.get_params()
print "Filter Coefficients", filtobj.get_taps()
app = Qt.QApplication(sys.argv)
main_win = filter_design.launch(sys.argv, callback = print_params, restype = "iir")
main_win.show()
app.exec_()
#
from gnuradio.filter import filter_design
import sys
try:
from PyQt4 import Qt, QtCore, QtGui
except ImportError:
print "Please install PyQt4 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)"
raise SystemExit, 1
'''
Callback example
Function called when "design" button is pressed
or pole-zero plot is changed
launch function returns gr_filter_design mainwindow
object when callback is not None
'''
def print_params(filtobj):
print "Filter Count:", filtobj.get_filtercount()
print "Filter type:", filtobj.get_restype()
print "Filter params", filtobj.get_params()
print "Filter Coefficients", filtobj.get_taps()
app = Qt.QApplication(sys.argv)
#launch function returns gr_filter_design mainwindow object
main_win = filter_design.launch(sys.argv, print_params)
main_win.show()
app.exec_()
#
#
from gnuradio.filter import filter_design
import sys
try:
from PyQt5 import Qt, QtCore, QtGui
except ImportError:
print("Please install PyQt5 to run this script (http://www.riverbankcomputing.co.uk/software/pyqt/download)")
raise SystemExit(1)
'''
Callback with restrict example
Function called when "design" button is pressed
or pole-zero plot is changed
'''
def print_params(filtobj):
print("Filter Count:", filtobj.get_filtercount())
print("Filter type:", filtobj.get_restype())
print("Filter params", filtobj.get_params())
print("Filter Coefficients", filtobj.get_taps())
app = Qt.QApplication(sys.argv)
main_win = filter_design.launch(sys.argv, callback=print_params, restype="iir")
main_win.show()
app.exec_()
self.snk1 = qtgui.freq_sink_c(npts, filter.firdes.WIN_BLACKMAN_hARRIS,
0, Rs,
"Complex Freq Example", 1)
self.connect(src1, (src,0))
self.connect(src2, (src,1))
self.connect(src, channel, thr, self.filt, (self.snk1, 0))
# Get the reference pointer to the SpectrumDisplayForm QWidget
pyQt = self.snk1.pyqwidget()
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
pyWin = sip.wrapinstance(pyQt, QtGui.QWidget)
pyWin.show()
def update_filter(self, filtobj):
print "Filter type:", filtobj.get_restype()
print "Filter params", filtobj.get_params()
self.filt.set_taps(filtobj.get_taps())
if __name__ == "__main__":
tb = my_top_block();
tb.start()
mw = filter_design.launch(sys.argv, tb.update_filter)
mw.show()
tb.qapp.exec_()
tb.stop()
