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Diffstat (limited to 'gr-wxgui/python/wxgui/fftsink_gl.py')
| -rw-r--r-- | gr-wxgui/python/wxgui/fftsink_gl.py | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/gr-wxgui/python/wxgui/fftsink_gl.py b/gr-wxgui/python/wxgui/fftsink_gl.py deleted file mode 100644 index a0b245c98a..0000000000 --- a/gr-wxgui/python/wxgui/fftsink_gl.py +++ /dev/null @@ -1,204 +0,0 @@ -# -# Copyright 2008-2010,2012 Free Software Foundation, Inc. -# -# This file is part of GNU Radio -# -# GNU Radio is free software; you can redistribute it and/or modify -# 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 __future__ import division - -################################################## -# Imports -################################################## -import fft_window -import common -from gnuradio import gr, fft -from gnuradio import analog -from gnuradio import blocks -from gnuradio.fft import logpwrfft -from pubsub import pubsub -from constants import * -import math - -################################################## -# FFT sink block (wrapper for old wxgui) -################################################## -class _fft_sink_base(gr.hier_block2, common.wxgui_hb): - """ - An fft block with real/complex inputs and a gui window. - """ - - def __init__( - self, - parent, - baseband_freq=0, - ref_scale=2.0, - y_per_div=10, - y_divs=8, - ref_level=50, - sample_rate=1, - fft_size=512, - fft_rate=fft_window.DEFAULT_FRAME_RATE, - average=False, - avg_alpha=None, - title='', - size=fft_window.DEFAULT_WIN_SIZE, - peak_hold=False, - win=None, - use_persistence=False, - persist_alpha=None, - **kwargs #do not end with a comma - ): - #ensure avg alpha - if avg_alpha is None: avg_alpha = 2.0/fft_rate - #ensure analog alpha - if persist_alpha is None: - actual_fft_rate=float(sample_rate/fft_size)/float(max(1,int(float((sample_rate/fft_size)/fft_rate)))) - #print "requested_fft_rate ",fft_rate - #print "actual_fft_rate ",actual_fft_rate - analog_cutoff_freq=0.5 # Hertz - #calculate alpha from wanted cutoff freq - persist_alpha = 1.0 - math.exp(-2.0*math.pi*analog_cutoff_freq/actual_fft_rate) - - #init - gr.hier_block2.__init__( - self, - "fft_sink", - gr.io_signature(1, 1, self._item_size), - gr.io_signature(0, 0, 0), - ) - #blocks - fft = self._fft_chain( - sample_rate=sample_rate, - fft_size=fft_size, - frame_rate=fft_rate, - ref_scale=ref_scale, - avg_alpha=avg_alpha, - average=average, - win=win, - ) - msgq = gr.msg_queue(2) - sink = blocks.message_sink(gr.sizeof_float*fft_size, msgq, True) - - - #controller - self.controller = pubsub() - self.controller.subscribe(AVERAGE_KEY, fft.set_average) - self.controller.publish(AVERAGE_KEY, fft.average) - self.controller.subscribe(AVG_ALPHA_KEY, fft.set_avg_alpha) - self.controller.publish(AVG_ALPHA_KEY, fft.avg_alpha) - self.controller.subscribe(SAMPLE_RATE_KEY, fft.set_sample_rate) - self.controller.publish(SAMPLE_RATE_KEY, fft.sample_rate) - #start input watcher - common.input_watcher(msgq, self.controller, MSG_KEY) - #create window - self.win = fft_window.fft_window( - parent=parent, - controller=self.controller, - size=size, - title=title, - real=self._real, - fft_size=fft_size, - baseband_freq=baseband_freq, - sample_rate_key=SAMPLE_RATE_KEY, - y_per_div=y_per_div, - y_divs=y_divs, - ref_level=ref_level, - average_key=AVERAGE_KEY, - avg_alpha_key=AVG_ALPHA_KEY, - peak_hold=peak_hold, - msg_key=MSG_KEY, - use_persistence=use_persistence, - persist_alpha=persist_alpha, - ) - common.register_access_methods(self, self.win) - setattr(self.win, 'set_baseband_freq', getattr(self, 'set_baseband_freq')) #BACKWARDS - setattr(self.win, 'set_peak_hold', getattr(self, 'set_peak_hold')) #BACKWARDS - #connect - self.wxgui_connect(self, fft, sink) - - def set_callback(self,callb): - self.win.set_callback(callb) - -class fft_sink_f(_fft_sink_base): - _fft_chain = logpwrfft.logpwrfft_f - _item_size = gr.sizeof_float - _real = True - -class fft_sink_c(_fft_sink_base): - _fft_chain = logpwrfft.logpwrfft_c - _item_size = gr.sizeof_gr_complex - _real = False - -# ---------------------------------------------------------------- -# Standalone test app -# ---------------------------------------------------------------- - -import wx -from gnuradio.wxgui import stdgui2 - -class test_app_block (stdgui2.std_top_block): - def __init__(self, frame, panel, vbox, argv): - stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv) - - fft_size = 256 - - # build our flow graph - input_rate = 2048.0e3 - - #Generate some noise - noise = analog.noise_source_c(analog.GR_UNIFORM, 1.0/10) - - # Generate a complex sinusoid - #src1 = analog.sig_source_c(input_rate, analog.GR_SIN_WAVE, 2e3, 1) - src1 = analog.sig_source_c(input_rate, analog.GR_CONST_WAVE, 57.50e3, 1) - - # We add these throttle blocks so that this demo doesn't - # suck down all the CPU available. Normally you wouldn't use these. - thr1 = blocks.throttle(gr.sizeof_gr_complex, input_rate) - - sink1 = fft_sink_c(panel, title="Complex Data", fft_size=fft_size, - sample_rate=input_rate, baseband_freq=100e3, - ref_level=0, y_per_div=20, y_divs=10) - vbox.Add(sink1.win, 1, wx.EXPAND) - - combine1 = blocks.add_cc() - self.connect(src1, (combine1,0)) - self.connect(noise,(combine1,1)) - self.connect(combine1,thr1, sink1) - - #src2 = analog.sig_source_f(input_rate, analog.GR_SIN_WAVE, 2e3, 1) - src2 = analog.sig_source_f (input_rate, analog.GR_CONST_WAVE, 57.50e3, 1) - thr2 = blocks.throttle(gr.sizeof_float, input_rate) - sink2 = fft_sink_f(panel, title="Real Data", fft_size=fft_size*2, - sample_rate=input_rate, baseband_freq=100e3, - ref_level=0, y_per_div=20, y_divs=10) - vbox.Add(sink2.win, 1, wx.EXPAND) - - combine2 = blocks.add_ff() - c2f2 = blocks.complex_to_float() - - self.connect(src2, (combine2,0)) - self.connect(noise,c2f2,(combine2,1)) - self.connect(combine2, thr2,sink2) - -def main (): - app = stdgui2.stdapp(test_app_block, "FFT Sink Test App") - app.MainLoop() - -if __name__ == '__main__': - main() |