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Diffstat (limited to 'gr-wxgui/src/python/waterfallsink_gl.py')
| -rw-r--r-- | gr-wxgui/src/python/waterfallsink_gl.py | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/gr-wxgui/src/python/waterfallsink_gl.py b/gr-wxgui/src/python/waterfallsink_gl.py new file mode 100644 index 000000000..b69c5dda0 --- /dev/null +++ b/gr-wxgui/src/python/waterfallsink_gl.py @@ -0,0 +1,173 @@ +# +# Copyright 2008,2009 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. +# + +################################################## +# Imports +################################################## +import waterfall_window +import common +from gnuradio import gr, blks2 +from pubsub import pubsub +from constants import * + +################################################## +# Waterfall sink block (wrapper for old wxgui) +################################################## +class _waterfall_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_level=50, + sample_rate=1, + fft_size=512, + fft_rate=waterfall_window.DEFAULT_FRAME_RATE, + average=False, + avg_alpha=None, + title='', + size=waterfall_window.DEFAULT_WIN_SIZE, + ref_scale=2.0, + dynamic_range=80, + num_lines=256, + win=None, + **kwargs #do not end with a comma + ): + #ensure avg alpha + if avg_alpha is None: avg_alpha = 2.0/fft_rate + #init + gr.hier_block2.__init__( + self, + "waterfall_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 = gr.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) + self.controller.subscribe(DECIMATION_KEY, fft.set_decimation) + self.controller.publish(DECIMATION_KEY, fft.decimation) + self.controller.subscribe(FRAME_RATE_KEY, fft.set_vec_rate) + self.controller.publish(FRAME_RATE_KEY, fft.frame_rate) + #start input watcher + common.input_watcher(msgq, self.controller, MSG_KEY) + #create window + self.win = waterfall_window.waterfall_window( + parent=parent, + controller=self.controller, + size=size, + title=title, + real=self._real, + fft_size=fft_size, + num_lines=num_lines, + baseband_freq=baseband_freq, + decimation_key=DECIMATION_KEY, + sample_rate_key=SAMPLE_RATE_KEY, + frame_rate_key=FRAME_RATE_KEY, + dynamic_range=dynamic_range, + ref_level=ref_level, + average_key=AVERAGE_KEY, + avg_alpha_key=AVG_ALPHA_KEY, + msg_key=MSG_KEY, + ) + common.register_access_methods(self, self.win) + setattr(self.win, 'set_baseband_freq', getattr(self, 'set_baseband_freq')) #BACKWARDS + #connect + self.wxgui_connect(self, fft, sink) + + def set_callback(self,callb): + self.win.set_callback(callb) + +class waterfall_sink_f(_waterfall_sink_base): + _fft_chain = blks2.logpwrfft_f + _item_size = gr.sizeof_float + _real = True + +class waterfall_sink_c(_waterfall_sink_base): + _fft_chain = blks2.logpwrfft_c + _item_size = gr.sizeof_gr_complex + _real = False + +# ---------------------------------------------------------------- +# Standalone test app +# ---------------------------------------------------------------- + +import wx +from gnuradio.wxgui import stdgui2 + +class test_top_block (stdgui2.std_top_block): + def __init__(self, frame, panel, vbox, argv): + stdgui2.std_top_block.__init__ (self, frame, panel, vbox, argv) + + fft_size = 512 + + # build our flow graph + input_rate = 20.000e3 + + # Generate a complex sinusoid + self.src1 = gr.sig_source_c (input_rate, gr.GR_SIN_WAVE, 5.75e3, 1000) + #src1 = gr.sig_source_c (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1000) + + # We add these throttle blocks so that this demo doesn't + # suck down all the CPU available. Normally you wouldn't use these. + self.thr1 = gr.throttle(gr.sizeof_gr_complex, input_rate) + + sink1 = waterfall_sink_c (panel, title="Complex Data", fft_size=fft_size, + sample_rate=input_rate, baseband_freq=100e3) + self.connect(self.src1, self.thr1, sink1) + vbox.Add (sink1.win, 1, wx.EXPAND) + + # generate a real sinusoid + self.src2 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 5.75e3, 1000) + self.thr2 = gr.throttle(gr.sizeof_float, input_rate) + sink2 = waterfall_sink_f (panel, title="Real Data", fft_size=fft_size, + sample_rate=input_rate, baseband_freq=100e3) + self.connect(self.src2, self.thr2, sink2) + vbox.Add (sink2.win, 1, wx.EXPAND) + + +def main (): + app = stdgui2.stdapp (test_top_block, "Waterfall Sink Test App") + app.MainLoop () + +if __name__ == '__main__': + main () + |