From 463b962fe280c5515947498b4d0f4fd3b5993662 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Tue, 6 Nov 2012 12:25:58 -0500
Subject: analog: Removing all squelch blocks from gnuradio-core.
Also updating some Python blocks and examples to properly pull from filter and analog.
---
.../src/examples/tags/uhd_burst_detector.py | 116 ---------------------
1 file changed, 116 deletions(-)
delete mode 100755 gnuradio-core/src/examples/tags/uhd_burst_detector.py
(limited to 'gnuradio-core/src/examples')
diff --git a/gnuradio-core/src/examples/tags/uhd_burst_detector.py b/gnuradio-core/src/examples/tags/uhd_burst_detector.py
deleted file mode 100755
index 512fc715d7..0000000000
--- a/gnuradio-core/src/examples/tags/uhd_burst_detector.py
+++ /dev/null
@@ -1,116 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2011 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 gnuradio import eng_notation
-from gnuradio import gr
-from gnuradio import uhd
-from gnuradio import window
-from gnuradio.eng_option import eng_option
-from gnuradio.gr import firdes
-from optparse import OptionParser
-
-class uhd_burst_detector(gr.top_block):
- def __init__(self, uhd_address, options):
-
- gr.top_block.__init__(self)
-
- self.uhd_addr = uhd_address
- self.freq = options.freq
- self.samp_rate = options.samp_rate
- self.gain = options.gain
- self.threshold = options.threshold
- self.trigger = options.trigger
-
- self.uhd_src = uhd.single_usrp_source(
- device_addr=self.uhd_addr,
- stream_args=uhd.stream_args('fc32'))
-
- self.uhd_src.set_samp_rate(self.samp_rate)
- self.uhd_src.set_center_freq(self.freq, 0)
- self.uhd_src.set_gain(self.gain, 0)
-
- taps = firdes.low_pass_2(1, 1, 0.4, 0.1, 60)
- self.chanfilt = gr.fir_filter_ccc(10, taps)
- self.tagger = gr.burst_tagger(gr.sizeof_gr_complex)
-
- # Dummy signaler to collect a burst on known periods
- data = 1000*[0,] + 1000*[1,]
- self.signal = gr.vector_source_s(data, True)
-
- # Energy detector to get signal burst
- ## use squelch to detect energy
- self.det = gr.simple_squelch_cc(self.threshold, 0.01)
- ## convert to mag squared (float)
- self.c2m = gr.complex_to_mag_squared()
- ## average to debounce
- self.avg = gr.single_pole_iir_filter_ff(0.01)
- ## rescale signal for conversion to short
- self.scale = gr.multiply_const_ff(2**16)
- ## signal input uses shorts
- self.f2s = gr.float_to_short()
-
- # Use file sink burst tagger to capture bursts
- self.fsnk = gr.tagged_file_sink(gr.sizeof_gr_complex, self.samp_rate)
-
-
- ##################################################
- # Connections
- ##################################################
- self.connect((self.uhd_src, 0), (self.tagger, 0))
- self.connect((self.tagger, 0), (self.fsnk, 0))
-
- if self.trigger:
- # Connect a dummy signaler to the burst tagger
- self.connect((self.signal, 0), (self.tagger, 1))
-
- else:
- # Connect an energy detector signaler to the burst tagger
- self.connect(self.uhd_src, self.det)
- self.connect(self.det, self.c2m, self.avg, self.scale, self.f2s)
- self.connect(self.f2s, (self.tagger, 1))
-
- def set_samp_rate(self, samp_rate):
- self.samp_rate = samp_rate
- self.uhd_src_0.set_samp_rate(self.samp_rate)
-
-if __name__ == '__main__':
- parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
- parser.add_option("-a", "--address", type="string", default="addr=192.168.10.2",
- help="select address of the device [default=%default]")
- #parser.add_option("-A", "--antenna", default=None,
- # help="select Rx Antenna (only on RFX-series boards)")
- parser.add_option("-f", "--freq", type="eng_float", default=450e6,
- help="set frequency to FREQ", metavar="FREQ")
- parser.add_option("-g", "--gain", type="eng_float", default=0,
- help="set gain in dB [default=%default]")
- parser.add_option("-R", "--samp-rate", type="eng_float", default=200000,
- help="set USRP sample rate [default=%default]")
- parser.add_option("-t", "--threshold", type="float", default=-60,
- help="Set the detection power threshold (dBm) [default=%default")
- parser.add_option("-T", "--trigger", action="store_true", default=False,
- help="Use internal trigger instead of detector [default=%default]")
- (options, args) = parser.parse_args()
-
- uhd_addr = options.address
-
- tb = uhd_burst_detector(uhd_addr, options)
- tb.run()
--
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