diff options
| author | Ben Reynwar <ben@reynwar.net> | 2013-03-07 23:27:44 -0700 |
|---|---|---|
| committer | Ben Reynwar <ben@reynwar.net> | 2013-03-07 23:27:44 -0700 |
| commit | ae30f247616b6229fb304e30fecf3f82ae09dbf6 (patch) | |
| tree | 74c1d6cd8300b44b6280c56bc4ad257c40390b3e /gr-analog/python/standard_squelch.py | |
| parent | e8b4e619479dd23d87c3aef042f2452f867a1e18 (diff) | |
analog: Enabling uninstalled python imports.
Diffstat (limited to 'gr-analog/python/standard_squelch.py')
| -rw-r--r-- | gr-analog/python/standard_squelch.py | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/gr-analog/python/standard_squelch.py b/gr-analog/python/standard_squelch.py deleted file mode 100644 index 3ed9ebceaa..0000000000 --- a/gr-analog/python/standard_squelch.py +++ /dev/null @@ -1,78 +0,0 @@ -# -# Copyright 2005,2007,2012 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. -# - -import math -from gnuradio import gr -from gnuradio import blocks -from gnuradio import filter - -class standard_squelch(gr.hier_block2): - def __init__(self, audio_rate): - gr.hier_block2.__init__(self, "standard_squelch", - gr.io_signature(1, 1, gr.sizeof_float), # Input signature - gr.io_signature(1, 1, gr.sizeof_float)) # Output signature - - self.input_node = blocks.add_const_ff(0) # FIXME kludge - - self.low_iir = filter.iir_filter_ffd((0.0193,0,-0.0193),(1,1.9524,-0.9615)) - self.low_square = blocks.multiply_ff() - self.low_smooth = filter.single_pole_iir_filter_ff(1/(0.01*audio_rate)) # 100ms time constant - - self.hi_iir = filter.iir_filter_ffd((0.0193,0,-0.0193),(1,1.3597,-0.9615)) - self.hi_square = blocks.multiply_ff() - self.hi_smooth = filter.single_pole_iir_filter_ff(1/(0.01*audio_rate)) - - self.sub = blocks.sub_ff(); - self.add = blocks.add_ff(); - self.gate = blocks.threshold_ff(0.3,0.43,0) - self.squelch_lpf = filter.single_pole_iir_filter_ff(1/(0.01*audio_rate)) - - self.div = blocks.divide_ff() - self.squelch_mult = blocks.multiply_ff() - - self.connect(self, self.input_node) - self.connect(self.input_node, (self.squelch_mult, 0)) - - self.connect(self.input_node,self.low_iir) - self.connect(self.low_iir,(self.low_square,0)) - self.connect(self.low_iir,(self.low_square,1)) - self.connect(self.low_square,self.low_smooth,(self.sub,0)) - self.connect(self.low_smooth, (self.add,0)) - - self.connect(self.input_node,self.hi_iir) - self.connect(self.hi_iir,(self.hi_square,0)) - self.connect(self.hi_iir,(self.hi_square,1)) - self.connect(self.hi_square,self.hi_smooth,(self.sub,1)) - self.connect(self.hi_smooth, (self.add,1)) - - self.connect(self.sub, (self.div, 0)) - self.connect(self.add, (self.div, 1)) - self.connect(self.div, self.gate, self.squelch_lpf, (self.squelch_mult,1)) - self.connect(self.squelch_mult, self) - - def set_threshold(self, threshold): - self.gate.set_hi(threshold) - - def threshold(self): - return self.gate.hi() - - def squelch_range(self): - return (0.0, 1.0, 1.0/100) |