Imported Upstream version 3.2.2

[debian/gnuradio] / gnuradio-core / src / python / gnuradio / blksimpl / standard_squelch.py

diff --git a/gnuradio-core/src/python/gnuradio/blksimpl/standard_squelch.py b/gnuradio-core/src/python/gnuradio/blksimpl/standard_squelch.py
deleted file mode 100644 (file)
index b2b9451..0000000
--- a/gnuradio-core/src/python/gnuradio/blksimpl/standard_squelch.py
+++ /dev/null
@@ -1,73 +0,0 @@
-#
-# Copyright 2005 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, optfir
-
-class standard_squelch(gr.hier_block):
-    def __init__(self, fg, audio_rate):
-    
-        self.input_node = gr.add_const_ff(0)          # FIXME kludge
-        
-        self.low_iir = gr.iir_filter_ffd((0.0193,0,-0.0193),(1,1.9524,-0.9615))
-        self.low_square = gr.multiply_ff()
-        self.low_smooth = gr.single_pole_iir_filter_ff(1/(0.01*audio_rate))   # 100ms time constant
-
-        self.hi_iir = gr.iir_filter_ffd((0.0193,0,-0.0193),(1,1.3597,-0.9615))
-        self.hi_square = gr.multiply_ff()
-        self.hi_smooth = gr.single_pole_iir_filter_ff(1/(0.01*audio_rate))
-
-        self.sub = gr.sub_ff();
-        self.add = gr.add_ff();
-        self.gate = gr.threshold_ff(0.3,0.43,0)
-        self.squelch_lpf = gr.single_pole_iir_filter_ff(1/(0.01*audio_rate))
-
-        self.div = gr.divide_ff()
-        self.squelch_mult = gr.multiply_ff()
-
-        fg.connect (self.input_node, (self.squelch_mult, 0))
-
-        fg.connect (self.input_node,self.low_iir)
-        fg.connect (self.low_iir,(self.low_square,0))
-        fg.connect (self.low_iir,(self.low_square,1))
-        fg.connect (self.low_square,self.low_smooth,(self.sub,0))
-        fg.connect (self.low_smooth, (self.add,0))
-
-        fg.connect (self.input_node,self.hi_iir)
-        fg.connect (self.hi_iir,(self.hi_square,0))
-        fg.connect (self.hi_iir,(self.hi_square,1))
-        fg.connect (self.hi_square,self.hi_smooth,(self.sub,1))
-        fg.connect (self.hi_smooth, (self.add,1))
-
-        fg.connect (self.sub, (self.div, 0))
-        fg.connect (self.add, (self.div, 1))
-        fg.connect (self.div, self.gate, self.squelch_lpf, (self.squelch_mult,1))
-
-        gr.hier_block.__init__(self, fg, self.input_node, self.squelch_mult)
-
-    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)