<?xml version="1.0"?> <!-- # # 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. --> <!-- ################################################### ##CTCSS Squelch ################################################### --> <block> <name>CTCSS Squelch</name> <key>gr_ctcss_squelch_ff</key> <import>from gnuradio import gr</import> <make>gr.ctcss_squelch_ff($rate, $freq, $level, $len, $ramp, $gate)</make> <callback>set_level($level)</callback> <param> <name>Sampling Rate (Hz)</name> <key>rate</key> <value>samp_rate</value> <type>real</type> </param> <param> <name>Tone Frequency</name> <key>freq</key> <value>100.0</value> <type>real</type> </param> <param> <name>Level</name> <key>level</key> <value>0.01</value> <type>real</type> </param> <param> <name>Length</name> <key>len</key> <value>0</value> <type>int</type> </param> <param> <name>Ramp</name> <key>ramp</key> <value>0</value> <type>int</type> </param> <param> <name>Gate</name> <key>gate</key> <value>False</value> <type>bool</type> </param> <sink> <name>in</name> <type>float</type> </sink> <source> <name>out</name> <type>float</type> </source> </block>