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author | Tom Rondeau | 2012-10-31 16:28:53 -0400 |
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committer | Tom Rondeau | 2012-10-31 16:28:53 -0400 |
commit | ac9430cd39bf12395952ca49b1966ec428fdadf3 (patch) | |
tree | c0458aace8a79df8a0595b837c709d5b982ce33f /gr-analog/include/analog/simple_squelch_cc.h | |
parent | fa4f1c2fcec8536c9d71607a0a710878cb6010ff (diff) | |
parent | 21beb2a5dc1e589873b49836190c3caf354c86f7 (diff) | |
download | gnuradio-ac9430cd39bf12395952ca49b1966ec428fdadf3.tar.gz gnuradio-ac9430cd39bf12395952ca49b1966ec428fdadf3.tar.bz2 gnuradio-ac9430cd39bf12395952ca49b1966ec428fdadf3.zip |
Merge branch 'analog'
Diffstat (limited to 'gr-analog/include/analog/simple_squelch_cc.h')
-rw-r--r-- | gr-analog/include/analog/simple_squelch_cc.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gr-analog/include/analog/simple_squelch_cc.h b/gr-analog/include/analog/simple_squelch_cc.h new file mode 100644 index 000000000..1e12646e4 --- /dev/null +++ b/gr-analog/include/analog/simple_squelch_cc.h @@ -0,0 +1,62 @@ +/* -*- c++ -*- */ +/* + * Copyright 2005,2012 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. + */ + +#ifndef INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H +#define INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H + +#include <analog/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace analog { + + /*! + * \brief simple squelch block based on average signal power and threshold in dB. + * \ingroup level_blk + */ + class ANALOG_API simple_squelch_cc : virtual public gr_sync_block + { + public: + // gr::analog::simple_squelch_cc::sptr + typedef boost::shared_ptr<simple_squelch_cc> sptr; + + /*! + * \brief Make a simple squelch block. + * + * \param threshold_db Threshold for muting. + * \param alpha Gain parameter for the running average filter. + */ + static sptr make(double threshold_db, double alpha); + + virtual bool unmuted() const = 0; + + virtual void set_alpha(double alpha) = 0; + virtual void set_threshold(double decibels) = 0; + + virtual double threshold() const = 0; + virtual std::vector<float> squelch_range() const = 0; + }; + + } /* namespace analog */ +} /* namespace gr */ + +#endif /* INCLUDED_ANALOG_SIMPLE_SQUELCH_CC_H */ |