diff options
| author | Johnathan Corgan <johnathan@corganlabs.com> | 2013-04-29 16:41:11 -0700 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2013-04-29 16:41:11 -0700 |
| commit | 32c540335fb8469b781932edaa4f5abd355cda25 (patch) | |
| tree | 348210de3d3698c29fa5a2a315d72b80f9593fb2 /gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h | |
| parent | 08eb4d31a46cd1e15b44036faff52a7e0278fa4a (diff) | |
analog: update include dir to gnuradio/analog
Diffstat (limited to 'gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h')
| -rw-r--r-- | gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h b/gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h new file mode 100644 index 0000000000..f9ecc88a03 --- /dev/null +++ b/gr-analog/include/gnuradio/analog/ctcss_squelch_ff.h @@ -0,0 +1,77 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2012 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_CTCSS_SQUELCH_FF_H +#define INCLUDED_ANALOG_CTCSS_SQUELCH_FF_H + +#include <gnuradio/analog/api.h> +#include <gnuradio/analog/squelch_base_ff.h> +#include <gnuradio/block.h> + +namespace gr { + namespace analog { + + /*! + * \brief gate or zero output if CTCSS tone not present + * \ingroup level_controllers_blk + */ + class ANALOG_API ctcss_squelch_ff : + public squelch_base_ff, virtual public block + { + protected: + virtual void update_state(const float &in) = 0; + virtual bool mute() const = 0; + + public: + // gr::analog::ctcss_squelch_ff::sptr + typedef boost::shared_ptr<ctcss_squelch_ff> sptr; + + /*! + * \brief Make CTCSS tone squelch block. + * + * \param rate gain of the internal frequency filters. + * \param freq frequency value to use as the squelch tone. + * \param level threshold level for the squelch tone. + * \param len length of the frequency filters. + * \param ramp sets response characteristic. + * \param gate if true, no output if no squelch tone. + * if false, output 0's if no squelch tone. + */ + static sptr make(int rate, float freq, float level, + int len, int ramp, bool gate); + + virtual std::vector<float> squelch_range() const = 0; + virtual float level() const = 0; + virtual void set_level(float level) = 0; + virtual int len() const = 0; + + virtual int ramp() const = 0; + virtual void set_ramp(int ramp) = 0; + virtual bool gate() const = 0; + virtual void set_gate(bool gate) = 0; + virtual bool unmuted() const = 0; + }; + + } /* namespace analog */ +} /* namespace gr */ + +#endif /* INCLUDED_ANALOG_CTCSS_SQUELCH_FF_H */ |