diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2012-08-14 00:00:14 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2012-08-14 00:00:14 -0400 |
| commit | 48a95b3469febf4929c74f41beac6b33ab77566e (patch) | |
| tree | 09fcfa18252f4e629f1bdb280b7ef0a12e1f401b /gr-digital/include/digital/probe_density_b.h | |
| parent | 509fddb30a70862b31b0488acfbbdf523b48af0d (diff) | |
digital: converted mpsk snr and probes to new style.
Diffstat (limited to 'gr-digital/include/digital/probe_density_b.h')
| -rw-r--r-- | gr-digital/include/digital/probe_density_b.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gr-digital/include/digital/probe_density_b.h b/gr-digital/include/digital/probe_density_b.h new file mode 100644 index 000000000..7459663fe --- /dev/null +++ b/gr-digital/include/digital/probe_density_b.h @@ -0,0 +1,63 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008,2012 Free Software Foundation, Inc. + * + * 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_GR_PROBE_DENSITY_B_H +#define INCLUDED_GR_PROBE_DENSITY_B_H + +#include <digital/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace digital { + + /*! + * This block maintains a running average of the input stream and + * makes it available as an accessor function. The input stream + * is type unsigned char. + * + * If you send this block a stream of unpacked bytes, it will tell + * you what the bit density is. + * + * \param alpha Average filter constant + * + */ + class DIGITAL_API probe_density_b : virtual public gr_sync_block + { + public: + // gr::digital::probe_density_b::sptr + typedef boost::shared_ptr<probe_density_b> sptr; + + static sptr make(double alpha); + + /*! + * \brief Returns the current density value + */ + virtual double density() const = 0; + + /*! + * \brief Set the average filter constant + */ + virtual void set_alpha(double alpha) = 0; + }; + + } /* namespace digital */ +} /* namespace gr */ + +#endif /* INCLUDED_GR_PROBE_DENSITY_B_H */ |