diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2012-08-09 21:30:50 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2012-08-09 21:30:50 -0400 |
| commit | 4fcfe4fc01207dfaa941c6b334a7d8e40ccfcb81 (patch) | |
| tree | 9755e357958abd54fff2cfb0ae0207084d859536 /gr-digital/include/digital/clock_recovery_mm_ff.h | |
| parent | 45502b80d28e2051f5f7780e0c386147f0976798 (diff) | |
digital: converted clock recovery MM loops (cc and ff).
Diffstat (limited to 'gr-digital/include/digital/clock_recovery_mm_ff.h')
| -rw-r--r-- | gr-digital/include/digital/clock_recovery_mm_ff.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/gr-digital/include/digital/clock_recovery_mm_ff.h b/gr-digital/include/digital/clock_recovery_mm_ff.h new file mode 100644 index 0000000000..3ef9590e60 --- /dev/null +++ b/gr-digital/include/digital/clock_recovery_mm_ff.h @@ -0,0 +1,69 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2011,2012 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_DIGITAL_CLOCK_RECOVERY_MM_FF_H +#define INCLUDED_DIGITAL_CLOCK_RECOVERY_MM_FF_H + +#include <digital/api.h> +#include <gr_block.h> + +namespace gr { + namespace digital { + + /*! + * \brief Mueller and Müller (M&M) based clock recovery block with float input, float output. + * \ingroup sync_blk + * \ingroup digital + * + * This implements the Mueller and Müller (M&M) discrete-time + * error-tracking synchronizer. + * + * See "Digital Communication Receivers: Synchronization, Channel + * Estimation and Signal Processing" by Heinrich Meyr, Marc + * Moeneclaey, & Stefan Fechtel. ISBN 0-471-50275-8. + */ + class DIGITAL_API clock_recovery_mm_ff : virtual public gr_block + { + public: + // gr::digital::clock_recovery_mm_ff::sptr + typedef boost::shared_ptr<clock_recovery_mm_ff> sptr; + + sptr make(float omega, float gain_omega, + float mu, float gain_mu, + float omega_relative_limit); + + virtual float mu() const = 0; + virtual float omega() const = 0; + virtual float gain_mu() const = 0; + virtual float gain_omega() const = 0; + + virtual void set_verbose(bool verbose) = 0; + virtual void set_gain_mu (float gain_mu) = 0; + virtual void set_gain_omega (float gain_omega) = 0; + virtual void set_mu (float mu) = 0; + virtual void set_omega (float omega) = 0; + }; + + } /* namespace digital */ +} /* namespace gr */ + +#endif /* INCLUDED_DIGITAL_CLOCK_RECOVERY_MM_FF_H */ |