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Diffstat (limited to 'gr-digital/lib/digital_clock_recovery_mm_ff.h')
| -rw-r--r-- | gr-digital/lib/digital_clock_recovery_mm_ff.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/gr-digital/lib/digital_clock_recovery_mm_ff.h b/gr-digital/lib/digital_clock_recovery_mm_ff.h deleted file mode 100644 index 6fc5ac261..000000000 --- a/gr-digital/lib/digital_clock_recovery_mm_ff.h +++ /dev/null @@ -1,98 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2004,2011 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. - */ - -#ifndef INCLUDED_DIGITAL_CLOCK_RECOVERY_MM_FF_H -#define INCLUDED_DIGITAL_CLOCK_RECOVERY_MM_FF_H - -#include <gr_block.h> -#include <gr_math.h> -#include <stdio.h> - -class gri_mmse_fir_interpolator; - -class digital_clock_recovery_mm_ff; -typedef boost::shared_ptr<digital_clock_recovery_mm_ff> digital_clock_recovery_mm_ff_sptr; - -// public constructor -digital_clock_recovery_mm_ff_sptr -digital_make_clock_recovery_mm_ff (float omega, float gain_omega, - float mu, float gain_mu, - float omega_relative_limit=0.001); - -/*! - * \brief Mueller and Müller (M&M) based clock recovery block with float input, float output. - * \ingroup sync_blk - * - * 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_clock_recovery_mm_ff : public gr_block -{ - public: - ~digital_clock_recovery_mm_ff (); - void forecast(int noutput_items, gr_vector_int &ninput_items_required); - int general_work (int noutput_items, - gr_vector_int &ninput_items, - gr_vector_const_void_star &input_items, - gr_vector_void_star &output_items); - float mu() const { return d_mu;} - float omega() const { return d_omega;} - float gain_mu() const { return d_gain_mu;} - float gain_omega() const { return d_gain_omega;} - - void set_gain_mu (float gain_mu) { d_gain_mu = gain_mu; } - void set_gain_omega (float gain_omega) { d_gain_omega = gain_omega; } - void set_mu (float mu) { d_mu = mu; } - void set_omega (float omega){ - d_omega = omega; - d_min_omega = omega*(1.0 - d_omega_relative_limit); - d_max_omega = omega*(1.0 + d_omega_relative_limit); - d_omega_mid = 0.5*(d_min_omega+d_max_omega); - } - -protected: - digital_clock_recovery_mm_ff (float omega, float gain_omega, float mu, float gain_mu, - float omega_relative_limit); - - private: - float d_mu; // fractional sample position [0.0, 1.0] - float d_omega; // nominal frequency - float d_min_omega; // minimum allowed omega - float d_omega_mid; // average omega - float d_max_omega; // maximum allowed omega - float d_gain_omega; // gain for adjusting omega - float d_gain_mu; // gain for adjusting mu - float d_last_sample; - gri_mmse_fir_interpolator *d_interp; - FILE *d_logfile; - float d_omega_relative_limit; // used to compute min and max omega - - friend digital_clock_recovery_mm_ff_sptr - digital_make_clock_recovery_mm_ff (float omega, float gain_omega, - float mu, float gain_mu, - float omega_relative_limit); -}; - -#endif |