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/* -*- c++ -*- */
/*
* Copyright 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_MPSK_SNR_EST_CC_IMPL_H
#define INCLUDED_DIGITAL_MPSK_SNR_EST_CC_IMPL_H
#include <gnuradio/digital/api.h>
#include <gnuradio/digital/mpsk_snr_est_cc.h>
#include <gnuradio/sync_block.h>
namespace gr {
namespace digital {
class mpsk_snr_est_cc_impl : public mpsk_snr_est_cc
{
private:
snr_est_type_t d_type;
int d_nsamples, d_count;
double d_alpha;
mpsk_snr_est *d_snr_est;
//d_key is the tag name, 'snr', d_me is the block name + unique ID
pmt::pmt_t d_key, d_me;
public:
mpsk_snr_est_cc_impl(snr_est_type_t type,
int tag_nsamples=10000,
double alpha=0.001);
~mpsk_snr_est_cc_impl();
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
//! Return the estimated signal-to-noise ratio in decibels
double snr();
//! Return the type of estimator in use
snr_est_type_t type() const;
//! Return how many samples between SNR tags
int tag_nsample() const;
//! Get the running-average coefficient
double alpha() const;
//! Set type of estimator to use
void set_type(snr_est_type_t t);
//! Set the number of samples between SNR tags
void set_tag_nsample(int n);
//! Set the running-average coefficient
void set_alpha(double alpha);
};
} /* namespace digital */
} /* namespace gr */
#endif /* INCLUDED_DIGITAL_MPSK_SNR_EST_CC_IMPL_H */
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