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/* -*- c++ -*- */
/*
* @file
* @author (C) 2015-2017 by Piotr Krysik <ptrkrysik@gmail.com>
* @section LICENSE
*
* Gr-gsm 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.
*
* Gr-gsm 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 gr-gsm; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_GSM_CLOCK_OFFSET_CONTROL_IMPL_H
#define INCLUDED_GSM_CLOCK_OFFSET_CONTROL_IMPL_H
#include <grgsm/receiver/clock_offset_control.h>
#include <string>
namespace gr {
namespace gsm {
class clock_offset_control_impl : public clock_offset_control
{
private:
float d_fc;
float d_samp_rate;
unsigned int d_osr;
float d_alfa;
float d_ppm_estimate;
float d_last_ppm_estimate;
bool d_first_measurement;
int d_counter;
std::string d_last_state;
float d_current_time;
float d_last_fcch_time;
bool d_first_time;
void process_measurement(pmt::pmt_t msg);
void send_ctrl_messages(float freq_offset);
void timed_reset();
void reset();
public:
clock_offset_control_impl(float fc, float samp_rate, unsigned int osr);
~clock_offset_control_impl();
virtual void set_fc(float fc);
virtual void set_samp_rate(float samp_rate);
virtual void set_osr(unsigned int osr);
};
} // namespace gsm
} // namespace gr
#endif /* INCLUDED_GSM_CLOCK_OFFSET_CONTROL_IMPL_H */
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