gnss-sdr/src/algorithms/acquisition/gnuradio_blocks/gps_l1_ca_gps_sdr_acquisiti...

154 lines
4.3 KiB
C++

/*!
* \file gps_l1_ca_gps_sdr_acquisition_ss.h
* \brief Brief description of the file here
* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
* Luis Esteve, 2011. luis(at)epsilon-formacion.com
*
* Detailed description of the file here if needed.
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2011 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR 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 of the License, or
* at your option) any later version.
*
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_GPS_L1_CA_GPS_SDR_ACQUISITION_SS_H
#define GNSS_SDR_GPS_L1_CA_GPS_SDR_ACQUISITION_SS_H
#include <fstream>
#include <gnuradio/gr_block.h>
#include <gnuradio/gr_msg_queue.h>
#include "gps_sdr_signal_processing.h"
#include <queue>
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include "concurrent_queue.h"
class FFT;
class gps_l1_ca_gps_sdr_acquisition_ss;
typedef boost::shared_ptr<gps_l1_ca_gps_sdr_acquisition_ss>
gps_l1_ca_gps_sdr_acquisition_ss_sptr;
gps_l1_ca_gps_sdr_acquisition_ss_sptr
gps_l1_ca_gps_sdr_make_acquisition_ss(unsigned int sampled_ms, long freq,
long fs_in, int samples_per_ms, gr_msg_queue_sptr queue, bool dump,
std::string dump_filename);
class gps_l1_ca_gps_sdr_acquisition_ss: public gr_block
{
private:
friend gps_l1_ca_gps_sdr_acquisition_ss_sptr
gps_l1_ca_gps_sdr_make_acquisition_ss(unsigned int sampled_ms, long freq,
long fs_in, int samples_per_ms, gr_msg_queue_sptr queue,
bool dump, std::string dump_filename);
gps_l1_ca_gps_sdr_acquisition_ss(unsigned int sampled_ms, long freq,
long fs_in, int samples_per_ms, gr_msg_queue_sptr queue,
bool dump, std::string dump_filename);
long d_fs_in;
long d_freq;
int d_samples_per_ms;
unsigned int d_satellite;
float d_threshold;
unsigned int d_doppler_max;
unsigned int d_doppler_resolution;
unsigned int d_sampled_ms;
unsigned int d_fft_size;
unsigned long int d_sample_counter;
unsigned long int d_acq_sample_stamp;
CPX* d_baseband_signal;
CPX* d_baseband_signal_shift;
CPX* d_sine_if;
CPX* d_sine_250;
CPX* d_sine_500;
CPX* d_sine_750;
FFT* d_pFFT;
FFT* d_piFFT;
CPX* d_fft_codes[32];
signed int d_prn_code_phase;
float d_doppler_freq_shift;
unsigned int d_mag;
gr_msg_queue_sptr d_queue;
concurrent_queue<int> *d_channel_internal_queue;
std::ofstream d_dump_file;
bool d_active;
bool d_dump;
unsigned int d_channel;
std::string d_dump_filename;
public:
~gps_l1_ca_gps_sdr_acquisition_ss();
signed int prn_code_phase();
float doppler_freq_phase()
{
return d_doppler_freq_shift;
}
unsigned int mag()
{
return d_mag;
}
unsigned long int get_sample_stamp()
{
return d_acq_sample_stamp;
}
void set_satellite(unsigned int satellite);
void set_active(bool active)
{
d_active = active;
}
void set_channel(unsigned int channel)
{
d_channel = channel;
}
void set_threshold(float threshold)
{
d_threshold = threshold;
}
void set_doppler_max(unsigned int doppler_max)
{
d_doppler_max = doppler_max;
}
void set_channel_queue(concurrent_queue<int> *channel_internal_queue)
{
d_channel_internal_queue = channel_internal_queue;
}
int general_work(int noutput_items, gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
#endif /* GNSS_SDR_GPS_L1_CA_GPS_SDR_ACQUISITION_SS_H */