mirror of https://github.com/gnss-sdr/gnss-sdr
155 lines
4.3 KiB
C
155 lines
4.3 KiB
C
|
/*!
|
||
|
* \file gps_l1_ca_pcps_assisted_acquisition.h
|
||
|
* \brief Adapts a PCPS Assisted acquisition block to an AcquisitionInterface for
|
||
|
* GPS L1 C/A signals
|
||
|
* \authors <ul>
|
||
|
* <li> Javier Arribas, 2011. jarribas(at)cttc.es
|
||
|
* </ul> *
|
||
|
*
|
||
|
* -------------------------------------------------------------------------
|
||
|
*
|
||
|
* Copyright (C) 2010-2012 (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_PCPS_ASSISTED_ACQUISITION_H_
|
||
|
#define GNSS_SDR_GPS_L1_CA_PCPS_ASSISTED_ACQUISITION_H_
|
||
|
|
||
|
#include "gnss_synchro.h"
|
||
|
#include "acquisition_interface.h"
|
||
|
#include "pcps_assisted_acquisition_cc.h"
|
||
|
#include <gnuradio/gr_msg_queue.h>
|
||
|
#include <gnuradio/blocks/stream_to_vector.h>
|
||
|
|
||
|
|
||
|
class ConfigurationInterface;
|
||
|
|
||
|
/*!
|
||
|
* \brief This class adapts a PCPS acquisition block to an AcquisitionInterface
|
||
|
* for GPS L1 C/A signals
|
||
|
*/
|
||
|
class GpsL1CaPcpsAssistedAcquisition: public AcquisitionInterface
|
||
|
{
|
||
|
public:
|
||
|
GpsL1CaPcpsAssistedAcquisition(ConfigurationInterface* configuration,
|
||
|
std::string role, unsigned int in_streams,
|
||
|
unsigned int out_streams, gr_msg_queue_sptr queue);
|
||
|
|
||
|
virtual ~GpsL1CaPcpsAssistedAcquisition();
|
||
|
|
||
|
std::string role()
|
||
|
{
|
||
|
return role_;
|
||
|
}
|
||
|
|
||
|
/*!
|
||
|
* \brief Returns "GPS_L1_CA_PCPS_Assisted_Acquisition"
|
||
|
*/
|
||
|
std::string implementation()
|
||
|
{
|
||
|
return "GPS_L1_CA_PCPS_Assisted_Acquisition";
|
||
|
}
|
||
|
size_t item_size()
|
||
|
{
|
||
|
return item_size_;
|
||
|
}
|
||
|
|
||
|
void connect(gr_top_block_sptr top_block);
|
||
|
void disconnect(gr_top_block_sptr top_block);
|
||
|
gr_basic_block_sptr get_left_block();
|
||
|
gr_basic_block_sptr get_right_block();
|
||
|
|
||
|
/*!
|
||
|
* \brief Set acquisition/tracking common Gnss_Synchro object pointer
|
||
|
* to efficiently exchange synchronization data between acquisition and
|
||
|
* tracking blocks
|
||
|
*/
|
||
|
void set_gnss_synchro(Gnss_Synchro* p_gnss_synchro);
|
||
|
|
||
|
/*!
|
||
|
* \brief Set acquisition channel unique ID
|
||
|
*/
|
||
|
void set_channel(unsigned int channel);
|
||
|
|
||
|
/*!
|
||
|
* \brief Set statistics threshold of PCPS algorithm
|
||
|
*/
|
||
|
void set_threshold(float threshold);
|
||
|
|
||
|
/*!
|
||
|
* \brief Set maximum Doppler off grid search
|
||
|
*/
|
||
|
void set_doppler_max(unsigned int doppler_max);
|
||
|
|
||
|
/*!
|
||
|
* \brief Set Doppler steps for the grid search
|
||
|
*/
|
||
|
void set_doppler_step(unsigned int doppler_step);
|
||
|
|
||
|
/*!
|
||
|
* \brief Set tracking channel internal queue
|
||
|
*/
|
||
|
void set_channel_queue(concurrent_queue<int> *channel_internal_queue);
|
||
|
|
||
|
/*!
|
||
|
* \brief Initializes acquisition algorithm.
|
||
|
*/
|
||
|
void init();
|
||
|
|
||
|
/*!
|
||
|
* \brief Returns the maximum peak of grid search
|
||
|
*/
|
||
|
signed int mag();
|
||
|
|
||
|
/*!
|
||
|
* \brief Restart acquisition algorithm
|
||
|
*/
|
||
|
void reset();
|
||
|
|
||
|
private:
|
||
|
pcps_assisted_acquisition_cc_sptr acquisition_cc_;
|
||
|
size_t item_size_;
|
||
|
std::string item_type_;
|
||
|
unsigned int vector_length_;
|
||
|
//unsigned int satellite_;
|
||
|
unsigned int channel_;
|
||
|
float threshold_;
|
||
|
unsigned int doppler_max_;
|
||
|
unsigned int doppler_step_;
|
||
|
unsigned int shift_resolution_;
|
||
|
unsigned int sampled_ms_;
|
||
|
int max_dwells_;
|
||
|
long fs_in_;
|
||
|
long if_;
|
||
|
bool dump_;
|
||
|
std::string dump_filename_;
|
||
|
std::complex<float> * code_;
|
||
|
Gnss_Synchro * gnss_synchro_;
|
||
|
std::string role_;
|
||
|
unsigned int in_streams_;
|
||
|
unsigned int out_streams_;
|
||
|
gr_msg_queue_sptr queue_;
|
||
|
concurrent_queue<int> *channel_internal_queue_;
|
||
|
};
|
||
|
|
||
|
#endif /* GNSS_SDR_GPS_L1_CA_PCPS_ASSISTED_ACQUISITION_H_ */
|