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gnss-sdr/src/algorithms/libs/gps_sdr_signal_replica.h
2021-10-02 02:32:18 +02:00

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1.7 KiB
C++

/*!
* \file gps_sdr_signal_replica.h
* \brief This file implements functions for GPS L1 C/A signal replica
* generation
* \author Javier Arribas, 2011. jarribas(at)cttc.es
*
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_GPS_SDR_SIGNAL_REPLICA_H
#define GNSS_SDR_GPS_SDR_SIGNAL_REPLICA_H
#include <complex>
#include <cstdint>
#if HAS_STD_SPAN
#include <span>
namespace own = std;
#else
#include <gsl/gsl-lite.hpp>
namespace own = gsl;
#endif
/** \addtogroup Algorithms_Library
* \{ */
/** \addtogroup Algorithm_libs algorithms_libs
* \{ */
//! Generates int GPS L1 C/A code for the desired SV ID and code shift
void gps_l1_ca_code_gen_int(own::span<int32_t> dest, int32_t prn, uint32_t chip_shift);
//! Generates float GPS L1 C/A code for the desired SV ID and code shift
void gps_l1_ca_code_gen_float(own::span<float> dest, int32_t prn, uint32_t chip_shift);
//! Generates complex GPS L1 C/A code for the desired SV ID and code shift
void gps_l1_ca_code_gen_complex(own::span<std::complex<float>> dest, int32_t prn, uint32_t chip_shift);
//! Generates complex GPS L1 C/A code for the desired SV ID and code shift, and sampled to specific sampling frequency
void gps_l1_ca_code_gen_complex_sampled(own::span<std::complex<float>> dest, uint32_t prn, int32_t sampling_freq, uint32_t chip_shift);
/** \} */
/** \} */
#endif // GNSS_SDR_GPS_SDR_SIGNAL_REPLICA_H