mirror of https://github.com/gnss-sdr/gnss-sdr
106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
/*!
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* \file galileo_cnav_message.h
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* \brief Implementation of a Galileo CNAV Data message as described in
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* Galileo High Accuracy Service Signal-In-Space Interface Control Document
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* (HAS SIS ICD) Issue 1.0, May 2022
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* \author Carles Fernandez-Prades, 2020-2022 cfernandez(at)cttc.es
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*
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* -----------------------------------------------------------------------------
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*
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* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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* This file is part of GNSS-SDR.
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*
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* Copyright (C) 2010-2022 (see AUTHORS file for a list of contributors)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* -----------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_GALILEO_CNAV_MESSAGE_H
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#define GNSS_SDR_GALILEO_CNAV_MESSAGE_H
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#include "Galileo_CNAV.h"
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#include "galileo_has_page.h"
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#include <bitset>
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#include <cstdint>
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#include <string>
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#include <utility>
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/** \addtogroup Core
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* \{ */
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/** \addtogroup System_Parameters
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* \{ */
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/*!
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* \brief This class handles the Galileo CNAV Data message, as described in the
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* Galileo High Accuracy Service Signal-In-Space Interface Control Document
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* (HAS SIS ICD) Issue 1.0, May 2022
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*/
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class Galileo_Cnav_Message
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{
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public:
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Galileo_Cnav_Message() = default;
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void read_HAS_page(const std::string& page_string);
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inline bool is_HAS_in_test_mode() const
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{
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return d_test_mode;
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}
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inline bool is_HAS_page_dummy() const
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{
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return d_page_dummy;
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}
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inline bool have_new_HAS_page() const
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{
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return d_new_HAS_page;
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}
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inline Galileo_HAS_page get_HAS_encoded_page() const
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{
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return has_page;
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}
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inline bool get_flag_CRC_test() const
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{
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return d_flag_CRC_test;
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}
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inline void set_time_stamp(uint64_t time_stamp)
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{
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has_page.time_stamp = time_stamp;
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}
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inline void set_tow(uint32_t tow)
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{
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has_page.tow = tow;
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}
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private:
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uint8_t read_has_page_header_parameter(const std::bitset<GALILEO_CNAV_PAGE_HEADER_BITS>& bits, const std::pair<int32_t, int32_t>& parameter) const;
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bool CRC_test(const std::bitset<GALILEO_CNAV_BITS_FOR_CRC>& bits, uint32_t checksum) const;
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void read_HAS_page_header(const std::string& page_string);
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Galileo_HAS_page has_page{};
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uint8_t d_has_page_status{};
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uint8_t d_has_reserved{};
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uint8_t d_received_message_page_id{};
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uint8_t d_received_message_type{};
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uint8_t d_received_message_id{};
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uint8_t d_received_message_size{};
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bool d_test_mode{};
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bool d_flag_CRC_test{};
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bool d_page_dummy{};
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bool d_new_HAS_page{};
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};
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/** \} */
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/** \} */
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#endif // GNSS_SDR_GALILEO_CNAV_MESSAGE_H
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