OpenRTX/openrtx/include/protocols/M17/M17Callsign.hpp

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2.7 KiB
C++

/***************************************************************************
* Copyright (C) 2021 - 2023 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Frederik Saraci IU2NRO *
* Silvano Seva IU2KWO *
* *
* This program 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. *
* *
* This program 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 this program; if not, see <http://www.gnu.org/licenses/> *
***************************************************************************/
#ifndef M17_CALLSIGN_H
#define M17_CALLSIGN_H
#ifndef __cplusplus
#error This header is C++ only!
#endif
#include <string>
#include "M17Datatypes.hpp"
namespace M17
{
/**
* Encode a callsign in base-40 format, starting with the right-most character.
* The final value is written out in "big-endian" form, with the most-significant
* value first, leading to 0-padding of callsigns shorter than nine characters.
*
* \param callsign the callsign to encode.
* \param encodedCall call_t data structure where to put the encoded data.
* \param strict a flag (disabled by default) which indicates whether invalid
* characters are allowed and assigned a value of 0 or not allowed, making the
* function return an error.
* @return true if the callsign was successfully encoded, false on error.
*/
bool encode_callsign(const std::string& callsign, call_t& encodedCall,
bool strict = false);
/**
* Decode a base-40 encoded callsign to its text representation. This decodes
* a 6-byte big-endian value into a string of up to 9 characters.
*
* \param encodedCall base-40 encoded callsign.
* \return a string containing the decoded text.
*/
std::string decode_callsign(const call_t& encodedCall);
} // namespace M17
#endif // M17_CALLSIGN_H