You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
2.2 KiB
58 lines
2.2 KiB
/**
|
|
* Digital Voice Modem - Host Software
|
|
* GPLv2 Open Source. Use is subject to license terms.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* @package DVM / Host Software
|
|
*
|
|
*/
|
|
//
|
|
// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
|
|
// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
|
|
//
|
|
/*
|
|
* Copyright (C) 2016 by Jonathan Naylor G4KLX
|
|
*
|
|
* 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 2 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, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
#if !defined(__P25_UTILS_H__)
|
|
#define __P25_UTILS_H__
|
|
|
|
#include "Defines.h"
|
|
|
|
namespace p25
|
|
{
|
|
// ---------------------------------------------------------------------------
|
|
// Class Declaration
|
|
// This class implements various helper functions for interleaving P25
|
|
// data.
|
|
// ---------------------------------------------------------------------------
|
|
|
|
class HOST_SW_API P25Utils {
|
|
public:
|
|
/// <summary>Decode bit interleaving.</summary>
|
|
static uint32_t decode(const uint8_t* in, uint8_t* out, uint32_t start, uint32_t stop);
|
|
/// <summary>Encode bit interleaving.</summary>
|
|
static uint32_t encode(const uint8_t* in, uint8_t* out, uint32_t start, uint32_t stop);
|
|
/// <summary>Encode bit interleaving for a given length.</summary>
|
|
static uint32_t encode(const uint8_t* in, uint8_t* out, uint32_t length);
|
|
|
|
/// <summary>Compare two datasets for the given length.</summary>
|
|
static uint32_t compare(const uint8_t* data1, const uint8_t* data2, uint32_t length);
|
|
};
|
|
} // namespace p25
|
|
|
|
#endif // __P25_UTILS_H__
|