/usr/include/srecord/input/filter/message/crc16.h is in libsrecord-dev 1.58-1.1.
This file is owned by root:root, with mode 0o644.
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// srecord - manipulate eprom load files
// Copyright (C) 2000-2003, 2005-2010 Peter Miller
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see
// <http://www.gnu.org/licenses/>.
//
#ifndef SRECORD_INPUT_FILTER_MESSAGE_CRC16_H
#define SRECORD_INPUT_FILTER_MESSAGE_CRC16_H
#include <srecord/crc16.h>
#include <srecord/endian.h>
#include <srecord/input/filter/message.h>
namespace srecord
{
/**
* The srecord::input_filter_message_crc16 class is used to represent the
* state of a checksum filter that inserts a CRC16 into the data.
*/
class input_filter_message_crc16:
public input_filter_message
{
public:
/**
* The destructor.
*/
virtual ~input_filter_message_crc16();
private:
/**
* The constructor.
*
* @param deeper
* The incoming data source to be filtered
* @param address
* where to put the checksum
* @param end
* The byte order.
*/
input_filter_message_crc16(const input::pointer &deeper,
unsigned long address, endian_t end);
public:
/**
* The create class method is used to create new dynamically
* allocated instances of this class.
*
* @param deeper
* The incoming data source to be filtered
* @param address
* where to put the checksum
* @param end
* The byte order.
*/
static pointer create(const input::pointer &deeper, unsigned long address,
endian_t end);
protected:
// See base class for documentation.
void command_line(arglex_tool *cmdln);
// See base class for documentation.
void process(const memory &input, record &output);
// See base class for documentation.
const char *get_algorithm_name() const;
private:
/**
* The address instance variable is used to remember where to place
* the CRC in memory.
*/
unsigned long address;
/**
* The end instance variable is used to remember whether the byte
* order is big-endian or little-endian.
*/
endian_t end;
/**
* The seed_mode instance variable is used to remember the desired
* seed for the CRC16 calculation. Defaults to CCITT.
*/
crc16::seed_mode_t seed_mode;
/**
* The augment_flag instance variable is used to remember whether
* or not the final 16-zero-bits augmentation should be applied to
* the CRC. Almost always true.
*/
bool augment_flag;
unsigned short polynomial;
/**
* The bitdir instance variable is used to rememebr the bit
* direction of the CRC.
*/
crc16::bit_direction_t bitdir;
/**
* The default constructor. Do not use.
*/
input_filter_message_crc16();
/**
* The copy constructor. Do not use.
*/
input_filter_message_crc16(const input_filter_message_crc16 &);
/**
* The assignment operator. Do not use.
*/
input_filter_message_crc16 &operator=(const input_filter_message_crc16 &);
};
};
#endif // SRECORD_INPUT_FILTER_MESSAGE_CRC16_H
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