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/*
* This file is part of libsamsung-ipc.
*
* Copyright (C) 2012 Alexander Tarasikov <alexander.tarasikov@gmail.com>
* Copyright (C) 2013 Paul Kocialkowski <contact@paulk.fr>
*
* libsamsung-ipc 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.
*
* libsamsung-ipc 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 libsamsung-ipc. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <sys/ioctl.h>
#include "xmm6260.h"
unsigned char xmm6260_crc_calculate(void *buffer, int length)
{
unsigned char crc;
unsigned char *p;
if (buffer == NULL || length <= 0)
return 0;
p = (unsigned char *) buffer;
crc = 0;
while (length--)
crc ^= *p++;
return crc;
}
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