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-rw-r--r--samsung-ipc/devices/xmm626/xmm626.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/samsung-ipc/devices/xmm626/xmm626.c b/samsung-ipc/devices/xmm626/xmm626.c
new file mode 100644
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+++ b/samsung-ipc/devices/xmm626/xmm626.c
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+/*
+ * This file is part of libsamsung-ipc.
+ *
+ * Copyright (C) 2012 Alexander Tarasikov <alexander.tarasikov@gmail.com>
+ * Copyright (C) 2013-2014 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 "xmm626.h"
+
+unsigned char xmm626_crc_calculate(const void *data, size_t size)
+{
+ unsigned char crc;
+ unsigned char *p;
+
+ if (data == NULL || size == 0)
+ return 0;
+
+ p = (unsigned char *) data;
+
+ crc = 0;
+ while (size--)
+ crc ^= *p++;
+
+ return crc;
+}
+
+// vim:ts=4:sw=4:expandtab