Diff: inc/crc8.h

Revision:

9:9e247b9c9abf

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/crc8.h	Mon Jun 15 13:03:55 2020 +0000
@@ -0,0 +1,54 @@
+/***************************************************************************//**
+ *   @file   crc8.h
+ *   @brief  Header file of CRC-8 computation.
+ *   @author Darius Berghe (darius.berghe@analog.com)
+********************************************************************************
+ * Copyright 2020(c) Analog Devices, Inc.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  - Neither the name of Analog Devices, Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *  - The use of this software may or may not infringe the patent rights
+ *    of one or more patent holders.  This license does not release you
+ *    from the requirement that you obtain separate licenses from these
+ *    patent holders to use this software.
+ *  - Use of the software either in source or binary form, must be run
+ *    on or directly connected to an Analog Devices Inc. component.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+#ifndef __CRC8_H
+#define __CRC8_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define CRC8_TABLE_SIZE 256
+
+#define DECLARE_CRC8_TABLE(_table) \
+	static uint8_t _table[CRC8_TABLE_SIZE]
+
+void crc8_populate_msb(uint8_t * table, const uint8_t polynomial);
+uint8_t crc8(const uint8_t * table, const uint8_t *pdata, size_t nbytes,
+	     uint8_t crc);
+
+#endif // __CRC8_H