diff options
| author | Zheng Da <zhengda1936@gmail.com> | 2009-12-06 05:26:23 +0100 |
|---|---|---|
| committer | Zheng Da <zhengda1936@gmail.com> | 2009-12-06 05:26:23 +0100 |
| commit | 8a6d48c0542876eb3acfc0970c0ab7872db08d5f (patch) | |
| tree | 496e78bc728317ea779781b92f897d16936ee231 /libdde_linux26/contrib/include/linux/crc16.h | |
| parent | b4bffcfcdf3ab7a55d664e9aa5907f88da503f38 (diff) | |
check in the original version of dde linux26.
Diffstat (limited to 'libdde_linux26/contrib/include/linux/crc16.h')
| -rw-r--r-- | libdde_linux26/contrib/include/linux/crc16.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/crc16.h b/libdde_linux26/contrib/include/linux/crc16.h new file mode 100644 index 00000000..9443c084 --- /dev/null +++ b/libdde_linux26/contrib/include/linux/crc16.h @@ -0,0 +1,30 @@ +/* + * crc16.h - CRC-16 routine + * + * Implements the standard CRC-16: + * Width 16 + * Poly 0x8005 (x^16 + x^15 + x^2 + 1) + * Init 0 + * + * Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com> + * + * This source code is licensed under the GNU General Public License, + * Version 2. See the file COPYING for more details. + */ + +#ifndef __CRC16_H +#define __CRC16_H + +#include <linux/types.h> + +extern u16 const crc16_table[256]; + +extern u16 crc16(u16 crc, const u8 *buffer, size_t len); + +static inline u16 crc16_byte(u16 crc, const u8 data) +{ + return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff]; +} + +#endif /* __CRC16_H */ + |