linux-sg2042/include/linux/crc-ccitt.h

18 lines
372 B
C

#ifndef _LINUX_CRC_CCITT_H
#define _LINUX_CRC_CCITT_H
#ifdef __KERNEL__
#include <linux/types.h>
extern u16 const crc_ccitt_table[256];
extern u16 crc_ccitt(u16 crc, const u8 *buffer, size_t len);
static inline u16 crc_ccitt_byte(u16 crc, const u8 c)
{
return (crc >> 8) ^ crc_ccitt_table[(crc ^ c) & 0xff];
}
#endif /* __KERNEL__ */
#endif /* _LINUX_CRC_CCITT_H */