1#ifndef CRC7_H 2#define CRC7_H 3 4extern const unsigned char crc7_syndrome_table[256]; 5 6static inline unsigned char crc7_byte(unsigned char crc, unsigned char data) 7{ 8 return crc7_syndrome_table[(crc << 1) ^ data]; 9} 10 11extern unsigned char fio_crc7(const unsigned char *buffer, unsigned int len); 12 13#endif 14