/* * 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 code was taken from the linux kernel. The license is GPL Version 2. */ #ifndef __CRC16_H__ #define __CRC16_H__ #include <stdlib.h> #include <stdint.h> extern uint16_t const crc16_table[256]; extern uint16_t crc16(uint16_t crc, const uint8_t *buffer, size_t len); static inline uint16_t crc16_byte(uint16_t crc, const uint8_t data) { return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff]; } #endif /* __CRC16_H__ */