crc.h

MANTIS是由科罗拉多大学开发的传感器网络嵌入式操作系统。 这是mantis的0.9.5版本的源码。

//  This file is part of MANTIS OS, Operating System
//  See http://mantis.cs.colorado.edu/
//
//  Copyright (C) 2003,2004,2005 University of Colorado, Boulder
//
//  This program is free software; you can redistribute it and/or
//  modify it under the terms of the mos license (see file LICENSE)

#ifndef __CRC_H__
#define __CRC_H__

#include <inttypes.h>

#define CRC_OK 0
#define CRC_ERROR -1

/** @file crc.h
 * @brief Calculate the CRC-16 CCITT of buffer that is size bytes long.
 * @param buf Pointer to data buffer.
 * @param size number of bytes in data buffer
 * @return CRC-16 of buffer[0 .. length]
 */
uint16_t crc_compute(uint8_t *buf, uint16_t size);
#endif