flight/pios/inc/pios_crc.h

   1 /**
   2  ******************************************************************************
   3  * @addtogroup PIOS PIOS Core hardware abstraction layer
   4  * @{
   5  * @addtogroup   PIOS_CRC CRC Functions
   6  * @{
   7  *
   8  * @file       pios_crc.h
   9  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
  10  * @brief      CRC functions header.
  11  * @see        The GNU Public License (GPL) Version 3
  12  *
  13  *****************************************************************************/
  14 /*
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 3 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful, but
  21  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  22  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  23  * for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License along
  26  * with this program; if not, write to the Free Software Foundation, Inc.,
  27  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  28  */
  29
  30 #ifndef PIOS_CRC_H
  31 #define PIOS_CRC_H
  32
  33 uint8_t PIOS_CRC_updateByte(uint8_t crc, const uint8_t data);
  34 uint8_t PIOS_CRC_updateCRC(uint8_t crc, const uint8_t *data, int32_t length);
  35
  36 uint16_t PIOS_CRC16_updateByte(uint16_t crc, const uint8_t data);
  37 uint16_t PIOS_CRC16_updateCRC(uint16_t crc, const uint8_t *data, int32_t length);
  38
  39 uint32_t PIOS_CRC32_updateByte(uint32_t crc, const uint8_t data);
  40 uint32_t PIOS_CRC32_updateCRC(uint32_t crc, const uint8_t *data, int32_t length);
  41
  42 #endif /* PIOS_CRC_H */