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LibrePilot/flight/PiOS/inc/pios_crc.h
James Cotton 3e5d02cbaf OP-152: Abstract the CRC code out of uavtalk to allow it to be reused (PT -
feel free to test moving this to the hardware CRC unit)
2011-06-04 18:36:26 -05:00

32 lines
1.3 KiB
C

/**
******************************************************************************
* @addtogroup PIOS PIOS Core hardware abstraction layer
* @{
* @addtogroup PIOS_CRC CRC Functions
* @{
*
* @file pios_crc.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief CRC functions header.
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
uint8_t PIOS_CRC_updateByte(uint8_t crc, const uint8_t data);
uint8_t PIOS_CRC_updateCRC(uint8_t crc, const uint8_t* data, int32_t length);