diff options
Diffstat (limited to 'include/crc.h')
| -rw-r--r-- | include/crc.h | 139 |
1 files changed, 69 insertions, 70 deletions
diff --git a/include/crc.h b/include/crc.h index 63399bf..10560c9 100644 --- a/include/crc.h +++ b/include/crc.h @@ -1,56 +1,58 @@ -//========================================================================== -// -// crc.h -// -// Interface for the CRC algorithms. -// -//========================================================================== -//####ECOSGPLCOPYRIGHTBEGIN#### -// ------------------------------------------- -// This file is part of eCos, the Embedded Configurable Operating System. -// Copyright (C) 2002 Andrew Lunn -// -// eCos 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 2 or (at your option) any later version. -// -// eCos 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 eCos; if not, write to the Free Software Foundation, Inc., -// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. -// -// As a special exception, if other files instantiate templates or use macros -// or inline functions from this file, or you compile this file and link it -// with other works to produce a work based on this file, this file does not -// by itself cause the resulting work to be covered by the GNU General Public -// License. However the source code for this file must still be made available -// in accordance with section (3) of the GNU General Public License. -// -// This exception does not invalidate any other reasons why a work based on -// this file might be covered by the GNU General Public License. -// -// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. -// at http://sources.redhat.com/ecos/ecos-license/ -// ------------------------------------------- -//####ECOSGPLCOPYRIGHTEND#### -//========================================================================== -//#####DESCRIPTIONBEGIN#### -// -// Author(s): Andrew Lunn -// Contributors: Andrew Lunn -// Date: 2002-08-06 -// Purpose: -// Description: -// -// This code is part of eCos (tm). -// -//####DESCRIPTIONEND#### -// -//========================================================================== +/* + *========================================================================== + * + * crc.h + * + * Interface for the CRC algorithms. + * + *========================================================================== + *####ECOSGPLCOPYRIGHTBEGIN#### + * ------------------------------------------- + * This file is part of eCos, the Embedded Configurable Operating System. + * Copyright (C) 2002 Andrew Lunn + * + * eCos 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 2 or (at your option) any later version. + * + * eCos 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 eCos; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * As a special exception, if other files instantiate templates or use macros + * or inline functions from this file, or you compile this file and link it + * with other works to produce a work based on this file, this file does not + * by itself cause the resulting work to be covered by the GNU General Public + * License. However the source code for this file must still be made available + * in accordance with section (3) of the GNU General Public License. + * + * This exception does not invalidate any other reasons why a work based on + * this file might be covered by the GNU General Public License. + * + * Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. + * at http: *sources.redhat.com/ecos/ecos-license/ + * ------------------------------------------- + *####ECOSGPLCOPYRIGHTEND#### + *========================================================================== + *#####DESCRIPTIONBEGIN#### + * + * Author(s): Andrew Lunn + * Contributors: Andrew Lunn + * Date: 2002-08-06 + * Purpose: + * Description: + * + * This code is part of eCos (tm). + * + *####DESCRIPTIONEND#### + * + *========================================================================== + */ #ifndef _SERVICES_CRC_CRC_H_ #define _SERVICES_CRC_CRC_H_ @@ -65,37 +67,34 @@ # endif #endif -// Compute a CRC, using the POSIX 1003 definition -extern uint32_t +/* Compute a CRC, using the POSIX 1003 definition */ +extern uint32_t cyg_posix_crc32(unsigned char *s, int len); -// Gary S. Brown's 32 bit CRC +/* Gary S. Brown's 32 bit CRC */ -extern uint32_t +extern uint32_t cyg_crc32(unsigned char *s, int len); -// Gary S. Brown's 32 bit CRC, but accumulate the result from a -// previous CRC calculation +/* Gary S. Brown's 32 bit CRC, but accumulate the result from a */ +/* previous CRC calculation */ -extern uint32_t +extern uint32_t cyg_crc32_accumulate(uint32_t crc, unsigned char *s, int len); -// Ethernet FCS Algorithm +/* Ethernet FCS Algorithm */ -extern uint32_t +extern uint32_t cyg_ether_crc32(unsigned char *s, int len); -// Ethernet FCS algorithm, but accumulate the result from a previous -// CRC calculation. +/* Ethernet FCS algorithm, but accumulate the result from a previous */ +/* CRC calculation. */ -extern uint32_t +extern uint32_t cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len); -// 16 bit CRC with polynomial x^16+x^12+x^5+1 +/* 16 bit CRC with polynomial x^16+x^12+x^5+1 */ extern uint16_t cyg_crc16(unsigned char *s, int len); -#endif // _SERVICES_CRC_CRC_H_ - - - +#endif /* _SERVICES_CRC_CRC_H_ */ |