version 1.1.2.1, 2010/01/20 00:06:36
|
version 1.4, 2012/07/04 14:53:43
|
Line 5
|
Line 5
|
* $Author$ |
* $Author$ |
* $Id$ |
* $Id$ |
* |
* |
*************************************************************************/ | ************************************************************************** |
| The ELWIX and AITNET software is distributed under the following |
| terms: |
| |
| All of the documentation and software included in the ELWIX and AITNET |
| Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
| |
| Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
| by Michael Pounov <misho@elwix.org>. All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions |
| are met: |
| 1. Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| 3. All advertising materials mentioning features or use of this software |
| must display the following acknowledgement: |
| This product includes software developed by Michael Pounov <misho@elwix.org> |
| ELWIX - Embedded LightWeight unIX and its contributors. |
| 4. Neither the name of AITNET nor the names of its contributors |
| may be used to endorse or promote products derived from this software |
| without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| SUCH DAMAGE. |
| */ |
#include "global.h" |
#include "global.h" |
|
|
|
|
/* |
/* |
* crcPelco() Calculate Pelco D/P CRC | * crcPelco() - Calculate Pelco D/P CRC |
| * |
* @ver = Pelco protocol version (Dd | Pp) |
* @ver = Pelco protocol version (Dd | Pp) |
* @pkt = Packet for calculate crc |
* @pkt = Packet for calculate crc |
* return: crc for packet, if is 0 check and crc_GetErrno() == 1 | * return: crc for packet, if is 0 check and crc_GetErrno() == EINVAL |
Pelco protocol not supported |
Pelco protocol not supported |
*/ |
*/ |
inline u_char crcPelco(u_char ver, u_char *pkt) | inline u_char |
| crcPelco(u_char ver, u_char *pkt) |
{ |
{ |
register u_char i, crc; |
register u_char i, crc; |
|
|
|
assert(pkt); |
|
|
switch (ver) { |
switch (ver) { |
case 'D': |
case 'D': |
case 'd': |
case 'd': |
Line 32 inline u_char crcPelco(u_char ver, u_char *pkt)
|
Line 73 inline u_char crcPelco(u_char ver, u_char *pkt)
|
break; |
break; |
default: |
default: |
crc = 0; |
crc = 0; |
crcSetErr(1, "crcAdler(): Invalid parameters!"); | crc_SetErr(EINVAL, "Invalid parameters!"); |
} |
} |
|
|
return crc; |
return crc; |