vzlogger/include/obis.h

60 lines
1.7 KiB
C

/**
* OBIS IDs as specified in DIN EN 62056-61
*
* @package vzlogger
* @copyright Copyright (c) 2011, The volkszaehler.org project
* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
* @author Steffen Vogel <info@steffenvogel.de>
*/
/*
* This file is part of volkzaehler.org
*
* volkzaehler.org 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
* any later version.
*
* volkzaehler.org 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 volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _OBIS_H_
#define _OBIS_H_
#include <string.h>
#define OBIS_STR_LEN (6*3+5+1)
/* regex: A-BB:CC.DD.EE([*&]FF)? */
typedef union {
unsigned char raw[6];
struct {
unsigned char media, channel, indicator, mode, quantities;
unsigned char storage; /* not used in Germany */
} groups;
} obis_id_t;
typedef struct {
obis_id_t id;
char *name;
char *desc;
} obis_alias_t;
/* prototypes */
obis_id_t * obis_init(obis_id_t *id, unsigned char *raw);
const obis_alias_t * obis_get_aliases();
int obis_parse(const char *str, obis_id_t *id);
int obis_lookup_alias(const char *alias, obis_id_t *id);
int obis_unparse(obis_id_t id, char *buffer, size_t n);
int obis_compare(obis_id_t a, obis_id_t b);
int obis_is_manufacturer_specific(obis_id_t id);
int obis_is_null(obis_id_t id);
#endif /* _OBIS_H_ */