78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
/**
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* Meter interface
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*
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* @package vzlogger
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* @copyright Copyright (c) 2011, The volkszaehler.org project
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* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
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* @author Steffen Vogel <info@steffenvogel.de>
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*/
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/*
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* This file is part of volkzaehler.org
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*
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* volkzaehler.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* volkzaehler.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _METER_H_
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#define _METER_H_
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#include "list.h"
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#include "reading.h"
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#include "options.h"
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#include "channel.h"
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using namespace std;
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class Meter {
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public:
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virtual ~Meter();
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virtual int open() = 0;
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virtual int close() = 0;
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virtual size_t read(Reading *rds, size_t n);
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int getInterval();
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protected:
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Meter(OptionList options);
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static int instances;
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int id;
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int interval;
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List<Channel> channels;
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pthread_t thread;
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};
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typedef enum {
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sml, d0
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} meter_protocol_t;
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typedef struct {
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meter_protocol_t id;
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char *name; /* short identifier for protocol */
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char *desc; /* more detailed description */
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size_t max_readings; /* how many readings can be read with 1 call */
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int periodic:1; /* does this meter has be triggered periodically? */
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} meter_details_t;
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/**
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* Get list of available meter types
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*/
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const meter_details_t * meter_get_protocols();
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const meter_details_t * meter_get_details(meter_protocol_t protocol);
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#endif /* _METER_H_ */
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