forked from rob-hills/rcphills-sma-bluetooth-dbabstraction
/
timestamp.h
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/
timestamp.h
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/* tool to read power production data for SMA solar power convertors
Copyright flonatel GmbH & Co. KG, 2012
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, see <http://www.gnu.org/licenses/>. */
#ifndef TIMESTAMP_H
#define TIMESTAMP_H
#include "pvlogger.h"
#include <sys/time.h>
struct timestamp_struct
{
struct timeval tv;
};
typedef struct timestamp_struct timestamp_t;
typedef timestamp_t * timestamp_p;
/* Constructs a new timestamp and sets it to the current time.*/
timestamp_p time_stamp_constructor();
/* Destroys a timestamp. */
void timestamp_destuctor(timestamp_p self);
/* Sets the given timestamp to the current time.*/
void timestamp_set_current_time(timestamp_p self);
/* Computes the difference of the given timestamp to the current
* time and sets the given timestamp appropriate.
*/
void timestamp_duration_since(timestamp_p ts);
/* Returns the timestamp as a double (as used to be in python). */
double timestamp_as_double(timestamp_p self);
#endif