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/*******************************************************************************
* Copyright (c) 2013 protos software gmbh (http://www.protos.de).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* CONTRIBUTORS:
* Thomas Schuetz (initial contribution)
*
*******************************************************************************/
/**
* \file etTime.h
*
* defines a generic interface for platform specific implementations of services around time
*
* \author Thomas Schuetz
*/
#ifndef _ETTIME_H_
#define _ETTIME_H_
#include "etDatatypes.h"
ET_EXTERN_C_BEGIN
/**
* time definition composed by the number of seconds and the number of nano seconds
* negative values have only negative sec, nSec is always positive
* for nSec always holds and 0 <= nSec < 1E9 (1 second in nano seconds)
* all functions in etTimeHelpers also have those preconditions
*/
typedef struct etTime {
etInt32 sec; /**< seconds */
etInt32 nSec; /**< nanoseconds */
} etTime;
/**
* small time difference, typically as difference of etTime that only differ by a small amount of time.
* Unit is nano seconds
*/
typedef etInt32 etTimeDiff;
/**
* get current time from target hardware
* this is no real world clock time and date
* should be used only for relative time measurement
* \param current target time as etTime*
*/
void getTimeFromTarget(etTime *t);
ET_EXTERN_C_END
#endif /* _ETTIME_H_ */
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