Timestamp.h

/*
 * This file is part of LSST M1M3 support system package.
 *
 * Developed for the Vera C. Rubin Telescope and Site System.
 * This product includes software developed by the LSST Project
 * (https://www.lsst.org).
 * See the COPYRIGHT file at the top-level directory of this distribution
 * for details of code ownership.
 *
 * 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 <https://www.gnu.org/licenses/>.
 */
 
#ifndef TIMESTAMP_H_
#define TIMESTAMP_H_
 
#include <cRIO/DataTypes.h>
#include <sys/time.h>
 
namespace LSST {
namespace M1M3 {
namespace SS {
namespace Timestamp {
const uint64_t NSINSEC = 1000000000;  //* seconds in nanosecond
inline double fromRaw(uint64_t raw) { return ((double)raw) / NSINSEC; }
 
inline uint64_t toRaw(double timestamp) { return (uint64_t)(timestamp * (double)NSINSEC); }
 
inline double fromFPGA(uint64_t timestamp) { return ((double)timestamp) / NSINSEC; }
 
inline uint64_t toFPGA(double timestamp) { return (uint64_t)(timestamp * (double)NSINSEC); }
}  // namespace Timestamp
 
}  // namespace SS
}  // namespace M1M3
}  // namespace LSST
 
#endif /* TIMESTAMP_H_ */