PROJ515 - LED - ROS Serial library for Mbed platforms for ROS Kinetic Kame. Check http://wiki.ros.org/rosserial_mbed/ for more information.
time.cpp
- Committer:
- garyservin
- Date:
- 2016-12-31
- Revision:
- 0:9e9b7db60fd5
File content as of revision 0:9e9b7db60fd5:
/* * Software License Agreement (BSD License) * * Copyright (c) 2011, Willow Garage, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of Willow Garage, Inc. nor the names of its * contributors may be used to endorse or promote prducts derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "ros/time.h" namespace ros { void normalizeSecNSec(uint32_t& sec, uint32_t& nsec){ uint32_t nsec_part= nsec % 1000000000UL; uint32_t sec_part = nsec / 1000000000UL; sec += sec_part; nsec = nsec_part; } Time& Time::fromNSec(int32_t t) { sec = t / 1000000000; nsec = t % 1000000000; normalizeSecNSec(sec, nsec); return *this; } Time& Time::operator +=(const Duration &rhs) { sec += rhs.sec; nsec += rhs.nsec; normalizeSecNSec(sec, nsec); return *this; } Time& Time::operator -=(const Duration &rhs){ sec += -rhs.sec; nsec += -rhs.nsec; normalizeSecNSec(sec, nsec); return *this; } }