Simon Krogedal / ros_lib_melodic

ROS Serial library for Mbed platforms for ROS Melodic Morenia. Check http://wiki.ros.org/rosserial_mbed/ for more information.

Dependencies:   BufferedSerial

time.cpp@2:fa426560b283, 2021-05-27 (annotated)

Committer:
krogedal
Date:
Thu May 27 19:25:46 2021 +0000
Revision:
2:fa426560b283
Parent:
0:04ac6be8229a 
no change

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Gary Servin 0:04ac6be8229a 1 /*
Gary Servin 0:04ac6be8229a 2 * Software License Agreement (BSD License)
Gary Servin 0:04ac6be8229a 3 *
Gary Servin 0:04ac6be8229a 4 * Copyright (c) 2011, Willow Garage, Inc.
Gary Servin 0:04ac6be8229a 5 * All rights reserved.
Gary Servin 0:04ac6be8229a 6 *
Gary Servin 0:04ac6be8229a 7 * Redistribution and use in source and binary forms, with or without
Gary Servin 0:04ac6be8229a 8 * modification, are permitted provided that the following conditions
Gary Servin 0:04ac6be8229a 9 * are met:
Gary Servin 0:04ac6be8229a 10 *
Gary Servin 0:04ac6be8229a 11 * * Redistributions of source code must retain the above copyright
Gary Servin 0:04ac6be8229a 12 * notice, this list of conditions and the following disclaimer.
Gary Servin 0:04ac6be8229a 13 * * Redistributions in binary form must reproduce the above
Gary Servin 0:04ac6be8229a 14 * copyright notice, this list of conditions and the following
Gary Servin 0:04ac6be8229a 15 * disclaimer in the documentation and/or other materials provided
Gary Servin 0:04ac6be8229a 16 * with the distribution.
Gary Servin 0:04ac6be8229a 17 * * Neither the name of Willow Garage, Inc. nor the names of its
Gary Servin 0:04ac6be8229a 18 * contributors may be used to endorse or promote prducts derived
Gary Servin 0:04ac6be8229a 19 * from this software without specific prior written permission.
Gary Servin 0:04ac6be8229a 20 *
Gary Servin 0:04ac6be8229a 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Gary Servin 0:04ac6be8229a 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Gary Servin 0:04ac6be8229a 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
Gary Servin 0:04ac6be8229a 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
Gary Servin 0:04ac6be8229a 25 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
Gary Servin 0:04ac6be8229a 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
Gary Servin 0:04ac6be8229a 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
Gary Servin 0:04ac6be8229a 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Gary Servin 0:04ac6be8229a 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
Gary Servin 0:04ac6be8229a 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
Gary Servin 0:04ac6be8229a 31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Gary Servin 0:04ac6be8229a 32 * POSSIBILITY OF SUCH DAMAGE.
Gary Servin 0:04ac6be8229a 33 */
Gary Servin 0:04ac6be8229a 34
Gary Servin 0:04ac6be8229a 35 #include "ros/time.h"
Gary Servin 0:04ac6be8229a 36
Gary Servin 0:04ac6be8229a 37 namespace ros
Gary Servin 0:04ac6be8229a 38 {
Gary Servin 0:04ac6be8229a 39 void normalizeSecNSec(uint32_t& sec, uint32_t& nsec)
Gary Servin 0:04ac6be8229a 40 {
Gary Servin 0:04ac6be8229a 41 uint32_t nsec_part = nsec % 1000000000UL;
Gary Servin 0:04ac6be8229a 42 uint32_t sec_part = nsec / 1000000000UL;
Gary Servin 0:04ac6be8229a 43 sec += sec_part;
Gary Servin 0:04ac6be8229a 44 nsec = nsec_part;
Gary Servin 0:04ac6be8229a 45 }
Gary Servin 0:04ac6be8229a 46
Gary Servin 0:04ac6be8229a 47 Time& Time::fromNSec(int32_t t)
Gary Servin 0:04ac6be8229a 48 {
Gary Servin 0:04ac6be8229a 49 sec = t / 1000000000;
Gary Servin 0:04ac6be8229a 50 nsec = t % 1000000000;
Gary Servin 0:04ac6be8229a 51 normalizeSecNSec(sec, nsec);
Gary Servin 0:04ac6be8229a 52 return *this;
Gary Servin 0:04ac6be8229a 53 }
Gary Servin 0:04ac6be8229a 54
Gary Servin 0:04ac6be8229a 55 Time& Time::operator +=(const Duration &rhs)
Gary Servin 0:04ac6be8229a 56 {
Gary Servin 0:04ac6be8229a 57 sec += rhs.sec;
Gary Servin 0:04ac6be8229a 58 nsec += rhs.nsec;
Gary Servin 0:04ac6be8229a 59 normalizeSecNSec(sec, nsec);
Gary Servin 0:04ac6be8229a 60 return *this;
Gary Servin 0:04ac6be8229a 61 }
Gary Servin 0:04ac6be8229a 62
Gary Servin 0:04ac6be8229a 63 Time& Time::operator -=(const Duration &rhs)
Gary Servin 0:04ac6be8229a 64 {
Gary Servin 0:04ac6be8229a 65 sec += -rhs.sec;
Gary Servin 0:04ac6be8229a 66 nsec += -rhs.nsec;
Gary Servin 0:04ac6be8229a 67 normalizeSecNSec(sec, nsec);
Gary Servin 0:04ac6be8229a 68 return *this;
Gary Servin 0:04ac6be8229a 69 }
Gary Servin 0:04ac6be8229a 70 }