00001 /* 00002 * RPLIDAR SDK 00003 * 00004 * Copyright (c) 2009 - 2014 RoboPeak Team 00005 * http://www.robopeak.com 00006 * Copyright (c) 2014 - 2016 Shanghai Slamtec Co., Ltd. 00007 * http://www.slamtec.com 00008 * 00009 */ 00010 /* 00011 * Redistribution and use in source and binary forms, with or without 00012 * modification, are permitted provided that the following conditions are met: 00013 * 00014 * 1. Redistributions of source code must retain the above copyright notice, 00015 * this list of conditions and the following disclaimer. 00016 * 00017 * 2. Redistributions in binary form must reproduce the above copyright notice, 00018 * this list of conditions and the following disclaimer in the documentation 00019 * and/or other materials provided with the distribution. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00022 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 00023 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00024 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 00025 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00026 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00027 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 00028 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00029 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00030 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 00031 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 * 00033 */ 00034 00035 #include "arch/linux/arch_linux.h" 00036 00037 namespace rp{ namespace arch{ 00038 _u64 rp_getus() 00039 { 00040 struct timespec t; 00041 t.tv_sec = t.tv_nsec = 0; 00042 clock_gettime(CLOCK_MONOTONIC, &t); 00043 return t.tv_sec*1000000LL + t.tv_nsec/1000; 00044 } 00045 _u32 rp_getms() 00046 { 00047 struct timespec t; 00048 t.tv_sec = t.tv_nsec = 0; 00049 clock_gettime(CLOCK_MONOTONIC, &t); 00050 return t.tv_sec*1000L + t.tv_nsec/1000000L; 00051 } 00052 }}