Files
ros-raspbot-v2/lidar/sllidar_ros2/sdk/src/arch/linux/timer.h
T

60 lines
1.9 KiB
C++

/*
* RPLIDAR SDK
*
* Copyright (c) 2009 - 2014 RoboPeak Team
* http://www.robopeak.com
* Copyright (c) 2014 - 2018 Shanghai Slamtec Co., Ltd.
* http://www.slamtec.com
*
*/
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 HOLDER 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.
*
*/
#pragma once
#include "hal/types.h"
#include <unistd.h>
static inline void delay(_word_size_t ms){
while (ms>=1000){
usleep(1000*1000);
ms-=1000;
};
if (ms!=0)
usleep(ms*1000);
}
// TODO: the highest timer interface should be clock_gettime
namespace rp{ namespace arch{
_u64 rp_getus();
_u64 rp_getms();
}}
#define getms() rp::arch::rp_getms()
#define getus() rp::arch::rp_getus()