timer.h

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/*
 *  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,
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#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();
_u32 rp_getms();

}}

#define getms() rp::arch::rp_getms()