118 lines
2.5 KiB
C
Executable File
118 lines
2.5 KiB
C
Executable File
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-05-07 Meco Man first Version
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*/
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#include <sys/types.h>
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#include <rtthread.h>
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#include <rthw.h>
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/**
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* @brief Delays the execution of the current thread for the specified number of milliseconds.
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*
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* @param msecs The number of milliseconds to sleep.
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*/
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void msleep(unsigned int msecs)
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{
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rt_thread_mdelay(msecs);
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}
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RTM_EXPORT(msleep);
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/**
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* @brief Delays the execution of the current thread for the specified number of seconds.
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*
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* @param seconds The number of seconds to sleep.
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*/
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void ssleep(unsigned int seconds)
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{
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msleep(seconds * 1000);
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}
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RTM_EXPORT(ssleep);
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/**
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* @brief Delays the execution of the current thread for the specified number of milliseconds.
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*
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* @param msecs The number of milliseconds to delay.
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*/
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void mdelay(unsigned long msecs)
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{
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rt_hw_us_delay(msecs * 1000);
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}
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RTM_EXPORT(mdelay);
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/**
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* @brief Delays the execution of the current thread for the specified number of microseconds.
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*
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* @param usecs The number of microseconds to delay.
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*/
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void udelay(unsigned long usecs)
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{
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rt_hw_us_delay(usecs);
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}
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RTM_EXPORT(udelay);
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/**
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* @brief Delays the execution of the current thread for approximately one microsecond.
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*
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* @param nsecs This parameter is ignored.
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*/
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void ndelay(unsigned long nsecs)
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{
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rt_hw_us_delay(1);
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}
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RTM_EXPORT(ndelay);
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/**
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* @brief Delays the execution of the current thread for the specified number of seconds.
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*
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* @param seconds The number of seconds to sleep.
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*
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* @return Returns 0 on success.
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*/
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unsigned int sleep(unsigned int seconds)
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{
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if (rt_thread_self() != RT_NULL)
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{
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ssleep(seconds);
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}
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else /* scheduler has not run yet */
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{
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while(seconds > 0)
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{
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udelay(1000000u);
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seconds --;
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}
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}
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return 0;
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}
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RTM_EXPORT(sleep);
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/**
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* @brief Delays the execution of the current thread for the specified number of microseconds.
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*
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* @param usec The number of microseconds to sleep.
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*
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* @return Returns 0 on success.
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*/
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int usleep(useconds_t usec)
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{
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if (rt_thread_self() != RT_NULL)
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{
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msleep(usec / 1000u);
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udelay(usec % 1000u);
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}
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else /* scheduler has not run yet */
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{
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udelay(usec);
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}
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return 0;
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}
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RTM_EXPORT(usleep);
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