87 lines
1.5 KiB
C
87 lines
1.5 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2021-05-07 Meco Man first Version
|
||
|
|
*/
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <rtthread.h>
|
||
|
|
#include <rthw.h>
|
||
|
|
#define DBG_TAG "POSIX.delay"
|
||
|
|
#define DBG_LVL DBG_INFO
|
||
|
|
#include <rtdbg.h>
|
||
|
|
|
||
|
|
RT_WEAK void rt_hw_us_delay(rt_uint32_t us)
|
||
|
|
{
|
||
|
|
(void) us;
|
||
|
|
LOG_W("Please consider implementing rt_hw_us_delay() in another file.");
|
||
|
|
}
|
||
|
|
|
||
|
|
void msleep(unsigned int msecs)
|
||
|
|
{
|
||
|
|
rt_thread_mdelay(msecs);
|
||
|
|
}
|
||
|
|
RTM_EXPORT(msleep);
|
||
|
|
|
||
|
|
void ssleep(unsigned int seconds)
|
||
|
|
{
|
||
|
|
msleep(seconds * 1000);
|
||
|
|
}
|
||
|
|
RTM_EXPORT(ssleep);
|
||
|
|
|
||
|
|
void mdelay(unsigned long msecs)
|
||
|
|
{
|
||
|
|
rt_hw_us_delay(msecs * 1000);
|
||
|
|
}
|
||
|
|
RTM_EXPORT(mdelay);
|
||
|
|
|
||
|
|
void udelay(unsigned long usecs)
|
||
|
|
{
|
||
|
|
rt_hw_us_delay(usecs);
|
||
|
|
}
|
||
|
|
RTM_EXPORT(udelay);
|
||
|
|
|
||
|
|
void ndelay(unsigned long nsecs)
|
||
|
|
{
|
||
|
|
rt_hw_us_delay(1);
|
||
|
|
}
|
||
|
|
RTM_EXPORT(ndelay);
|
||
|
|
|
||
|
|
unsigned int sleep(unsigned int seconds)
|
||
|
|
{
|
||
|
|
if (rt_thread_self() != RT_NULL)
|
||
|
|
{
|
||
|
|
ssleep(seconds);
|
||
|
|
}
|
||
|
|
else /* scheduler has not run yet */
|
||
|
|
{
|
||
|
|
while(seconds > 0)
|
||
|
|
{
|
||
|
|
udelay(1000000u);
|
||
|
|
seconds --;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
RTM_EXPORT(sleep);
|
||
|
|
|
||
|
|
int usleep(useconds_t usec)
|
||
|
|
{
|
||
|
|
if (rt_thread_self() != RT_NULL)
|
||
|
|
{
|
||
|
|
msleep(usec / 1000u);
|
||
|
|
}
|
||
|
|
else /* scheduler has not run yet */
|
||
|
|
{
|
||
|
|
udelay(usec / 1000u);
|
||
|
|
}
|
||
|
|
udelay(usec % 1000u);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
RTM_EXPORT(usleep);
|