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Merge pull request #4797 from Guozhanxin/usleep

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[update] usleep supports calling in interrupts.
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guo authored and GitHub committed 2021-06-15 18:49:57 +08:00
2 parents 8a274211f1 66b7289ee7
commit 302c8bf23f
1 file changed
+8 -1
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components/libc/compilers/common/unistd.c
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@@ -55,7 +55,14 @@ RTM_EXPORT(sleep);
int usleep(useconds_t usec)
{
rt_thread_mdelay(usec / 1000u);
if (rt_thread_self() != RT_NULL)
{
rt_thread_mdelay(usec / 1000u);
}
else
{
rt_hw_us_delay(usec / 1000u);
}
rt_hw_us_delay(usec % 1000u);
return 0;
}