Mirrors_Framework/rt-thread
1
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2026-08-19 05:13:04 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Merge pull request #4797 from Guozhanxin/usleep

Browse Source 
[update] usleep supports calling in interrupts.
This commit is contained in:
guo
2021-06-15 18:49:57 +08:00
committed by GitHub
parent 8a274211f1 66b7289ee7
commit 302c8bf23f
1 changed files with 8 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/libc/compilers/common/unistd.c
+8 -1
View File
@@ -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;
}