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实现 usleep

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This commit is contained in:
mysterywolf 2020-12-16 15:34:41 +08:00
parent 702103a203
commit 9d004a2892
1 changed files with 4 additions and 1 deletions
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5
components/libc/time/posix_sleep.c
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@ -8,6 +8,7 @@
* 2020-12-16 Meco Man add usleep * 2020-12-16 Meco Man add usleep
*/ */
#include <rtthread.h> #include <rtthread.h>
#include <rthw.h>
#include <unistd.h> #include <unistd.h>
unsigned int sleep(unsigned int seconds) unsigned int sleep(unsigned int seconds)
@ -23,5 +24,7 @@ unsigned int sleep(unsigned int seconds)
int usleep(useconds_t usec) int usleep(useconds_t usec)
{ {
rt_thread_mdelay(usec / 1000u);
rt_hw_us_delay(usec % 1000u);
return 0;
} }