实现 usleep

2020-12-16 15:34:41 +08:00 · 2020-12-16 15:34:41 +08:00 · 9d004a2892
parent 702103a203
commit 9d004a2892
1 changed files with 4 additions and 1 deletions
--- a/components/libc/time/posix_sleep.c
+++ b/components/libc/time/posix_sleep.c
@ -8,6 +8,7 @@
 * 2020-12-16     Meco Man     add usleep
 */
 #include <rtthread.h>
+#include <rthw.h>
 #include <unistd.h>

 unsigned int sleep(unsigned int seconds)
@ -23,5 +24,7 @@ unsigned int sleep(unsigned int seconds)

 int usleep(useconds_t usec)
 {
-    
+    rt_thread_mdelay(usec / 1000u);
+    rt_hw_us_delay(usec % 1000u);
+    return 0;
 }