[Kernel] fix the delay_until issue

BernardXiong · BernardXiong · commit 0776b36a4f17 · 2020-10-22T22:44:58.000+08:00
diff --git a/src/thread.c b/src/thread.c
@@ -569,7 +569,7 @@ rt_err_t rt_thread_delay_until(rt_tick_t *tick, rt_tick_t inc_tick)
 
     if (rt_tick_get() - *tick < inc_tick)
     {
-        *tick = rt_tick_get() - *tick + inc_tick;
+        *tick = *tick + inc_tick - rt_tick_get();
 
         /* suspend thread */
         rt_thread_suspend(thread);

Original file line number	Diff line number	Diff line change
`@@ -569,7 +569,7 @@ rt_err_t rt_thread_delay_until(rt_tick_t *tick, rt_tick_t inc_tick)`
`569`	`569`
`570`	`570`	`if (rt_tick_get() - *tick < inc_tick)`
`571`	`571`	`{`
`572`		`- tick = rt_tick_get() - tick + inc_tick;`
	`572`	`+ tick = tick + inc_tick - rt_tick_get();`
`573`	`573`
`574`	`574`	`/* suspend thread */`
`575`	`575`	`rt_thread_suspend(thread);`