Merge pull request #2703 from armink/lts-v3.1.x

Lts v3.1.x

1 files changed, 10 insertions, 5 deletions

diff --git a/src/clock.c b/src/clock.c
index 36ff398376..e969a19b5e 100644
--- a/src/clock.c
+++ b/src/clock.c
@@ -98,15 +98,20 @@ void rt_tick_increase(void)
  *
  * @return the calculated tick
  */
-int rt_tick_from_millisecond(rt_int32_t ms)
+rt_tick_t rt_tick_from_millisecond(rt_int32_t ms)
 {
-    int tick;
+    rt_tick_t tick;
 
     if (ms < 0)
-        tick = RT_WAITING_FOREVER;
+    {
+        tick = (rt_tick_t)RT_WAITING_FOREVER;
+    }
     else
-        tick = (RT_TICK_PER_SECOND * ms + 999) / 1000;
-
+    {
+        tick = RT_TICK_PER_SECOND * (ms / 1000);
+        tick += (RT_TICK_PER_SECOND * (ms % 1000) + 999) / 1000;
+    }
+    
     /* return the calculated tick */
     return tick;
 }