1 files changed, 13 insertions, 0 deletions
diff --git a/src/timer.c b/src/timer.c
index d85ee080b5..0034f0246c 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -488,6 +488,19 @@ rt_err_t rt_timer_control(rt_timer_t timer, int cmd, void *arg)
     case RT_TIMER_CTRL_SET_PERIODIC:
         timer->parent.flag |= RT_TIMER_FLAG_PERIODIC;
         break;
+    /* zhaoshimin 20191204 add query the timer state */    
+    case RT_TIMER_CTRL_GET_STATE:
+        if(timer->parent.flag & RT_TIMER_FLAG_ACTIVATED)
+        {
+            /*timer is start and run*/
+            *(rt_tick_t *)arg = RT_TIMER_FLAG_ACTIVATED;
+        }
+        else
+        {
+            /*timer is stop*/
+            *(rt_tick_t *)arg = RT_TIMER_FLAG_DEACTIVATED;
+        }
+        break;    
     }
 
     return RT_EOK;