From 33fec015265a0f47b7d1084fe11bfea75e807388 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwe@kingsome.cn>
Date: Wed, 4 Sep 2019 11:21:38 +0800
Subject: [PATCH] add GetRunningTimer

---
 a8/xtimer.cc | 8 ++++++++
 a8/xtimer.h  | 1 +
 2 files changed, 9 insertions(+)

diff --git a/a8/xtimer.cc b/a8/xtimer.cc
index 3e01eec..f668d64 100644
--- a/a8/xtimer.cc
+++ b/a8/xtimer.cc
@@ -228,6 +228,9 @@ namespace a8
 
     void XTimer::DeleteTimer(xtimer_list* timer)
     {
+        if (!timer) {
+            abort();
+        }
         if (base_->running_timer == timer) {
             base_->running_timer = nullptr;
         }
@@ -256,6 +259,11 @@ namespace a8
         return timer->param;
     }
 
+    xtimer_list* XTimer::GetRunningTimer()
+    {
+        return base_->running_timer;
+    }
+
     void XTimer::UpdateTimer()
     {
         struct xtvec_base *base = base_;
diff --git a/a8/xtimer.h b/a8/xtimer.h
index 0c92737..e63d710 100644
--- a/a8/xtimer.h
+++ b/a8/xtimer.h
@@ -41,6 +41,7 @@ namespace a8
         //通过关联的list_head获取定时器对象
         xtimer_list* GetTimerByAttach(list_head* attach_entry);
         a8::XParams& GetTimerXParams(xtimer_list* timer);
+        xtimer_list* GetRunningTimer();
 
     private:
         void UpdateTimer();