add function rt_hw_1ms_tick_get()

1 files changed, 5 insertions, 0 deletions

diff --git a/include/rthw.h b/include/rthw.h
index 89877faf90..c3960350b8 100644
--- a/include/rthw.h
+++ b/include/rthw.h
@@ -134,6 +134,11 @@ void rt_hw_exception_install(rt_err_t (*exception_handle)(void *context));
  */
 void rt_hw_us_delay(rt_uint32_t us);
 
+/*
+ * provides a tick value ALWAYS in millisecond
+ */
+rt_tick_t rt_hw_1ms_tick_get(void);
+
 #ifdef RT_USING_SMP
 typedef union {
     unsigned long slock;