add void rt_hw_us_delay(rt_uint32_t us) for mini2440

2021-02-12 02:37:30 +08:00 · 2021-02-12 02:37:30 +08:00 · 28e8e6da62
parent fa8e8ed31f
commit 28e8e6da62
1 changed files with 6 additions and 0 deletions
--- a/bsp/mini2440/drivers/board.c
+++ b/bsp/mini2440/drivers/board.c
@ -125,4 +125,10 @@ void rt_hw_board_init(void)
 #endif

 }
+
+void rt_hw_us_delay(rt_uint32_t us)
+{
+
+}
+
 /*@}*/