add void rt_hw_us_delay(rt_uint32_t us)

This commit is contained in:
Meco Man committed 2021-03-11 13:24:28 +08:00
1 parent 849c99d2fa
commit 8dfe39b3ac
1 file changed
+5
@@ -127,3 +127,8 @@ void rt_hw_board_init(void)
rt_components_board_init();
#endif
}
void rt_hw_us_delay(rt_uint32_t us)
{
}