houwenxiang e4230d11ca bugfix(UART): fix uart driver spinlock misused bug
1. fix uart driver spinlock misused bug
    2. add uart driver ut test case
    3. undo the change in light_sleep_example_main.c
2019-12-03 16:06:31 +08:00
..
2018-09-10 17:10:43 +08:00