linux应用程序停留在whlie(1)里面时，调试端口无法正常使用

摩根

原子哥，我在按照教程学习原子操作时候，发现一个问题，当我应用程序起来控制LED程序进入while（1）睡眠25S的，时候，调试端口输入信息全是乱码，当跳出25s睡眠之后，调试端口又能正常运行，能帮忙看看这个问题吗？
/lib/modules/4.1.15 # ./test_atomic_app  /dev/led_atomic 0
write new led state: 0


^[[A
^[[A^[[A^[[A^[[A^[[A^[[A^[[AApp running times:1
^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[AApp running times:2
^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[A^[[AApp running times:3
^[[A^[[AApp running times:4
atomic release！ :5

App running finished!/lib/modules/4.1.15 #
/lib/modules/4.1.15 #
/lib/modules/4.1.15 # ./test_atomic_app  /dev/led_atomic 0
write new led state: 0
App running times:1
App running times:2