Hi：
在BBB板子测试内置锂电池供电情况，发现断掉外接电源，系统log会打印“Power button pressed”，关机。此时电源芯片应该处于SLeep状态，要想唤醒到active状态时，需要按下button（拉低pb_in）引脚，才可以正常工作。我现在想，外部电源断掉，锂电池会供电使系统处于正常工作状态？不知道有没有好的方法？
谢谢！
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