# power button state notification messageuint64 timestamp # time since system start (microseconds)uint8 PWR_BUTTON_STATE_IDEL =0 # Button went up without meeting shutdown button down time (delete event)uint8 PWR_BUTTON_STATE_DOWN =1 # Button went Downuint8 PWR_BUTTON_STATE_UP =2 # Button went Upuint8 PWR_BUTTON_STATE_REQUEST_SHUTDOWN =3 # Button went Up after meeting shutdown button down timeuint8 event # one of PWR_BUTTON_STATE_*