이전 판 책에 추가 PDF로 내보내기 en_part6_deviceapi Device API BS2_GetDeviceInfo BS2_GetDeviceTime BS2_SetDeviceTime BS2_ClearDatabase BS2_FactoryReset BS2_RebootDevice BS2_LockDevice BS2_UnlockDevice BS2_SetKeepAliveTimeout BS2_UpgradeFirmware BS2_UpdateResource