이전 판 책에 추가 PDF로 내보내기 en_part4_commapi Communication API BS2_SetDeviceEventListener BS2_SearchDevices BS2_SearchDevicesEx BS2_GetDevices BS2_ConnectDevice BS2_ConnectDeviceViaIP BS2_DisconnectDevice BS2_SetKeepAliveTimeout BS2_SetNotificationListener BS2_SetServerPort