EP1157332A1 - Telechargement de micrologiciel pour equipement ce - Google Patents

Telechargement de micrologiciel pour equipement ce

Info

Publication number
EP1157332A1
EP1157332A1 EP00969475A EP00969475A EP1157332A1 EP 1157332 A1 EP1157332 A1 EP 1157332A1 EP 00969475 A EP00969475 A EP 00969475A EP 00969475 A EP00969475 A EP 00969475A EP 1157332 A1 EP1157332 A1 EP 1157332A1
Authority
EP
European Patent Office
Prior art keywords
firmware
download server
area network
interface
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00969475A
Other languages
German (de)
English (en)
Inventor
Daniel Meirsman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Priority to EP00969475A priority Critical patent/EP1157332A1/fr
Publication of EP1157332A1 publication Critical patent/EP1157332A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/61—Installation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories

Definitions

  • the invention relates to a communication system including a download server and at least one CE apparatus.
  • the invention further relates to a communication system including a download server, an interface apparatus and at least one CE apparatus.
  • the invention also relates to the CE apparatus and to the interface apparatus.
  • the invention further relates to a method of automatically downloading operation firmware from a download server to a CE apparatus.
  • the invention also relates to a computer program product.
  • the European patent application EP 0 399 200 describes a communication system with a central headend site and cable television converters, connected via a cable television network.
  • the converters are addressable.
  • the headend can send firmware to an individual converter by sending addressed data via the cable network to the converter.
  • the converter has a non-volatile memory for storing the received firmware and a processor for executing the firmware.
  • a firmware update is performed at the initiative of the headend. Updates are only performed for those converters which are authorized according to records of the cable television operator.
  • the records include information of the converters, such as their address.
  • firmware updating has several drawbacks, such as requiring an administration of updateable converters and requiring that the converter is accessible via the network at least sometimes when the headend wants to update the converter.
  • the communication system includes a download server and at least one CE apparatus;
  • the download server includes a storage for storing operational firmware of the CE apparatus; and a communication interface for communication via a wide area network;
  • the CE apparatus includes a predetermined identifier identifying the download server with respect to the wide area network; and a communication interface for communicating with the identified download server via the wide area network; and the CE apparatus is operative to initiate the downloading; to receive the firmware from the download server; to store the firmware in a writeable storage medium; and to cause the downloaded firmware to be executed.
  • the initiative for the downloading lies in the CE apparatus.
  • the server is always accessible via the wide area network.
  • the CE apparatus stores the identifier of the server.
  • This identifier is preferably installed at the time of manufacture or sale of the apparatus. This makes it simple to retrieve the firmware without much user involvement. Moreover, it is no longer necessary to administrate the large number of addresses/identifiers of the CE apparatuses in the server.
  • the CE apparatuses can even be entirely the same and need not be identifiable with respect to the wide area network.
  • the server identifier may be unique for each type of CE apparatus. This can be implemented by using dedicated servers for each CE apparatus type. Preferably, sub-identifiers are used, where the main identifier identifies the server with respect to the network and the sub-identifier identifies a storage location in the server (or is specific for the type of CE apparatus in some other way).
  • CE apparatus is in particular meant an Audio/Video device, like a VCR and CD player; a computer peripheral, like a scanner, printer, camera and digital loudspeakers; or a domestic appliance, such as a microwave, and coffee machine.
  • the invention is particularly suitable for those CE apparatuses which normally have no means for easily receiving a software update via, for instance, a CD-ROM, floppy-disk or a user-replaceable memory module.
  • the communication system includes a download server, an interface apparatus and at least one CE apparatus;
  • the download server includes a storage for storing operational firmware of the CE apparatus; and a communication interface for communication via the wide area network;
  • the interface apparatus includes a first communication interface for communication with the download server via a wide area network; and a second communication interface for communication with the CE apparatus via a local area network;
  • the CE apparatus includes a predetermined identifier identifying the download server with respect to the wide area network; and a communication interface for communication with the interface apparatus via the local area network;
  • the CE apparatus is operative to make the predetermined identifier available to the interface apparatus enabling the interface apparatus to establish communication with the identified download server; to receive the firmware from the interface apparatus; to store the firmware in a writeable storage medium; and to cause the downloaded firmware to be executed; and the interface apparatus is operative to receive the predetermined identifier from the CE apparatus; to establish communication with the identified download server; to receive the firmware from the identified download server and to transfer the firmware to the CE apparatus; the downloading being
  • An interface apparatus such as a PC or set top box, is used for providing the CE peripheral apparatus access to the remote download server.
  • users already have an apparatus at home capable of wide area communication.
  • such apparatuses are equipped with a local area network, such as USB or IEEE 1394, for communication to CE peripherals, such as a CD player, solid state player (like an MP3 player), scanner, camera, digital loudspeaker, etc.
  • a local area network such as USB or IEEE 1394
  • CE peripherals such as a CD player, solid state player (like an MP3 player), scanner, camera, digital loudspeaker, etc.
  • the CE apparatus has a button enabling the user to initiate the downloading in a simple way.
  • the button may be a soft button.
  • the apparatus has a physical push button which triggers the downloading without any further configuring or setting up by the user being required.
  • the CE apparatus identifies its firmware.
  • a download server using the same server identifier for several types of CE apparatuses, can download firmware for those different types of CE apparatuses, where the firmware identifier is used to locate the desired firmware.
  • the firmware identification may be simple, for instance, in the form of a product type.
  • the firmware identification indicates a software version, enabling the download server to determine whether or not a newer or improved version is available.
  • the method of automatically downloading operational firmware from a download server to a CE apparatus includes retrieving a predetermined identifier from the CE apparatus; the identifier identifying the download server with respect to a wide area network; causing the operational firmware to be downloaded from a storage medium of the download server identified by the predetermined identifier via the wide area network; causing the downloaded operational firmware to be stored in a writeable storage medium of the CE apparatus; and causing the downloaded firmware to be executed by the CE apparatus.
  • a method of automatically downloading operational firmware from a download server to a CE apparatus includes executing the following steps in an interface apparatus: retrieving a predetermined identifier from the CE apparatus via a local area network; the identifier identifying the download server with respect to a wide area network; receiving the operational firmware from the download server via the wide area network; and transferring the downloaded operational software to the CE apparatus via the local area network.
  • a computer program product includes a program which is operative to cause the computer to perform above mentioned method. It is an object of the invention to provide an interface apparatus offering improved downloading of firmware from a download server into a CE apparatus.
  • the interface apparatus includes a first communication interface for communicating with the download server via a wide area network; and a second communication interface for communicating with the CE apparatus via a local area network; the interface apparatus is operative to receive the predetermined identifier from the CE apparatus; to establish communication with the identified download server; to receive the firmware from the identified download server and to transfer the firmware to the CE apparatus.
  • Figure 1 shows a block diagram of a system according to the invention with a download server and a CE apparatus
  • Figure 2 shows a block diagram of a system according to the invention with a download server, an interface apparatus and a CE apparatus;
  • Figure 3 slows a flow-diagram of the download method according to the invention
  • Figure 4 shows more details of the flow of information where the downloading takes place via an interface apparatus.
  • Figure 1 shows a block diagram of a system according to the invention with a download server 100 and a CE apparatus 110. Communication can be established between the download server 100 and the CE apparatus via a wide area network 120.
  • the server 100 and the CE apparatus 110 are directly connected via the wide area network.
  • the wide area network 120 normally comprises several switches.
  • additional equipment such as relays, bridges, routers, at the server or CE apparatus side may be involved in the wide area communication. With respect to the high- level interaction for the downloading according to the invention, such equipment provides no additional functionality and is ignored.
  • Examples of a wide area network are the normal telephone system and Internet. For the public Internet access to the wide area network is usually provided via an access provider, which is not shown.
  • the download server 100 includes a communication interface 130 for communication via the wide area network 120.
  • the interface 130 may be any suitable means, such as a telephone or cable modem, for providing the communication.
  • the download server 130 also includes or provides access to storage 140 which stores operational firmware of the CE apparatus 110.
  • the firmware is normally embedded code to be executed by an embedded processor 150 of the CE apparatus 110.
  • the firmware is usually in the form of executable code, but may also be in other suitable forms, such as interpretable code, like Java. The code may even exist of parameters setting for the already present embedded code, and in this way change the behavior of the embedded code.
  • the download server is implemented on a computer, such as a server system used by service providers in an Internet environment.
  • the CE apparatus 110 includes a communication interface 160 for communicating with the download server 100 via the wide area network 120.
  • the interface 160 may be any suitable means, such as a telephone or cable modem, for providing the communication.
  • the apparatus also includes a storage 170 for storing a predetermined identifier identifying the download server with respect to the wide area network.
  • the storage may be any suitable type, such as a pre-programmed or write-once memory for storing a permanent identifier like a ROM, CD-ROM or CD-R, or a rewriteable memory, such as EEPROM, a hard-disk or CD-RW.
  • solid state memories are used.
  • the memory may be permanent in the CE apparatus or be removable, e.g.
  • the identifier may take any suitable form. For instance, if the wide area network 120 is formed by the telephone network, via dialing-in into the server 100, the identifier may simply be a telephone number. Preferably, the full international code is for such a number, allowing the CE apparatus 110 to be used in the different areas as well as different countries. If the wide area network 120 is the public Internet, the identifier may be formed by a URL.
  • the CE apparatus 110 is operative to initiate the downloading. Normally, the downloading process will be controlled by the processor 150 of the CE apparatus, under control of a program.
  • the CE apparatus 110 establishes a communication channel with the download server 100 via the wide area network 120.
  • the download server 100 retrieves the firmware for the CE apparatus 110 and transfers the firmware to the CE apparatus 110.
  • the CE apparatus 110 receives the firmware and stores it in a writeable storage medium 180. Like described for the storage 170 of the identifier, any suitable type may be used. Both memories 170 and 180 may also be combined in the same physical memory.
  • execution of the firmware is enabled. Execution may be started immediately for instance by loading the firmware from EEPROM into the execution memory, which typically consists of RAM, and restarting the execution of the program represented by the firmware. Execution may also take place after explicitly resetting the CE apparatus (e.g. by powering-down the apparatus followed by powering-up), in which case the normal 'booting' process will load the new downloaded firmware automatically (assuming that the boot program knows or has been informed of the storage location (like memory address) of the firmware).
  • the download server 100 may be able to locate the desired software in its storage 140 simply by being accessed (e.g. the download server 100 is specific for one type of CE apparatus, and as such the server identifier corresponds to the firmware).
  • the identifier may also include more information, e.g. in the form of a URL, which allows the server to operate for different types of CE apparatuses. In this case the CE apparatus ensures that this information is transferred to the server to enable the server to retrieve the desired software. For a URL this automatically occurs within Internet.
  • the CE apparatus 110 may also store an additional firmware identifier which identifies the operational firmware. Such an identifier may for instance specify the type of CE apparatus and or the currently loaded firmware version.
  • FIG. 2 shows a block diagram of a system according to the invention with a download server 200, an interface apparatus 210 and a CE apparatus 220.
  • the download server 200 can be the same as described above with respect to figure 1.
  • the interface apparatus 210 includes a first communication interface 212 for communication with the download server 200 via a wide area network 250.
  • the wide area network 250 and communication technology may be as described above.
  • the interface apparatus can communicate with CE apparatuses via local area network 260. Shown are three CE apparatuses 220, 230, and 240, where details are only shown for CE apparatus 220.
  • the local area network may be any suitable type, such as USB, IEEE 1394, Ethernet, etc, being wired or wireless.
  • the local area network may be any topology, like point-to-point or bus/tree form, and may include one or more segments.
  • the network may also include different technologies, for instance coupled via bridges.
  • the interface apparatus 210 includes a second communication interface 214 for communication with the CE apparatus(es) via the local area network 260.
  • the CE apparatus 220 is of substantially the same construction as described for figure 1, where now the communication interface 222 is a local area network interface, such as an USB transceiver. As before, the CE apparatus 220 stores in a memory 224 a predetermined identifier identifying the download server with respect to the wide area network.
  • the firmware to be downloaded is to be executed by the processor 226.
  • the CE apparatus 220 makes the predetermined identifier available to the interface apparatus 210 enabling the interface apparatus 210 to establish communication with the identified download server 200.
  • the CE apparatus 220 takes the initiative for transferring the ID to the interface apparatus 210, however the interface apparatus 210 may also read the identifier from the CE apparatus 220 at its own initiative. In either case, the interface apparatus 210 receives the predetermined identifier from the CE apparatus 220 and establishes communication with the identified download server 200, analogous to already described for figure 1, where the CE apparatus establishes the communication.
  • the interface apparatus 210 receives the firmware from the identified download server 200 and transfer it to the CE apparatus 220.
  • the CE apparatus 220 receives the firmware (but now from the interface apparatus 210), stores the firmware in a writeable storage medium; and causes the downloaded firmware to be executed (immediately or later).
  • the CE apparatus 220 may include a firmware identifier identifying the operational firmware.
  • the CE apparatus 220 can make this firmware identifier available to the download server 200 enabling the download server 200 to retrieve optimal operational firmware suitable for the CE apparatus 220.
  • the CE apparatus 220 may actively transfer the identifier to the interface apparatus 210, which passes it onto the download server 200. Alternatively, the interface apparatus 210 may read it from the CE apparatus 220.
  • the downloading is initiated automatically.
  • the initiative may be taken by the CE apparatus (in both configurations as shown in figures 1 or 2), the interface apparatus (configuration of figure 2) or either
  • the downloading is initiated automatically as part of a first time installation of the CE apparatus.
  • the CE apparatus can check at power on whether firmware has already been downloaded or not.
  • the CE apparatus may store a flag in a re-writeable memory. This flag may be set by the manufacturer to indicate that no download has occurred yet and is changed to indicate that downloading has occurred after the downloading has been completed successfully.
  • the interface apparatus may use plug-and-play functionality of the local area network to detect that a CE apparatus is powered on. The interface apparatus may itself administrate whether already firmware has been downloaded to the CE apparatus or read a flag, similar to the one described above, from the CE apparatus.
  • the downloading may be initiated automatically at regular intervals in order to obtain up-to-date operational firmware.
  • the initiative may lie in either the CE apparatus or the interface apparatus. It is sufficient to store a time indication of the last download and to compare this to a current time indication to determine how long ago the last download occurred and, consequently, whether a new downloading is preferred. The comparison of the indications may occur each time the interface apparatus or CE apparatus is powered on.
  • the downloading may be initiated in response to a trigger from a user.
  • the initiative-taking apparatus CE apparatus or interface apparatus
  • the button is a physical push button. If the button is located on the interface apparatus, like a set top box, the activation of the button preferably triggers download of firmware for each downloadable CE apparatus of the system. In this way a user can simply upgrade an entire system by one button activation.
  • Figure 3 illustrates the method of automatically downloading operational firmware from a download server to a CE apparatus according to the invention.
  • the method includes step 310, wherein a predetermined identifier is retrieved from the CE apparatus.
  • the identifier may be read by the CE apparatus itself or by the interface apparatus.
  • the identifier identifies the download server with respect to a wide area network.
  • step 320 a connection is made with the identified download server via the wide area network. The connection may be established by the CE apparatus or by the interface apparatus.
  • the operational firmware is downloaded from a storage medium of the download server identified by the predetermined identifier.
  • the downloaded operational firmware is stored in a writeable storage medium of the CE apparatus.
  • the downloaded firmware is prepared for execution by the CE apparatus.
  • Figure 4 provides more detail of the method of automatically downloading operational firmware from a download server 420 to a CE apparatus 400 wherein the downloading occurs via an interface apparatus 410 operable to communicate with the download server 420 via the wide area network and to communicate with the CE apparatus 400 via a local area network.
  • the method includes step 430, wherein the predetermined identifier is transferred from the CE apparatus 400 to the interface apparatus 410.
  • the identifier may be read and send by the CE apparatus or may be read by the interface apparatus from the CE apparatus.
  • the identifier identifies the download server with respect to a wide area network and as such enables the interface apparatus 410 to establish communication with the identified download server 420.
  • a connection is made from the interface apparatus 410 with the identified download server 420 via the wide area network.
  • the operational firmware is downloaded from a storage medium of the download server 420 to the interface apparatus 410.
  • the downloaded operational software is transferred from the interface apparatus 410 to the CE apparatus 400 via the local area network.
  • the downloaded operational firmware is stored in a writeable storage medium of the CE apparatus 400.
  • the downloaded firmware is prepared for execution by the CE apparatus.
  • the functionality described by the invention is typically executed under control of a processor of the involved device, using conventional hardware.
  • the processor such as a PC-type processor, micro-controller or DSP-like processor, can be loaded with a program to perform the steps according to the invention.
  • the program is usually loaded from a background storage, such as a harddisk or ROM.
  • a computer program product can be used, for instance, to initially store the program in the background storage.
  • Such a product may be stored on a storage medium, like a CD-ROM, or may be distributed via a network, like the public Internet.
  • three different programs may be involved in executing the method according to the invention: a program in the server, one in the interface apparatus and one in the CE apparatus.

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Information Transfer Between Computers (AREA)
  • Stored Programmes (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)

Abstract

Système de communication comprenant un serveur de téléchargement (100) et au moins un dispositif CE (110). Ce serveur de téléchargement (100) comprend une interface de communication (130) servant à communiquer par l'intermédiaire d'un réseau étendu (120). Ce serveur mémorise également un micrologiciel opérationnel du dispositif CE (110) dans une mémoire (140). Ce dispositif CE (110) possède une interface de communication (160) servant à communiquer par l'intermédiaire du réseau étendu (120). Ce dispositif CE (110) mémorise un identificateur prédéterminé (170) identifiant le serveur de téléchargement (100) par rapport au réseau (120). Le dispositif CE (110) déclenche le téléchargement par établissement d'une communication avec le serveur identifié (100). Il reçoit le micrologiciel depuis le serveur de téléchargement (100), le mémorise dans un support de mémorisation enregistrable (180) et assure l'exécution du micrologiciel téléchargé par le processus (150).
EP00969475A 1999-10-25 2000-10-09 Telechargement de micrologiciel pour equipement ce Withdrawn EP1157332A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00969475A EP1157332A1 (fr) 1999-10-25 2000-10-09 Telechargement de micrologiciel pour equipement ce

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP99203505 1999-10-25
EP99203505 1999-10-25
PCT/EP2000/009955 WO2001031440A1 (fr) 1999-10-25 2000-10-09 Telechargement de micrologiciel pour equipement ce
EP00969475A EP1157332A1 (fr) 1999-10-25 2000-10-09 Telechargement de micrologiciel pour equipement ce

Publications (1)

Publication Number Publication Date
EP1157332A1 true EP1157332A1 (fr) 2001-11-28

Family

ID=8240776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00969475A Withdrawn EP1157332A1 (fr) 1999-10-25 2000-10-09 Telechargement de micrologiciel pour equipement ce

Country Status (7)

Country Link
EP (1) EP1157332A1 (fr)
JP (1) JP2003513354A (fr)
KR (1) KR20010103722A (fr)
CN (1) CN1199101C (fr)
BR (1) BR0007245A (fr)
TW (1) TW548594B (fr)
WO (1) WO2001031440A1 (fr)

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US20020174173A1 (en) * 2001-03-30 2002-11-21 Ravindranath Gunturu Self-downloading network client
KR100400458B1 (ko) * 2001-05-14 2003-10-01 엘지전자 주식회사 네트워크 가능한 가전기기의 프로토콜 업그레이드 방법
US6728662B2 (en) 2002-02-15 2004-04-27 Radiodetection Limited Method and system for remotely servicing a detection device
KR100442884B1 (ko) 2002-09-14 2004-08-02 삼성전자주식회사 펌웨어 업데이트 방법
JP2004229266A (ja) * 2002-11-29 2004-08-12 Sanyo Electric Co Ltd 家電ネットワークシステム、家電ネットワーク用アダプタ、インデックスサーバー、家電ネットワーク接続方法、家電ネットワーク用アダプタ制御方法、インデックスサーバーの動作方法
GB0907021D0 (en) * 2009-04-23 2009-06-03 Icera Inc Manufacturing process
CN102035799A (zh) * 2009-09-28 2011-04-27 广颖电通股份有限公司 伺服数据下载方法及其系统与可携式储存装置
WO2011040754A2 (fr) * 2009-09-29 2011-04-07 Lg Innotek Co., Ltd. Livre électronique et système de mise à jour de micrologiciel de livre électronique
KR102129245B1 (ko) * 2018-07-05 2020-07-02 주식회사 코아칩스 센서 프로토콜을 업데이트하기 위한 방법 및 시스템
KR102159875B1 (ko) * 2019-01-09 2020-09-24 주식회사 코아칩스 통합 센서 프로토콜 업데이트 시스템
CN110113191B (zh) * 2019-04-24 2023-05-30 深圳市泰信通信息技术有限公司 组网装置的联网方法、组网装置、控制服务器及存储介质

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Also Published As

Publication number Publication date
JP2003513354A (ja) 2003-04-08
TW548594B (en) 2003-08-21
CN1341239A (zh) 2002-03-20
WO2001031440A1 (fr) 2001-05-03
KR20010103722A (ko) 2001-11-23
BR0007245A (pt) 2001-10-30
CN1199101C (zh) 2005-04-27

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