CN1484160A - Method for updating operation system of embedded equipment by mainframe - Google Patents
Method for updating operation system of embedded equipment by mainframe Download PDFInfo
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- CN1484160A CN1484160A CNA021306850A CN02130685A CN1484160A CN 1484160 A CN1484160 A CN 1484160A CN A021306850 A CNA021306850 A CN A021306850A CN 02130685 A CN02130685 A CN 02130685A CN 1484160 A CN1484160 A CN 1484160A
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Abstract
The invention discloses a method for updating the operation system of embedded equipment through host computer, the invention uses the mobile net browsing function of embedded equipment, at first it realizes the wireless connection between embedded equipment and host computer in physical through setting the correspondent parameters of IEEE 802.11 wireless LAN protocol, then realizes the wireless connection in net through setting the IP address of embedded equipment and the subnet mask, the host sends the new operation system data to the embedded equipment through wireless network, the embedded equipment updates the operation system according to the received operation system data.
Description
Technical field
The present invention relates to computer realm, relate to a kind of method of upgrading the operating system of embedded device by main frame or rather.
Background technology
The volume of present embedded device is generally all smaller, stores its employed operating system and upper level applications so mostly use capacity and take all smaller memory device of physical space.Its employed operating system generally all adopts the embedded OS that can reduce, and such as Windows CE and flush type LINUX etc., the characteristics of these operating systems are that to take storage space smaller, can reduce 3M such as Windows CE minimum.
If the operating system of upgrading embedded device can adopt following three kinds of methods usually with the function of increase system and the performance of optimization system:
1, the memory device that has baked and be equipped with new operating system with replaces original memory device in the embedded device.
2, use Compact Flash (CF) to stick into the automatic renewal of the operating system of capable embedded device.
3, embedded device is linked to each other with a main frame, new operating system is transferred to embedded device, thereby realize the upgrading of the operating system of embedded device by main frame.
In the method for these three kinds of upgrading operation systems, first method is because the inner structure of embedded device is very tight, therefore all compare difficult to installation, the dismounting of wherein memory device, the equipment installation, maintenance and the maintainer that need specialty could realize, and the easy disassembling of embedded device be caused the damage of related hardware.
Second method needs embedded device to have the support of CF card reader to realize, and general embedded device does not have the CF card reader, if adopt the method then can increase the cost of embedded device.
The third method realizes the upgrading of the operating system of embedded device as the upgrade method that is embedded into the widely used operating system of formula equipment by the communication between host side application program and the embedded device end application program.In this method,, can adopt connected modes such as serial ports, parallel port, Ethernet interface, infrared and USB usually in order to realize the communication between main frame and the embedded device.For serial ports and parallel port connected mode, because transfer rate is lower, extendible peripheral applications is also fewer, and therefore most of embedded devices do not provide serial ports and parallel port at present; For the Ethernet interface connected mode, need to increase in addition Ethernet interface to realize the communication of the two, therefore can increase the cost of embedded device; For infrared connected mode, because transfer rate is slow, connect also more complicated, and present most PC do not provide the support of infrared port yet, so this connected mode is impracticable; For the USB connected mode, embedded device must work under pattern, therefore the USB interface that is used on the embedded device being connected with main frame under normal conditions can not be as the USB interface of ordinary meaning, embedded device need increase a USB interface that works in from pattern, and a lot of CPU, CPU such as the X86 framework, itself to the support of such USB interface, does not work in the cost that just is bound to increase embedded device from the USB interface of pattern so original equipment manufacturer (OEM) will increase by one in embedded device.
Therefore, in the method for this operating system of upgrading embedded device by main frame, there are two kinds of problems in the interface that is adopted when connecting embedded device and main frame, a kind of is that the transfer rate of interface is low, thereby the speed that causes upgrading operating system is low, another kind is to need to increase in addition interface, thereby needs to increase the cost of product.
Summary of the invention
The memory device not easy to assemble that in view of the above embedded device is run into when upgrading operating system, to upgrade the speed of operating system low and need to increase the problems such as cost of embedded device, and increasing embedded device all has IEEE 802.11 protocol of wireless local area network, can realize mobile Internet access, fundamental purpose of the present invention provides a kind of method of upgrading the operating system of embedded device, and this method utilizes the wireless connections of embedded device and main frame to upgrade the operating system of embedded device.
Realize that technical scheme of the present invention is such: a kind ofly upgrade the method for the operating system of embedded device by main frame, this main frame and embedded device have IEEE 802.11 protocol of wireless local area network, it is characterized in that this method may further comprise the steps at least:
A. dispose respectively in embedded device and the main frame and the relevant parameter of IEEE 802.11 protocol of wireless local area network, set up the wireless connections physically of embedded device and main frame;
B. dispose the IP address and the subnet mask of embedded device, make itself and host work within the same network segment, set up embedded device and main frame being communicated with on wireless network;
C. main frame is given embedded device with the new operating system file data of embedded device by wireless network transmissions;
D. embedded device receives new operating system file data, upgrades the operating system of embedded device.
Among the described step a, the wireless connections physically of embedded device of being realized and main frame can be machine station pattern, the wireless network card of embedded device is connected with the wireless network card of main frame by network bridge, thereby realizes the wireless connections of embedded device and main frame.
Among the described step a, the wireless connections physically of embedded device of being realized and main frame can also be ad hoc mode, and the wireless network card of embedded device directly is connected with the wireless network card of main frame, thereby realize the wireless connections of embedded device and main frame.
The operating system of using method of the present invention to upgrade embedded device does not need disassemblerassembler, so can not cause the damage of the hardware of embedded device; Because its applied 802.11 agreements have 11Mbps or higher wireless transmission rate ensures, so can finish the renewal of the operating system of embedded device with higher efficient; For OEM vendor, only need utilize the radio network functions of equipment fully, and need on hardware, not increase distinctive interface, equipment for the renewal that realizes embedded device operating system or special-purpose line is provided, reduced the manufacturing cost of equipment.
The application program and all kinds of document that use method of the present invention to upgrade to run on the operating system of being upgraded.
Because increasing embedded device can be realized getting online without being tethered to a cable by 802.11 agreements, and 802.11 agreements are also ripe gradually technically, along with progressively popularizing of this agreement, advantage of the present invention can be more and more obvious, and the scope of application also can be more and more wider.
Description of drawings
Fig. 1 passes through 802.11 agreement wireless connections main frames for embedded device, and utilizes main frame to upgrade the workflow diagram of operating system.
Embodiment
The present invention is further detailed explanation below in conjunction with drawings and the specific embodiments.
The present invention utilizes embedded device to realize the radio interconnected of embedded device and main frame by the mobile Internet access function that 802.11 agreements realize, by the operating system of main frame renewal embedded device, wherein employed 802.11 agreements can be 802.11a, 802.11b, 802.11e or 802.11g agreement.
Below be the concrete steps of the inventive method:
A. respectively in configure host and the embedded device with 802.11 protocol-dependent parameters, to reach between the two wireless connections physically.802.11 agreement mainly provides two kinds of wireless connections modes at present, a kind of is machine station pattern, the wireless network card of embedded device is connected with the wireless network card of main frame by network bridge (Access Point is called for short AP), thus the wireless connections between realization embedded device and the main frame; Another kind is an ad hoc mode, and the wireless network card and the wireless network card on the main frame of embedded device directly carried out wireless connections, thereby realizes the wireless connections between embedded device and the main frame.Specifically select for use which kind of wireless connections mode to decide by configuration to the parameter on 802.11 agreements.
Wherein, the wireless network card on AP and embedded device and the main frame should comprise interfaces such as PCMCIA, USB, MINI PCI, PCI or CF.
B. dispose the IP address and the subnet mask of embedded device, with same gateway embedded device and main frame are managed realizing, thereby the two is operated within the same network segment and realizes the two connection on wireless network.
C. host computer using socket (Socket) programming is given embedded device with the new operating system file data of embedded device by wireless network transmissions.
D. embedded device receives new operating system file data, is new operating system with original operating system update in the embedded device, thereby realizes the renewal of embedded device operating system.
The application program and all kinds of document that use method of the present invention to upgrade to run on the operating system of being upgraded.
Method of the present invention meets the trend that wireless network replaces cable network, and the mobility of the embedded device that made full use of, and has reduced the inconvenience because of using wired connection to bring for embedded device in operation.
Claims (3)
1, a kind ofly upgrade the method for the operating system of embedded device by main frame, this main frame and embedded device have IEEE 802.11 protocol of wireless local area network, it is characterized in that this method may further comprise the steps at least:
A. dispose respectively in embedded device and the main frame and the relevant parameter of IEEE 802.11 protocol of wireless local area network, set up the wireless connections physically of embedded device and main frame;
B. dispose the IP address and the subnet mask of embedded device, make itself and host work within the same network segment, set up embedded device and main frame being communicated with on wireless network;
C. main frame is given embedded device with the new operating system file data of embedded device by wireless network transmissions;
D. embedded device receives new operating system file data, upgrades the operating system of embedded device.
2, method according to claim 1, it is characterized in that: among the described step a, the wireless connections physically of embedded device of being realized and main frame are machine station pattern, and the wireless network card of embedded device is connected with the wireless network card of main frame by network bridge.
3, method according to claim 1 is characterized in that: among the described step a, the wireless connections physically of embedded device of being realized and main frame are ad hoc mode, and the wireless network card of embedded device directly is connected with the wireless network card of main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021306850A CN1484160A (en) | 2002-09-18 | 2002-09-18 | Method for updating operation system of embedded equipment by mainframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021306850A CN1484160A (en) | 2002-09-18 | 2002-09-18 | Method for updating operation system of embedded equipment by mainframe |
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| CN1484160A true CN1484160A (en) | 2004-03-24 |
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| CNA021306850A Pending CN1484160A (en) | 2002-09-18 | 2002-09-18 | Method for updating operation system of embedded equipment by mainframe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465890C (en) * | 2004-07-15 | 2009-03-04 | Lg电子株式会社 | System and method for downloading ROM image to wireless terminal |
| CN103164232A (en) * | 2011-12-08 | 2013-06-19 | 腾讯科技（深圳）有限公司 | Method and system of updating intelligent terminal operating system and computer |
| RU2507710C2 (en) * | 2010-10-28 | 2014-02-20 | Эппл Инк. | Method of receiving access control client, method of modifying device operating system, wireless device and network device |
| CN105516011A (en) * | 2015-12-16 | 2016-04-20 | 深圳市慧为智能科技股份有限公司 | Serial number updating method and system |
-
2002
- 2002-09-18 CN CNA021306850A patent/CN1484160A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465890C (en) * | 2004-07-15 | 2009-03-04 | Lg电子株式会社 | System and method for downloading ROM image to wireless terminal |
| RU2507710C2 (en) * | 2010-10-28 | 2014-02-20 | Эппл Инк. | Method of receiving access control client, method of modifying device operating system, wireless device and network device |
| CN103164232A (en) * | 2011-12-08 | 2013-06-19 | 腾讯科技（深圳）有限公司 | Method and system of updating intelligent terminal operating system and computer |
| CN103164232B (en) * | 2011-12-08 | 2017-08-18 | 腾讯科技（深圳）有限公司 | Update method, system and the computer of intelligent terminal operation system |
| CN105516011A (en) * | 2015-12-16 | 2016-04-20 | 深圳市慧为智能科技股份有限公司 | Serial number updating method and system |
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