CN101789964A - Remote control and data monitoring method on embedded device - Google Patents

Remote control and data monitoring method on embedded device Download PDF

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Publication number
CN101789964A
CN101789964A CN201010011488A CN201010011488A CN101789964A CN 101789964 A CN101789964 A CN 101789964A CN 201010011488 A CN201010011488 A CN 201010011488A CN 201010011488 A CN201010011488 A CN 201010011488A CN 101789964 A CN101789964 A CN 101789964A
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China
Prior art keywords
data
browser
remote equipment
embedded
equipment
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CN201010011488A
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Chinese (zh)
Inventor
黎隽毅
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山东高效能服务器和存储研究院
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Priority to CN201010011488A priority Critical patent/CN101789964A/en
Publication of CN101789964A publication Critical patent/CN101789964A/en

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Abstract

The invention provides a remote control and data monitoring method on an embedded device. A common Web browser is arranged at a client side of a user and sends an instruction to far end equipment by the operation on a webpage; by sending the instruction and calling the program in the embedded system, far end equipment is operated or data information of the far end equipment can be acquired; and by returning a JSON data exchange format, the returned data is displayed on the browser of the user or operation is displayed on the browser of the user. The Web control system in the invention not only has strong information service function, but also has the characteristics of low power consumption and direct operation on hardware equipment of the embedded system; the client side has low collocation requirement and can be operated as long as a computer or a mobile terminal capable of getting online is needed; all programs are executed at a server terminal, and the server only returns the execution result to the browser of the user, thus reducing load of the browser of the user, improving interaction speed greatly and being widely used in control and management of far end embedded equipment.

Description

A kind of Long-distance Control and data monitoring method to embedded device

Technical field

The present invention relates to a kind of Computer Applied Technology field or web remote control field, specifically a kind of Long-distance Control and data monitoring method to embedded device are used for control and management to the far-end embedded device.

Background technology

Along with development of computer network, people more and more carry out far-end control and management by web to equipment, realize management long-range, unmanned, synthesization to reach.Embedded device is because its cheap price strong functions is widely applied to various aspects.People wish to visit and control them by a kind of general mode of being familiar with efficiently.So, embedded device is connected on the internet, with the web browser of standard with carry out remote access and control, be the mode of people's first-selection.This embedded device with internet access can be applied in many occasions: as fields such as information household appliances, wired home management system, monitoring of tools, industrial automations

ASP dynamic state server web technologies by the script platform of Microsoft's exploitation, is a kind of server end technology that generates the Dynamic Web page.Be used for IIS at first, now be transplanted in the various platforms that comprise embedded device web server, use the suffix of the webpage of ASP technology to be generally .asp.Support the embedded web server of asp technology that goahead etc. is arranged.

JSON is a kind of exchanges data language of lightweight, is a subclass at Javascript, and the characteristic of easy refining is arranged, and is specially adapted to the return data of remote embedded equipment.

WML and HTML are similar, are used to work out the netspeak of WAP browser identification.ASP combines with WML and can generate abundant dynamic WML webpage, and the WAP mobile phone access is convenient, and is abundant in content.

Summary of the invention

The purpose of this invention is to provide a kind of Long-distance Control and data monitoring method to embedded device.

The objective of the invention is to realize in the following manner, method step is as follows:

User client is common WEB browser, by the operation on webpage, send instruction to remote equipment, by sending instruction and calling program in the embedded system, remote equipment is operated or is obtained the data message of remote equipment, by returning the JSON data interchange format, on user browser, show the operation that the data returned or demonstration are carried out, method step is as follows:

1) client visits the web server of far-end by browser in the web mode, and this web server is to be erected on the embedded device;

2) client sends instruction to far-end web server in browser, and following several mode is taked in the transmission of instruction:

(1) client sends the list of band command word, and the concrete implication of its command word is arranged in advance by the developer, and Web server is analyzed after receiving this packets of information, makes remote equipment carry out corresponding operating;

(2) client adopts the asp procedural mode, in the Web page, embed the ASP script, script executing adopts the form of label "<% " script " %〉", when showing dynamic content, ASP label in the web page and specific C function need be linked together, this needs the definition C function corresponding with the asp process in web server sound code file in advance, when this asp page face of click, promptly carries out this C function at server end;

3) remote equipment is carried out command adapted thereto after receiving instruction, need call slave unit or inquiry slave unit state, and far-end carries out corresponding operating to slave unit, and waits for return value;

4) Web server returns execution result or corresponding data with the JSON data structure to client browser after obtaining the signal that remote equipment is finished;

5) demonstrate executing state or consult the result at client browser, wait for instruction next time; Wherein: (1) takes the asynchronous mode of obtaining data, and return data needs certain hour, and the client should show " LOADING " or " wait printed words " at the page after sending order by browser, shows concrete corresponding contents again after pending data returns fully;

(2) because of the web server generally just operates in long-range ARM embedded device, recommend when instructing to adopt the asp procedural mode so send, make remote equipment have higher flexibility and operability;

6) in the ASP process, c program in the source code in the remote equipment, its function form need satisfy intAspProcName (int ejid, webs_t wp, int argc, chart_t**argv) form, wherein, the ejid parameter is as JavaScript interpreter sentence and can be used for calling the JavaScript correlation function, and the sentence that the wp parameter connects as browser also, can be used for the invoking server function, argc and argv comprise the number and the content of the real ginseng that passes to the asp process;

When 7) carrying out query task, when comprising a plurality of database in inquiry strange land, in the demanding system of real-time, no matter whether the web browser receives instruction, remote equipment should be in real time and the continuous swap data of slave unit, remote data should keep real-time update in the internal memory of equipment, can significantly improve response speed when receiving query statement;

8) to the exchange data using IPMI protocol mode of transducer; When carrying out remote operation, equipment is not finished last operation as yet, the web server is received new instruction again, and this moment, the web server need be stored in the formation newly instructing, treat that last operation is finished after, again remote equipment is operated, the remote equipment time of implementation far surpasses expection, and this moment, the web server should stop to send newer command and sending reset command to it to equipment, received any request of browser this moment, return error message all at once, recover normal until remote equipment;

9) return data adopts JSON array mode, and because of the JSON data format is the primary form of JavaScript, display page adopts JavaScript to write.

Remote equipment is for adopting the embedded device of ARM architectural framework.

The form of return data is based on the JSON specification.

The local web browser that adopts is operated, when sending instruction or data query, and before the remote equipment return data, can prompting " wait " or " LOADING " sign on the local page.

The page also adopts the WML form except that adopting traditional html format, make things convenient for the visit and the operation of portable equipments such as mobile phone, PDA.

Excellent effect of the present invention is: the embedded web server of employing, have the multiple version of increasing income, and with low cost, development difficulty is low.Web control system among the present invention had both had the powerful function serving information of Web server, has embedded system low-power consumption again, hardware device is operated direct characteristics.In the native system, client configuration requires extremely low, and the computer or the portable terminal that only need to surf the Net can be operated.And all programs all carry out at server end, and the result that server only will be carried out returns to client browser, has so also just alleviated the burden of client browser, has improved mutual speed greatly.Can be widely used in control and management to the far-end embedded device.

Description of drawings

Accompanying drawing 1 is system's basic structure schematic diagram;

Accompanying drawing 2 inquiry system operational flow diagram;

Accompanying drawing 3 remote operating system operational flow diagram.

Embodiment

Explain below with reference to Figure of description method of the present invention being done.

As shown in Figure 1, user client is common WEB browser, by the operation on webpage, send instruction to remote equipment, by sending instruction and call program in the embedded system, the data message of remote equipment is operated or obtained to remote equipment, by returning the JSON data interchange format, the operation that data that demonstration is returned on user browser or demonstration are carried out, method step is as follows:

1) client visits the web server of far-end in the web mode by browser.This web server is to be erected on the embedded device.

2) client sends instruction to far-end web server in browser.

The transmission of instruction can be taked following several mode:

(1). the client can send the list of band command word, and the concrete implication of its command word is arranged in advance by the developer.Web server is analyzed after receiving this packets of information, makes remote equipment carry out corresponding operating.

(2). the client can adopt the asp procedural mode, embeds the ASP script in the Web page, and script executing adopts the form of label "<% " script " %〉".When showing dynamic content, ASP label in the web page and specific C function need be linked together.This needs the definition C function corresponding with the asp process in web server sound code file in advance.When this asp page face of click, promptly carry out this C function at server end.

1. remote equipment is carried out command adapted thereto after receiving instruction.Call slave unit (as the KVM remote operation etc.) or inquiry slave unit state (consult reading in real time or consult database etc.) as need, far-end carries out corresponding operating to slave unit, and waits for return value.

2.Web server returns execution result or corresponding data with the JSON data structure to client browser after obtaining the signal that remote equipment is finished.

Demonstrate executing state or consult the result at client browser, wait for instruction next time.

Because of taking the asynchronous mode of obtaining data, return data needs certain hour.The client should show " LOADING " or " wait printed words " at the page after sending order by browser, shows concrete corresponding contents again after pending data returns fully.

Because of the web server generally just operates in long-range ARM embedded device, recommend when instructing to adopt the asp procedural mode so send, can make remote equipment have higher flexibility and operability.

In the ASP process, the c program in the source code in the remote equipment, its function form need satisfy intAspProcName (int ejid, webs_t wp, int argc, form chart_t**argv).Wherein, the ejid parameter is as JavaScript interpreter sentence and can be used for calling the JavaScript correlation function, the sentence that the wp parameter connects as browser also can be used for the invoking server function, and argc and argv comprise the number and the content of the real ginseng that passes to the asp process.

When carrying out query task, its basic process as shown in Figure 2.

When cause was carried out query task, data volume was generally bigger, and is especially when a plurality of database in inquiry strange land, consuming time especially long.So in the demanding system of real-time, no matter whether the web browser receives instruction, remote equipment should be in real time and the continuous swap data of slave unit, and remote data should keep real-time update in the internal memory of equipment.When receiving query statement, can significantly improve response speed.

Exchanges data to transducer etc. can adopt the IPMI protocol mode.

When carrying out remote operation, its basic process as shown in Figure 3.

If when carrying out remote operation, if equipment is not finished last operation as yet, the web server is received new instruction again.This moment, the web server need be stored in the formation newly instructing, treat that last operation is finished after, again remote equipment is operated.If the remote equipment time of implementation far surpasses expection, this moment, the web server should stop to send newer command and sending reset command to it to equipment, and receive any request of browser this moment, returns error message all at once, recovers normal until remote equipment.

Return data adopts JSON array mode.Because of the JSON data format is the primary form of JavaScript, display page preferably adopts JavaScript to write

Between client and the embedded device because of adopting web mode, no distance limit.The connected mode of remote equipment and slave unit can adopt modes such as serial, I2C, QPI bus.

Except that the described technical characterictic of specification, be the known technology of those skilled in the art.

Claims (4)

1. Long-distance Control and data monitoring method to an embedded device, it is characterized in that, user client is common WEB browser, by the operation on webpage, send instruction to remote equipment, by sending instruction and calling program in the embedded system, remote equipment is operated or is obtained the data message of remote equipment, by returning the JSON data interchange format, on user browser, show the operation that the data returned or demonstration are carried out, method step is as follows:
1) client visits the web server of far-end by browser in the web mode, and this web server is to be erected on the embedded device;
2) client sends instruction to far-end web server in browser, and following several mode is taked in the transmission of instruction:
(1) client sends the list of band command word, and the concrete implication of its command word is arranged in advance by the developer, and Web server is analyzed after receiving this packets of information, makes remote equipment carry out corresponding operating;
(2) client adopts the asp procedural mode, in the Web page, embed the ASP script, script executing adopts the form of label "<% " script " %>", when showing dynamic content, ASP label in the web page and specific C function need be linked together, this needs the definition C function corresponding with the asp process in web server sound code file in advance, when this asp page face of click, promptly carries out this C function at server end;
3) remote equipment is carried out command adapted thereto after receiving instruction, need call slave unit or inquiry slave unit state, and far-end carries out corresponding operating to slave unit, and waits for return value;
4) Web server returns execution result or corresponding data with the JSON data structure to client browser after obtaining the signal that remote equipment is finished;
5) demonstrate executing state or consult the result at client browser, wait for instruction next time; Wherein: (1) takes the asynchronous mode of obtaining data, and return data needs certain hour, and the client should show " LOADING " or " wait printed words " at the page after sending order by browser, shows concrete corresponding contents again after pending data returns fully;
(2) because of the web server generally just operates in long-range ARM embedded device, recommend when instructing to adopt the asp procedural mode so send, make remote equipment have higher flexibility and operability;
6) in the ASP process, c program in the source code in the remote equipment, its function form need satisfy intAspProcName (int ejid, webs_t wp, int argc, chart_t * * argv) form, wherein, the ejid parameter is as JavaScript interpreter sentence and be used for calling the JavaScript correlation function, and the sentence that the wp parameter connects as browser also, be used for the invoking server function, argc and argv comprise the number and the content of the real ginseng that passes to the asp process;
When 7) carrying out query task, when comprising a plurality of database in inquiry strange land, in the demanding system of real-time, no matter whether the web browser receives instruction, remote equipment should be in real time and the continuous swap data of slave unit, remote data should keep real-time update in the internal memory of equipment, can significantly improve response speed when receiving query statement;
8) to the exchange data using IPMI protocol mode of transducer; When carrying out remote operation, equipment is not finished last operation as yet, the web server is received new instruction again, and this moment, the web server need be stored in the formation newly instructing, treat that last operation is finished after, again remote equipment is operated, the remote equipment time of implementation far surpasses expection, and this moment, the web server should stop to send newer command and sending reset command to it to equipment, received any request of browser this moment, return error message all at once, recover normal until remote equipment;
9) return data adopts JSON array mode, and because of the JSON data format is the primary form of JavaScript, display page adopts JavaScript to write.
2. require described method according to right 1, it is characterized in that: remote equipment is for adopting the embedded device of ARM architectural framework.
3. method according to claim 1 is characterized in that, the local web browser that adopts is operated, when sending instruction or data query, and before the remote equipment return data, can prompting " wait " or " LOADING " sign on the local page.
4. method according to claim 1 is characterized in that, the page also adopts the WML form except that adopting traditional html format, make things convenient for the visit and the operation of portable equipments such as mobile phone, PDA.
CN201010011488A 2010-01-19 2010-01-19 Remote control and data monitoring method on embedded device CN101789964A (en)

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Cited By (20)

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Publication number Priority date Publication date Assignee Title
CN102185707A (en) * 2011-04-15 2011-09-14 浪潮电子信息产业股份有限公司 Method for expanding IPMI (Intelligent Platform Management Interface) protocol of server management
CN102420870A (en) * 2011-12-02 2012-04-18 山东大学 Network file storage method for thin client
CN102426547A (en) * 2011-09-29 2012-04-25 深圳市万兴软件有限公司 Method and system for recovering cloud data
CN102436509A (en) * 2011-12-29 2012-05-02 奇智软件(北京)有限公司 Method and system for browsing webpage at mobile terminal
CN103064667A (en) * 2012-12-06 2013-04-24 郑州威科姆科技股份有限公司 Method for controlling hardware equipment based on JavaScript extension
CN103092732A (en) * 2013-01-23 2013-05-08 加弘科技咨询(上海)有限公司 System used for dynamically monitoring device by scripts
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CN103634327A (en) * 2013-12-16 2014-03-12 百度在线网络技术(北京)有限公司 Remote terminal control method and remote terminal control device
CN104038527A (en) * 2013-03-08 2014-09-10 腾讯科技(深圳)有限公司 Remote operation method and system
CN104135537A (en) * 2014-08-15 2014-11-05 深圳科士达科技股份有限公司 Method and system for monitoring photovoltaic inverter by using embedded WEB server
CN105022708A (en) * 2014-04-18 2015-11-04 昆达电脑科技(昆山)有限公司 Communication method of multi-node server
CN105162819A (en) * 2015-06-19 2015-12-16 北京世纪东方国铁科技股份有限公司 Remote management method and remote management system for embedded equipment
WO2016011842A1 (en) * 2014-07-25 2016-01-28 中兴通讯股份有限公司 Webpage-based remote device management method, apparatus, and storage medium
CN105554073A (en) * 2015-12-08 2016-05-04 锐达互动科技股份有限公司 Method for realizing centralized management control of hardware equipment through combination of CS framework and BS framework
CN105955767A (en) * 2011-06-22 2016-09-21 联想(北京)有限公司 Mode switching method and terminal equipment
WO2016180082A1 (en) * 2015-05-14 2016-11-17 成都艾尔伯特科技有限责任公司 Universal integrated device manager
CN107343038A (en) * 2017-06-30 2017-11-10 山东超越数控电子有限公司 A kind of remote real-time monitoring device and method based on IPMI
CN109542074A (en) * 2019-01-04 2019-03-29 中国科学技术大学 For the experimental provision control system and method for low-bandwidth remote link
CN109737975A (en) * 2018-12-21 2019-05-10 北京四维图新科技股份有限公司 Map data collecting monitoring method, apparatus and system
CN110071958A (en) * 2019-02-01 2019-07-30 西安电子科技大学 Sensor node control method based on embedded type web

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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102185707A (en) * 2011-04-15 2011-09-14 浪潮电子信息产业股份有限公司 Method for expanding IPMI (Intelligent Platform Management Interface) protocol of server management
CN105955767A (en) * 2011-06-22 2016-09-21 联想(北京)有限公司 Mode switching method and terminal equipment
CN102426547B (en) * 2011-09-29 2013-09-25 深圳万兴信息科技股份有限公司 Method and system for recovering cloud data
CN102426547A (en) * 2011-09-29 2012-04-25 深圳市万兴软件有限公司 Method and system for recovering cloud data
CN102420870A (en) * 2011-12-02 2012-04-18 山东大学 Network file storage method for thin client
CN102436509A (en) * 2011-12-29 2012-05-02 奇智软件(北京)有限公司 Method and system for browsing webpage at mobile terminal
CN102436509B (en) * 2011-12-29 2014-07-02 奇智软件(北京)有限公司 Method and system for browsing webpage at mobile terminal
US9935811B2 (en) 2012-08-01 2018-04-03 Tencent Technology (Shenzhen) Company Limited Method, web server and system for remote control
WO2014019490A1 (en) * 2012-08-01 2014-02-06 Tencent Technology (Shenzhen) Company Limited Method, web server and system for remote control
CN103581253A (en) * 2012-08-01 2014-02-12 腾讯科技(深圳)有限公司 Method for remote control, Web server and system for remote control
CN103064667A (en) * 2012-12-06 2013-04-24 郑州威科姆科技股份有限公司 Method for controlling hardware equipment based on JavaScript extension
CN103092732B (en) * 2013-01-23 2016-08-17 加弘科技咨询(上海)有限公司 Utilize the system of the dynamic monitoring device of script
CN103092732A (en) * 2013-01-23 2013-05-08 加弘科技咨询(上海)有限公司 System used for dynamically monitoring device by scripts
CN104038527A (en) * 2013-03-08 2014-09-10 腾讯科技(深圳)有限公司 Remote operation method and system
WO2014134950A1 (en) * 2013-03-08 2014-09-12 Tencent Technology (Shenzhen) Company Limited Remote operation method and system
CN103634327B (en) * 2013-12-16 2017-11-17 百度在线网络技术(北京)有限公司 The long-range control method and device of terminal
CN103634327A (en) * 2013-12-16 2014-03-12 百度在线网络技术(北京)有限公司 Remote terminal control method and remote terminal control device
CN105022708A (en) * 2014-04-18 2015-11-04 昆达电脑科技(昆山)有限公司 Communication method of multi-node server
WO2016011842A1 (en) * 2014-07-25 2016-01-28 中兴通讯股份有限公司 Webpage-based remote device management method, apparatus, and storage medium
CN104135537A (en) * 2014-08-15 2014-11-05 深圳科士达科技股份有限公司 Method and system for monitoring photovoltaic inverter by using embedded WEB server
WO2016180082A1 (en) * 2015-05-14 2016-11-17 成都艾尔伯特科技有限责任公司 Universal integrated device manager
CN105162819A (en) * 2015-06-19 2015-12-16 北京世纪东方国铁科技股份有限公司 Remote management method and remote management system for embedded equipment
CN105554073A (en) * 2015-12-08 2016-05-04 锐达互动科技股份有限公司 Method for realizing centralized management control of hardware equipment through combination of CS framework and BS framework
CN107343038A (en) * 2017-06-30 2017-11-10 山东超越数控电子有限公司 A kind of remote real-time monitoring device and method based on IPMI
CN109737975A (en) * 2018-12-21 2019-05-10 北京四维图新科技股份有限公司 Map data collecting monitoring method, apparatus and system
CN109542074A (en) * 2019-01-04 2019-03-29 中国科学技术大学 For the experimental provision control system and method for low-bandwidth remote link
CN110071958A (en) * 2019-02-01 2019-07-30 西安电子科技大学 Sensor node control method based on embedded type web
CN110071958B (en) * 2019-02-01 2020-07-28 西安电子科技大学 Sensor node control method based on embedded web

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