CN105635312A - Method for realizing communication of multiple local area networks based on WinCE system and single network card - Google Patents
Method for realizing communication of multiple local area networks based on WinCE system and single network card Download PDFInfo
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- CN105635312A CN105635312A CN201610047128.2A CN201610047128A CN105635312A CN 105635312 A CN105635312 A CN 105635312A CN 201610047128 A CN201610047128 A CN 201610047128A CN 105635312 A CN105635312 A CN 105635312A
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- mobile unit
- interface card
- local area
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2858—Access network architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
Abstract
The invention discloses a method for realizing communication of multiple local area networks based on a WinCE system and a single network card. The method comprises the following steps: 1) connecting a target vehicular device and a plurality of target local area network devices to an internet of things; 2) storing an IP address necessary for communicating with the target local area network devices in the target vehicular device based on the WinCE system in the form of a configuration file; 3) when starting the target vehicular device, starting a pre-established IP configuration module, reading the configuration file, and setting the IP of the network card of the target vehicular device according to the configuration file; and starting an application program of the target vehicular device to communicate with the plurality of target local area network devices. By adopting the method disclosed by the invention, on the basis of the original structure of the vehicular device that is based on the WinCE system and only has the single network card, by adding a simple configuration application program, the communication of the single network card device with the plurality of target local area network devices can be realized, the implementation method is simple, the operation is convenient, and the necessary cost is reduced to the minimum.
Description
Technical field
The present invention relates to vehicle equipment communication technical field, particularly relate to a kind of method realizing many local area network communication based on WinCE system Single NIC.
Background technology
Along with the progress of informatization, information technology is becoming the important impetus of economy and social development, and living to human being's production brings far-reaching influence, and the arrival of big data age so that network communication applications is more and more extensive. For vehicle-mounted ethernet communication network, its network structure also becomes increasingly complex, multiple LAN is generally had under same applied environment, the distribution of IP network section is different, and practical application usually needs accessed to by equipment the In-vehicle networking of complexity realizes the mutual of data, especially for the data acquisition equipment based on ethernet communication, it usually needs gather the data of each LAN simultaneously.
Embedded WinCE operating system uses widely on mobile unit, but the Ethernet interface of original mobile unit based on WinCE system is generally more single, generally only possesses single network communication interface, and the WinCE system of standard do not support the multiple IP(InternetProtocol of single network card configuration, interconnection protocol between network) function, thus it is mutual simultaneously can not to carry out Ethernet data with multiple local area network equipment based on the mobile unit of the single network interface card of WinCE system, when especially needing to carry out data interaction between the LAN of each different segment, the communication requirement of complicated In-vehicle networking at present cannot be met based on the mobile unit of WinCE system. in order to realize mobile unit and the communication of many lan devices, current solution is generally all consider from hardware designs, based on WinCE operating system by increasing network interface or directly changing the operating system of mobile unit, but this all can improve hardware cost, software development cost greatly, also increases the construction cycle of product simultaneously. therefore, currently running WinCE operating system and only possess the mobile unit of single network interface card and be capable of the communication of many local area network equipment and become problem demanding prompt solution how can be allowed.
Summary of the invention
The technical problem to be solved in the present invention is that for the technical problem that prior art exists, the present invention provides a kind of method realizing many local area network communication based on WinCE system Single NIC, can based on the original soft-hardware configuration basis of mobile unit of WinCE system, realize Single NIC and the communication of many local area network equipment, and the method that realizes is simple, simple operation and required cost low.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is:
A kind of method realizing many local area network communication based on WinCE system Single NIC, step includes:
1) target mobile unit, multiple target LAN network equipment are connected in an internet of things;
2) will need the IP address required with each target LAN ruton letter, to store to based in the target mobile unit of WinCE system with configuration file form;
3) when target mobile unit starts, start the IP pre-build and configure module, configured module by described IP and read described configuration file, and carry out IP setting according to described configuration file to having network interface card in the target mobile unit of Single NIC, make the network interface card of target mobile unit possess the function communicated with multiple target LAN network equipment; Start the application program of target mobile unit, communicated by described network interface card and many lan devices.
As a further improvement on the present invention, the network interface card of target mobile unit is carried out the concrete steps of IP configuration by described step 3):
3.1) pre-build to have to read described configuration file and according to described configuration file, the network interface card of target mobile unit carries out IP and the IP of function is set configures module, and be loaded in target mobile unit;
3.2), during the WinCE system start-up of target mobile unit, start described IP and configure module and read described configuration file and obtain the IP address of corresponding target LAN network, and by the IP address obtained, the network interface card of mobile unit is carried out IP configuration.
As a further improvement on the present invention, described step 3.2) concretely comprise the following steps:
3.21) when starting described IP configuration module, described IP configure module and obtain the current IP address of network interface card in target mobile unit;
3.22) current IP address is mated by described IP configuration module with each IP address in described configuration file, if the match is successful, then exit, from described configuration file, otherwise obtain the IP address of corresponding target LAN network, configure registry information according to the IP of network interface card in the IP address change target mobile unit got;
3.23) reactivate again after the network interface card of target mobile unit being disabled, complete the configuration of network interface card and come into force in real time.
As a further improvement on the present invention, described step 3.23) in undertaken disabling and reactivating by network interface card especially by DoNdisIOControl function interface in the WinCE system of invocation target mobile unit.
As a further improvement on the present invention, target mobile unit, multiple LAN are connected in an internet of things by described step 1) by configuration switch.
As a further improvement on the present invention: when needing to communicate with new local area network equipment, configure the IP address of corresponding new LAN and revise described configuration file, returning and perform step 3).
Compared with prior art, it is an advantage of the current invention that:
1) method that the present invention realizes many local area network communication based on WinCE system Single NIC, characteristic based on WinCE operating system, after mobile unit and multiple target LAN networks are connected to an internet of things, required multiple IP addresses are formed configuration file, by reading configuration file, the single network interface card of mobile unit is carried out the IP configuration of multisegment, make it possible to keeping on the basis that the original hardware configuration of mobile unit is constant, the mobile unit of single network interface card and the communication of many local area network equipment is realized based on existing WinCE system, well solve the problem that traditional WinCE system can not support Single NIC and many lan devices to carry out data interaction simultaneously, can reduce required soft to greatest extent simultaneously, the cycle that hardware development cost and shortening product function realize, adopt the mode of configuration file, it is also possible to meet the communication requirement of multiple local area network equipment flexibly, reduce the cost of software development simultaneously,
2) method that the present invention realizes many local area network communication based on WinCE system Single NIC, by configuration switch, target mobile unit, multiple LAN are connected in an internet of things, form many LANs topological structure, the hardware configuration of the network topology structure within each LAN or lan device need not be changed, the communication of mobile unit and many local area network equipment can be realized;
3) method that the present invention realizes many local area network communication based on WinCE system Single NIC, configuration file function is read by having configuration, obtain the IP address function of corresponding target LAN network, and by the IP address obtained, the network interface card of mobile unit carried out the program encapsulation foundation of configuration feature and obtain IP and configure module, start IP during by the WinCE system start-up of mobile unit simultaneously and configure module, the network interface card to mobile unit can be realized and carry out IP configuration, the equipment that can realize Single NIC equipment and each different segment thereby through one simple IP configurator of increase carries out data interaction,
4) method that the present invention realizes many local area network communication based on WinCE system Single NIC, when network environment changes, it is modified configuration file and can change the configuration of network interface card IP, thus various local area network equipment communication can be realized according to real network environment by simple configuration mode so that communication mode is flexible, availability is strong.
Accompanying drawing explanation
Fig. 1 be the present embodiment realize the method for many local area network communication based on WinCE system Single NIC realize schematic flow sheet.
Fig. 2 is the local net network topological structure schematic diagram that the present embodiment adopts.
Fig. 3 be in the present embodiment network interface card IP configuration implement schematic flow sheet.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but protection domain not thereby limiting the invention.
As it is shown in figure 1, the method that the present embodiment realizes many local area network communication based on WinCE system Single NIC, step includes:
1) target mobile unit, multiple target LAN network equipment are connected in an internet of things;
2) will need the IP address required with each target LAN ruton letter, to store to based in the target mobile unit of WinCE system with configuration file form;
3) when target mobile unit starts, start the IP pre-build and configure module, configured module by IP and read configuration file, and carry out IP setting according to configuration file to having network interface card in the target mobile unit of Single NIC, make the network interface card of target mobile unit possess the function communicated with multiple target LAN network equipment; Start the application program of target mobile unit, communicated by network interface card and many lan devices.
The present embodiment is based on the characteristic of WinCE operating system, after mobile unit and multiple target LAN networks are connected to an internet of things, required multiple IP addresses are formed configuration file, by reading configuration file, the single network interface card of mobile unit is carried out the IP configuration of multisegment, make it possible to keeping mobile unit original soft, on the basis that hardware configuration is constant, realize the mobile unit of single network interface card and the communication of many local area network equipment, well solve the problem that traditional WinCE system can not support Single NIC and many lan devices to carry out data interaction simultaneously, can reduce required soft to greatest extent simultaneously, the cycle that hardware development cost and shortening product function realize, the present embodiment adopts the mode of configuration file, it is also possible to meets the communication requirement of multiple local area network equipment flexibly, reduces the cost of software development simultaneously.
In the present embodiment, target mobile unit, multiple LAN are connected in an internet of things by configuration switch by step 1), form the topological structure of many LANs, the hardware configuration of the network topology structure within each LAN or lan device need not be changed, the communication of mobile unit and many local area network equipment can be realized. As in figure 2 it is shown, target mobile unit, LAN 1��n are connected by the present embodiment by extending out switch, by based on WinCE system and only possess the target mobile unit of single network interface card as vehicle-mounted data central station, gathering the data of each LAN. The present embodiment specifically can expanded configuration network structure according to the actual requirements, by increasing switch configuration, LAN networking can be connected.
In the present embodiment, the concrete steps in step 3), the network interface card of mobile unit configured:
3.1) pre-build to have to read configuration file and according to described configuration file, the network interface card of target mobile unit carries out IP and the IP of function is set configures module, and be loaded in target mobile unit;
3.2), during the WinCE system start-up of target mobile unit, start IP and configure module and read described configuration file and obtain the IP address of corresponding target LAN network, and by the IP address obtained, the network interface card of mobile unit is carried out IP configuration.
The present embodiment is specifically pre-configured with reading configuration file function, obtain the IP address function of corresponding target LAN network, and by the IP address obtained, the network interface card of mobile unit is carried out the program of configuration feature, encapsulated foundation by the program with above-mentioned functions and obtain IP configuration module, IP is configured module loading to mobile unit, start this IP during by the WinCE system start-up of mobile unit simultaneously and configure module, configured module by this IP read configuration file and obtain the IP address of corresponding target LAN network, and by the IP address obtained, the network interface card of mobile unit is configured, realize that the network interface card of mobile unit is carried out IP to reconfigure, communication can be realized after configuration take-effective, the equipment that can realize Single NIC equipment and each different segment thereby through one simple IP configurator of increase carries out data interaction.
In the present embodiment, step 3.2) concretely comprise the following steps:
3.21) when starting IP configuration module, IP configure module and obtain the current IP address of network interface card in target mobile unit;
3.22) current IP address is mated by IP configuration module with each IP address in configuration file, if the match is successful, then exit, from configuration file, otherwise obtain the IP address of corresponding target LAN network, configure registry information according to the IP of network interface card in the IP address change target mobile unit got;
3.33) restart after the network interface card of target mobile unit being disabled, complete the configuration of network interface card and come into force in real time.
As shown in Figure 3, during the WinCE system start-up of the present embodiment mobile unit, automatically start IP and configure module to run IP configurator, IP configurator reads the IP configuration information of IP information and actual network interface card in configuration file and configures, if the match is successful, namely the IP configuration information of actual network interface card is consistent with IP information in configuration file, then without reconfiguring the IP address of network interface card, if mating unsuccessful, demonstrate the need for reconfiguring IP to realize the communication with local area network equipment, IP configurator configures registry information with specific reference to the IP of IP address change network interface card in configuration file, complete reconfiguring network interface card, and immediately network interface card is disabled, namely the configuration take-effective of network interface card is made after reactivating.
In the present embodiment, step 3.23) in reactivate again after network interface card is disabled especially by DoNdisIOControl function interface in the WinCE system of invocation target mobile unit. No matter WinCE system is to adopt Hive-basedRegistry or RAM-basedRegistry mechanism, by calling DoNdisIOControl function in WinCE system, the above-mentioned configuration to network interface card IP after network interface card disabling and startup can be come into force, without restarting equipment or WinCE system, thus the configuration of multisegment IP can be conveniently accomplished based on the characteristic of WinCE system, it is achieved the communication of many local area network equipment.
In the present embodiment, when needing to communicate with new local area network equipment, configure the IP address of corresponding new LAN and revise configuration file, returning and perform step 3). When network environment changes, it is modified configuration file and can realize the change of network interface card IP configuration, thus various local area network equipment communication can be realized according to real network environment by simple configuration mode so that communication mode is flexible, availability is strong.
Above-mentioned simply presently preferred embodiments of the present invention, not does any pro forma restriction to the present invention. Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention. Therefore, every content without departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (6)
1. the method realizing many local area network communication based on WinCE system Single NIC, it is characterised in that step includes:
1) target mobile unit, multiple target LAN network equipment are connected in an internet of things;
2) will need the IP address required with each target LAN ruton letter, to store to based in the target mobile unit of WinCE system with configuration file form;
3) when target mobile unit starts, start the IP pre-build and configure module, configured module by described IP and read described configuration file, and carry out IP setting according to described configuration file to having network interface card in the target mobile unit of Single NIC, make the network interface card of target mobile unit possess the function communicated with multiple target LAN network equipment; Start the application program of target mobile unit, communicated by described network interface card and many lan devices.
2. the method realizing many local area network communication based on WinCE system Single NIC according to claim 1, it is characterised in that in described step 3), the network interface card of target mobile unit is carried out the concrete steps of IP configuration:
3.1) pre-build to have to read described configuration file and according to described configuration file, the network interface card of target mobile unit carries out IP and the IP of function is set configures module, and be loaded in target mobile unit;
3.2), during the WinCE system start-up of target mobile unit, start described IP and configure module and read described configuration file and obtain the IP address of corresponding target LAN network, and by the IP address obtained, the network interface card of mobile unit is carried out IP configuration.
3. the method realizing many local area network communication based on WinCE system Single NIC according to claim 2, it is characterised in that described step 3.2) concretely comprise the following steps:
3.21) when starting described IP configuration module, described IP configure module and obtain the current IP address of network interface card in target mobile unit;
3.22) current IP address is mated by described IP configuration module with each IP address in described configuration file, if the match is successful, then exit, from described configuration file, otherwise obtain the IP address of corresponding target LAN network, configure registry information according to the IP of network interface card in the IP address change target mobile unit got;
3.23) reactivate again after the network interface card of target mobile unit being disabled, complete the configuration of network interface card and come into force in real time.
4. the method realizing many local area network communication based on WinCE system Single NIC according to claim 3, it is characterized in that, described step 3.23) in undertaken disabling and reactivating by network interface card especially by DoNdisIOControl function interface in the WinCE system of invocation target mobile unit.
5. the method realizing many local area network communication based on WinCE system Single NIC according to any one in Claims 1 to 4, it is characterised in that: target mobile unit, multiple LAN are connected in an internet of things by described step 1) by configuration switch.
6. the method realizing many local area network communication based on WinCE system Single NIC according to any one in Claims 1 to 4, it is characterized in that: when needing to communicate with new local area network equipment, configure the IP address of corresponding new LAN and revise described configuration file, returning and perform step 3).
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| CN111835535A (en) * | 2019-04-16 | 2020-10-27 | 上海申通地铁集团有限公司 | Ethernet consistency test system of rail transit system |
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| CN112769915A (en) * | 2020-12-30 | 2021-05-07 | 江苏北斗星通汽车电子有限公司 | Sharing method and device between intelligent cabin vehicle-mounted devices and intelligent cabin |
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