CN104699650A - Method of embedded system for providing IP access through USB interface - Google Patents
Method of embedded system for providing IP access through USB interface Download PDFInfo
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- CN104699650A CN104699650A CN201510118368.2A CN201510118368A CN104699650A CN 104699650 A CN104699650 A CN 104699650A CN 201510118368 A CN201510118368 A CN 201510118368A CN 104699650 A CN104699650 A CN 104699650A
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- usb interface
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- video camera
- embedded system
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Abstract
The invention discloses a method of an embedded system for providing IP access through a USB interface. The method is used for achieving the purposes that devices are compact, setting is easy and operation is convenient. According to the method of the embedded system for providing IP access through the USB interface, an IP camera and a computer are provided, and conduct TCP/IP data package transmission through the usb interface. According to the scheme, the method of the embedded system for providing IP access through the USB interface is used for establishing IP access based on the usb interface between the computer and an embedded device. According to the scheme, the defects in the first prior art and the second prior art can be overcome, no device space is occupied, setting is easy, and a user can conveniently conduct operation; the purpose that the embedded device can still have access to the network, such as a http server in the device, through a PC under the condition that an RJ45 interface does not need to be designed is achieved.
Description
Technical field
The present invention relates to a kind of method that embedded system provides IP to access by USB interface.
Background technology
IP network video camera is the digitizer of transmission Network Based, except having common composite video signal output interface BNC, (general modulating output is debugging use to web camera, the effect of itself can not be represented), also have networking output interface, directly video camera can be accessed local area network.Each IP network video camera has oneself IP network location, data processing function, and built-in application software, can work as the webserver, ftp server, FTP user's end and mailbox user end.
IP video camera is in actual design, use procedure, because act on IP agreement, prior art is normally by design RJ45 interface, so that in use procedure, access netting twine, checks video and managing I P video camera correlation parameter by network.
The technical scheme of prior art one is the interface module of design RJ45 network interface, and PC passes through RJ45 twisted pair line connection to equipment, parameters and viewing video.The shortcoming of this scheme is that cost is high, takies equipment volume excessive.
The technical scheme of prior art two is by wireless network module, is arranged to ap mode, is held connect this AP, equipment in connection by PC, parameters and viewing video.The shortcoming of this scheme is that user operation difficulty is high, arranges step complexity.
Whole instructions is to any discussion of background technology, and not representing this background technology must be the prior art that one of ordinary skill in the art know; Not representing any discussion of prior art in whole instructions thinks that the prior art must be well-known or certain common practise forming this area.
Summary of the invention
The invention is intended to a kind of method providing embedded system to provide IP to access by USB interface, to reach facility compact, to arrange the objects such as simple, easy to operate.
The method that embedded system provides IP to access by USB interface, comprises IP video camera and computing machine, and IP video camera and computing machine carry out TCP/IP data packet transmission by usb interface.
The method that a kind of embedded system in this programme provides IP to access by USB interface, accesses for the IP set up between computing machine and embedded device based on usb interface.
This programme can solve prior art one and the shortcoming of prior art two, neither accounts for equipment volume, arranges again simple.User operation is convenient.When solving embedded device without the need to designing RJ45 interface, still by its network of pc access, as the http server etc. in equipment.
Further, female end is installed in computing machine and acts on behalf of retransmission process and browser, son end is installed in IP video camera and acts on behalf of retransmission process and Web Server, the data between computing machine and IP video camera act on behalf of usb interface on usb interface on retransmission process, computing machine, usb connecting line, IP video camera by browser, female end, son holds and act on behalf of retransmission process and Web Server carries out transmitted in both directions.
Web Server can be regarded as network server program, pc end is connected to embedded device, due to without the need to RJ45 interface, embedded device problem is accessed for solving pc, midway is by usb transfer, and by all settling Agent at pc and embedded device two ends, user uses, simulate the existence of impression less than usb transfer as far as possible, operate just as being connected by netting twine.In scheme, TCP/IP is directly sent by USB, and does not need through virtual ethernet driver and realistic model, the application on equipment is applied [address 127.0.0.1] as this locality of computer end and visits.
Further, mother/daughter end acts on behalf of the mutual conversion of retransmission process for IP data packet and serial data frame, usb connecting line transmitting serial port Frame.Can efficiency standard carry out work.
Further, the usb interface on computing machine turns Serial Port Line with the usb interface on IP video camera by usb and is connected.This scheme be another kind of concrete can selection scheme.
Further, IP video camera is provided with the LED of floor light, and be provided with the lifi emitter connecting IP video camera Web Server in LED, computing machine is connected with lifi receiving trap.LED both can be IP video camera and provided operating illumination, also can send means in conjunction with lifi emitter as a kind of data simultaneously, carry out a large amount of video data transmission by light pulse fast.Lifi receiving trap can be arranged on outside computer body, and is connected with computing machine by wired or wireless mode, delivers to computing machine for the signal sent by lifi emitter.Computing machine to IP video camera control signal due to data volume little, usb still can be used to transmit.
Further, LED is connected with accumulator.
Accompanying drawing explanation
Fig. 1 is the workflow schematic diagram of the embodiment of the present invention.
Fig. 2 is the data flow diagram of the embodiment of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
The workflow of embodiment is substantially as shown in Figure 1:
This technology uses the USB interface for powering on ready-made equipment, is provided with acts on behalf of retransmission process in equipment end, acts on behalf of retransmission process, realize PC and utilize USB interface to the various data accesses of equipment end at PC end.
(1) Windows PC holds operation
1, send.PC is upper by browser operation, sends a request to the agent being arranged on pc end, is forwarded to com port to the embedded device in IP camera by agent, information list---the session that agent program maintenance one request is corresponding with response.
2, receive.Receive embedded device response by the agent be arranged on pc, be sent to local browser.
(2) embedded device operates
1, receive.---agent program maintenance one request with the respond corresponding information list---session that embedded device installed agent., be responsible for the information that reception com port is sent, be sent to the web server on embedded device.
2, send.The former road of response obtained from the web server on primary processor (model is 9115) is back to windows pc hold.
The data flow diagram of the present embodiment as shown in Figure 2.
The present embodiment can also do following adjustment: IP video camera is provided with the LED of floor light, and be provided with the lifi emitter connecting IP video camera Web Server in LED, computing machine is electrically connected with lifi receiving trap by cable.LED both can be IP video camera and provided operating illumination, also can send means in conjunction with lifi emitter as a kind of data simultaneously, carry out a large amount of video data transmission by light pulse fast.Computing machine uses usb interface to transmit to the control signal data of IP video camera.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in instructions etc. record the content that may be used for explaining claim.
Claims (6)
1. the embedded system method that provides IP to access by USB interface, comprise IP video camera and computing machine, it is characterized in that, IP video camera and computing machine carry out TCP/IP data packet transmission by usb interface.
2. a kind of embedded system according to claim 1 method of providing IP to access by USB interface, it is characterized in that: female end is installed in computing machine and acts on behalf of retransmission process and browser, son end is installed in IP video camera and acts on behalf of retransmission process and Web Server, the data between computing machine and IP video camera act on behalf of usb interface on usb interface on retransmission process, computing machine, usb connecting line, IP video camera by browser, female end, son holds and act on behalf of retransmission process and Web Server carries out transmitted in both directions.
3. a kind of embedded system according to claim 2 method of providing IP to access by USB interface, is characterized in that: mother/daughter end acts on behalf of the mutual conversion of retransmission process for IP data packet and serial data frame, usb connecting line transmitting serial port Frame.
4. a kind of embedded system according to claim 2 method of providing IP to access by USB interface, is characterized in that: the usb interface on computing machine turns Serial Port Line with the usb interface on IP video camera by usb and is connected.
5. a kind of embedded system according to claim 2 method of providing IP to access by USB interface, it is characterized in that: IP video camera is provided with the LED of floor light, be provided with the lifi emitter connecting IP video camera Web Server in LED, computing machine is connected with lifi receiving trap.
6. a kind of embedded system according to claim 5 method of providing IP to access by USB interface, is characterized in that: LED is connected with accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118368.2A CN104699650A (en) | 2015-03-18 | 2015-03-18 | Method of embedded system for providing IP access through USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118368.2A CN104699650A (en) | 2015-03-18 | 2015-03-18 | Method of embedded system for providing IP access through USB interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104699650A true CN104699650A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510118368.2A Pending CN104699650A (en) | 2015-03-18 | 2015-03-18 | Method of embedded system for providing IP access through USB interface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021163905A1 (en) * | 2020-02-18 | 2021-08-26 | 华为技术有限公司 | Information transmission method and related device |
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Patent Citations (8)
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| WO2004063843A2 (en) * | 2003-01-15 | 2004-07-29 | Matsushita Electric Industrial Co., Ltd. | PEER-TO-PEER (P2P) CONNECTION DESPITE NETWORK ADDRESS TRANSLATOR (NATs) AT BOTH ENDS |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021163905A1 (en) * | 2020-02-18 | 2021-08-26 | 华为技术有限公司 | Information transmission method and related device |
| CN114731339A (en) * | 2020-02-18 | 2022-07-08 | 华为技术有限公司 | Information transmission method and related equipment |
| CN114731339B (en) * | 2020-02-18 | 2024-01-30 | 华为技术有限公司 | Information transmission method and related equipment |
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Application publication date: 20150610 |
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