CN104899169A - Serial server - Google Patents
Serial server Download PDFInfo
- Publication number
- CN104899169A CN104899169A CN201510160964.7A CN201510160964A CN104899169A CN 104899169 A CN104899169 A CN 104899169A CN 201510160964 A CN201510160964 A CN 201510160964A CN 104899169 A CN104899169 A CN 104899169A
- Authority
- CN
- China
- Prior art keywords
- serial server
- circuit
- network
- interface circuit
- port
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
- G06F2213/3852—Converter between protocols
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
Abstract
The invention discloses a serial server, which comprises a Godson-1B processor, an internet access circuit and a CAN interface circuit, wherein the CAN interface circuit and the internet access circuit are coupled with the Godson-1B processor; an optical port of the internet access circuit is configured to be connected with an optical cable to receive or send a network signal; and a CAN port of the CAN interface circuit is configured to be connected to the optical cable. The serial server not only can guarantee that the operation of the traditional functions is not affected but also can check on the data security of a company more strictly.
Description
Technical field
The present invention relates to network field, particularly, relate to a kind of serial server.
Background technology
The fast development of embedded device, hardware cost significantly declines, and embedded software industry starts progressively to grow up at home.Along with Internet develops rapidly, the embedded product of networking becomes the maximum growth point of of IT industry, and embedded product access Internet network becomes inexorable trend.Simultaneously embedded product also constantly to embedded communication, embedded web server, embedded database, and intelligent, wireless network, the aspect development such as fiber optic network.
Be furnished with standard industry serial ports realize interconnected to allow, a lot of people has done the work of this respect.Current serial server has formed certain product line, and state-of-the-art technology is also substantially by abroad monopolizing.From technical solution, mainly based on ARM7 or ARM9 platform, but the master chip that these equipment adopt mostly is the external chip produced, potential safety hazard is larger, add Si Ruodeng event, country and enterprise higher to safety requirements, on this basis, it is necessary for designing a serial server of taking as the leading factor having domestic master chip.
Along with Embedded System Design technology is increasingly mature, system cost reduces gradually, adopts Embedded System Design method constructing system to be trend of the times.It can make the R&D cycle of product and Time To Market shorter, system reliability is higher, and test and control convenient, accurate, reliable, cost performance is more reasonable.And embedded system adopts the mode of " cutting the garment according to the figure " that required function is embedded in application system, can overcome the defect of control system in volume, power consumption etc. based on general purpose PC structure.In addition built-in digital control system adopts 32 risc processors, and fast operation has powerful peripheral resource and communication function, can realize the system gathering, process and control to be integrated; Simultaneously, it can run real-time multi-task operating system (such as Linux), these operating systems are all supporting a large amount of SDK (Software Development Kit), make the work of software development relatively easy, and all compatible a large amount of flush bonding processor of these operating systems, transplant the code only needing to revise seldom amount on different platforms.In recent years, though embedded system penetrates into every field: Industry Control, military and national defense, consumer electronics product, network service etc., but the application of most fields is all the flush bonding processor based on external all big enterprises, particularly as Industrial Security and the national security of the communication apparatus of the nucleus equipment of equipment manufacture.Use domestic processor in built-in field, road of walking to domesticize has become a problem in the urgent need to address.
Godson series processors is the universal serial processor of Inst. of Computing Techn. Academia Sinica's development.From calendar year 2001, utilize short one-year age, successfully develop Godson No. 1 general processor.No. 1, Godson adopts single transmit structure, dominant frequency 266MHZ.And then, within 2003, successfully develop Godson 2B processor again, its performance is 3 times of No. 1, Godson, has exceeded the performance of the pentium ii processor of identical dominant frequency; 2004 successfully develop Godson 2C processor again, and through optimizing, its performance is again 3 times of Godson 2B, reaches the performance of Pentium III processor; Within 2005, succeed in developing godson-1 processor again, its performance is again 3 times of Godson 2C, reaches the performance of low and middle-grade Pentium IV processor; 2007 success develop Loongson-2F CPU by the function i ntegration of north bridge in chip, through optimizing, its dominant frequency reaches as high as 1.2GHz, like this, the performance raising that Godson series processors is annual, make China reach advanced international standard in uniprocessor, and achieve the tech development of China's high performance universal processor.Present Loongson processor can be widely applied on the products such as Industry Control, information household appliances, communication, the network equipment, PDA, the network terminal, storage server, security server.
Serial server in the art cannot realize stricter the checking on to company data safety on the basis not affecting existing capability.
Summary of the invention
The object of this invention is to provide a kind of serial server, this serial server had both ensured the operation not affecting existing capability, can realize being more rigid in checking up to company data safety again.
To achieve these goals, the invention provides a kind of serial server, this serial server comprise Loongson processor that model is 1B and with described Loongson processor couple with lower device: network port circuit and bus (CAN) interface circuit, the light mouth port of described network port circuit is configured to be connected to optical cable to receive or to send described network signal, and the bus port of described bus (CAN) interface circuit is configured to be connected to described optical cable.
Preferably, described network port circuit comprises: ethernet interface circuit, light mouth interface circuit and network pilot lamp, the two ends of described ethernet interface circuit are configured to connect Loongson processor and light mouth interface circuit respectively, to realize connection and the protocol conversion of network, described network pilot lamp is connected to described ethernet interface circuit, when there being network signal to access, the conducting of described network pilot lamp.
Preferably, described serial server also comprises control (CONSOLE) port circuit being connected to described Loongson processor, and described CONSOLE port circuit is used for the debugging of circuit.
Preferably, described serial server also comprises the Nand flash storage and Nor flash storage that are connected to described Loongson processor.
Preferably, be provided with isolation buffers between described CAN interface circuit and Loongson processor, described isolation buffers realizes the isolation of electric equipment compartment.
Preferably, described serial server also comprises USB interface, and described USB interface is configured to be connected to WIFI module and 3G module, to realize Wireless Networking.
Preferably, described serial server also comprises power circuit, and described power circuit is used for providing supply voltage to described Loongson processor.
The present invention adopts microcontroller as the main control part of whole system, and integrated network drives function, and serial port drive function, by protocol conversion, realizes opening up transparent transmission channel between Ethernet interface and serial ports.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the structured flowchart that a kind of serial server of the present invention is described.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of serial server, this serial server comprise Loongson processor that model is 1B and with described Loongson processor couple with lower device: network port circuit and bus (CAN) interface circuit, the light mouth port of described network port circuit is configured to be connected to optical cable to receive or to send described network signal, and the bus port of described bus (CAN) interface circuit is configured to be connected to described optical cable.
The present invention adopts microcontroller as the main control part of whole system, and integrated network drives function, and serial port drive function, by protocol conversion, realizes opening up transparent transmission channel between Ethernet interface and serial ports.Processor part of the present invention has the embedded development hardware-software platform of independent intellectual property right.Many core technologies of current embedded product rest in abroad on hand, and domestic a lot of embedded product enterprise lacked.The master chip of domestic independent research, present many servers mostly are external processor chips, safety exist the hidden danger of essence, adopt the processor of domestic independent research will better security.Efficient serial ports buffering and adaptive data packing strategy.Concerning serial server product, wherein core technology is data packing strategy.Product packing is in the market unreasonable, and many situations go to supplement by host computer to address this problem.Novel safe and reliable firmware upgrade scheme.All there is such problem in most embedded product in the market, if firmware upgrade is interrupted halfway, cannot restarting equipment, and can only depot repair.Software filtering algorithm efficiently to a large amount of image data.This is the effective ways improving accuracy of data acquisition, and efficient algorithm not only improves precision, can also save cpu resource.Network security, embeds SSH network security protocol etc.This is in the market so the aspect ignored of embedded product.The embedded product worked in the network environment of complexity, the integrality of guarantee information, availability, confidentiality and reliability are the current problems that urgently will solve.There is more friendly man-machine interface.An embody rule of this project is the multi-functional Ethernet serial server of development.The tactic pattern of system supporting section reason device and Ethernet integration, supports the related protocol conversion between Ethernet and serial ports, realizes the transparent transmission between network and dissimilar serial ports.And expand to wireless network, fiber optic network, and the application of various customization.Wherein, the related protocol between software simulating Ethernet and serial ports is normally used in hardware interface circuit design.
Below in conjunction with accompanying drawing, 1 couple of the present invention is further detailed, and in the present invention, can realize the transparent transmission between network and dissimilar serial ports (RS232/RS422/RS485).
In this kind of embodiment, described network port circuit can comprise: ethernet interface circuit, light mouth interface circuit and network pilot lamp, the two ends of described ethernet interface circuit are configured to connect Loongson processor and light mouth interface circuit respectively, to realize connection and the protocol conversion of network, described network pilot lamp is connected to described ethernet interface circuit, when there being network signal to access, ethernet interface circuit can send power supply signal to network pilot lamp, finally makes the conducting of described network pilot lamp light.
By above-mentioned embodiment, network port circuit of the present invention can realize receiving the network signal of Ethernet, and can carry out pilot lamp display according to whether receiving signal, finally realizes the access of network signal.
In this kind of embodiment, described serial server also comprises control (CONSOLE) port circuit being connected to described Loongson processor, described CONSOLE port circuit is used for the debugging of circuit, when what debug signal circuit needs or need what control signal time, can according to user need carry out signal input.
In this kind of embodiment, described serial server also comprises the Nand flash storage and Nor flash storage that are connected to described Loongson processor, for storing data information and program information, finally realize the function of this controller, Nor Flash is used for storage system start-up routine, Nand Flash is for storing linux system program and application program, and SD card interface circuit, for supporting the data storing CAN interface communication, supports this storage backup.
In this kind of embodiment, be provided with isolation buffers between described CAN interface circuit and Loongson processor, described isolation buffers realizes the isolation of electric equipment compartment.What adopt herein be propagation delay time short model is the isolation buffers of 6N137, it is a kind of photoelectric isolating device of high speed, the antijamming capability of system can be strengthened, because its representative value is only 45ns, therefore can not impact system communication, in addition, it should be noted that if the interference of system running environment is little, the words that the transmission range of signal is short, need not isolation buffers be adopted, can also hardware design be simplified like this.
High speed optoelectronic buffer circuit, it is between CAN controller and CAN transceiver, object is the isolation realizing electric equipment compartment, antijamming capability in bus is enhanced, show as the transmission pin TXO of CAN controller and the transmitting terminal of CAN transceiver in circuit, TXD, the reception pin RXO of CAN controller and the receiving end RXD of CAN transceiver respectively Bei Guang Said have isolated.Namely high-speed light sticks with paste chip is using light as the transmission medium believed, its principle of work is, when input end adds village signal, illuminator can launch light, and now output terminal can send out photocurrent from light-receiving device, so just achieve the conversion of " electric light one electricity ", the signal noise ratio on channel can be made greatly to improve, thus the undesired signal effectively in isolated can bus, stability time data are transmitted and reliability have been greatly enhanced.
In this kind of embodiment, described serial server also comprises USB interface, described USB interface is configured to be connected to WIFI module and 3G module, to realize Wireless Networking, our system development has reserved one and has gone out USB HOST interface, support that the USB of external all kinds of manufacturer turns WIFI module and USB turns 3G module, by WIFI or 3G module, the equipment of let us joins LAN (Local Area Network) or WAN network with radio connection, achieves the bottom equipment that control center's long distance wireless accesses our equipment connection.
In this kind of embodiment, described serial server also comprises power circuit, and described power circuit is used for providing supply voltage to described Loongson processor.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. a serial server, it is characterized in that, this serial server comprise Loongson processor that model is 1B and with described Loongson processor couple with lower device: network port circuit and bus (CAN) interface circuit, the light mouth port of described network port circuit is configured to be connected to optical cable to receive or to send described network signal, and the bus port of described bus (CAN) interface circuit is configured to be connected to described optical cable.
2. serial server according to claim 1, it is characterized in that, described network port circuit comprises: ethernet interface circuit, light mouth interface circuit and network pilot lamp, the two ends of described ethernet interface circuit are configured to connect Loongson processor and light mouth interface circuit respectively, to realize connection and the protocol conversion of network, described network pilot lamp is connected to described ethernet interface circuit, when there being network signal to access, and the conducting of described network pilot lamp.
3. serial server according to claim 1, is characterized in that, described serial server also comprises control (CONSOLE) port circuit being connected to described Loongson processor, and described CONSOLE port circuit is used for the debugging of circuit.
4. serial server according to claim 1, is characterized in that, described serial server also comprises the Nand flash storage and Nor flash storage that are connected to described Loongson processor.
5. serial server according to claim 1, is characterized in that, be provided with isolation buffers between described CAN interface circuit and Loongson processor, described isolation buffers realizes the isolation of electric equipment compartment.
6. serial server according to claim 1, is characterized in that, described serial server also comprises USB interface, and described USB interface is configured to be connected to WIFI module and 3G module, to realize Wireless Networking.
7. serial server according to claim 1, is characterized in that, described serial server also comprises power circuit, and described power circuit is used for providing supply voltage to described Loongson processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160964.7A CN104899169A (en) | 2015-04-07 | 2015-04-07 | Serial server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510160964.7A CN104899169A (en) | 2015-04-07 | 2015-04-07 | Serial server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104899169A true CN104899169A (en) | 2015-09-09 |
Family
ID=54031841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510160964.7A Pending CN104899169A (en) | 2015-04-07 | 2015-04-07 | Serial server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104899169A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406460A (en) * | 2016-08-31 | 2017-02-15 | 安徽康海时代科技股份有限公司 | Eight-serial port server with terminal |
| CN109445872A (en) * | 2018-10-22 | 2019-03-08 | 成都安恒信息技术有限公司 | A method of each network interface physical location is determined applied to multi-gateway Linux server |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070011369A1 (en) * | 2005-07-07 | 2007-01-11 | Dyke Phil V | Low overhead serial interface |
| CN101478146A (en) * | 2008-10-13 | 2009-07-08 | 清华大学 | Digital transforming plant protecting controlling method and multifunctional protection controller |
| CN101626351A (en) * | 2008-07-09 | 2010-01-13 | 青岛高校信息产业有限公司 | Multiprotocol data acquisition gateway |
| CN201845233U (en) * | 2010-11-16 | 2011-05-25 | 哈尔滨凯纳科技股份有限公司 | Internet-of-things data acquisition control instrument |
| CN102355372A (en) * | 2011-10-09 | 2012-02-15 | 南京普天长乐通信设备有限公司 | Control terminal in optical fiber naming management system of optical cable distribution box |
| CN102739715A (en) * | 2011-04-08 | 2012-10-17 | 广东工业大学 | Embedded household security monitor based on wireless sensor network |
-
2015
- 2015-04-07 CN CN201510160964.7A patent/CN104899169A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070011369A1 (en) * | 2005-07-07 | 2007-01-11 | Dyke Phil V | Low overhead serial interface |
| CN101626351A (en) * | 2008-07-09 | 2010-01-13 | 青岛高校信息产业有限公司 | Multiprotocol data acquisition gateway |
| CN101478146A (en) * | 2008-10-13 | 2009-07-08 | 清华大学 | Digital transforming plant protecting controlling method and multifunctional protection controller |
| CN201845233U (en) * | 2010-11-16 | 2011-05-25 | 哈尔滨凯纳科技股份有限公司 | Internet-of-things data acquisition control instrument |
| CN102739715A (en) * | 2011-04-08 | 2012-10-17 | 广东工业大学 | Embedded household security monitor based on wireless sensor network |
| CN102355372A (en) * | 2011-10-09 | 2012-02-15 | 南京普天长乐通信设备有限公司 | Control terminal in optical fiber naming management system of optical cable distribution box |
Non-Patent Citations (1)
| Title |
|---|
| 陈勇等: "《物联网系统开发及应用实战》", 31 March 2014 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406460A (en) * | 2016-08-31 | 2017-02-15 | 安徽康海时代科技股份有限公司 | Eight-serial port server with terminal |
| CN109445872A (en) * | 2018-10-22 | 2019-03-08 | 成都安恒信息技术有限公司 | A method of each network interface physical location is determined applied to multi-gateway Linux server |
| CN109445872B (en) * | 2018-10-22 | 2021-10-15 | 成都安恒信息技术有限公司 | Method for determining physical position of each network port by multi-network-port Linux server |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103200081B (en) | A kind of things-internet gateway development platform towards heterogeneous network environment | |
| CN103338072A (en) | A visible light communication and wireless access method base on the Android system | |
| Huang et al. | Research of wireless sensor networks for an intelligent measurement system based on ARM | |
| CN202870594U (en) | Embedded type vehicular information terminal based on CAN bus | |
| CN104899169A (en) | Serial server | |
| CN103605306B (en) | Communication device based on the extension of UART communication interface | |
| CN103560938A (en) | Industrial Ethernet and HART bus protocol conversion board card | |
| CN203535551U (en) | Data communication server | |
| CN201751896U (en) | ARINC429 bus testing device | |
| CN102692917A (en) | Intelligent home monitoring system based on embedded Linux | |
| CN104901857A (en) | Bus analyzer | |
| CN201374722Y (en) | Multi-serial port dual-Ethernet networked server | |
| CN103916336A (en) | Ethernet driver realized by FPGA | |
| CN110187171A (en) | A kind of the LoRaWAN electric energy meter and method of network entry of quick networking mechanism | |
| CN205539186U (en) | Based on smart power grids management electric energy meter | |
| US20150113176A1 (en) | Method for Emulating Communication Standards of Transceiver Modules for Native Host Devices | |
| CN103150952A (en) | Reconfigurable electronic design automation (EDA) experimental platform | |
| CN101715253A (en) | Serial port multiplexing equipment and data transmission method | |
| CN202275286U (en) | Digital-quantity field energy-saving controller | |
| CN202939792U (en) | Single-phase dual-channel communication module | |
| CN201917799U (en) | Multipath controlled intelligent home controller | |
| CN105376560A (en) | Universal adapter plate applicable between camera and acquisition computer | |
| CN202353595U (en) | Gateway for EtherCAT (Ethernet for control and automation technology) and RS485 communication switching | |
| CN104850930A (en) | Weather management system | |
| CN204406140U (en) | A kind of bus type programable controller system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 241002, Anhui Wuhu hi tech Industrial Development Zone Service Outsourcing Industry Park B6# (South Zhongshan Road No. 717) Applicant after: Anhui ComHigher technology limited liability company Address before: 241002, Anhui Wuhu hi tech Industrial Development Zone Service Outsourcing Industry Park B6# (South Zhongshan Road No. 717) Applicant before: ANHUI KANGHAI TIMES TECHNOLOGY CO., LTD. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |