CN106027612A - Remote intelligent monitoring system - Google Patents
Remote intelligent monitoring system Download PDFInfo
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- CN106027612A CN106027612A CN201610300498.2A CN201610300498A CN106027612A CN 106027612 A CN106027612 A CN 106027612A CN 201610300498 A CN201610300498 A CN 201610300498A CN 106027612 A CN106027612 A CN 106027612A
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention relates to a remote intelligent monitoring system. The remote intelligent monitoring system comprises a server and an IOT sub-system; a software module of the server comprises a protocol stack, an operation system and a compression file system; the remote intelligent monitoring system is characterized in that the IOT sub-system is composed of multiple regional networks; each regional network comprises a regional coordinator, a router and a sensing node; a sensor is integrated on the sensing node and used for obtaining a physical parameter of a remote monitoring point; the sensing node is added into the regional network through the router; the router establishes the communication path relationship among the coordinator, the router and the sensing node through a routing table, and routes a data packet to the coordinator from the sensing node; and the coordinator transfers data to the server in real time through a serial port line.
Description
Technical field
The present invention relates to a kind of Web server based on SOPC, it is provided that the access interface of Internet and and ZigBee-network
Communication interface, the successful fusion processing platform of Inernet and Internet of Things.
Background technology
SOPC (System On Programmable Chip) system is based on FPGA device, the Quartus developed by Altera
II software adds the IP Core that Nios II soft-core processor and various software carries or the IP Core oneself write builds
Hardware platform.This compiling file Program just constitutes (System On Chip) system to FPGA device.
The embedded design external member Nios II IDE of Altera exploitation provides good network development resource to embedded design.
On the one hand be integrated with on IDE safe and reliable, motility is strong, transplantability is strong, easy to use, curable, the preemptive type that can reduce
Real-time multi-task embedded OS μ C/OS-II；On the other hand IDE is also integrated with complete network protocol stack Niche
Stack ICP/IP protocol stack.This protocol stack is specific to embedded developping system and designs, and has code simple, transplants
Property the advantages such as strong and PC programming is compatible, therefore native system just uses based on μ C/OS-II and Niche Stack TCP/IP
The protocol stack design webserver.
The SOPC development system of altera corp also provides extraordinary instrument for the storage of network file and transmission: Read Only
Zip File System (Read-only zip file system).General embedded developping system does not support storage and the reading of mass file
Writing, such as in the development system of 51 single-chip microcomputers, we can only store the contents such as picture, sound equipment, video with the form of array, this
Just storage and use to these objects bring the biggest inconvenience, and in the development system of SOPC, compressed file system can
Well these files are supported.The file packing needing storage is used the Z read-only compression literary composition in the system library of IDE
Part system (Read Only Zip File System), then downloads in flash by file by flash downloader,
Last application program just can be used by simple file read operation.
μ C/OS-II is that the Embedded Application exclusively for computer designs, and overwhelming majority code shows a C language.CPU
Hardware relevant portion assembler language is write, the assembler language part of total amount about 200 row is compressed to bottom line, for
It is easy for being transplanted on other CPU any.
DM9000A is a Fast Ethernet interface chip that TaiWan, China DAVICOM company releases, and its basic feature is:
It is integrated with 10/100M physical layer interface；The internal FIFO caching being used as with 16K byte SRAM to accept to send；Support 8
Position or 16 two kinds of host work patterns；By AUTO-Mdix (the supporting direct interconnection automatic turning) function of HP certification；
Support that TCP/IP accelerates (IPv4check sum offload) offloading the CPU, improve complete machine usefulness；10ns I/O reads
Write the time.DM9000A ethernet controller follows the 802.3 Ethernet host-host protocols that IEEE promulgates.This circuit is also integrated with
EEPROM interface, is input in chip by EEPROM during startup, it is achieved thereby that auto-initiation.
Zigbee protocol stack is made up of one group of sublayer.Every layer provides one group specifically to service for its upper strata: a data entity provides
Data transport service, a management entity provides all other services.Each service entities passes through a Service Access Point (SAP)
For its serve upper layers interface, and each SAP provides a series of basic service and has instructed corresponding function.
IEEE 802.15.4-2003 standard defines nethermost two-layer: physical layer (PHY) and medium access control layer (MAC).
ZigBee alliance provides Internet and the design of application layer (APL) framework.Wherein, the framework of application layer includes application
Hold sublayer (APS), Zig Bee device object (ZDO) and the application formulated by manufacturer.
Summary of the invention
(1) goal of the invention
It is an object of the invention to provide the remotely intelligently monitoring system of a kind of long distance control system, such as agricultural greenhouse for various environment
System, household long-range intelligent monitor system, landslide remote intelligent monitoring system, warehouse Intelligent remote monitoring system etc..
The invention provides by browser access server ip address, open server log interface.Login username and password
After, click on login and can enter control interface.Click on corresponding hyperlink and can enter real-time parameter display interface or real-time video
Acquisition interface.It is mounted with that one piece of TFT touch screen is used as standby monitoring interface on the server.TFT touch screen extends on webpage
Function, when hacker breaks through network, manager can be disconnected by point touching screen and connect network, simultaneously click on call history
IP finds illegal IP lander and solves a case to facilitate.
(2) technical scheme
The concrete technical scheme of the present invention is: a kind of Intelligent remote monitoring system, including server and Internet of Things subsystem, described clothes
Business device software module include protocol stack, operating system and compressed file system, it is characterised in that described Internet of Things subsystem by
Multiple Local Area Networks are constituted, and each Local Area Network includes regional coordination device, router and sensing node, and described sensing node collects
Becoming sensor, in order to obtain the physical parameter of long-range monitoring point, sensing node adds Local Area Network by router, and router leads to
Cross routing table and establish the communication path relation of coordinator, router, sensing node, packet is routed to association from sensing node
Adjusting device, data are delivered in real time on server by coordinator again by Serial Port Line.
The present invention utilizes Niche Stack ICP/IP protocol stack, uC/OS-II operating system, Zip File System, multi-CPU
Technology and ZigBee technology design.This system, with polylith CC2430 module for monitoring child node, collects in each child node
Become the various sensors such as humiture, noise, illumination, gas concentration lwevel, in order to obtain the physical parameter of long-range monitoring point,
And pass to coordinator wirelessly.Data in these child nodes are delivered in real time by DE2 by coordinator again by Serial Port Line
Set up Web server on so that user leave monitoring environment the most all can by Internet realize to agricultural long-range
Monitoring.
Web server is by NicheStack ICP/IP protocol stack, μ C/OS-II and tri-component softwares of Zip File System
Co-design forms.Be capable of automatically refreshing, the function such as hyperlink, roll titles.Not only real-time update can monitor data,
The real-time video of long-range monitoring field can also be transmitted in network.Substantial amounts of control circuit, such as buzzing is have also been devised on DE2
Device, touch screen, motor, the device such as relay is installed as required.
Embedded in two Nios II CPU in the fpga chip of the present invention, one is used for building Web server, and one is used for controlling
Photographic head processed, do so had both alleviated the burden of CPU, improve execution efficiency and stability, also enhanced the real-time of system
Energy.In system design process, independent development goes out 3 IP kernels, and writes out corresponding driver.These 3 IP kernels are respectively
DM9000a Core, is used for driving DM9000 (10M/100M Ethernet card chip)；TFT Core, is used for driving TFT to show
Screen；StepperMotor Core, for drive stepping motor.
Altera corp does not provide the IP Core of DM9000A chip and relevant driver.Compiled by oneself in the present invention
Write the IP Core of DM9000A chip and relevant driver.More than 200 state or control is had in DM9000A chip
Depositor processed, each depositor correspond to 8 positions, and the effect of each is the most different, and reset, reading and writing necessary
Carrying out according to strict process could success.Table 1 below be DM9000A software driver in function effect.
Function effect in the software driver of table 1 DM9000A
The standby monitoring of the present invention uses resistance type touch control screen, and its driving chip is ILI9325, and touch screen control chip is
ADS7843.Verilog HDL hardware description language is used to write the interface connecting ILI9325 and ADS7843 to Nios CPU
Program, is then packaged as the IP Core of TFT screen, finally writes corresponding driver by C language on software platform.
SOPC developer needs to use TFT touch screen to have only to add TPT Core and corresponding Driver Library just can use this TFT.
Table 2 below is function effect in TFT driver.
Function effect in table 2 TFT driver
Employ motor inside the control circuit of the present invention, and write BJDJ Core and corresponding driver for it,
Motor positive direction Arbitrary Rotation can be realized and opposite direction rotates at any angle, be available for other SOPC developers and use.
The present invention has invented a kind of extensive method transmitting data between Nios II CPU, utilizes Mutex Core exclusive reference
Internal memory realizes large-scale data transmission, and the highest Mutex Core that once can transmit accesses capacity the data of internal memory.
Present invention software programming based on Nios CPU achieves the dynamic refresh method of webpage, and the method is to utilize μ C/OS-II
The task that operating system creates realizes, and terminal PC shows respective interface by after browser access server, this boundary
Face can realize refreshing interface by the appointment time.
The present invention uses serial ports photographic head PTC01 to gather real-time video information, by adding UART Core in SOPC system,
The speed of 115200bit/s is set, then writes corresponding driver and schemed accordingly to the transmission instruction of serial ports photographic head
As information.This driver usage is developer after adding UART Core, adds in the corresponding software engineering of Nios IDE
Ptc01.c and Ptc01.h may be used for developing of this photographic head.
The wireless Internet of Things of the present invention is that intelligent remote monitoring system gathers data and transmission network and the terminal control controlling data is adopted
Collection module, the design of this system is built upon being designed on the Z-Stack protocol stack of Texas Instruments company, network
Work first carried out signal energy detection by the Zigbee coordinator in each region and channel set scans, select suitably to communicate letter
Road, after determining a PAN ID network numbering of territory network and MAC physical address, has established respective Local Area Network；District
Territory network is distinguished by PAN ID network numbering, and the sensing node near regional coordination device passes through scan channel, connects
Neighbouring Local Area Network, obtains the short MAC physical address of 16 simultaneously, and same-router adds Local Area Network, and router leads to
Cross routing table and establish the communication path relation of coordinator, router, sensing node, packet is routed to association from sensing node
Adjust device.The collection of environmental data is by sensing node, and sensing acquisition event is carried out self-defined by the OSAL layer at software:
#define MY_START_EVT 0X0001//addition network
#define SENSOR_EVT 0X0004//sensing acquisition
Event is processed by ZigBee systems soft ware of the present invention by repeating query search operation system, calls Sensonr_App ()
Function carries out data acquisition and sends, it is achieved detect ambient parameters in real time.Data from sensing node
Wrap owing to transmission range is limited, it is impossible to be directly transmitted to coordinator, thus, adding one-level routing node in centre carries out data route,
The sensing node packet received just is not processed and is routed directly to next stage router or coordinator by simple route, for
Reduction router--the channel utilization of coordinator and coordinator unit interval data load amount, will be from region in router side
All packets of sensing node obtain the data of node after unpacking after, reintegrate into new area data bag and be transmitted
Transmission, when coordinator receives the environmental data bag in the most packed whole region of router, and place that packet is unpacked
Reason, it is thus achieved that each sensing node data, carries out Serial Port Transmission, passes to Web server server.
Accompanying drawing explanation
Fig. 1: Web server system architecture diagram based on SOPC
Fig. 2: Internet of Things subsystem based on ZigBee
Fig. 3: by the terminal unit of Internet monitoring server
Fig. 4: correspondence between 10 processes in Web server
Fig. 5: PTC01 program flow diagram
Detailed description of the invention
Below in conjunction with the accompanying drawings, elaborate to being preferable to carry out example, that the description below is merely exemplary rather than in order to limit
The scope of system invention, and application.
Fig. 1 is the system architecture diagram of the Web server built with DE2 development board, and it is total that each IP Core is mounted to Avalon
On line, the corresponding IP corresponding peripheral hardware of Core carry constitutes a complete system.Reserved external interface has TFT screen (to touch
Control and display), UART1Core (is used for and ZigBee subsystem communication), and UART2Core (is used for gathering video information),
Network interface (being used for) connects terminal network appliance.
This TFT screen is touch screen, within the system main display exploitation version, system operation methods, all functions of system, visit
Ask the IP of this server user and various sensor values.Mainly have control external equipment for controlling, as relay, direct current generator,
Motor, LED etc..For the control of internal process, click on the disconnection network equipment and enter for deleting internal relevant network
Journey is used for cutting off external network and attacks, if network recovery can click on safely re-accessing network, internal process then re-registers.
Web server neutron function core UART1Core uses RS232 three line construction agreement, is used for setting up Web server
And the communication between ZigBee coordinator.Web server accurately to receive the ambient parameter data of ZigBee-network, it is necessary to system
Fixed strict communication protocol, intercommunication is to carry out frame transmission in units of packet, if table 3 is Web server and ZigBee
Communication data packet frame format, the frame head of packet and the value of postamble are fixed, and the information of node is encapsulated into data in units of structure
Bag.After SOPC host computer receives ZigBee coordinator information, in serial ports interrupts, it is sequentially loaded into reception by an array
The byte data arrived, finds frame head and postamble by arranging two pointers, is finding frame head and postamble, and meeting:
Postamble address=frame head address+9
Time, take packet apart, take out voltage, temperature, humidity, illumination equivalence.
Table 3 Web server and ZigBee communication data frame format
| Title | Frame head | ID | Voltage | Temperature | Humidity | Illumination | Postamble |
| Value | 0xFF | -- | -- | -- | -- | -- | 0xBB |
| Byte | 1 | 1 | 1 | 2 | 2 | 1 | 1 |
Web server neutron function core UART2Core uses RS232 three line construction agreement to send instruction to Camera, adopts
Collection video information.
The Dm9000Core of Web server is connected to Ethernet interface, by netting twine, this network interface can be connected to Internet and supply
Remote terminal accesses, and client has only to open browser, can enter at address field input appropriate address and login interface.
Fig. 2 is Internet of Things subsystem based on ZigBee, and coordinator is the promoter of network, and after powering on, coordinator is searched for end automatically
End node, if hypertelorism, needs to add router routing forwarding and then finds terminal node.Terminal node is responsible for gathering each
Then the data of sensor mail to coordinator, are forwarded by router apart from inadequate.
Fig. 3 is that the network interface of Web server is connected to Internet, and PC, smart mobile phone, panel computer etc. set as seen from the figure
For accessing this server.
The CPU1 that the FPGA that this invention uses is internally embedded have employed μ C/OS-II operating system and (enters based on multi-process or task
Journey is for operating system term, and task is for user's term) mode be programmed for realizing network service, as shown in Figure 4:
Process one: WSInitialTask (), is used for initializing system and creating other process, and this process can be in system start-up
It is automatically deleted oneself afterwards.Why wanting do so, this is a big feature of μ C/OS-II operating system.
Process two: InetMain (), main NicheStack ICP/IP protocol stack task, allocated priority is 2.
Process three: Clocktick (), the Clock management task of NicheStack ICP/IP protocol stack, allocated priority is 3.
Above the two process is the internal process of NicheStack ICP/IP protocol stack, is not belonging to the application process of user, they
In 64 priority taking μ C/OS-II of can do by myself two, and be higher two priority, process under default situations
Two priority that can take are 2, and the priority that process three can take is 3.You can also revise the two in ipport.h file
The priority of process.Please not want the process again priority of the two process being distributed to other.
Process four: WSCreateTask (), be used for create WSTask (), Task_Create_Main_Page (),
Task_Handle_RS232()、Task_PTC_to_DE2_Pic()、TFT_LCD320240_Task()、
These six tasks of Task_Farm_Auto_Ctr ().Task WSCreateTask () does not has an Infinite Cyclic structure of while (1), and one
Denier starts, and only runs and the most just terminates.
Process five: WSTask (), this is the task of system most critical, is specifically used to realize network, can call inside it socket,
The functions such as bind, listen, select, send, recv, FD_SET, FD_ZERO, FD_ISSET.
Process six: Task_Create_Main_Page (), this process is specifically used to create can the webpage of refresh data automatically.Cause
Be a webpage be nothing but to be formed through the explanation of browser with some codes of html written, be to making in webpage
Data constantly refresh, and the method that we use is not only the parameters such as the temperature updated, humidity to be added to the html of newly-built webpage
In code.A special process is thus needed constantly to create the html code of new webpage.
Process seven: Task_Handle_RS232 (), is specifically used to analyze the greenhouse-environment data issuing DE2 from main ZigBee,
And these orders are sent to Task_Create_Main_Page, make it constantly create the webpage that have updated.Because main ZigBee
And communicated by RS232 between DE2, main ZigBee issues RS232 environmental data, just have in DE2 a lot of in
Disconnected, often carry out an interruption, to receiving, caching will write a number, and write pointer be pushed forward simultaneously, this is
It is accomplished by a process reading to receive the data in caching.This process is analyzed according to the data encoding received in caching, from
And obtain main ZigBee and pass to the information content of DE2.
Process eight: Task_PTC_to_DE2_Pic (), this process is to be specifically used to read the picture that CPU2 is stored in SRAM
Information, then decode and be stored to respectively inside three cachings, other process just can be called these three cachings and picture is uploaded to net
Network, by browser resolves out.
Process nine: TFT_LCD320240_Task (), this process is mainly used to carry out the initialization of TFT, Exactly-once,
The Dynamic Announce of nuclear environment variable, control TFT touches implement of interruption function,
Process ten: Task_Farm_Auto_Ctr (), this task is the sensing according to the internet-of-things terminal uploading to web server
Device data carry out thresholding judgement, then to internet-of-things terminal transmitting control commands, control being turned on and off of relevant device.
The important collection for realizing screen frame of CPU2 that the FPGA that this invention uses is internally embedded, is illustrated in figure 5 CPU2
Program flow diagram.Program flow diagram includes power-up initializing flow process and flow process of taking pictures.
PTC01 photographic head power-up initializing flow process: 1, power on, 2, time delay 2.5 seconds, 3, send reset instruction, 4, set
Put take pictures picture size instruction, 5, arrange take pictures picture compression rate instruction.
Take a picture flow process: 1, send photographing instruction 2, send and read clapped picture length instruction 3, transmission the clapped picture of reading
Data command 4, finally transmission stop photographing instruction.
Claims (6)
1. an Intelligent remote monitoring system, including server and Internet of Things subsystem, described server soft
Part module includes protocol stack, operating system and compressed file system, it is characterised in that described Internet of Things subsystem
System is made up of multiple Local Area Networks, and each Local Area Network includes regional coordination device, router and sensing node,
Integrated sensor on described sensing node, in order to obtain the physical parameter of long-range monitoring point, sensing node passes through
Router adds Local Area Network, and router establishes coordinator, router, sensing node by routing table
Communication path relation, is routed to coordinator by packet from sensing node, and coordinator passes through Serial Port Line again by number
It is delivered on server time factually.
2. a kind of Intelligent remote monitoring system, it is characterised in that described server chips
Using fpga chip, and embedded in two Nios II CPU in described fpga chip, one is used for structure
Building Web server, one is used for controlling photographic head.
3. a kind of Intelligent remote monitoring system, it is characterised in that pacify on described server
Fill one piece of TFT touch screen and be used as standby monitoring interface, described server fpga chip has also included TFT
Core, is used for driving TFT display screen；DM9000core, is used for driving DM9000 Ethernet card chip；
StepperMotor Core, for drive stepping motor；UART Core, is used for driving MAX232 to transmit
RS232 protocol data.
4. a kind of Intelligent remote monitoring system, it is characterised in that described UART Core
Including two function daughter nucleus of UART1Core and UART2Core, UART1Core uses RS232 tri-line
Communication protocol, is used for setting up the communication between Web server and ZigBee coordinator, and UART2Core makes
Send instruction by RS232 three line construction agreement to photographic head, gather video information.
5. a kind of Intelligent remote monitoring system, it is characterised in that described monitoring child node
For CC2430 module, each child node is integrated with humiture, noise, illumination, gas concentration lwevel biography
Sensor.
6. the method realizing network service in Intelligent remote monitoring system as claimed in claim 2, including:
1) create process WSInitialTask (), be used for initializing system and creating other process, and
It is automatically deleted after system start-up；
2) creating process InetMain () inside protocol stack, the priority of distribution is 2, process Clocktick ()
The priority of distribution is 3；
3) create process WSCreateTask (), be used for create WSTask (),
Task_Create_Main_Page()、Task_Handle_RS232()、Task_PTC_to_DE2_Pic()、
These six tasks of TFT_LCD320240_Task (), Task_Farm_Auto_Ctr ()；
4) network service is realized by WSTask ()；Being created by Task_Create_Main_Page () can be certainly
The webpage of dynamic refresh data；By Task_Handle_RS232 () analytical data, and these orders are sent to
Task_Create_Main_Page (), makes it constantly create the webpage updated；Pass through
Task_PTC_to_DE2_Pic () reads the pictorial information that CPU2 is stored in SRAM, then decodes and deposits respectively
Inside three cachings, other processes just upload to network picture, by clear by calling these three cachings
Device of looking at parses；The initialization of TFT is carried out by TFT_LCD320240_Task ()；Pass through
Task_Farm_Auto_Ctr (), this task is the sensing according to the internet-of-things terminal uploading to web server
Device data carry out thresholding judgement, then to internet-of-things terminal transmitting control commands, control opening of relevant device
Or turn off.
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| CN108681295B (en) * | 2018-05-29 | 2020-11-03 | 中电投湖北界岭风力发电有限公司 | Intelligent automatic fire-fighting measurement and control system for wind power engine room |
| CN109756576A (en) * | 2019-01-31 | 2019-05-14 | 河北荣毅通信有限公司 | A kind of photoelectric grid system |
| CN109756576B (en) * | 2019-01-31 | 2022-08-26 | 河北荣毅通信有限公司 | Photoelectric network system |
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