CN110362296A - Device data monitoring system based on javascript - Google Patents
Device data monitoring system based on javascript Download PDFInfo
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- CN110362296A CN110362296A CN201910630047.9A CN201910630047A CN110362296A CN 110362296 A CN110362296 A CN 110362296A CN 201910630047 A CN201910630047 A CN 201910630047A CN 110362296 A CN110362296 A CN 110362296A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/20—Software design
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
- G06F8/31—Programming languages or programming paradigms
- G06F8/315—Object-oriented languages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Debugging And Monitoring (AREA)
Abstract
The device data monitoring system based on javascript that the present invention relates to a kind of, it is characterized in that: including nucleus module, protocol resolution module and bus interface module；The bus interface module includes the processReadCmd interface of the returned packet for generating the getReadCmd interface of data read command message, for handling data read command, the processWriteCmd interface for handling order reception time-out waitTimeout interface, the getWriteCmd interface for generating data writing commands message, the returned packet for handling data writing commands；The device data monitoring system discloses the access interface of internal system to javescript engine, so that device protocol script is interacted with main program.The problems such as protocol module of each equipment of the present invention is write with javascript scripting language, does not need to build complicated exploitation environment in the process of development, while can solve the compatibility and safety of different hardware platforms again.
Description
Technical field
The device data monitoring system based on javascript that the present invention relates to a kind of, belongs to technical field of information processing.
Background technique
Traditional device data monitoring system is to be communicated by writing upper computer software system with terminal device,
The data of terminal device are collected host computer or the order of host computer is sent to terminal device.The communications protocol of terminal device
Many kinds of, it is extremely difficult to access a kind of new equipment, if upper computer software system does not support the dynamically load of communication module,
The communication part for then needing to modify software allows it to support new device protocol；If supporting, only need to develop one again
A communications protocol card module, allows major software system loads that can support new device protocol.Just second of mode at last, although
It can flexibly load, but this plug-in unit can only be developed using compiled language, such as C or C++, be primarily present following several
A problem, first cannot be compatible with different platforms, and the library such as compiled at ARM cannot be placed directly under X86 and run；Second plug-in unit
Bug fatal influence can be caused to the stability of whole system；Third exploitation environmental structure is relatively difficult, wants to developer
Ask relatively high.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of number of devices based on javascript is provided
According to monitoring system, the protocol module of each equipment is write with javascript scripting language, does not need to build in the process of development
Complicated exploitation environment, while the problems such as can solve the compatibility and safety of different hardware platforms again.
According to technical solution provided by the invention, the device data monitoring system based on javascript, feature
It is: including nucleus module, protocol resolution module and bus interface module；
The bus interface module includes for generating the getReadCmd interface of data read command message, for handling data
The processReadCmd interface of the returned packet of reading order receives time-out waitTimeout interface for handling order, uses
In generating the getWriteCmd interface of data writing commands message, returned packet for handling data writing commands
ProcessWriteCmd interface；
The device data monitoring system discloses the access interface of internal system to javescript engine, so as to device protocol foot
This is interacted with main program.
Further, the data acquisition flow of the device data monitoring system includes:
(1) data acquisition module obtains data acquisition command, generates data acquisition command by protocol resolution module；
(2) data acquisition module sends data acquisition command to terminal device；
(3) Wait Orders such as data acquisition module return；If receiving return command, processing returns to orders；If order receives time-out,
Then terminate.
Further, the nucleus module includes data acquisition module, device management module, Http module and user management
Module.
Further, the protocol resolution module includes ammeter, water meter, sensor and controller etc..
Further, the bus interface module includes RS485 interface, RS232 interface, MBus interface and Can interface etc.
Fieldbus.
The invention has the following advantages that
(1) present invention solves the compatibility issue of each hardware platform, for same device protocol, it is only necessary to generate one
Agreement installation kit does not need to generate different agreement installation kits respectively for different platforms, in the specific use process yet
Do not allow error-prone；
(2) stability of whole system of the present invention has significant raising, and the stability of system not only depends on and main system before
Stability, additionally depend on the stability of Protocol Plug, be just now a bit small Bug of protocol library, but not influence entire
The stability of system；
(3) present invention requires to reduce to the developer in protocol analysis library, and javascript is the language belonged in web system
Speech, known developer is more and more now, and the developers such as C/C++ are then fewer and fewer, and hand is non-on javascript
Normal is fast.Our requirements to developer before will have certain basis C/C++, and working experience could be competent within 5 years or more, existing
Just at last without any working experience, also without any programming basis, hand can be gone up within 1 month or so；
(4) development efficiency is greatly improved, and develops a new device protocol before and takes around 7 working days, now
Only need 1 working day.
Detailed description of the invention
Fig. 1 is acquisition system physical topology figure of the present invention.
Fig. 2 is system structure of the invention figure.
Fig. 3 is data acquisition flow figure.
Specific embodiment
Below with reference to specific attached drawing, the invention will be further described.
It is as shown in Figure 1 and Figure 2: the device data monitoring system of the present invention based on javascript include nucleus module,
Protocol resolution module and bus interface module,
The nucleus module includes data acquisition module, device management module, Http module and user management module；
The protocol resolution module includes ammeter, water meter, sensor or/and controller；
The bus interface module includes the fieldbus such as RS485 interface, RS232 interface, MBus interface and Can interface.
The device data monitoring system defines the interface mark of device protocol parsing script when carrying out data acquisition first
Standard, each agreement script are defined as follows interface according to the functional requirement of itself: getReadCmd, processReadCmd,
WaitTimeout, getWriteCmd, processWriteCmd, wherein getReadCmd interface is for generating reading data life
Message is enabled, processReadCmd is used to handle the returned packet of data read command, and waitTimeout connects for handling order
Time-out is received, getWriteCmd is for generating data writing commands message, and processWriteCmd is for handling data write-in life
The returned packet of order；Then the access interface of internal system is disclosed to javescript engine, such as obtains current device table number, day
The interfaces such as will output, so that device protocol script is interacted with main program.
The data acquisition flow of the device data monitoring system is as shown in Figure 3, comprising:
(1) data acquisition module obtains data acquisition command, calls getReadCmd interface, generates data by protocol resolution module
Acquisition；
(2) data acquisition module sends data acquisition command to terminal device；
(3) Wait Orders such as data acquisition module return；If receiving return command, processing returns to orders；If order receives time-out,
Then terminate.
The invention has the following advantages that
(1) it present invention introduces the rendering engine library javascriptcore of javascript, is moved for each hardware platform
It plants and optimizes；
(2) since javascript is a kind of script type language, the byte processing to data can not be supported, and communications protocol is general
It needs to handle byte, the present invention increases on the basis of existing capability to the function such as the processing of byte and binary system processing
Energy；
(3) editor and debugging, the present invention of javascript code also developed matched Integrated Development Tool for convenience, solve
The certainly difficult problem of javascript debugging.
Claims (5)
1. a kind of device data monitoring system based on javascript, it is characterized in that: including nucleus module, protocol resolution module
And bus interface module；
The bus interface module includes for generating the getReadCmd interface of data read command message, for handling data
The processReadCmd interface of the returned packet of reading order receives time-out waitTimeout interface for handling order, uses
In generating the getWriteCmd interface of data writing commands message, returned packet for handling data writing commands
ProcessWriteCmd interface；
The device data monitoring system discloses the access interface of internal system to javescript engine, so as to device protocol foot
This is interacted with main program.
2. the device data monitoring system based on javascript as described in claim 1, it is characterized in that: the device data
The data acquisition flow of monitoring system includes:
(1) data acquisition module obtains data acquisition command, generates data acquisition command by protocol resolution module；
(2) data acquisition module sends data acquisition command to terminal device；
(3) Wait Orders such as data acquisition module return；If receiving return command, processing returns to orders；If order receives time-out,
Then terminate.
3. the device data monitoring system based on javascript as described in claim 1, it is characterized in that: the nucleus module
Including data acquisition module, device management module, Http module and user management module.
4. the device data monitoring system based on javascript as described in claim 1, it is characterized in that: the protocol analysis
Module includes ammeter, water meter, sensor and controller.
5. the device data monitoring system based on javascript as described in claim 1, it is characterized in that: the bus interface
Module includes RS485 interface, RS232 interface, MBus interface and Can interface field-bus interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630047.9A CN110362296A (en) | 2019-07-12 | 2019-07-12 | Device data monitoring system based on javascript |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630047.9A CN110362296A (en) | 2019-07-12 | 2019-07-12 | Device data monitoring system based on javascript |
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| Publication Number | Publication Date |
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| CN110362296A true CN110362296A (en) | 2019-10-22 |
Family
ID=68219046
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| CN201910630047.9A Pending CN110362296A (en) | 2019-07-12 | 2019-07-12 | Device data monitoring system based on javascript |
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