CN110737609B - Data management method, device, equipment and storage medium based on virtual register - Google Patents
Data management method, device, equipment and storage medium based on virtual register Download PDFInfo
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- CN110737609B CN110737609B CN201910927189.1A CN201910927189A CN110737609B CN 110737609 B CN110737609 B CN 110737609B CN 201910927189 A CN201910927189 A CN 201910927189A CN 110737609 B CN110737609 B CN 110737609B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/10—Address translation
- G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/10—Address translation
- G06F12/109—Address translation for multiple virtual address spaces, e.g. segmentation
Abstract
The invention provides a data management method based on a virtual register, which comprises the following steps: acquiring data to be stored; respectively storing the data into a predefined virtual register and an external memory; the data stored in the virtual register is packaged into at least one data unit with a preset format and a preset data length according to the data size of the data, and each data unit corresponds to one virtual register; and mapping into an address mapping table according to the storage addresses of the data in the virtual register and the external memory, so that when the data is to be read and written, the data can be read and written according to the storage address of the data in the virtual register, the number of corresponding virtual registers and the address mapping table in the external memory. The invention improves the management efficiency of data and reduces the difficulty of later maintenance and error detection.
Description
Technical Field
The invention relates to the technical field of data communication, in particular to a data management method, a data management device, data management equipment and a storage medium based on a virtual register.
Background
The internet of things can be divided into a sensing layer, a network layer and an application layer, wherein the sensing layer collects relevant information through a sensor, the network layer transmits the information acquired by the sensing layer, and the application layer receives data of the network layer and analyzes and processes the data. The network layer terminal equipment needs to configure specific parameter information to realize communication with the sensing layer and the application layer, the sensing layer collects a large amount of sensor data information and transmits the sensor data information to the application layer through the network layer terminal equipment, and the data communication process involves a large amount of data, such as configuration parameters, communication parameters, log data and the like.
In general, each data type, storage mode, and application are different, so generally, different modes or protocols are required to be adopted to process the data according to application requirements, and storage spaces are opened up for managing different types of data in a memory separately, which increases the maintenance cost in the later period.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a method, an apparatus, a device and a storage medium for data management based on a virtual register, so as to improve the low efficiency of data management in the prior art. The maintenance cost is high.
The embodiment of the invention provides a data management method based on a virtual register, which comprises the following steps:
acquiring data to be stored;
respectively storing the data into a predefined virtual register and an external memory; the data stored in the virtual register is packaged into at least one data unit with a preset format and a preset data length according to the data size of the data, and each data unit corresponds to one virtual register;
and mapping into an address mapping table according to the storage addresses of the data in the virtual register and the external memory, so that when the data is to be read and written, the data can be read and written according to the storage address of the data in the virtual register, the number of corresponding virtual registers and the address mapping table in the external memory.
Preferably, the data includes configuration parameters, communication data or log data generated during communication.
Preferably, the data unit includes a size, a type and an access right of the data.
Preferably, the virtual register and the external memory communicate by using a MODBUS protocol.
Preferably, the mapping to an address mapping table according to the storage addresses of the data in the virtual register and the external memory specifically includes:
providing a plurality of virtual register addresses, and distributing data content to each virtual register address;
establishing an address mapping table based on the data content; and the physical address of the external memory and the virtual address in the virtual register have a one-to-one mapping relation.
Preferably, the method comprises the following steps:
acquiring the address of data to be read and written in the virtual register and the number of the corresponding virtual registers;
acquiring the address and the data size of the data in an external memory according to the address of the data in a virtual register, the number of corresponding virtual registers and a preset address mapping table;
and performing read-write management operation on the data in the external memory according to the address and the data size of the data in the external memory.
The embodiment of the invention also provides a data management method and device based on the virtual register, which comprises the following steps:
the data acquisition unit is used for acquiring data to be stored;
the storage unit is used for respectively storing the data into a predefined virtual register and an external memory; the data stored in the virtual register is packaged into a plurality of data units with a preset format and a preset data length according to the data size of the data, and each data unit corresponds to one virtual register;
and the mapping relation establishing unit is used for mapping the data into an address mapping table according to the storage addresses of the data in the virtual register and the external memory, so that when the data is to be read and written, the data can be read and written in the external memory according to the storage addresses of the data in the virtual register, the number of the virtual registers and the address mapping table.
Preferably, the mapping relationship establishing unit specifically includes:
the data content distribution unit is used for providing a plurality of virtual register addresses and distributing data content for each virtual register address;
the mapping unit is used for establishing an address mapping table based on the data content; and the physical address of the external memory and the virtual address in the virtual register have a one-to-one mapping relation.
An embodiment of the present invention further provides a data management device based on a virtual register, which includes a processor, a memory, and a computer program stored in the memory, where the computer program is executable by the processor to implement the data management method based on a virtual register as described above.
The embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, and when the computer program runs, the device on which the computer-readable storage medium is located is controlled to execute the virtual register-based data management method.
In the above embodiment, the data to be stored is stored in the predefined virtual register and the external memory respectively, and the address mapping table is established according to the storage address, so that when the data is to be read and written, the data can be read and written in the external memory according to the storage address of the data in the virtual register, the number of the corresponding virtual registers, and the address mapping table, thereby implementing unified management on various types of data, improving efficiency, avoiding protocol redundancy, and reducing difficulty in later maintenance and error detection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic flowchart of a data management method based on virtual registers according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of a process of reading data according to the first embodiment of the present invention.
Fig. 3 is a schematic flowchart of a data management method based on virtual registers according to a second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a virtual register-based data management apparatus according to a third embodiment of the present invention.
Icon: 104-external memory; 105-a virtual register; 301-a data acquisition unit; 302-a storage unit; 303-mapping relationship establishing unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, a first embodiment of the present invention provides a data management method based on a virtual register 105, which can be executed by a terminal of the internet of things, and in particular, which can be executed by one or more processors in the terminal of the internet of things, including the following steps:
s101, acquiring data to be stored;
in this embodiment, the internet of things terminal is an intelligent terminal device which realizes remote data acquisition, processing, storage, encryption and transmission based on communication modules such as GPRS, CDMA, 3G/4G, NB-IoT, and LoRa, and may be an RTU, a DTU, and the like.
In this embodiment, the internet of things terminal is respectively communicated with the sensor and the application platform, and a large amount of data is involved in the communication process. The Internet of things terminal stores the received sensing data, configuration instructions and the like and receives read-write instructions from the application platform as responses, and the Internet of things terminal performs read-write operation on the stored data and then transmits read-write results to the application platform.
The data to be stored comprises configuration parameters, communication data or log data generated in the communication process. The configuration parameters are transmission control parameters based on communication data, such as: IP, port number, heartbeat interval, instructions, etc. The communication data includes, but is not limited to: numbers, text, sounds, images, etc. The log data includes a network device log (routing switching device), a link performance monitoring log (packet loss rate, bit error rate, time delay), a device operation log, a monitoring index and the like, and the invention is not particularly limited.
S102, storing the data into a predefined virtual register 105 and an external memory 104 respectively; wherein the data stored in the virtual register 105 is packed into at least one data unit having a predetermined format and a predetermined data length according to its data size, each data unit corresponding to one virtual register 105;
in this embodiment, the external memory 104 may be a hard disk memory, a removable memory such as a usb disk memory card, a floppy disk, a removable hard disk, or an optical memory such as an optical disk, and the like, which are not described in detail herein.
In this embodiment, before data storage in the virtual register 105, the data has different data formats, types and sizes, for example: the Baud rate data type BRATE is 1 byte in size and can be read and written; the Bluetooth password data type TPASSWORD is 16 bytes in size and is read only; the heat meter data type is DATAH, the size is 256 bytes, and the heat meter data type is readable, writable and the like.
The virtual memory may be interpreted as an "indirect memory address" for communicating data, providing an addressable storage location where data is stored. The virtual address, data type and size of each of the virtual registers 105 need to be predefined.
For example, it can be defined that the virtual addresses of the virtual registers 105 are accumulated in units from 0 according to the data storage order and the number of the corresponding virtual registers 105; and defining the data into a uniform binary format, and packaging the data into at least one data unit with a preset data length according to the size of the data.
It should be noted that the format and the data length of any two data units are the same.
S103, mapping into an address mapping table according to the storage addresses of the data in the virtual register 105 and the external memory 104, so that when the data is to be read and written, the data can be read and written in the external memory 104 according to the storage address of the data in the virtual register 105, the number of the corresponding virtual registers 105, and the address mapping table.
In this embodiment, the address mapping table establishes a unique mapping relationship between a virtual address of data in the virtual register 105 and a physical address of the data in the external memory 104, and does not depend on a complex communication protocol, upper layer software and an operating system, thereby achieving unified management of data and improving management efficiency.
In a specific embodiment, fig. 2 shows a schematic process of reading data, first, storing data to be stored into the external memory 104 and the virtual register 105, respectively, wherein the data virtual register 105 is packaged into three data units with a predetermined format and a predetermined data length, each data unit corresponds to one virtual register 105 and a virtual address, and the three virtual addresses have a unique mapping relation with a physical address of the data. The fact that data can be read from the virtual register 105 based on the address mapping table means that the corresponding physical address in the external memory 104 can be directly accessed by using the virtual address of the data in the virtual register 105, so as to obtain the information of the actual size, type and the like of the data for unified management.
In summary, in the data management method based on the virtual register 105 provided in this embodiment, the data to be stored is stored in the predefined virtual register 105 and the predefined external memory 104, and the address mapping table is established according to the storage addresses, so that when the data is to be read and written, the data can be read and written in the external memory 104 according to the storage addresses of the data in the virtual register 105, the number of the corresponding virtual registers 105, and the address mapping table, thereby implementing unified management on various types of data, improving efficiency, avoiding redundancy of protocols, and reducing difficulty of post-maintenance and error detection.
On the basis of the above embodiments, in a preferred embodiment, the virtual register 105 and the external memory 104 communicate with each other by using a MODBUS protocol.
It should be noted that, in this embodiment, the communication protocol between the virtual register 105 and the external memory 104 may also adopt other types of general protocols such as: the PLC protocol or the custom protocol is adopted, and the present invention is not particularly limited.
On the basis of the foregoing embodiment, in a preferred embodiment, the mapping to an address mapping table according to the storage addresses of the data in the virtual register 105 and the external memory 104 specifically includes:
providing a plurality of virtual register 105 addresses, and distributing data content to each virtual register 105 address;
establishing an address mapping table based on the data content; wherein, the physical address of the external memory 104 and the virtual address in the virtual register 105 have a one-to-one mapping relationship for the data in the address mapping table.
In this embodiment, the data content is encapsulated in a data unit, which includes the size, type, access right, virtual address, type, port, baud rate, and so on of the data. Wherein the access rights include at least one of disable, read-only, browse, and release. Optionally, the request sequence number of the data, the error check code, and the like may also be encapsulated in the data unit, which is not limited in the present invention.
Referring to fig. 3, fig. 3 is a flowchart of a virtual register-based data management method according to a second embodiment of the present invention, where the data management method is described from the read side, and includes the following steps:
s201, acquiring the address of data to be read and written in a virtual register and the number of corresponding virtual registers;
s202, acquiring the address of the data in an external memory and the size of the data according to the address of the data in a virtual register, the number of corresponding virtual registers and a preset address mapping table;
s203, according to the address and the data size of the data in the external memory, performing read-write management operation on the data in the external memory.
In the data management method based on the virtual register provided by this embodiment, the data to be stored is stored in the predefined virtual register and the external memory respectively, and the address mapping table is established according to the storage address, so that when the data is to be read and written, the data can be read and written in the external memory according to the storage address of the data in the virtual register, the number of the corresponding virtual registers, and the address mapping table, thereby implementing unified management on various types of data, improving efficiency, avoiding protocol redundancy, and reducing the difficulty of post-maintenance and error detection.
Referring to fig. 4, a third embodiment of the present invention provides a virtual register-based data management method apparatus, including:
a data acquisition unit 301 configured to acquire data to be stored;
a storage unit 302, configured to store the data in a predefined virtual register and an external memory, respectively; the data stored in the virtual register is packaged into a plurality of data units with a preset format and a preset data length according to the data size of the data, and each data unit corresponds to one virtual register;
a mapping relationship establishing unit 303, configured to map the data into an address mapping table according to the storage addresses of the data in the virtual register and the external memory, so that when the data is to be read and written, the data can be read and written in the external memory according to the storage address of the data in the virtual register, the number of virtual registers, and the address mapping table.
Preferably, the data includes configuration parameters, communication data or log data generated during communication.
Preferably, the data unit includes a size, a type and an access right of the data.
Preferably, the virtual register and the external memory communicate by using a MODBUS protocol.
Preferably, the mapping relationship establishing unit 303 specifically includes:
the data content distribution unit is used for providing a plurality of virtual register addresses and distributing data content for each virtual register address;
the mapping unit is used for establishing an address mapping table based on the data content; and the physical address of the external memory and the virtual address in the virtual register have a one-to-one mapping relation.
A fourth embodiment of the present invention provides a virtual register-based data management apparatus, including a processor, a memory, and a computer program stored in the memory, the computer program being executable by the processor to implement the virtual register-based data management method as described above.
A fifth embodiment of the present invention provides a computer-readable storage medium, which includes a stored computer program, wherein when the computer program runs, a device in which the computer-readable storage medium is located is controlled to execute the virtual register-based data management method as described above.
Illustratively, the computer programs described herein can be partitioned into one or more modules that are stored in the memory and executed by the processor to implement the invention. The one or more modules may be a series of computer program instruction segments capable of performing certain functions, which are used to describe the execution of the computer program in the implementation device. For example, the device described in the second embodiment of the present invention.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an APPlication Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the printing method, and various interfaces and lines connecting the various parts throughout the implementation of the document printing method.
The memory may be used to store the computer programs and/or modules, and the processor may implement various functions of the printing method by executing or executing the computer programs and/or modules stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, a text conversion function, etc.), and the like; the storage data area may store data (such as audio data, text message data, etc.) created according to the use of the user terminal, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the module for realizing the user terminal can be stored in a computer readable storage medium if it is realized in the form of software functional unit and sold or used as a stand-alone product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A data management method based on a virtual register is characterized by comprising the following steps:
acquiring data to be stored;
respectively storing the data into a predefined virtual register and an external memory; the data stored in the virtual register is packaged into at least one data unit with a preset format and a preset data length according to the data size of the data, and each data unit corresponds to one virtual register;
according to the storage addresses of the data in the virtual registers and the external memory, mapping into an address mapping table, so that when the data is to be read and written, the data can be read and written according to the storage addresses of the data in the virtual registers, the number of corresponding virtual registers and the address mapping table;
acquiring the address of data to be read and written in the virtual register and the number of the corresponding virtual registers;
acquiring the address and the data size of the data in an external memory according to the address of the data in a virtual register, the number of corresponding virtual registers and a preset address mapping table;
and performing read-write management operation on the data in the external memory according to the address and the data size of the data in the external memory.
2. The virtual register-based data management method of claim 1, wherein the data comprises configuration parameters, communication data or log data generated during communication.
3. The virtual register-based data management method of claim 1, wherein the data unit comprises size, type and access rights of data.
4. The virtual register-based data management method of claim 1, wherein the virtual register and the external memory communicate using a MODBUS protocol.
5. The method according to claim 1, wherein mapping the data to an address mapping table according to the storage addresses of the data in the virtual register and the external memory includes:
providing a plurality of virtual register addresses, and distributing data content to each virtual register address;
establishing an address mapping table based on the data content; and the physical address of the external memory and the virtual address in the virtual register have a one-to-one mapping relation.
6. A data management method device based on a virtual register is characterized by comprising the following steps:
the data acquisition unit is used for acquiring data to be stored;
the storage unit is used for respectively storing the data into a predefined virtual register and an external memory; the data stored in the virtual register is packaged into a plurality of data units with a preset format and a preset data length according to the data size of the data, and each data unit corresponds to one virtual register;
the mapping relation establishing unit is used for mapping the data into an address mapping table according to the storage addresses of the data in the virtual register and the external memory, so that when the data is to be read and written, the data can be read and written in the external memory according to the storage addresses of the data in the virtual register, the number of the virtual registers and the address mapping table;
acquiring the address of data to be read and written in the virtual register and the number of the corresponding virtual registers;
acquiring the address and the data size of the data in an external memory according to the address of the data in a virtual register, the number of corresponding virtual registers and a preset address mapping table;
and performing read-write management operation on the data in the external memory according to the address and the data size of the data in the external memory.
7. The virtual register-based data management method apparatus of claim 6, wherein the mapping relationship establishing unit specifically includes:
the data content distribution unit is used for providing a plurality of virtual register addresses and distributing data content for each virtual register address;
the mapping unit is used for establishing an address mapping table based on the data content; and the physical address of the external memory and the virtual address in the virtual register have a one-to-one mapping relation.
8. A virtual register-based data management apparatus comprising a processor, a memory, and a computer program stored in the memory, the computer program being executable by the processor to implement a virtual register-based data management method according to any one of claims 1 to 5.
9. A computer-readable storage medium, comprising a stored computer program, wherein the computer program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform the virtual register-based data management method according to any one of claims 1 to 5.
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