CN110753001A - Method and device for efficiently transmitting data and storage medium - Google Patents
Method and device for efficiently transmitting data and storage medium Download PDFInfo
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- CN110753001A CN110753001A CN201911025932.0A CN201911025932A CN110753001A CN 110753001 A CN110753001 A CN 110753001A CN 201911025932 A CN201911025932 A CN 201911025932A CN 110753001 A CN110753001 A CN 110753001A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5003—Managing SLA; Interaction between SLA and QoS
- H04L41/5019—Ensuring fulfilment of SLA
- H04L41/5022—Ensuring fulfilment of SLA by giving priorities, e.g. assigning classes of service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/13—Flow control; Congestion control in a LAN segment, e.g. ring or bus
Abstract
The invention provides a method and a device for efficiently transmitting data and a storage medium, wherein the method comprises the following steps: acquiring state information of equipment connected with a data bus, wherein the state information is used for indicating the state of the equipment for transmitting data; determining data transmission of a plurality of devices connected to the data bus according to the status information. The invention solves the problems of congestion, disorder and the like in the bus data transmission process caused by the simultaneous online of a plurality of pieces of equipment data in the related technology.
Description
Technical Field
The invention relates to the field of computers, in particular to a method and a device for efficiently transmitting data and a storage medium.
Background
In many common data buses (CAN \ RS485), some data of a plurality of devices connected to the data bus are often transmitted as follows: the data transmission system comprises state data, energy data, equipment information and the like, wherein the state data, the energy data, the equipment information and the like need to be transmitted in real time, the data volume is huge, and important data are frequently lost, disordered and blocked by a bus in the data transmission process, so that the data transmission stability is not high.
In view of the above problems in the related art, no effective solution exists at present.
Disclosure of Invention
The embodiment of the invention provides a method and a device for efficiently transmitting data and a storage medium, which are used for at least solving the problems of congestion, disorder and the like in the bus data transmission process caused by the simultaneous online of a plurality of pieces of equipment data in the related technology.
According to an embodiment of the present invention, there is provided a data transmission method including: acquiring state information of equipment connected with a data bus, wherein the state information is used for indicating the state of the equipment for transmitting data; determining data transmission of a plurality of devices connected to the data bus according to the status information.
According to another embodiment of the present invention, there is provided a data transmission apparatus, wherein the apparatus includes: the device comprises an acquisition module, a data bus and a control module, wherein the acquisition module is used for acquiring the state information of equipment connected with the data bus, and the state information is used for indicating the state of the equipment for transmitting data; and the transmission module is used for determining data transmission of a plurality of devices connected with the data bus according to the state information.
According to a further embodiment of the present invention, there is also provided a storage medium having a computer program stored therein, wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
According to yet another embodiment of the present invention, there is also provided an electronic device, including a memory in which a computer program is stored and a processor configured to execute the computer program to perform the steps in any of the above method embodiments.
According to the method and the device, the state information of the equipment connected with the data bus and used for indicating the equipment to transmit data is obtained, the data transmission of the equipment connected with the data bus is further determined according to the state information, namely the data transmission can be carried out according to the state information of the equipment used for indicating the data transmission state, the problems of congestion, disorder and the like in the bus data transmission process caused by the fact that the data of the equipment are simultaneously on line in the related technology are solved, and the stability of the data bus transmission is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a block diagram of a hardware configuration of a terminal of a method for efficient transmission of data according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for efficient transmission of data according to an embodiment of the present invention;
fig. 3 is a block diagram of a structure of a data transmission apparatus according to an embodiment of the present invention;
fig. 4 is a block diagram one of an alternative structure of a data transmission apparatus according to an embodiment of the present invention;
fig. 5 is a block diagram of an alternative structure of a data transmission apparatus according to an embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
The method provided by the first embodiment of the present application may be executed in a terminal, a computer terminal, or a similar computing device. Taking an example of the operation on a terminal, fig. 1 is a hardware structure block diagram of the terminal of the method for efficiently transmitting data according to the embodiment of the present invention. As shown in fig. 1, the terminal 10 may include one or more (only one shown in fig. 1) processors 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 104 for storing data, and optionally may also include a transmission device 106 for communication functions and an input-output device 108. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the terminal. For example, the terminal 10 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 may be used for storing computer programs, for example, software programs and modules of application software, such as computer programs corresponding to the efficient data transmission method in the embodiment of the present invention, and the processor 102 executes various functional applications and data processing by running the computer programs stored in the memory 104, so as to implement the above-mentioned method. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the terminal 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the terminal 10. In one example, the transmission device 106 includes a Network adapter (NIC) that can be connected to other Network devices through a base station to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used to communicate with the internet in a wireless manner.
In this embodiment, a method for efficiently transmitting data operating in the terminal is provided, and fig. 2 is a flowchart of a method for efficiently transmitting data according to an embodiment of the present invention, as shown in fig. 2, the flowchart includes the following steps:
step S202, acquiring state information of equipment connected with a data bus, wherein the state information is used for indicating the state of the equipment for transmitting data;
step S204, determining data transmission of a plurality of devices connected with the data bus according to the state information.
Through the steps S202 to S204, the state information of the device connected to the data bus for indicating the device to transmit data is obtained, and then the data transmission of the multiple devices connected to the data bus is determined according to the state information, that is, the data transmission can be performed according to the state information of the device for indicating the data transmission state, so that the problems of congestion and confusion in the bus data transmission process caused by the simultaneous online of the data of the multiple devices in the related art are solved, and the stability of the data bus transmission is improved.
In an optional implementation manner of this embodiment, the manner of acquiring the status of the device connected to the data bus for indicating the device to transmit data, which is referred to in step S202 of this application, may be implemented as follows:
step S202-11, acquiring priority information of the equipment, which is used for indicating the transmission data set according to the equipment type;
step S202-12, acquiring first identification information of the equipment, wherein the first identification information is used for indicating that the data transmission is forbidden or allowed according to the equipment type;
step S202-13, second identification information of the device for indicating prohibition or permission set according to the type of the data is acquired.
As can be seen from the foregoing steps S2021-11 to S202-13, different device types may be prioritized, and flag bits for allowing or prohibiting online are set for each device type and data type of the device, for example, there are 3 devices connected to the bus device in a specific application scenario of the present application: device a, device B, device C; the priority of the 3 devices is in turn from top to bottom: device C, device B, device a; the device B is a device configured to prohibit data transmission, and the other two devices are devices allowing data transmission, that is, the first identification information of the device C, the device B, and the device a is respectively: enable, disable, enable; in addition, if the transmission type of data in the present application includes 3 types: the data A, the data B and the data C are provided, wherein the data B is forbidden to be transmitted, namely the second mark information of the data B is forbidden, and the second identification information of the other two data is allowed.
In another alternative embodiment of the present application, the manner of determining data transmission of the plurality of devices connected to the data bus according to the status information, which is involved in step S204, may be implemented as follows:
step S204-11, detecting first identification information of the equipment;
step S204-12, under the condition that the type of the first identification information indicating equipment is data transmission permission, second identification information is detected;
and step S204-13, in the case that the second identification indicates that the data type of the device is data allowed to be transmitted, detecting priority information, and determining data transmission of a plurality of devices connected with the data bus according to the priority information.
And determining that the device is prohibited from transmitting data under the condition that the type of the first identification information indicating device is the data prohibited from being transmitted or the type of the second identification information indicating device is the data prohibited from being transmitted.
That is to say, in the present application, if it is detected that both the first identification information and the second identification information are allowed, data transmission of a plurality of devices connected to the data bus is determined according to the priority of the devices, and when the type of the first identification information indicates that the device is data transmission prohibited, or when the type of the second identification information indicates that the device is data transmission prohibited, it is determined that the device is data transmission prohibited; through the specific pointing of the state information in the application, the data on the data bus can be more effectively controlled, so that data congestion and instability are avoided.
In another alternative embodiment of the present application, the method of this embodiment may further include:
in step S206, after determining data transmission of a plurality of devices connected to the data bus according to the status information, the priority of the devices connected to the data bus is adjusted according to the total data amount of the device transmission data.
Wherein, the step S206 can be further realized by:
step S206-11, comparing the data quantity of the data transmitted by each of the plurality of devices connected with the data bus;
step S206-12, adjusting the priority of the plurality of devices according to the data volume, wherein the priority of the device with larger data volume is lower.
That is to say, in the present application, in addition to adjusting the data transmission of the data bus according to the status information of the device, the priority of the device may also be adjusted according to the data amount of the current device, or taking the above-mentioned device a, device B, and device C as an example, if the total data amount of the device a (level 1, priority due to level 2) is greater than that of the device B (level 2), the online sequence of the device a and the device B is changed, that is, the priority of the device a is 2, and the priority of the device B is 3, so as to change the transmission size of the data of the bus, further control the data transmission amount of the data bus, and ensure the stability of the data transmission.
The present application is exemplified below with reference to alternative embodiments thereof;
the optional embodiment provides a data transmission method, which can realize stable transmission of various data of various devices on a bus according to the current bus data volume, and can allow or prohibit the device to be on line according to the data volume, or allow or prohibit the device to be on line according to the data volume and the grade of a connection device, or allow or replace the device to be on line according to the bus data volume, or automatically adjust the communication baud rate according to the bus data volume, and adopt various configurable bus data transmission strategies to realize stable and efficient transmission of the bus data.
That is to say, according to the optional embodiment, a plurality of configurable bus transmission strategies CAN be adopted to realize the change of the data volume on the bus according to the requirement, the device CAN be allowed or prohibited to be on line according to the data volume, or the device CAN be allowed or prohibited to be on line according to the data volume and the grade of the connecting device, or the device CAN be allowed or replaced to be on line according to the bus data volume, or the communication baud rate CAN be automatically adjusted according to the bus data volume, so that various transmission problems of congestion, disorder, data loss and the like in the data transmission process of the bus (CAN \485\ UART and other bus communication) caused by the simultaneous on-line of a plurality of device data are solved, the data volume of the current bus is effectively managed, and the data transmission in the bus is ensured to be orderly, efficiently and stably transmitted.
In the following, the present alternative embodiment is exemplified by a CAN bus, but is not limited to the CAN bus, and is also applicable to other buses, such as 485 and UART bus communication.
In bus transmission, the transmission of various devices in a bus needs to be graded according to the requirement of the devices, different device types are graded according to the requirement, each device type and the data type of the device are provided with an on-line permission flag bit or an on-line prohibition flag bit, the data quantity on the bus needs to be detected in real time, the on-line permission flag bit or the on-line prohibition flag bit of each device data in the preparation on-line stage is detected, the grades of various devices and the priorities of the data types are configured by software, and each device needs to pass through a detection device during data transmission.
The detection device detects the data state of the bus in real time and accesses the bus according to the conditions of priority, zone bits and the like. When a plurality of devices are accessed on a bus, the devices are on-line according to the device grade and the bus data volume, namely the grade is arranged by 1, 2, 3 … and the like, the grade is the highest when the grade is 1, and the grade is lower when the number is larger; it should be noted that, the device priority may be configured according to the user requirement.
In this example, the data in the present application may be: control data, energy data, state data, equipment information data and the like, wherein the control data is priority 1; energy data priority 2; status data priority 3; the device information data priority 4, 1 represents the highest priority.
And detecting the size of the data volume on the bus in real time, and following a principle that the transmission of the maximum tolerable data volume of the bus is not exceeded, wherein the data transmitted by each device comprises a device type grade, a priority of the data type and each zone bit within the allowable range of the data volume of the bus. The detection device firstly judges the forbidden permission flag bit of the equipment type, when the forbidden permission flag bit position 1 (0 is forbidden) of the equipment and the forbidden permission flag bit position 1 (0 is forbidden) of the data type of the equipment, the priority of the data type of the equipment is transmitted from high to low according to the grade of the equipment type on the bus, and once the forbidden permission flag bit position 0 (namely forbidden) of the equipment is detected, the data transmission of the equipment is not carried out.
In the transmission process, the device level or the data type priority can be replaced and automatically configured according to the data volume, if the total data volume of the device 1 (level 1) is larger than that of the device 2 (level 2), the detection control device automatically changes the on-line sequence of the device 1 and the device 2, at the moment, the transmission size of the data of the bus is changed, and similarly, when the data acquisition requirement changes, the configuration can be carried out again, and the on-line sequence of the device is changed.
When the detection device detects that bus data suddenly increases at a certain moment and the communication baud rate cannot meet the data transmission, the detection device issues baud rate configuration information, and each device receives the configuration information and then realizes automatic adjustment of the communication baud rate, so that the self-adaption of the bus data transmission capacity is realized.
Therefore, by the optional implementation mode, various transmission problems of congestion, confusion, data loss and the like in the bus data transmission process caused by simultaneous online of a plurality of pieces of equipment data in the related technology are solved, and the equipment type and the data type of the data can be selected to be transmitted on the bus according to requirements; the communication baud rate can be automatically changed according to the data volume, the data volume on the bus is adjusted, the current data volume of the bus is effectively managed, and the data transmission in the bus is ensured to be orderly and efficiently transmitted.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Example 2
In this embodiment, a device for efficiently transmitting data is further provided, and the device is used to implement the foregoing embodiments and preferred embodiments, and the description of the device that has been already made is omitted. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 3 is a block diagram of a data transmission apparatus according to an embodiment of the present invention, as shown in fig. 3, the apparatus including: an obtaining module 32, configured to obtain status information of a device connected to a data bus, where the status information is used to indicate a status of the device for transmitting data; and a transmission module 34 for determining data transmission of the plurality of devices connected to the data bus according to the status information.
Optionally, the obtaining module 22 in this embodiment further includes: a first acquisition unit configured to acquire priority information of a device indicating transmission data set according to a device type; a second acquisition unit configured to acquire first identification information of the device indicating prohibition or permission of data transmission set according to a device type; a third acquisition unit configured to acquire second identification information of the device indicating prohibition or permission set according to a type of the data to be transmitted.
Optionally, the transmission module 24 in this embodiment may further include: a first detection unit for detecting first identification information of the device; a second detection unit configured to detect second identification information when the first identification information indicates that the type of the device is data transmission permission;
and the transmission unit is used for detecting the priority information and determining the data transmission of the devices connected with the data bus according to the priority information under the condition that the second identification indicates that the data type of the device is data allowed to be transmitted.
Fig. 4 is a block diagram of an alternative structure of a data transmission apparatus according to an embodiment of the present invention, as shown in fig. 4, the apparatus includes: and the prohibiting module 42 is configured to determine to prohibit the device from performing data transmission when the first identification information indicates that the type of the device is data transmission prohibition or when the second identification information indicates that the type of the device is data transmission prohibition.
Fig. 5 is a block diagram of an alternative structure of a data transmission apparatus according to an embodiment of the present invention, and as shown in fig. 5, the apparatus includes: and an adjusting module 52, configured to, after determining data transmission of the multiple devices connected to the data bus according to the status information, adjust the priority of the devices connected to the data bus according to the total data amount of the device transmission data.
Wherein, the adjusting module 52 further comprises: a comparison unit for comparing data amounts of respective transmission data of a plurality of devices connected to the data bus; and the adjusting unit is used for adjusting the priorities of the plurality of devices according to the data volume, wherein the priority of the device with larger data volume is lower.
It should be noted that, the above modules may be implemented by software or hardware, and for the latter, the following may be implemented, but not limited to: the modules are all positioned in the same processor; alternatively, the modules are respectively located in different processors in any combination.
Example 3
Embodiments of the present invention also provide a storage medium having a computer program stored therein, wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
Alternatively, in the present embodiment, the storage medium may be configured to store a computer program for executing the steps of:
s1, acquiring the state information of the device connected with the data bus, wherein the state information is used for indicating the state of the device for transmitting data;
s3, determining data transmission of the plurality of devices connected to the data bus based on the status information.
Optionally, in this embodiment, the storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Embodiments of the present invention also provide an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the above method embodiments.
Optionally, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
Optionally, in this embodiment, the processor may be configured to execute the following steps by a computer program:
s1, acquiring the state information of the device connected with the data bus, wherein the state information is used for indicating the state of the device for transmitting data;
s3, determining data transmission of the plurality of devices connected to the data bus based on the status information.
Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation manners, and this embodiment is not described herein again.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for transmitting data, comprising:
acquiring state information of equipment connected with a data bus, wherein the state information is used for indicating the state of the equipment for transmitting data;
determining data transmission of a plurality of devices connected to the data bus according to the status information.
2. The method of claim 1, wherein obtaining status information of a device connected to the data bus comprises:
acquiring priority information of the equipment, wherein the priority information is used for indicating transmission data set according to the type of the equipment;
acquiring first identification information of the equipment, wherein the first identification information is used for indicating prohibition or permission of data transmission set according to the equipment type;
second identification information of the device indicating prohibition or permission set according to the type of data to be transmitted is acquired.
3. The method of claim 2, wherein determining data transfer for a plurality of devices connected to the data bus based on the status information comprises:
detecting first identification information of the device;
detecting the second identification information under the condition that the first identification information indicates that the type of the equipment is allowed to transmit data;
and in the case that the second identification indicates that the data type of the device is data allowed to be transmitted, detecting the priority information, and determining data transmission of a plurality of devices connected with the data bus according to the priority information.
4. The method of claim 3,
and determining to prohibit the device from data transmission under the condition that the first identification information indicates that the type of the device is data transmission prohibition or the second identification indicates that the type of the device is data transmission prohibition.
5. The method according to any of claims 1 to 4, wherein after determining from the status information a data transfer of a plurality of devices connected to the data bus, the method further comprises:
and adjusting the priority of the equipment connected with the data bus according to the total data volume of the transmission data of the equipment.
6. The method of claim 5, wherein adjusting the priority of the devices connected to the data bus according to the total amount of data transmitted by the devices comprises:
comparing the data amount of each transmitted data of a plurality of devices connected with the data bus;
and adjusting the priorities of the plurality of devices according to the data volume, wherein the priority of the device with larger data volume is lower.
7. An apparatus for transmitting data, comprising:
the device comprises an acquisition module, a data bus and a control module, wherein the acquisition module is used for acquiring the state information of equipment connected with the data bus, and the state information is used for indicating the state of the equipment for transmitting data;
and the transmission module is used for determining data transmission of a plurality of devices connected with the data bus according to the state information.
8. The apparatus of claim 7, wherein the obtaining module comprises:
a first acquisition unit configured to acquire priority information of the device indicating transmission data set according to a device type;
a second acquisition unit configured to acquire first identification information of the device indicating prohibition or permission of data transmission set according to the device type;
a third acquisition unit configured to acquire second identification information of the device indicating prohibition or permission set according to a type of data to be transmitted.
9. The apparatus of claim 8, wherein the transmission module comprises:
a first detection unit configured to detect first identification information of the device;
a second detecting unit, configured to detect the second identification information when the first identification information indicates that the type of the device is data transmission permission;
and the transmission unit is used for detecting the priority information and determining the data transmission of a plurality of devices connected with the data bus according to the priority information under the condition that the second identification indicates that the data type of the device is data allowed to be transmitted.
10. A computer-readable storage medium, in which a computer program is stored, wherein the computer program is configured to carry out the method of any one of claims 1 to 6 when executed.
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| CN201911025932.0A CN110753001A (en) | 2019-10-25 | 2019-10-25 | Method and device for efficiently transmitting data and storage medium |
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| CN201911025932.0A CN110753001A (en) | 2019-10-25 | 2019-10-25 | Method and device for efficiently transmitting data and storage medium |
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| CN114281724A (en) * | 2021-12-10 | 2022-04-05 | 深圳市欧瑞博科技股份有限公司 | Data transmission method and device and electronic equipment |
| CN114281724B (en) * | 2021-12-10 | 2024-01-02 | 深圳市欧瑞博科技股份有限公司 | Data transmission method and device and electronic equipment |
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Application publication date: 20200204 |