CN108900501A - A kind of protocol contents read method, system, storage medium and terminal - Google Patents
A kind of protocol contents read method, system, storage medium and terminal Download PDFInfo
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- CN108900501A CN108900501A CN201810674129.9A CN201810674129A CN108900501A CN 108900501 A CN108900501 A CN 108900501A CN 201810674129 A CN201810674129 A CN 201810674129A CN 108900501 A CN108900501 A CN 108900501A
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- information
- communication protocol
- protocol
- data message
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- 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
- H04L69/03—Protocol definition or specification
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Abstract
The present invention provides a kind of protocol contents read method, and the protocol contents read method includes at least：Receive the data message that user sends；According to the data message, judge whether the information of target bits position is presupposed information；If so, determining the corresponding communication protocol in the target bits position；The communication protocol is sent according to preset format.In addition, the embodiment of the invention also provides a kind of protocol contents to read system, storage medium and terminal.Using the embodiment of the present invention, solves in the case where not knowing power inverter agreement, quickly understand protocol contents, achieve the purpose that using power inverter.
Description
Technical field
The present invention relates to the protocol contents of power device to read technical field, more particularly to a kind of protocol contents reading side
Method, system, storage medium and terminal.
Background technique
DC-DC/AC-DC power converter uses CAN bus to realize and the communications such as BMS, VCU, realization power mostly
The instructions such as transducer parameters read and receive switching on and shutting down, Current Voltage is adjusted.User is using and is testing power converter
, it need to be instructed with receiving data according to communications protocol and issuing, no communications protocol is not available power converter
In existing product, if user needs to operate this power inverter, by memory or agreement rule need to be looked at
Lattice book content is realized.But protocol contents mostly remember by very abstract hardly possible, client is perhaps no at the scene to carry communications protocol, this
Sample may just not be available power inverter.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of protocol contents read method,
System, storage medium and terminal lead to nothing without carrying the constant acquisition communications protocol of communications protocol in the prior art for solving
Method uses the problem of power inverter.
In order to achieve the above objects and other related objects, the present invention provides a kind of protocol contents read method, the agreement
Content read method includes at least：Receive the data message that user sends；According to the data message, target bits position is judged
Whether information is presupposed information；If so, determining the corresponding communication protocol in the target bits position；By the communication protocol according to
Preset format is sent.
In the preferred embodiment of the present invention, described the step of being sent the communication protocol according to preset format,
Including：Target information relevant to the communication protocol is sent, and receives feedback information corresponding with the target information,
In, the target information is the information for determining whether to send the communication protocol；Determine the feedback information for described in reception
In the case where communication protocol, the communication protocol is sent according to preset format.
It is described to send relevant to communication protocol target information in the preferred embodiment of the present invention, and receive and
The corresponding feedback information of the target information；It, will be described in the case where determining the feedback information to receive the communication protocol
The step of communication protocol is sent according to preset format, including：Send target information relevant to the communication protocol；Judgement
Feedback information corresponding with the target information whether is received in the first preset time；If so, judging the feedback letter
Whether breath is to receive the communication protocol；If the feedback information is that described will lead in the case where receiving the communication protocol
Letter agreement is sent according to preset format.
In the preferred embodiment of the present invention, the method also includes：According to the data message, the first bit is judged
Information whether be default boot-strap information mark；If so, executing power-on operation.
In the preferred embodiment of the present invention, the method also includes：According to the data message, the second bit is judged
Information whether be default shutdown information mark；If so, executing power-off operation.
In the preferred embodiment of the present invention, the method also includes：According to the data message, third bit is judged
Information whether be that predeterminated voltage adjusts corresponding Information sign；If so, executing voltage adjustment operations.
In the preferred embodiment of the present invention, the method also includes：According to the data message, the 4th bit is judged
Information whether be that predetermined current adjusts corresponding Information sign；If so, executing current regulation operation.
In addition, the invention also discloses a kind of protocol contents to read system, the system comprises：It is equipment to be read, upper
Machine and CAN signal switch bus；The equipment to be read passes through the CAN signal switch bus and the host computer communication link
It connects, the equipment to be read is power inverter.
And a kind of readable storage medium storing program for executing is disclosed, it is stored thereon with computer program, when which is executed by processor
The step of realizing described in any item protocol contents read methods.
The invention also discloses a kind of terminal, including processor storage, memory is stored with program instruction, processor fortune
The step in described in any item protocol contents read methods is realized in line program instruction.
As described above, a kind of protocol contents read method, system, storage medium and terminal of the invention, have with following
Beneficial effect：It solves in the case where not knowing power inverter agreement, quickly understands protocol contents, reach using power conversion
The purpose of device.
Detailed description of the invention
Fig. 1 is shown as the flow diagram of protocol contents read method of the invention.
Fig. 2 is shown as the structural schematic diagram that the protocol contents in the present invention read system.
Component label instructions
S101~S104 step
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Fig. 1 is please referred to Fig. 2.It should be noted that diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of invention, only shown in schema then with related component in the present invention rather than package count when according to actual implementation
Mesh, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its
Assembly layout kenel may also be increasingly complex.
It is a kind of protocol contents read method provided in an embodiment of the present invention, which is characterized in that the agreement referring to Fig. 1
Content read method includes at least：
S101 receives the data message that user sends.
It should be noted that method provided by the embodiment of the present invention is applied to the device communicated using communication protocol
The devices such as the powers converter such as part, such as power inverter.As long as can be closed in the scheme of the embodiment of the present invention
The modification of reason achievees the purpose that reading protocol contents of the invention in turn.
It should be noted that since power inverter has the efficiency of raising system, the function of the power density of aggrandizement apparatus
Energy.In modern society, (DC/DC converter) is widely used in long-range and data communication, computer, office automation and sets
The fields such as standby, industrial instruments, military affairs, space flight are related to all trades and professions of national economy, have a wide range of applications.
In recent years growth rate of (DC/DC) power inverter in low power ranges increases substantially, wherein 6W~25WDC/
The growth rate highest of DC converter, this is because they are largely used to DC measurement and test equipment, calculator display organization, meter
Calculation machine and military communication system.Due to the high speed of microprocessor, DC/DC converter is from low-power to the development of middle power direction
Inevitable trend, so the growth rate of the DC/DC converter of 251W~750W is also that faster, this is mainly it for service
Medical treatment and experimental facilities, industrial control equipment, telecommunication device, multichannel communication multiple telecommunication and sending device, this also shows it
In the broad prospect of application of long-range and digital communication field.
It is specifically used, such as：1. direct-current switch power supply, the core of power conversion is exactly DC/DC power inverter；②
DC/DC power inverter be also in modern fuels battery car dynamical system a pith, major function be nonadjustable
DC power supply becomes adjustable DC power supply.2. whether principle analysis DC/DC power inverter is had electrically by input with outlet chamber
Two class of direct current variator that isolation can be divided into no electrical isolation and have electric appliance to be isolated.There is buck by operating circuit differentiation
(BUCK), boost type (BOOST), step-down/up type (BUCK/BOOST), Cook (CUK), Rui Tai (ZETA) fill in pik (SEPIC)
Deng six kinds.
It is understood that in the case that the application main equipment of the embodiment of the present invention is power inverter, power conversion
Device receives data message, and specific data message can be the data mode that host computer is sent.Power inverter receives
Data message later can parse data message.
S102 judges whether the information of target bits position is presupposed information according to the data message, if so, executing
S103。
It is understood that obtaining the parsing result of data message when power inverter carries out data message parsing.It can be with
Understand, illustratively, data message form A AN ID1 received by power inverter is as shown in table 1 below, data message
It is the information with multiple bytes, the data of each byte correspond to specific information.
Table 1
It is understood that the type of data message can be determined by Byte1, indicate outside the reception of this agreement
Used in ID or power inverter to outside issue.CAN ID1 as shown in Table 1 can indicate fixed transmission data
Starting only can send a frame, for example, indicating the appearance of fixed transmission data when for CAN ID2, can be multiframe data, when for
The CAN ID3 fixed end for sending data is indicated when CAN ID2, can only send a frame.Illustratively, power inverter is resolved to
The information of target bits position Byte2 is 1, and according to itself preset rule it is known that indicating should when Byte2 is 1
The information of Byte2 is identical as presupposed information, is not identical otherwise.
S103 determines the corresponding communication protocol in the target bits position.
It is understood that when the information for determining target bits position Byte2 in step S102 is identical as presupposed information, function
Rate converter determines the corresponding communication protocol in target bits position.
Illustratively, the corresponding communication protocol of Byte2 is CAN communication agreement, then power conversion goes to have determined that this
Corresponding communication protocol is CAN communication agreement.
Further it will be understood that can be used different when power inverter supports a communication protocol incessantly
The reading of Byte progress communication protocol.
For example, the corresponding communication protocol of Byte3 is MODBUS agreement, then when the corresponding information of Byte3 is presupposed information 1
When, then the communication protocol that power inverter determines is MODBUS agreement.Specific implementation leads to above-mentioned CAN communication agreement,
This will not be repeated here for the embodiment of the present invention.
S104 sends the communication protocol according to preset format.
It goes to be determined that communication protocol can be sent later according to preset data it is understood that working as power conversion
Form or data transmission format send identified communication protocol.
For example, power inverter is direct by determining CAN communication agreement when host computer is communicated with power inverter
It is sent to host computer.
User can carry out the reading of communication protocol by host computer, thus in the case where user does not know communication protocol
It is conveniently transferred and is interpreted.To quickly understand protocol contents, achieve the purpose that using power inverter.
It should be noted that the step of communication protocol is sent according to preset format, including：It sends and leads to described
Believe protocol-dependent target information, and receive feedback information corresponding with the target information, wherein the target information is true
The fixed information that whether send the communication protocol；It, will in the case where determining the feedback information to receive the communication protocol
The communication protocol is sent according to preset format.
It is understood that power inverter sends information, asks when the information for determining target bits position is presupposed information
Host computer determines whether to need to carry out communication protocol reception, prevents information from sending mistake.When power inverter receive it is upper
The transmission of communication protocol can be carried out after the determination information that machine is sent.
Operating error can be further reduced using the embodiment of the present invention, and in host computer, work as power inverter
When the request sended over determines information, it can be determined manually by personnel on host computer, so that feedback information be sent
To power inverter, prevent that there are errors.
In addition, in a kind of implementation of the invention, it is described to send target information relevant to the communication protocol, and connect
Receive feedback information corresponding with the target information；It, will in the case where determining the feedback information to receive the communication protocol
The step of communication protocol is sent according to preset format, including：Send target information relevant to the communication protocol；
Judge feedback information corresponding with the target information whether is received in the first preset time；If so, judging described anti-
Whether feedforward information is to receive the communication protocol；If the feedback information is in the case where receiving the communication protocol, by institute
Communication protocol is stated to be sent according to preset format.
Power inverter is sent and is determined in the first preset time after determining information to the time for receiving feedback information,
This time operation can be considered as beyond first preset time to cancel.Host computer is being waited always so as not to influence power inverter
Accordingly, it influences power inverter and executes other operations.
In another implementation of the invention, the method also includes：According to the data message, the first bit is judged
Whether the information of position is default boot-strap information mark；If so, executing power-on operation.
It further include a kind of implementation, the method also includes：According to the data message, the letter of the second bit is judged
Whether breath is default shutdown information mark；If so, executing power-off operation.
And in another implementation, the method also includes：According to the data message, third bit is judged
Whether information is that predeterminated voltage adjusts corresponding Information sign；If so, executing voltage adjustment operations.
In another implementation, the method also includes：According to the data message, the information of the 4th bit is judged
It whether is that predetermined current adjusts corresponding Information sign；If so, executing current regulation operation.
As shown in table 2, data message is CAN ID2, and Byte2 is the first bit, Byte3 is the second bit, Byte4
It is the 4th bit for third bit, Byte5.
It is assumed that default boot-strap information mark, default shutdown information mark, predetermined current adjust corresponding Information sign, pre-
If the corresponding Information sign of current regulation is 1, then it is corresponding to execute the bit when the corresponding information of bit is 1
It adjusts, the specific data that adjust can be obtained by other data of data message, and the embodiment of the present invention is not done superfluous herein
It states.
Illustratively, when the first bit Byte2 is 1, power inverter executes power-on operation, when the second bit
When Byte3 is 1, power inverter executes power-off operation, when third bit Byte3 is 1, and power inverter executes voltage tune
Section operation, when the 4th bit Byte2 is 1, power inverter executes the operation of voltage adjustment operations current regulation.
In addition, Byte2, Byte3, Byte4, Byte5 may be embodied in the same data message, also may be embodied in not
In same data message.
Table 2
In addition, the invention also discloses a kind of protocol contents as shown in Figure 2 to read system, which is characterized in that the system
System includes：Equipment, host computer and CAN signal switch bus to be read；The equipment to be read is converted total by the CAN signal
Line and the host computer communicate to connect, and the equipment to be read is power inverter.Implement what morning protocol contents were read
Each step.
Power inverter receives the message of this specific ID of this host computer sending, byte-by-byte to judge that whether correct data are (false
It is the preset password of power inverter that fixed each byte, which is 0x55, receives this password and represents host computer and is asking for communication association
View), after power inverter judges that password is correct, issues a frame message and ask whether that need to issue communications protocol (misses in order to prevent
This password is triggered, increase one-time authentication mechanism), host computer replys a frame message, and it is logical to confirm that needs issue to power inverter. more
Agreement is interrogated, power inverter issues power inverter and extraneous communications protocol according to certain data format.
In addition, it is stored thereon with computer program the embodiment of the invention also discloses a kind of readable storage medium storing program for executing, the program
The step of described in any item protocol contents read methods are realized when being executed by processor.
And a kind of terminal, including processor storage are disclosed, memory is stored with program instruction, processor operation
Program instruction realizes the step in described in any item protocol contents read methods.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of protocol contents read method, which is characterized in that the protocol contents read method includes at least：
Receive the data message that user sends；
According to the data message, judge whether the information of target bits position is presupposed information；
If so, determining the corresponding communication protocol in the target bits position；
The communication protocol is sent according to preset format.
2. protocol contents read method according to claim 1, which is characterized in that it is described by the communication protocol according to pre-
If the step of format is sent, including：
Target information relevant to the communication protocol is sent, and receives feedback information corresponding with the target information, wherein
The target information is the information for determining whether to send the communication protocol；
In the case where determining the feedback information to receive the communication protocol, the communication protocol is carried out according to preset format
It sends.
3. protocol contents read method according to claim 1, which is characterized in that the transmission and the communication protocol phase
The target information of pass, and receive feedback information corresponding with the target information；It is described logical to receive to determine the feedback information
In the case where believing agreement, the step of the communication protocol is sent according to preset format, including：
Send target information relevant to the communication protocol；
Judge feedback information corresponding with the target information whether is received in the first preset time；
If so, judging whether the feedback information is to receive the communication protocol；
If the feedback information is that in the case where receiving the communication protocol, the communication protocol is carried out according to preset format
It sends.
4. protocol contents read method according to claim 1-3, which is characterized in that the method also includes：
According to the data message, judge whether the information of the first bit is default boot-strap information mark；
If so, executing power-on operation.
5. protocol contents read method according to claim 1-3, which is characterized in that the method also includes：
According to the data message, judge whether the information of the second bit is default shutdown information mark；
If so, executing power-off operation.
6. protocol contents read method according to claim 1-3, which is characterized in that the method also includes：
According to the data message, judge whether the information of third bit is that predeterminated voltage adjusts corresponding Information sign；
If so, executing voltage adjustment operations.
7. protocol contents read method according to claim 1-3, which is characterized in that the method also includes：
According to the data message, judge whether the information of the 4th bit is that predetermined current adjusts corresponding Information sign；
If so, executing current regulation operation.
8. one kind reads system based on the described in any item protocol contents of claim 1-7, which is characterized in that the system packet
It includes：Equipment, host computer and CAN signal switch bus to be read；
The equipment to be read is communicated to connect by the CAN signal switch bus and the host computer, the equipment to be read
For power inverter.
9. a kind of readable storage medium storing program for executing, is stored thereon with computer program, which is characterized in that real when the program is executed by processor
The step of existing claim 1 to 7 described in any item protocol contents read methods.
10. a kind of terminal, including processor storage, memory are stored with program instruction, it is characterised in that：Processor runs journey
Sequence instruction is realized such as the step in 1 to 7 described in any item protocol contents read methods.
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