CN108638764A - Tire pressure equipment exchange method and car-mounted terminal - Google Patents
Tire pressure equipment exchange method and car-mounted terminal Download PDFInfo
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- CN108638764A CN108638764A CN201810316739.1A CN201810316739A CN108638764A CN 108638764 A CN108638764 A CN 108638764A CN 201810316739 A CN201810316739 A CN 201810316739A CN 108638764 A CN108638764 A CN 108638764A
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- Prior art keywords
- tire pressure
- pressure equipment
- car
- mounted terminal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0481—System diagnostic, e.g. monitoring battery voltage, detecting hardware detachments or identifying wireless transmission failures
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- 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
- H04L69/26—Special purpose or proprietary protocols or architectures
Abstract
Present invention is disclosed a kind of tire pressure equipment exchange method and car-mounted terminal, tire pressure equipment exchange method includes the following steps：Car-mounted terminal is sent according to protocol rule with functional number sense command to tire pressure equipment；According to the return information of functional number of the band of tire pressure equipment feedback, the feedback result information of function corresponding with function number is obtained, feedback result information includes warning message in the corresponding dysfunction of function number.Tire pressure equipment exchange method and car-mounted terminal of the present invention, the sense command that car-mounted terminal is sent to tire pressure equipment in tire pressure equipment exchange method includes function number, without waiting for reply mechanism, control command can be continuously transmitted, and without worrying that return information can not be matched, car-mounted terminal obtains the working efficiency higher of the information of tire pressure equipment.
Description
Technical field
The present invention relates to tire pressure monitoring field, a kind of tire pressure equipment exchange method and car-mounted terminal are especially related to.
Background technology
According to the communication protocol of existing car-mounted terminal and tire pressure equipment connected to it, existing car-mounted terminal connects with it
During the tire pressure equipment connect interacts, when car-mounted terminal sends sense command to tire pressure equipment, in order to avoid feedback
Information because that can not be matched, can not be identified, all can be equipped with wait for reply mechanism, i.e., not receive a life in car-mounted terminal
When the feedback information of order, car-mounted terminal will not send next command, in this way when the feedback of a certain item order occurs abnormal, meeting
Entire tire pressure apparatus information acquiring is caused to be obstructed, leading to car-mounted terminal working efficiency, there are risks, and working efficiency is low.
Invention content
The main object of the present invention is to provide one kind can once send a plurality of sense command, withouts waiting for mechanism, makes
The higher tire pressure equipment exchange method of working efficiency and car-mounted terminal of tire pressure device data detection.
The present invention proposes a kind of tire pressure equipment exchange method, includes the following steps：
Car-mounted terminal is sent according to protocol rule with functional number sense command to tire pressure equipment；
According to the return information of functional number of the band of tire pressure equipment feedback, the feedback knot of function corresponding with function number is obtained
Fruit information, feedback result information carry warning message in the corresponding dysfunction of function number.
Further, include before the step of car-mounted terminal is sent according to protocol rule with functional number sense command：
Send the tire pressure equipment that order of shaking hands extremely is connected with car-mounted terminal；
Judge whether tire pressure equipment follows same interface protocol according to the information of tire pressure device replied；
If so, generating with functional number sense command.
Further, include before the step of car-mounted terminal is sent according to protocol rule with functional number sense command：
Transmission gets parms order to tire pressure equipment；
Receive and show the parameter information of tire pressure equipment feedback；
It is loaded into modification parameter according to parameter information；
Generate the setting command for carrying modification parameter；
Setting command is sent to tire pressure equipment；
Modification result is determined according to the feedback information of tire pressure equipment.
Further, according to the return information of functional number of the band of tire pressure equipment feedback, work(corresponding with function number is obtained
Can feedback result information, feedback result information includes the steps that wrapping after warning message in the corresponding dysfunction of function number
It includes：
Judge in feedback result whether to include warning message；
It is acted if so, making corresponding prompting according to preset rules.
Further, prompting action includes splashette, alarm vibrations and/or auditory tone cues.
The present invention also proposes a kind of car-mounted terminal, including sending module and data obtaining module；Sending module be used for according to
Protocol rule is sent with functional number sense command to tire pressure equipment；What data obtaining module was used to be fed back according to tire pressure equipment
With functional number return information, the feedback result information of function corresponding with function number is obtained, feedback result information is in function
Warning message is carried when number corresponding dysfunction.
Further, car-mounted terminal further includes matching sending module and matching determination module；Matching sending module is for sending out
The tire pressure equipment for sending order of shaking hands extremely to be connected with car-mounted terminal；Matching determination module according to the information of tire pressure device replied for sentencing
Whether disconnected tire pressure equipment follows same interface protocol；If then generating the sense command with functional number.
Further, car-mounted terminal further includes parameter acquisition module, parameter display module, modification parameter module, modification hair
Send module, order generation module and modification judgment module；Parameter acquisition module is for sending the order that gets parms to tire pressure equipment；
Parameter display module is used to receive and show the parameter information of tire pressure equipment feedback；Parameter module is changed to be used for according to parameter information
It is loaded into modification parameter；Order generation module is used to generate the setting command for carrying modification parameter；Sending module is changed to be used for band
There is the setting command of modification parameter to be sent to tire pressure equipment；Judgment module is changed to be used to be determined according to the feedback information of tire pressure equipment
Change result.
Further, car-mounted terminal further includes warning judgment module and warning reminding module；Warning judgment module is for sentencing
Whether include warning message in disconnected feedback result；Warning reminding module is used for when judging to have warning message, according to preset rules
Make corresponding prompting action.
Further, car-mounted terminal makes tire pressure equipment access by USB or UART.
Tire pressure equipment exchange method and car-mounted terminal of the present invention, car-mounted terminal is sent to tire pressure in tire pressure equipment exchange method
The sense command of equipment includes function number, withouts waiting for reply mechanism, can continuously transmit control command, and without worrying back
Complex information can not be matched, and car-mounted terminal obtains the working efficiency higher of the information of tire pressure equipment.
Description of the drawings
Step structural schematic diagram in Fig. 1 one embodiments of tire pressure equipment exchange method of the present invention；
Step structural schematic diagram in Fig. 2 another embodiments of tire pressure equipment exchange method of the present invention；
Step structural schematic diagram in Fig. 3 tire pressure equipment exchange method 3rd embodiments of the present invention；
Step structural schematic diagram in Fig. 4 tire pressure equipment exchange method fourth embodiments of the present invention；
The structural schematic diagram of Fig. 5 one embodiments of car-mounted terminal of the present invention；
The structural schematic diagram of another embodiment of Fig. 6 car-mounted terminals of the present invention；
The structural schematic diagram of Fig. 7 car-mounted terminal 3rd embodiments of the present invention；
The structural schematic diagram of Fig. 8 car-mounted terminal fourth embodiments of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " " above-mentioned " and "the" may also comprise plural form.It is to be further understood that making in the specification of the present invention
Wording " comprising " refers to that there are the feature, integer, step, operation, element, unit, module and/or components, but simultaneously
Do not preclude the presence or addition of other one or more features, integer, step, operation, element, unit, module, component and/or it
Group.It should be understood that when we say that an element is " connected " or " coupled " to another element, it can be directly connected to or couple
To other elements, or there may also be intermediary elements.In addition, " connection " used herein or " coupling " may include wirelessly connecting
It connects or wirelessly couples.Wording "and/or" used herein includes the whole or any of one or more associated list items
Unit and all combination.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless by specific definitions as here, the meaning of idealization or too formal otherwise will not be used
To explain.
Referring to Fig.1, one embodiment of tire pressure equipment exchange method of the present invention, includes the following steps：
S10, car-mounted terminal are sent according to protocol rule with functional number sense command to tire pressure equipment；
The return information of S20, functional number of the band fed back according to tire pressure equipment obtain the anti-of function corresponding with function number
Result information is presented, feedback result information carries warning message in the corresponding dysfunction of function number.
Car-mounted terminal and tire pressure equipment follow the same interface protocol, and car-mounted terminal may also mean that vehicle device.
In above-mentioned steps S10, agreement is as shown in table 1, the data content of sense command include successively Head Code,
DataType1, dataType2, length, Data0, Data1, Datan and Checksum；Wherein：Head Code are banner word
Section, perseverance are 0xAA；DataType1 is called address, is the address of communication receiver；DataType2 is calling address, is communication
The address of sender；Length is length byte, is the length of this frame data, including frame head, data segment and verification；Data0 is
Function number is to represent the function of defining this frame data；Data1 is subfunction number, is additional function number, and when no subfunction is
0x00；Datan is data byte, different according to different function number, subfunction difference；Checksum is check byte, frame
Summation (head code+dataType1+dataType2+the length+data0+data1+ of head and all bytes of data segment
Data (n)-data (n-1)) ＆0xff, can the determination function to be detected by function number.
Table 1
In above-mentioned steps S20, agreement is as shown in table 2, the data content of return information include successively Head Code,
DataType1, dataType2, length, Data0, Data1, Datan and Checksum；Wherein：Head Code are banner word
Section, perseverance are 0xAA；DataType1 is called address, is the address of communication receiver, and perseverance is 0XA1；DataType2 is for caller
Location is the address of sender of communications, and perseverance is 0XB1；Length is length byte, is the length of this frame data, including frame head, number
According to section and verification；Data0 is function number, is to represent the function of defining this frame data, Normal Feedback 0x11 is abnormal to feed back 0xFF；
Data1 is subfunction number, is additional function number, and when no subfunction is 0x00, abnormal subfunction number depending on setting (
This is not described)；Datan is data byte, different according to different function number, subfunction difference；Checksum is verification
Summation (the head code+dataType1+dataType2+length+data0+ of byte, frame head and all bytes of data segment
data1+data(n)-data(n-1))& 0xff；Can directly be determined by function number be which function feedback result.
Table 2
Such as：Sense command is AA B1 A1 07 71 00 74, wherein 07 is the length of this frame data, 71 be function
Number, 00 indicates no subfunction.
And return information is 11 71 00 04 01 20 80 1D of AA A1 B1 0C, wherein 11 expression Normal Feedbacks, 71
Corresponding with the 71 of sense command and 00 with 00,04 01 20 80 respectively represent the tire pressure condition of four tires.
The sense command that car-mounted terminal is sent to tire pressure equipment in tire pressure equipment exchange method includes function number, each to detect
Order is with functional number, and return information is with function number, therefore each sense command has corresponding return information, no
It needs to need as existing just to send out next sense command after waiting for a sense command to have specific reply, it can be with
Control command is continuously transmitted, reply mechanism is withouted waiting for, and without worrying that return information can not be matched, car-mounted terminal obtains
The working efficiency higher of the information of tire pressure equipment, and car-mounted terminal and tire pressure equipment follow the same interface protocol, as long as
The tire pressure equipment with the interface protocol is followed, even if the tire pressure equipment brand and model of different kinds of tyre is different on a vehicle, not shadows
Sound is used and is replaced.
Include before the step of reference Fig. 2, car-mounted terminal is sent according to protocol rule with functional number sense command：
S1a, the tire pressure equipment that order of shaking hands extremely is connected with car-mounted terminal is sent；
S1b, judge whether tire pressure equipment follows same interface protocol according to the information of tire pressure device replied；
S1c, if so, generate with functional number sense command.
In above-mentioned steps S1a, order of shaking hands is sent according to protocol format, as shown in table 1, the data content for order of shaking hands
Include Head Code, dataType1, dataType2, length, Data0, Data1, Datan and Checksum successively；Its
In：Head Code are start byte, and perseverance is 0xAA；DataType1 is called address, is the address of communication receiver；
DataType2 is calling address, is the address of sender of communications；Length is length byte, is the length of this frame data, including
Frame head, data segment and verification；Data0 is function number, is to represent the function of defining this frame data；Data1 is subfunction number, is attached
The function number of adding is 0x00 when no subfunction；Datan is data byte, according to different function number, subfunction difference without
Together；Checksum is check byte, summation (the head code+dataType1+ of frame head and all bytes of data segment
DataType2+length+data0+data1+data (n)-data (n-1)) ＆ 0xff, by function number can determination to examine
The function of survey.
In above-mentioned steps S1b, agreement is as shown in table 2, and the data content of the information of tire pressure device replied includes successively
Head Code, dataType1, dataType2, length, Data0, Data1, Datan and Checksum；Wherein：Head
Code is start byte, and perseverance is 0xAA；DataType1 is called address, is the address of communication receiver, and perseverance is 0XA1；
DataType2 is calling address, is the address of sender of communications, and perseverance is 0XB1；Length is length byte, is this frame data
Length, including frame head, data segment and verification；Data0 is function number, is to represent the function of defining this frame data, Normal Feedback
0x11 is abnormal to feed back 0xFF；Data1 is subfunction number, is additional function number, and when no subfunction is 0x00, abnormal sub- work(
Energy number (is not described) herein depending on setting；Datan is data byte, according to different function number, subfunction difference
It is different；Checksum is check byte, summation (the head code+dataType1+ of frame head and all bytes of data segment
dataType2+length+data0 +data1+data(n)-data(n-1))&0xff；It can directly be determined by function number
It is the feedback result of which function, after judgement, if tire pressure equipment follows same interface protocol with car-mounted terminal, both may be used
Further to obtain the information of tire pressure equipment and the information etc. of tire pressure equipment detection by the interaction of information, if it is determined that tire pressure is set
Standby is not to follow same interface protocol with car-mounted terminal, then can make prompting in car-mounted terminal.
In above-mentioned steps S1c, if it is determined that tire pressure equipment is to follow same interface protocol with car-mounted terminal, vehicle represent
Mounted terminal and tire pressure equipment can interact, then can generate the sense command with functional number.
For example, order of shaking hands is AA B1 A1 07 11 00 14, the information of tire pressure device replied is AA A1 B1 07
11 11 14, wherein 07 11 be function number, later 11 indicate can Normal Feedback, tire pressure equipment and car-mounted terminal follow together
One interface protocol.
In above-mentioned steps S1c, then the sense command with functional number is generated.
In some embodiments, above-mentioned steps S1a-S1c is used for for being used for the first time after tire pressure equipment is substituted
Determine whether new tire pressure equipment follows same interface protocol；In further embodiments, above-mentioned steps S1a-S1c is for each
It is above-mentioned have passed through for determining whether new tire pressure equipment follows same interface protocol when using tire pressure equipment detection data
After step S1a-S1c, tire pressure equipment detection data is utilized.
Before the step of reference Fig. 3, car-mounted terminal is sent according to protocol rule with functional number sense command, including：
S1d, transmission get parms order to tire pressure equipment.
S1e, reception and the parameter information for showing tire pressure equipment feedback.
S1f, modification parameter is loaded into according to parameter information.
S1g, the setting command for carrying modification parameter is generated.
S1h, the setting command with modification parameter is sent to tire pressure equipment.
S1i, modification result is determined according to the feedback information of tire pressure equipment.
Above-mentioned steps are used for it is believed that parameter is improper, the case where actively changing parameter.
In above-mentioned steps S1d, the order that gets parms is also the rule schemata according to above-mentioned interface protocol.
In above-mentioned steps S1e, the parameter information of tire pressure equipment feedback is shown by display screen.
In above-mentioned steps S1f, modification parameter is written by manual operation, or is inputted and obtained by software, and modification parameter can
To input new gain of parameter in original parameter position, modification parameter can be one, can also be multinomial.
In above-mentioned steps S1g, setting command is generated according to modification parameter and its corresponding function number.
In above-mentioned steps S1h, the setting command with modification parameter is also the rule schemata according to above-mentioned interface protocol.
In above-mentioned steps S1i, the feedback information of tire pressure equipment is also according to the rule schemata of above-mentioned interface protocol, when repairing
Feedback information can all carry corresponding information when changing successfully or not successfully, whether to judge successfully modified, according to agreement when success
When feedback information include 11 indicating successfully.
Above-mentioned steps can be used for needing changing temperature, atmospherically lower limit parameter, and after successfully modified, tire pressure equipment can be with
According to the conduct measurement standard of parameter after modification.
With reference to Fig. 4, include after step S20：
S2a, judge in feedback result whether to include warning message；
S2b, it is acted if so, making corresponding prompting according to preset rules.
In above-mentioned steps S2a, if having detected that warning message indicates the corresponding dysfunction of function number.
In above-mentioned steps S2b, if having detected warning message in feedback result, made accordingly according to preset rules
Prompting acts, and prompting action therein can be one or more in sound prompting, vibration reminding, light variation prompting.
In some embodiments, prompting action includes splashette, alarm vibrations and/or auditory tone cues.
In some embodiments, car-mounted terminal makes tire pressure equipment access by USB or UART.
UART refers to universal asynchronous receiving-transmitting transmitter, and full name is Universal Asynchronous Receiver/
Transmitter is a kind of asynchronous receiving-transmitting transmitter, is a part for computer hardware.The data that it will be transmitted serially is being led to
It is converted between letter and parallel communications.As the chip for parallel input signal being changed into serial output signal, UART usually quilts
It is integrated in the connection of other communication interfaces.Specific object display is independent modularization chip, or as being integrated in microprocessor
Peripheral equipment in device.Usually RS-232C specifications are converted with the standard signal amplitude of the MAX232 of similar Maxim etc
Chip is arranged in pairs or groups, the interface as connection external equipment.The sequence signal translation circuit of the additional method of synchronization on UART
Product is referred to as USART (Universal Synchronous Asynchronous Receiver Transmitter)
With reference to Fig. 5, the present invention also proposes a kind of car-mounted terminal, including sending module 10 and data obtaining module 20；It sends
Module 10 is used to send with functional number sense command to tire pressure equipment according to protocol rule；Data obtaining module 20 is used for root
According to the return information of functional number of the band of tire pressure equipment feedback, the feedback result information of function corresponding with function number is obtained, instead
Feedback result information carries warning message in the corresponding dysfunction of function number.
Car-mounted terminal and tire pressure equipment follow the same interface protocol, and car-mounted terminal may also mean that vehicle device.
In 10 course of work of sending module, agreement is as shown in table 1, and the data content of sense command includes Head successively
Code, dataType1, dataType2, length, Data0, Data1, Datan and Checksum；Wherein：Head Code are
Start byte, perseverance are 0xAA；DataType1 is called address, is the address of communication receiver；DataType2 is calling address,
It is the address of sender of communications；Length is length byte, is the length of this frame data, including frame head, data segment and verification；
Data0 is function number, is to represent the function of defining this frame data；Data1 is subfunction number, is additional function number, s.m.p work(
It is 0x00 when energy；Datan is data byte, different according to different function number, subfunction difference；Checksum is school
Test byte, summation (the head code+dataType1+ dataType2+length+data0 of frame head and all bytes of data segment
+ data1+data (n)-data (n-1)) ＆0xff, can the determination function to be detected by function number.
In 20 course of work of data obtaining module, agreement is as shown in table 2, and the data content of return information includes successively
Head Code, dataType1, dataType2, length, Data0, Data1, Datan and Checksum；Wherein：Head
Code is start byte, and perseverance is 0xAA；DataType1 is called address, is the address of communication receiver, and perseverance is 0XA1；
DataType2 is calling address, is the address of sender of communications, and perseverance is 0XB1；Length is length byte, is this frame data
Length, including frame head, data segment and verification；Data0 is function number, is to represent the function of defining this frame data, Normal Feedback
0x11 is abnormal to feed back 0xFF；Data1 is subfunction number, is additional function number, and when no subfunction is 0x00, abnormal sub- work(
Energy number (is not described) herein depending on setting；Datan is data byte, according to different function number, subfunction difference
It is different；Checksum is check byte, summation (the head code+dataType1+ of frame head and all bytes of data segment
dataType2+length+data0 +data1+data(n)-data(n-1))&0xff；It can directly be determined by function number
It is the feedback result of which function.
Such as：Sense command is AA B1 A1 07 71 00 74, wherein 07 is the length of this frame data, 71 be function
Number, 00 indicates no subfunction.
And return information is 11 71 00 04 01 20 80 1D of AA A1 B1 0C, wherein 11 expression Normal Feedbacks, 71
Corresponding with the 71 of sense command and 00 with 00,04 01 20 80 respectively represent the tire pressure condition of four tires.
The sense command that car-mounted terminal is sent to tire pressure equipment includes function number, withouts waiting for reply mechanism, Ke Yilian
Supervention send control command, and without worrying that return information can not be matched, car-mounted terminal obtains the work of the information of tire pressure equipment
It is more efficient, and car-mounted terminal and tire pressure equipment follow the same interface protocol, as long as following the tire with the interface protocol
Equipment is pressed, even if the tire pressure equipment brand and model of different kinds of tyre is different on a vehicle, does not affect and uses and replace.
With reference to Fig. 6, car-mounted terminal further includes matching sending module 1a, matching determination module 1b and fits through module 1c；
Matching sending module 1a is for sending order of shaking hands to tire pressure equipment；Determination module 1b is matched to be used for according to tire pressure device replied
Information judge whether tire pressure equipment follows same interface protocol；Module is fitted through for judging that it is same that tire pressure equipment follows
When interface protocol, then the sense command with functional number is generated.
In matching the sending module 1a courses of work, order of shaking hands is sent according to protocol format, as shown in Fig. 2, life of shaking hands
The data content of order successively include Head Code, dataType1, dataType2, length, Data0, Data1, Datan and
Checksum；Wherein：Head Code are start byte, and perseverance is 0xAA；DataType1 is called address, is communication receiver
Address；DataType2 is calling address, is the address of sender of communications；Length is length byte, is the length of this frame data
Degree, including frame head, data segment and verification；Data0 is function number, is to represent the function of defining this frame data；Data1 is subfunction
Number, it is additional function number, when no subfunction is 0x00；Datan is data byte, according to different function number, subfunction number
It is different and different；Checksum is check byte, summation (the head code+dataType1+ of frame head and all bytes of data segment
DataType2+length+data0+data1+data (n)-data (n-1)) ＆ 0xff, by function number can determination to examine
The function of survey.
In matching the determination module 1b courses of work, agreement as shown in figure 3, the information of tire pressure device replied data content
Include Head Code, dataType1, dataType2, length, Data0, Data1, Datan and Checksum successively；Its
In：Head Code are start byte, and perseverance is 0xAA；DataType1 is called address, is the address of communication receiver, and perseverance is
0XA1；DataType2 is calling address, is the address of sender of communications, and perseverance is 0XB1；Length is length byte, is this frame
The length of data, including frame head, data segment and verification；Data0 is function number, is to represent the function of defining this frame data, normally
0x11 is fed back, it is abnormal to feed back 0xFF；Data1 is subfunction number, is additional function number, and when no subfunction is 0x00, abnormal
Subfunction number (is not described) herein depending on setting；Datan is data byte, not according to different function number, subfunction number
It is same and different；Checksum is check byte, summation (the head code+dataType1+ of frame head and all bytes of data segment
dataType2+length+data0 +data1+data(n)-data(n-1))&0xff；It can directly be determined by function number
It is the feedback result of which function, after judgement, if tire pressure equipment follows same interface protocol with car-mounted terminal, both may be used
Further to obtain the information of tire pressure equipment and the information etc. of tire pressure equipment detection by the interaction of information, if it is determined that tire pressure is set
Standby is not to follow same interface protocol with car-mounted terminal, then can make prompting in car-mounted terminal.
In fitting through the module 1c courses of work, if it is determined that tire pressure equipment is to follow same interface with car-mounted terminal to assist
View, represent car-mounted terminal and tire pressure equipment can interact, then can generate the sense command with functional number.
For example, order of shaking hands is AA B1 A1 07 11 00 14, the information of tire pressure device replied is AA A1 B1 07
11 11 14, wherein 07 11 be function number, later 11 indicate can Normal Feedback, tire pressure equipment and car-mounted terminal follow together
One interface protocol.
With reference to Fig. 7, car-mounted terminal further includes parameter acquisition module 1d, parameter display module 1e, modification parameter module 1f, life
Enable generation module 1g, modification sending module 1h and modification judgment module 1i；Parameter acquisition module 1d is for sending out the order that gets parms
It send to tire pressure equipment；Parameter display module 1e is used to receive and show the parameter information of tire pressure equipment feedback；Change parameter module
1f is used to be loaded into modification parameter according to parameter information；Order generation module 1g is used to generate the setting command for carrying modification parameter；
Modification sending module 1h is for sending the setting command to the tire pressure equipment；Modification judgment module 1f according to tire pressure for setting
Standby feedback information determines modification result.
Above-mentioned steps are used for it is believed that parameter is improper, the case where actively changing parameter.
In the parameter acquisition module 1d courses of work, the order that gets parms is also the regular lattice according to above-mentioned interface protocol
Formula.
In the parameter display module 1e courses of work, the parameter information of tire pressure equipment feedback is shown by display screen.
In changing the parameter module 1f courses of work, modification parameter is written by manual operation, or is inputted and obtained by software,
Modification parameter can input new gain of parameter in original parameter position, and modification parameter can be one, can also be multinomial.
In the order generation module 1g courses of work, setting command is generated according to modification parameter and its corresponding function number.
In changing the sending module 1h courses of work, the setting command with modification parameter is also according to above-mentioned interface protocol
Rule schemata.
In above-mentioned steps S1i, the feedback information of tire pressure equipment is also according to the rule schemata of above-mentioned interface protocol, when repairing
Feedback information can all carry corresponding information when changing successfully or not successfully, whether to judge successfully modified.
It can be used for needing changing temperature, the parameters such as air pressure bound, after successfully modified, tire pressure equipment can be according to repairing
Change the conduct measurement standard of rear parameter.
With reference to Fig. 8, car-mounted terminal further includes warning judgment module 2a and warning reminding module 2b；Judgment module 2a is alerted to use
In judging in feedback result whether to include warning message；Warning reminding module 2b is used for when judging to have warning message, according to pre-
If rule makes corresponding prompting action.
In alerting the judgment module 2a courses of work, if having detected that warning message indicates that the corresponding function of function number is different
Often.
In alerting the reminding module 2b courses of work, if having detected warning message in feedback result, according to default rule
Corresponding prompting action is then made, prompting action therein can be one in sound prompting, vibration reminding, light variation prompting
Kind is a variety of.
In some embodiments, car-mounted terminal makes tire pressure equipment access by USB or UART.
Tire pressure equipment exchange method and car-mounted terminal of the present invention, car-mounted terminal is sent to tire pressure in tire pressure equipment exchange method
The sense command of equipment includes function number, withouts waiting for reply mechanism, can continuously transmit control command, and without worrying back
Complex information can not be matched, and car-mounted terminal obtains the working efficiency higher of the information of tire pressure equipment.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of tire pressure equipment exchange method, which is characterized in that include the following steps：
Car-mounted terminal is sent according to protocol rule with functional number sense command to tire pressure equipment；
According to the return information with the function number that tire pressure equipment is fed back, the anti-of function corresponding with the function number is obtained
Result information is presented, the feedback result information carries warning message in the corresponding dysfunction of the function number.
2. tire pressure equipment exchange method according to claim 1, which is characterized in that the car-mounted terminal is according to protocol rule
Before the step of sending with functional number sense command, including：
Send the tire pressure equipment that order of shaking hands extremely is connected with the car-mounted terminal；
Judge whether tire pressure equipment follows same interface protocol according to the information of tire pressure device replied；
If so, generating with functional number sense command.
3. tire pressure equipment exchange method according to claim 1, which is characterized in that the car-mounted terminal is according to protocol rule
Before the step of sending with functional number sense command, including：
Transmission gets parms order to the tire pressure equipment；
Receive and show the parameter information of the tire pressure equipment feedback；
It is loaded into modification parameter according to the parameter information；
Generate the setting command for carrying the modification parameter；
The setting command is sent to the tire pressure equipment；
Modification result is determined according to the feedback information of the tire pressure equipment.
4. tire pressure equipment exchange method according to claim 1, which is characterized in that the band fed back according to tire pressure equipment
Functional number return information obtains the feedback result information of function corresponding with function number, and the feedback result information is in work(
Include the steps that warning message includes later when the corresponding dysfunction of energy number：
Judge in the feedback result whether to include warning message；
It is acted if so, making corresponding prompting according to the feedback result and preset rules.
5. tire pressure equipment exchange method according to claim 4, which is characterized in that the prompting action includes splashette, police
Report vibrations and/or auditory tone cues.
6. a kind of car-mounted terminal, which is characterized in that including：
Sending module, for being sent with functional number sense command to tire pressure equipment according to protocol rule；
Data obtaining module, the return information with the function number for being fed back according to tire pressure equipment obtain and the work(
The feedback result information of energy number corresponding function, the feedback result information are carried in the corresponding dysfunction of the function number
Warning message.
7. car-mounted terminal according to claim 6, which is characterized in that further include：
Sending module is matched, the tire pressure equipment being extremely connected with the car-mounted terminal for sending order of shaking hands；
Determination module is matched, for judging whether tire pressure equipment follows same interface protocol according to the information of tire pressure device replied；
Module is fitted through, for when judging that tire pressure equipment follows same interface protocol, then generating the detection with functional number
Order.
8. car-mounted terminal according to claim 6, which is characterized in that further include：
Parameter acquisition module, for sending the order that gets parms to the tire pressure equipment；
Parameter display module, the parameter information for receiving and showing the tire pressure equipment feedback；
Parameter module is changed, for being loaded into modification parameter according to the parameter information；
Order generation module, for generating the setting command for carrying the modification parameter；
Sending module is changed, for sending the setting command to the tire pressure equipment；
Judgment module is changed, for determining modification result according to the feedback information of the tire pressure equipment.
9. car-mounted terminal according to claim 6, which is characterized in that further include：
Judgment module is alerted, for judging in the feedback result whether to include warning message；
Reminding module is alerted, for when judging to have warning message, being made accordingly according to the feedback result and preset rules
Prompting acts.
10. car-mounted terminal according to claim 9, which is characterized in that the car-mounted terminal is made described by USB or UART
Tire pressure equipment accesses.
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| CN201810316739.1A CN108638764A (en) | 2018-04-10 | 2018-04-10 | Tire pressure equipment exchange method and car-mounted terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810316739.1A CN108638764A (en) | 2018-04-10 | 2018-04-10 | Tire pressure equipment exchange method and car-mounted terminal |
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Application publication date: 20181012 |