CN108983665A - A kind of system and method with 32 micro-control unit driving automobile virtual instruments - Google Patents
A kind of system and method with 32 micro-control unit driving automobile virtual instruments Download PDFInfo
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- CN108983665A CN108983665A CN201810843778.7A CN201810843778A CN108983665A CN 108983665 A CN108983665 A CN 108983665A CN 201810843778 A CN201810843778 A CN 201810843778A CN 108983665 A CN108983665 A CN 108983665A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2656—Instrumentation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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- Indicating Measured Values (AREA)
Abstract
The invention discloses a kind of system and method for automobile virtual instrument driven with 32 micro-control units.The system for the automobile virtual instrument that the present invention is driven with 32 micro-control units, comprising: main control module forms corresponding control instruction for data based on the received;Driver module, the control instruction for being sent according to main control module, the data for reading memory module storage are exported to display module;Main control module uses 32 micro-control units.The invention also discloses a kind of methods of automobile virtual instrument driven with 32 micro-control units, comprising: S1, using 32 micro-control units, data form corresponding control instruction based on the received;The data that S2, the control instruction sent according to 32 micro-control units read storage are exported to display module.Automobile virtual instrument system provided by the invention carries out control realization using 32 micro-control units, reduces the investment of research and development cost.
Description
Technical field
The invention belongs to automobile virtual instrument technical field more particularly to a kind of automobiles driven with 32 micro-control units
The system and method for virtual instrument.
Background technique
Automobile instrument is the important information source that driver learns automotive service state.
With the fast development of computer technology, electronic technology etc., automotive circuit diagram degree is higher and higher.Electric-control system
Increase, improves the dynamic property of automobile, economy and comfort, but at the same time, wiring is also gradually huge and complicated.Vapour
Vehicle instrument is one of the importance for improving comprehensive vehicle performance, therefore as highly important part in automobile whole system
It is required also to become higher and higher.Traditional electromagnetic and mechanical instrument is because its control system is too fat to move, wiring wiring is complicated, occupied space
Greatly, it shows Limited information etc., can not meet demand, in order to improve electronic control unit utilization rate, communicated between increase electronic control unit
The update of rate, accuracy rate and reliability, automobile instrument product is imperative.
Automobile virtual instrument general design idea is that the collected data of various sensors on automobile are carried out intelligence
It handles and is exported by visualization interface, to detect the situation of each system of automobile.The development of automobile is more and more intelligent and believes
Breathization, the development of automobile virtual instrument are also faced with diversified demand, and to meet the needs of people, automobile virtual instrument needs
Vehicle body data and operation data information, the content of display intuitive readability, display interface individual character beauty of display automobile etc..But mesh
The preceding system for showing content without preferably control automobile virtual instrument.
A kind of method of automobile instrument software upgrading as disclosed in the patent of invention of Publication No. CN108182080A, packet
Include: middle control end obtains instrument upgrade package from external storage equipment or network, and instrument end passes through received instrument upgrade package
Length and Steganalytic carry out correct judgment, are provided in instrument upgrade package corresponding with primary processor and/or coprocessor
Upgrading mark place value.The patent of invention puts forth effort on the upgrading of automobile instrument, to be related to the scheme that instrument shows content design, more not
Solve the problems, such as that control automobile instrument shows many kinds of parameters.
Therefore, when automobile virtual instrument will substitute automobile tradition machinery instrument with image procossing new technology, how to pass through
The content that 32 MCU (Micro Control Unit, micro-control unit) control automobile virtual instrument show, become it is of the invention to
It solves the problems, such as.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
For above-mentioned technical problem of the existing technology, vapour is driven with 32 micro-control units the present invention provides a kind of
The system and method for vehicle virtual instrument, the present invention passes through the automobile virtual instrument of 32 MCU driving, by 32 MCU intelligent controls
The content that automobile virtual instrument display interface is shown realizes display interface customizable.
To reach above-mentioned technical purpose, the present invention is adopted the following technical scheme that:
A kind of system with 32 micro-control unit driving automobile virtual instruments comprising:
Main control module forms corresponding control instruction for data based on the received;
Driver module, the control instruction for being sent according to main control module, the data for reading memory module storage are defeated
Out to display module;
The main control module uses 32 micro-control units.
As a preference of the present invention, the data that the main control module receives include: to receive vehicle body by CAN transceiver module
CAN data, and the safety belt alert data, air bag alert data, the parking brake that are acquired by sensor module play on or off
Close data, backlight adjusting opens or closes data.
As a preference of the present invention, the system also includes: backlight control module, for logical according to 32 micro-control units
Cross the brightness that the control instruction that I/O interface is sent controls the display module.
As a preference of the present invention, 32 micro-control units send control instruction to the display by SPI interface
Drive module.
As a preference of the present invention, the content of memory module storage include: display main interface picture, alarm picture,
Indicator light icon.
A method of automobile virtual instrument is driven with 32 micro-control units comprising:
S1, using 32 micro-control units, data form corresponding control instruction based on the received;
The data that S2, the control instruction sent according to 32 micro-control units read storage are exported to display module.
As a preference of the present invention, the method also includes: S3, the control instruction control issued according to 32 micro-control units
Make the brightness of the display module.
As a preference of the present invention, the received data include: to receive vehicle body CAN data by CAN transceiver module, with
And safety belt alert data, air bag alert data, the parking brake acquired by sensor module opens or closes data, backlight
Adjusting opens or closes data.
As a preference of the present invention, the step S2 further include:
S21,32 micro-control units send control instruction to driver module by SPI interface;
S22, the driver module read the display main interface picture and/or alarm picture of storage according to control instruction
And/or indicator light icon information;
S23, the driver module export the corresponding informance of reading to display module;
S24, display module show corresponding information.
As a preference of the present invention, 32 micro-control units issue control display module brightness by I/O interface
Control instruction.
Technical solution provided by the invention can include the following benefits:
1, automobile virtual instrument system provided by the invention carries out control realization using 32 MCU;The present invention is by 32
Position MCU receives related data, and forms corresponding control instruction according to data, controls display module for speed, revolving speed, alarm etc.
Data graphically show, and are realized by the control of 32 MCU the data information received passing through display mould
Block is intuitively presented to the user with image format.
2, the data shown by the brightness of 32 MCU Intelligent control automobile virtual instrument display interfaces and display interface
Type realizes the customizable that display interface shows content.No matter from the display effect and R & D design of product all than existing
Automobile conventional instrument has apparent advantage.
Detailed description of the invention
Fig. 1 is a kind of system construction drawing that automobile virtual instrument is driven with 32 micro-control units of the embodiment of the present invention 1;
Fig. 2 is a kind of method flow diagram that automobile virtual instrument is driven with 32 micro-control units of the embodiment of the present invention 2.
Specific embodiment
Referring now to attached drawing hereinafter, the present invention is described in more detail below, shows the embodiment of the present invention in the figure.
However, the present invention can be presented as many different forms, and it should not be construed as being limited to specific embodiment presented herein.
Exactly, these embodiments are for conveying the scope of the invention to those skilled in the art.
Unless otherwise defined, otherwise, term (including technical and scientific terms) used herein is interpreted as
With the identical meaning of the meaning that is generally understood with the technical staff in field belonging to the present invention.Also, it is to be understood that
Term used herein be interpreted as having with the consistent meaning of meaning in this specification and related fields, and do not answer
It is explained by ideal or excessively formal meaning, unless being clearly specified that herein.
Embodiment 1
Carry out the technical solution that the present invention will be described in detail with reference to the accompanying drawing.
A kind of system with 32 micro-control unit driving automobile virtual instruments is present embodiments provided, as shown in Figure 1, packet
Include: the specific operation process of main control module 100, driver module 200, backlight control module 300, this programme is as follows:
Main control module 100 forms corresponding control instruction for data based on the received.
The main control module 100 uses 32 MCU (Micro Control Unit, micro-control unit).In this programme
32 MCU are mainly used for receiving data, processing data, the processor for transmitting data, and control driver module 200 and back
The processor of photocontrol module 300.
Preferably, the data that the main control module 100 receives include: to receive vehicle body CAN number by CAN transceiver module
According to, and the data that the sensor module by being located at vehicle body acquires.
The CAN transceiver module: can receive and send data.32 MCU receive vehicle body by CAN transceiver module
CAN data.And the control data of 32 MCU are sent to the corresponding component of automobile by the CAN transceiver module.
Preferably, the data acquired by sensor module include: safety belt alarm, air bag alarm, parking brake
It opens or closes, backlight adjusting such as opens or closes at the information.
The vehicle body data of the received vehicle body CAN data of 32 MCU and sensor module acquisition are that MCU control instruction issues
Input source.
After 32 MCU receive data, MCU will do it processing, then form corresponding control instruction, and corresponding module connects
The control instruction is received, data are shown to client with the formal intuition of picture finally by liquid crystal display, specific implementation procedure is such as
Under:
Such as: after main control module 100 receives relevant information, main control module 100 judge the type of data, if data
Be user do not fasten the safety belt and the warning message that issues, then main control module 100 issues the control instruction that display safety belt is not.
For another example main control module 100 receives vehicle speed information by CAN transceiver module, if main control module 100 determines reception
The data arrived are the information that speed is more than certain value, then main control module 100 issues control instruction to buzzer, and buzzer receives
Alert after control instruction, plays the role of safety instruction.
Driver module 200, the control instruction for being sent according to main control module 100 read memory module storage
Data are exported to display module.
Preferably, 32 micro-control units send control instruction to the driver module by SPI interface
200。
The driver module 200 is driven using display screen, is mainly in response to 32 MCU and is sent by SPI interface
Command adapted thereto, display screen driving receives the instruction that the control display module that 32 MCU are sent shows content.Display screen drives root
Corresponding data are read in the data that memory module stores according to the instruction, and the data of reading are output to display module, are shown
Show that module shows corresponding content.
The memory module uses FLASH chip.The data of FLASH chip storage specifically include that display interface picture, report
The display picture such as alert picture, indicator light icon.
The display module mainly graphically shows some data, such as speed, revolving speed, alarm signal
Breath.The TFT digital display screen of seven cun of rgb interfaces can be used in display module.
Such as: control instruction to the display screen that 32 MCU send the warning message that display safety belt is not drives, then shows
Screen driving receives after the instruction in the alarm figure in the mass data that FLASH chip saves, reading corresponding safety belt alarm
Piece, and the picture that safety belt is alarmed is exported to display module, display module shows the warning message.
The system also includes: backlight control module 300, the control instruction for being sent according to main control module 100 control
The brightness of the display module.
After display module shows information, the light intensity of display module may influence the reading of user, then pass through back
The brightness of the adjusting display module of photocontrol module 300.
Backlight control module, described in being controlled according to 32 micro-control units by the control instruction that I/O interface is sent
The brightness of display module.
Backlight control module 300 is mainly used for responding the information that 32 MCU are sent by I/O mouthfuls, removes control display module
Brightness.
Preferably, 32 MCU send the control of display module brightness regulation to backlight control module 300 by I/O signal and refer to
It enables, brightness of the backlight control module 300 further according to brightness regulation control instruction control display module.
In conclusion a kind of system of automobile virtual instrument driven with 32 micro-control units provided in this embodiment,
The data that CAN transceiver module and sensor module acquire mainly are sent to 32 MCU.32 MCU are corresponding by SPI interface
Instruction control driver module reading FLASH data are output to display module and 32 MCU and control backlight by I/O signal
Control module adjusts the brightness of display module, and display module can show vehicle body suitable brightness in the form of picture
All data.
Embodiment 2
A kind of method for present embodiments providing automobile virtual instrument with 32 MCU driving, as shown in Fig. 2, it is specific
Process may include steps of:
S1, corresponding control instruction is formed according to data are received using 32 micro-control units.
32 micro-control units are preferably 32 MCU (Micro Control Unit, micro-control unit).In this programme
32 MCU are mainly used for receiving data, processing data, the processor for transmitting data, and the content that control display module is shown
With the processor of display module brightness.
Received data described in 32 MCU include: to receive vehicle body CAN data by CAN transceiver module, and pass through sensing
Safety belt alert data, air bag alert data, the parking brake of device module acquisition open or close data, backlight adjust open or
Close data.
32 MCU are by the received vehicle body CAN data of CAN transceiver module, and the data acquired by sensor module,
It is the input source that MCU control instruction issues.
The CAN transceiver module: can receive and send data.32 MCU receive vehicle body by CAN transceiver module
CAN data.And the control data of 32 MCU are sent to the corresponding component of automobile by the CAN transceiver module.
By sensor module acquire data include: safety belt alarm, air bag alarm, parking brake open or close,
Backlight adjusting such as opens or closes at the information.
After 32 micro-control units receive the vehicle body CAN data and/or the data of sensor module acquisition,
MCU will do it processing, judges the type of the data or judges whether the data meet normal safety standard, then MCU is formed
Corresponding control instruction.
For example, 32 MCU receive vehicle speed data, then judge whether the vehicle speed data exceeds the speed limit, if hypervelocity, 32
MCU forms the control instruction of overspeed of vehicle, and corresponding module receives the control instruction, finally by liquid crystal display will exceed the speed limit data with
The formal intuition of picture is shown to client, and controls corresponding component and issue information warning.
It include: the number of S2, the control instruction reading storage sent according to 32 micro-control units after the step S1
According to output to display module.
Preferably, the control instruction that 32 MCU are sent is received by driver module, and driver module is storing
It reads corresponding data in the mass data of module storage to export to display module, display module is by corresponding content with graphic form
It shows, in order to which user intuitively checks.
The step S2 further include: S21,32 micro-control units send control instruction to display by SPI interface
Drive module.
The driver module, is mainly in response to the command adapted thereto that 32 MCU are sent by SPI interface, and display is driven
Dynamic model block receives the instruction that the control display module that 32 MCU are sent shows content.
S22, the driver module read the display main interface picture and/or alarm picture of storage according to control instruction
And/or indicator light icon information.
By memory module storing data, the memory module uses FLASH chip.The data of FLASH chip storage are main
It include: that display interface picture, alarm picture, indicator light icon etc. show picture.
Driver module reads corresponding data according to the instruction in the data that memory module stores.
Such as: 32 MCU send the control instruction for the warning message that display safety belt is not to driver module, then show
Show after drive module receives the instruction in the report in the mass data that FLASH chip saves, reading corresponding safety belt alarm
Alert picture.
S23, the driver module export the corresponding informance of reading to display module.
The data of reading are output to display module by driver module.Such as: driver module alarms safety belt
Picture export to display module.
S24, display module show corresponding information.
The display module is mainly used for graphically showing some data, such as speed, revolving speed, alarm
Information.The TFT digital display screen of seven cun of rgb interfaces can be used in display module.
By the form of data type and display that 32 MCU control display modules are shown, realize that display module shows content
Customizable.
This programme further include: the display module step S3, is controlled according to the control instruction that 32 micro-control units issue
Brightness.
The scheme of this step S3 control screen brightness can execute after step S1 before step S2, can be in step
It executes, can also be performed simultaneously with step S2 after S2.
Preferably, 32 MCU receive users adjust display module brightness operation information or 32 MCU it is bright according to environment
Degree judgement needs to adjust display module brightness, and 32 MCU issue the control instruction for increasing or decreasing the brightness of display module.
The step S3 further include: 32 micro-control units issue control display module brightness by I/O interface
Control instruction.
This programme is responded the information that 32 MCU are sent by I/O mouthfuls by backlight control module.
Backlight control module adjusts the brightness of display module according to control instruction, by the brightness blast or reduction of display module
Brightness.
In conclusion a kind of method with 32 micro-control unit driving automobile virtual instruments provided in this embodiment, this
The entire scheme of embodiment carries out control realization using 32 MCU;Boundary is shown by 32 MCU Intelligent control automobile virtual instruments
The data type that the brightness in face and display interface are shown realizes the customizable that display interface shows content.No matter from production
The display effect and R & D design of product all have apparent advantage than existing automobile conventional instrument.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to the present invention and disclose
Other embodiments.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications are used
Way or adaptive change follow the general principles of this disclosure and including the disclosure it is undocumented in the art known in
Common sense or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are under
The claim in face is pointed out.
Claims (10)
1. a kind of system with 32 micro-control unit driving automobile virtual instruments characterized by comprising
Main control module forms corresponding control instruction for data based on the received;
Driver module, the control instruction for being sent according to main control module, read memory module storage data export to
Display module;
The main control module uses 32 micro-control units.
2. the system according to claim 1 with 32 micro-control unit driving automobile virtual instruments, which is characterized in that institute
Stating the data that main control module receives includes: to receive vehicle body CAN data by CAN transceiver module, and pass through sensor module
Safety belt alert data, air bag alert data, the parking brake of acquisition open or close data, backlight adjusting opens or closes number
According to.
3. the system according to claim 1 with 32 micro-control unit driving automobile virtual instruments, which is characterized in that institute
State system further include: backlight control module, for being controlled according to 32 micro-control units by the control instruction that I/O interface is sent
The brightness of the display module.
4. the system according to claim 1 with 32 micro-control unit driving automobile virtual instruments, which is characterized in that institute
It states 32 micro-control units and control instruction is sent to the driver module by SPI interface.
5. the system according to claim 1 with 32 micro-control unit driving automobile virtual instruments, which is characterized in that institute
The content for stating memory module storage includes: display main interface picture, alarm picture, indicator light icon.
6. a kind of method with 32 micro-control unit driving automobile virtual instruments characterized by comprising
S1, using 32 micro-control units, data form corresponding control instruction based on the received;
The data that S2, the control instruction sent according to 32 micro-control units read storage are exported to display module.
7. the method according to claim 6 with 32 micro-control unit driving automobile virtual instruments, which is characterized in that institute
State method further include: S3, the brightness that the display module is controlled according to the control instruction that 32 micro-control units issue.
8. the method according to claim 6 with 32 micro-control unit driving automobile virtual instruments, which is characterized in that institute
Stating received data includes: to receive vehicle body CAN data, and the safety acquired by sensor module by CAN transceiver module
Band alert data, air bag alert data, parking brake open or close data, backlight adjusting opens or closes data.
9. the method according to claim 6 with 32 micro-control unit driving automobile virtual instruments, which is characterized in that institute
State step S2 further include:
S21,32 micro-control units send control instruction to driver module by SPI interface;
S22, the driver module according to control instruction read storage display main interface picture and/or alarm picture and/
Or indicator light icon information;
S23, the driver module export the corresponding informance of reading to display module;
S24, display module show corresponding information.
10. the method according to claim 7 with 32 micro-control unit driving automobile virtual instruments, which is characterized in that
32 micro-control units issue the control instruction of control display module brightness by I/O interface.
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