CN109581931A - A kind of controller system for panoramic looking-around system - Google Patents
A kind of controller system for panoramic looking-around system Download PDFInfo
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- CN109581931A CN109581931A CN201811555998.6A CN201811555998A CN109581931A CN 109581931 A CN109581931 A CN 109581931A CN 201811555998 A CN201811555998 A CN 201811555998A CN 109581931 A CN109581931 A CN 109581931A
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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
- G05B19/0423—Input/output
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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
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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Abstract
The present invention relates to a kind of controller systems for panoramic looking-around system, including two single-chip microcontrollers and a core board, two single-chip microcontrollers are respectively first singlechip and second singlechip, core board is connected with first singlechip, second singlechip is used to receive the data of on-vehicle host key part and the data of display screen, first singlechip then directly receives the data of vehicle condition, second singlechip and the equal independent process data of first singlechip.The present invention passes through double mcu, carry out all data processings all independently, it is unified to receive, it is independently transmitted, support real-time independent detection institute CAN data in need, and pass through the independent processing in real time to CAN data, dynamic adjustment data transmission, so that 360 ° of panorama backing systems do not need the too many data of subprocessing and lead to phenomena such as crashing, double mcu processing simultaneously can also prevent chip processing too fast and cause to overheat while improving processing speed and efficiency, can meet the needs of practical application well.
Description
Technical field
The invention belongs to vehicle arrangement technical fields, and in particular to a kind of controller system for panoramic looking-around system.
Background technique
With the rapid development of science and technology, people increasingly focus on the safety of driving, and what each driver most paid close attention to is no more than
The safety of parking reversing.Although pervious vehicle has reversing radar, but child, stone, hollow place after vehicle etc. cannot be backed up thunder again
Up to identification, easily cause accident.Thus, from original reversing voice to ultrasonic probe, then visual parking device popular till now
Radar, backing system is always in progress.Nowadays, the video vehicle back radar product of single rearview camera has become
One of indispensable safety equipment of automobile.But meanwhile the video vehicle back radar based on single rearview camera can only see vehicle body just
Rear image can not see vehicle body surrounding situation clearly simultaneously, and there are visual angle blind zones, it is difficult to meet the increasingly harsher driving of driver
It is required that therefore just have the demands of 360 degree of full-view images around vehicle body, thus 360 degree of panorama reverse images are born.
Panorama reverse image forms one by 4 wide-angle cameras and looks around image, the environment around real-time display vehicle body.
Image around entire tailstock image and display vehicle body simultaneously can be clearly shown when opening reversing, reversing interface also has reversing
Trajectory line simulates, the route that automobile is fallen back according to the direction when steering wheel goes to some angle, to make driver more clear
Chu needs how to move backward.
Since what panorama reversing influenced popularizes, requirement of the people to system is also higher and higher, and system on the market starts not
It is able to satisfy the demand of people.Present panorama backing system is still mainly based on reversing display, and operating handle is very poor, even
Some systems do not configure manual operation, backing system impersonality and the smooth operation feel having, while by institute
Some data are uniformly processed, and the unified collapse for sending the system that easilys lead to and channel blocking more seriously may cause
MCU is damaged since working strength is excessively high.
Summary of the invention
For above-mentioned problems of the prior art, it can avoid above-mentioned skill occur the purpose of the present invention is to provide one kind
The controller system for panoramic looking-around system of art defect.
In order to achieve the above-mentioned object of the invention, technical solution provided by the invention is as follows:
A kind of controller system for panoramic looking-around system, including two single-chip microcontrollers and a core board, two monolithics
Machine is respectively first singlechip and second singlechip, and core board is connected with first singlechip, and second singlechip is used to receive vehicle
Carry host key part data and display screen data, first singlechip then directly receive vehicle condition data, second
Single-chip microcontroller and the equal independent process data of first singlechip.
Further, core board uses the IMX6 of NXP.
The control method of controller system for panoramic looking-around system, comprising the following steps:
Step 1) initialization；Start to initialize all pins of chip in principal function, to match into vehicle basis
Offer interface is provided；
Step 2) establishes vehicle PV；Dynamic configuration is carried out come the function to controller by the dial-up on monitoring product, it will
Required parameter is transmitted to controller.
Step 3) enters run () major cycle of controller；
Foundation and the communication of core board and the communication of second singlechip before this, and the task of all data receivers is established,
Then program will have been in run () function of processor, ceaselessly monitor the state of each task, it is ensured that data
Between ensure the accuracys of data while will not influence each other.
Further, the function for including in controller includes:
It include universal function in LSL3DController, wherein _ handleTurnIndicator () function is used
Saving the car data information from CAN turn signal, _ handleShiftPos () function is used to save the data of gear, _
HandlePkeyStatus () function is used to save P key data, and _ handleDoorStatus () function is used to save the shape of door
State data, _ handleRadarVals () function save its result after having handled radar data again；_ Get360Msg () function is then
It is used to complete 360 ° of switch logics for obtaining core board information.
Further, the function for including in controller further include: inherited in LSL3DfilterController
The processing data and agreement of LSL3DController, while being directed to the communication process that switching is independently established between a MCU
Function: _ handleMCUCommunication ()；Second singlechip receiving host data are simultaneously sent out after being handled by agreement
It is sent to first singlechip, the data that first singlechip sends second singlechip carry out judgement preservation again, finally by
Car data before are sent core board by sendCarInfo () function, and core board, which receives, to be made after corresponding data pair
The operation answered.
Further, the function for including in controller further include: _ the operaBirdview () function is used to handle switching
Logic, by mark to determine whether need to be switched to 360 ° of panorama system interfaces, control core plate at former vehicle interface and
It is switched on 360 ° of panorama system interfaces, while having rate limitation, speed will move out 360 ° of panorama systems circle when being more than limitation
Face.
Further, the function for including in controller further include: _ checkKeyBoardFilter () function is used to handle
The data come are received back from second singlechip, for handling the logic of former Main Engine key, former Main Engine button data is independently sent out
It is sent to core board.
Made at all data provided by the present invention for the controller system of panoramic looking-around system by double mcu
Reason is all independent to be carried out, unified to receive, independently transmitted, supports real-time independent detection institute CAN data in need, and by CAN
The independent processing in real time of data, dynamic to adjust data transmission, so that 360 ° of panorama backing systems do not need, subprocessing is too
More data cause phenomena such as crashing, while double mcu processing can also prevent chip while improving processing speed and efficiency
It handles too fast and causes to overheat, the needs of practical application can be met well.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of system of the invention；
Fig. 2 is the program flow diagram of control method of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
The present invention will be further described for example.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to
It is of the invention in limiting.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of controller system for panoramic looking-around system, for being filtered control to car data, with vehicle-mounted master
Machine is connected, and controller system of the invention can carry out control logic rearranging and collect.
As shown in Figure 1, this controller system includes two single-chip microcontrollers and a core board, core board uses the IMX6 of NXP,
Two single-chip microcontrollers are respectively MCU1 and MCU2, and core board is connected with MCU1, and MCU2 is used to receive on-vehicle host key part
The data of data and display screen, MCU1 then directly receive the data of vehicle condition, MCU2 and the equal independent process data of MCU1, together
When each vehicle condition data independently monitored by independent task, to utilize the resource of MCU to greatest extent, and at data
It is just transmitted to on-vehicle host using verification after reason, compared to before by the unified reception of all data, is uniformly processed, then unite
One sends, and the accuracy and transmission rate of data can be greatly improved.
As shown in Fig. 2, the control method of the controller system for panoramic looking-around system, comprising the following steps:
Step 1) initialization；
Start to initialize all pins of chip in principal function, to provide interface into vehicle configurations.
Step 2) establishes vehicle PV；
Dynamic configuration, such as configuration LVDS, resolution ratio are carried out by the dial-up on monitoring product come the function to controller
Deng required parameter is transmitted to controller.
Step 3) enters run () major cycle of controller；
Controller serves as the key player of logical process in a program.It established before this and the communication of core board and MCU2
Communication, and the task of all data receivers is established, then program will have been in run () function of processor, not stop
Monitoring each task state, it is ensured that ensure the accuracy of data while will not influencing each other between data.It solves below
Analyse the function for including in controller.
It include universal function in LSL3DController, wherein _ handleTurnIndicator () function is used
Saving the car data information from CAN turn signal, _ handleShiftPos () function is used to save the data of gear, _
HandlePkeyStatus () function is used to save P key data, and _ handleDoorStatus () function is used to save the shape of door
State data, _ handleRadarVals () function save its result after having handled radar data again._ Get360Msg () function is then
It is used to complete 360 ° of switch logics for obtaining core board information.
The processing data and agreement of LSL3DController are inherited in LSL3DfilterController, together
When for switching independently establish communication process function between a MCU: _ handleMCUCommunication ()；Using double
The benefit of CPU is exactly the data information that MCU1 is used to receive CAN1, and MCU2 is used to connect the data information of host, MCU2 receiving host
Data are simultaneously sent to MCU1 by agreement after being handled, and the data that MCU1 sends MCU2 carry out judgement preservation again, finally
Core board is sent by Car data before by sendCarInfo () function, core board is done after receiving corresponding data
Corresponding operation out.
_ the operaBirdview () function is used to handle switch logic, by mark to determine whether needing to be switched to
360 ° of panorama system interfaces, control core plate switches on former vehicle interface and 360 ° of panorama system interfaces, while having speed
Degree limitation, speed will move out 360 ° of panorama system interfaces when being more than limitation.
_ checkKeyBoardFilter () function, which is used to handle from MCU2, is received back the data come, and is primarily used to handle
The logic of former Main Engine key, former Main Engine button data is independently transmitted to arrive core board, separates with other data, in addition to source
Other than difference, separately send can also allow the key of host more personalized in 360 ° of panorama controls, can come according to demand
Increase new function, main function is for being manually entered or exiting panorama system at present.
The present invention defaults using the view in included core board.It is general to show in 360 ° of reversing panorama backing systems
Be all 2D view, and included core board also has 3D view, and left/right rotation can be also switched to when beating left and right turn signal
To correspondence 3D view, while can have the vehicle of touch screen and knob can be by the equipment of former vehicle, to control with rotary viewing angle
360 operations for looking around one week also may be implemented in visual angle in the car.In the controller, all data processings all independently carry out, system
One receives, independently transmitted.Controller system supports real-time independent detection institute CAN data in need, and by CAN data
Independent processing in real time, it is dynamic to adjust data transmission, so that 360 ° of panorama backing systems do not need the too many number of subprocessing
Phenomena such as according to crash is caused, while dual processors processing also can prevent chip processing too fast while improving processing speed and efficiency
And cause to overheat.The present invention can use former vehicle key and screen touching by the data processing to former vehicle key and screen
The control to panorama backing system is touched and then improves, thus to realize that more controls provide possibility, and then abundant system later
Function.
This product supports contact action, and the Keyboard Control of host is also supported while supporting contact action.Touch screen
Operation and host button data be all to be communicated by CAN2, read the data of touch screen and carry out data processing, it is compatible
Various screens, the rule of corresponding data bit variation also can be bigger relatively more frequent in other words, handle the screen data of large-size screen monitors simultaneously
And it is converted into click coordinate, combine the data processing of knob.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of controller system for panoramic looking-around system, which is characterized in that including two single-chip microcontrollers and a core board,
Two single-chip microcontrollers are respectively first singlechip and second singlechip, and core board is connected with first singlechip, and second singlechip is used
Receive the data of on-vehicle host key part and the data of display screen, first singlechip then directly receives the number of vehicle condition
According to second singlechip and the equal independent process data of first singlechip.
2. control system according to claim 1, which is characterized in that core board uses the IMX6 of NXP.
3. the control method of the controller system for panoramic looking-around system, which is characterized in that the controller system is right
It is required that controller system described in 1.
4. control method according to claim 1 to 3, which is characterized in that the control method the following steps are included:
Step 1) initialization；Start to initialize all pins of chip in principal function, to mention into vehicle configurations
For interface；
Step 2) establishes vehicle PV；Dynamic configuration is carried out come the function to controller by the dial-up on monitoring product, it will be required
Parameter is transmitted to controller.
Step 3) enters run () major cycle of controller；
Foundation and the communication of core board and the communication of second singlechip before this, and the task of all data receivers is established, then
Program will have been in run () function of processor, ceaselessly monitor the state of each task, it is ensured that between data
Ensure the accuracy of data while will not influencing each other.
5. control method described in -4 according to claim 1, which is characterized in that the function for including in controller includes:
It include universal function in LSL3DController, wherein _ handleTurnIndicator () function is used to protect
The car data information from CAN turn signal is deposited, _ handleShiftPos () function is used to save the data of gear, _
HandlePkeyStatus () function is used to save P key data, and _ handleDoorStatus () function is used to save the shape of door
State data, _ handleRadarVals () function save its result after having handled radar data again；_ Get360Msg () function is then
It is used to complete 360 ° of switch logics for obtaining core board information.
6. control method described in -5 according to claim 1, which is characterized in that the function for including in controller further include:
The processing data and agreement of LSL3DController are inherited in LSL3DfilterController, while for switching
Independently establish the communication process function between a MCU: _ handleMCUCommunication ()；Second singlechip receives master
Machine data are simultaneously sent to first singlechip, the data that first singlechip sends second singlechip by agreement after being handled
Judgement preservation is carried out again, sends core board for Car data before finally by sendCarInfo () function, core board connects
Corresponding operation is made after receiving corresponding data.
7. control method described in -6 according to claim 1, which is characterized in that the function for including in controller further include: _
The operaBirdview () function is used to handle switch logic, by indicating to determine whether needing to be switched to 360 ° of panorama systems
System interface, control core plate switches on former vehicle interface and 360 ° of panorama system interfaces, while having rate limitation, speed
It will move out 360 ° of panorama system interfaces when more than limitation.
8. control method described in -7 according to claim 1, which is characterized in that the function for including in controller further include: _
CheckKeyBoardFilter () function, which is used to handle from second singlechip, is received back the data come, for handling former Main Engine
The logic of key, former Main Engine button data is independently transmitted to arrive core board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811555998.6A CN109581931A (en) | 2018-12-19 | 2018-12-19 | A kind of controller system for panoramic looking-around system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811555998.6A CN109581931A (en) | 2018-12-19 | 2018-12-19 | A kind of controller system for panoramic looking-around system |
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| CN109581931A true CN109581931A (en) | 2019-04-05 |
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| CN201811555998.6A Pending CN109581931A (en) | 2018-12-19 | 2018-12-19 | A kind of controller system for panoramic looking-around system |
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Cited By (2)
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| CN111806364A (en) * | 2020-06-04 | 2020-10-23 | 深圳市凯芯威科技有限公司 | All-round control system |
| CN113978365A (en) * | 2021-10-28 | 2022-01-28 | 河北雄安五维智联科技有限公司 | Omnidirectional ADAS + 360-degree panoramic fusion auxiliary driving system and method |
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Application publication date: 20190405 |