CN110853569B - Single central control screen domain control system and method - Google Patents
Single central control screen domain control system and method Download PDFInfo
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Abstract
The invention discloses a single central control screen domain control system and a method, wherein the system comprises: entertainment system level chip, instrument system level chip and display screen; the entertainment system-level chip is used for acquiring entertainment type data, classifying the entertainment type data and acquiring first classified data; the instrument system-level chip is used for acquiring instrument type data, classifying the instrument type data and acquiring second classified data; and the display screen is used for displaying the first classified data and the second classified data in a regional way. According to the invention, the two system level chips are respectively used for processing the instrument type data and the entertainment type data, so that the coupling between the system data is reduced, the processed instrument type data and the processed entertainment type data are simultaneously displayed on the display screen in different areas, the display and control of all important information on the vehicle are realized, the cost is low, and the reliability is high.
Description
Technical Field
The invention relates to the technical field, in particular to a single central control screen domain control system and a single central control screen domain control method.
Background
The traditional technology has low integration degree and high cost; although the scheme is a hardware system, the software system of the super intelligent hypervisor virtual machine is complex, the development difficulty is large, the cost is high, the reliability is poor, the QNX system of the real-time operating system is started quickly, the android system is started slowly, if the instrument and the entertainment display screen are made into a structure that the instrument and the entertainment display screen are placed in a glass frame, the first image of the instrument screen can appear, and the image inconsistency appears behind the entertainment screen.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a single central control screen domain control system and a single central control screen domain control method, and aims to solve the technical problem that instrument type data and entertainment type data cannot be displayed simultaneously while reliability is guaranteed in the production process of a coke oven in the prior art.
In order to achieve the above object, the present invention provides a single central screen control domain control system, which includes: entertainment system level chip, instrument system level chip and display screen;
the entertainment system-level chip is used for acquiring entertainment type data, classifying the entertainment type data and acquiring first classified data;
the instrument system-level chip is used for acquiring instrument type data, classifying the instrument type data and acquiring second classified data;
and the display screen is used for displaying the first classified data and the second classified data in a regional way.
Preferably, the entertainment system-on-chip is further configured to obtain a target vehicle type of a target vehicle, search for a corresponding target requirement according to the target vehicle type, and perform module configuration according to the target requirement to obtain a target configuration;
the entertainment system-level chip is further configured to classify the entertainment type data according to the target configuration to obtain first classified data.
Preferably, the single central screen control domain control system further includes: a micro control unit;
the micro control unit is used for receiving the first classified data and the second classified data, respectively screening the first classified data and the second classified data, and obtaining corresponding first screening data and second screening data;
the display screen is further used for displaying the first screening data and the second screening data in a regional mode.
Preferably, the single central screen control domain control system further includes: an image processing chip;
the entertainment system-on-chip is further configured to convert the first screening data into first image data;
the instrument system-on-chip is further used for converting the second screening data into second image data;
the image processing chip is used for receiving the first image data and the second image data, acquiring a target specification of the display screen, and performing regional image splicing on the first image data and the second image data according to the target specification to obtain a spliced image;
the display screen is also used for displaying the spliced image.
Preferably, the image processing chip is further configured to perform cyclic redundancy check code check on the first image data and the second image data.
In addition, to achieve the above object, the present invention further provides a single central screen control domain control method, which is based on the single central screen control domain control system, and the system includes: entertainment system level chip, instrument system level chip and display screen; the single central control screen domain control method comprises the following steps:
the entertainment system-level chip acquires entertainment type data, and classifies the entertainment type data to acquire first classified data;
the instrument system-level chip acquires instrument type data, and classifies the instrument type data to acquire second classified data;
and the display screen displays the first classified data and the second classified data in a subarea mode.
Preferably, before the entertainment system-on-chip obtains the entertainment type data and performs classification processing on the entertainment type data to obtain the first classification data, the single central control screen domain control method further includes:
the entertainment system-level chip acquires a target vehicle type of a target vehicle, searches for a corresponding target requirement according to the target vehicle type, and performs module configuration according to the target requirement to obtain target configuration;
the entertainment system-level chip carries out classification processing on the entertainment type data to obtain first classification data, and the classification processing comprises the following steps:
and the entertainment system-level chip classifies the entertainment type data according to the target configuration to obtain first classified data.
Preferably, the single central screen control domain control system based on the method further comprises: a micro control unit; before the display screen displays the first classified data and the second classified data in a partitioned manner, the single central control screen domain control method further includes:
the micro control unit receives the first classified data and the second classified data, and respectively screens the first classified data and the second classified data to obtain respectively corresponding first screening data and second screening data;
the display screen carries out regional display to first categorised data with the second categorised data, includes:
and the display screen displays the first screening data and the second screening data in a subarea manner.
Preferably, the single central screen control domain control system based on the method further comprises: an image processing chip; before the display screen displays the first screening data and the second screening data in a partitioned manner, the single central control screen domain control method further includes:
the entertainment system-on-chip converts the first screening data into first image data;
the meter system-on-chip converts the second screening data into second image data;
the image processing chip receives the first image data and the second image data, acquires a target specification of the display screen, and performs regional image splicing on the first image data and the second image data according to the target specification to obtain a spliced image;
the display screen displays the first screening data and the second screening data in a partitioned mode, and the method comprises the following steps:
and the display screen displays the spliced image.
Preferably, before the image processing chip performs the split-area image stitching on the first image data and the second image data according to the target specification to obtain a stitched image, the single central control screen area control method further includes:
and the image processing chip performs cyclic redundancy check code check on the first image data and the second image data.
In the present invention, the single central control screen domain control system includes: the entertainment system-level chip is used for acquiring entertainment type data and classifying the entertainment type data to acquire first classified data, the instrument system-level chip is used for acquiring instrument type data and classifying the instrument type data to acquire second classified data, and the two system-level chips are respectively used for instrument type data processing and entertainment type data processing to reduce the coupling between system data; the display screen is used for displaying the first classification data and the second classification data in a regional mode, processed instrument type data and entertainment type data are displayed on the display screen simultaneously in a regional mode, display and control of all important information on the vehicle are achieved, and the display screen is low in cost and high in reliability.
Drawings
FIG. 1 is a block diagram showing the structure of a first embodiment and a second embodiment of a single central control screen domain control system according to the present invention;
FIG. 2 is a block diagram of a single central control screen domain control system according to a third embodiment of the present invention;
FIG. 3 is a flowchart illustrating a single central screen control domain control method according to a first embodiment of the present invention;
FIG. 4 is a flowchart illustrating a single central screen control domain control method according to a second embodiment of the present invention;
fig. 5 is a flowchart illustrating a single central screen control domain control method according to a third embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a block diagram illustrating a first embodiment and a second embodiment of a single central screen control domain control system according to the present invention.
In a first embodiment, the single central screen control domain control system includes: entertainment system-on-chip 10, instrumentation system-on-chip 20, and display screen 30;
the entertainment system-on-chip 10 is configured to obtain entertainment type data, perform classification processing on the entertainment type data, and obtain first classification data.
It should be understood that the single central control screen domain control system further comprises a vehicle body power supply system and a host structure, wherein the vehicle body power supply system supplies B + and GND to the display screen 30, the host structure comprises the entertainment system-level chip 10 and the instrument system-level chip 20, the host structure outputs display screen LVDS driving signals, and the host structure receives CAN signals, 360-degree around-the-horizon camera video signals, radio signals, GPS signals, 4G network signals and the like sent by other controllers of the vehicle body by providing ACC, B + and IGN + power supplies by the vehicle body power supply system. The model of the entertainment System level Chip (SOC) 10 can be selected as a pizza M3 series, and the PIN2PIN replacement Chip is supported to improve the computing capability of the CPU without changing any hardware architecture. The entertainment system-level chip 10 obtains entertainment type data, classifies the entertainment type data, sorts entertainment information according to importance, and sends the sorted entertainment information to the display screen 30, where the first classified data may be entertainment information corresponding to various importance levels, and the display screen preferentially displays entertainment information with high importance.
The meter system-on-chip 20 is configured to obtain meter type data, classify the meter type data, and obtain second classification data.
It can be understood that the model of the meter SOC can be selected from IMAX6 series, and PIN2PIN replacement chips are supported to improve the computing capability of a CPU without changing any hardware architecture. The information interaction part between the independent instrument and the entertainment system, such as the Low-Voltage Differential Signaling (LVDS) screen projection function or the information interaction of a Controller Area Network (CAN) is only transmitted inside the chip, no external connecting wire is needed, and the system cost is reduced. The Over-the-Air Technology (OTA) upgrading of the instrument function of the system is carried out by locally upgrading a USB interface externally connected with a host system, or is firstly downloaded into an Embedded Multi Media Card (EMMC) storage by the system in an OTA mode, and the upgrading of the self function is completed by the instrument SOC.
It should be noted that the instrument operating system of the system is QNX, which ensures fast start and safe and reliable function; the entertainment operating system can support abundant online ecological resources for android, entertainment experience is enhanced, compared with a hypervisor virtual dual system, the entertainment operating system is single, software development is simple, and meanwhile, the entertainment APP networking function is abundant. Instrument system level chip 20 acquires instrument type data, it is right instrument type data carries out classification, obtains second classification data, second classification data can be the instrument information that various importance degree grades correspond respectively, can with instrument information sorts according to importance degree, sends to display screen 30, display screen 30 priority shows the instrument information that importance degree is high.
The display screen 30 is configured to perform regional display on the first classified data and the second classified data.
In a specific implementation, the display screen 30 displays the running information and the entertainment information of the instrument in different areas, that is, the running information and the entertainment information of the instrument are displayed on the display screen 30 at the same time. The first classification data is entertainment information with higher importance degree, and the second classification data is meter information with higher importance degree. For example, if the entertainment type data includes telephone information and radio voice information, the telephone information is more important than the radio voice information, the first classification data may be the telephone information, and the display 30 displays the telephone information preferentially.
In this embodiment, the single central control screen domain control system includes: the entertainment system-level chip is used for acquiring entertainment type data and classifying the entertainment type data to acquire first classified data, the instrument system-level chip is used for acquiring instrument type data and classifying the instrument type data to acquire second classified data, and the two system-level chips are respectively used for instrument type data processing and entertainment type data processing to reduce the coupling between system data; the display screen is used for displaying the first classification data and the second classification data in a regional mode, processed instrument type data and entertainment type data are displayed on the display screen simultaneously in a regional mode, display and control of all important information on the vehicle are achieved, and the display screen is low in cost and high in reliability.
With continued reference to FIG. 1, a second embodiment of the single central screen domain control system of the present invention is presented.
In the second embodiment, the entertainment system-on-chip 10 is further configured to obtain a target vehicle type of a target vehicle, search for a corresponding target requirement according to the target vehicle type, and perform module configuration according to the target requirement to obtain a target configuration.
It should be understood that, the corresponding chips can be deleted according to different configuration requirements of the vehicle type without changing the hardware architecture, the corresponding relationship between various vehicle types and requirements can be established in advance, the target requirement corresponding to the target vehicle type can be searched from the corresponding relationship, and the module configuration is performed according to the target requirement, so as to obtain the target configuration. For example, if the target vehicle type of the target vehicle is not networked, the corresponding requirement is that the 4G module is not needed, the target configuration is cancelled by the 4G module, the entertainment SOC selects the M3 series low performance chip M3N, and the DDR4 and EMMC storage is reduced, so that the cost is reduced, and various requirements are flexibly compatible.
It can be understood that the system further comprises a surround-view camera processing chip, the type of the surround-view camera processing chip can select MAX9286, four-path high-definition camera video input is decoded into a mipi format and input into the entertainment SOC for processing, meanwhile, the surround-view camera processing chip can synchronize four paths of videos to identify which four frames of pictures are at the same time, and the surround-view camera processing chip integrates four and time division multiplexing to transmit the four paths of camera videos into the host structure.
The entertainment system-on-chip 10 is further configured to perform classification processing on the entertainment type data according to the target configuration to obtain first classification data.
It should be noted that, the entertainment type data is classified according to the target configuration, the entertainment information can be sorted according to the importance degree, and sent to the display screen 30, the first classification data may be the entertainment information corresponding to each importance degree level, and the display screen preferentially displays the entertainment information with a high importance degree.
In this embodiment, the entertainment system-on-chip obtains a target vehicle type of a target vehicle, searches for a corresponding target requirement according to the target vehicle type, performs module configuration according to the target requirement to obtain target configuration, and performs classification processing on the entertainment type data according to the target configuration to obtain first classification data, thereby eliminating unnecessary modules, reducing cost, and being flexible and compatible with various requirements.
Referring to fig. 2, fig. 2 is a block diagram of a single central screen control domain control system according to a third embodiment of the present invention, and the third embodiment of the single central screen control domain control system according to the present invention is provided based on the first embodiment or the second embodiment shown in fig. 1. This embodiment is explained based on the first embodiment of the single central control screen domain control system.
In a third embodiment, the single central screen control domain control system further includes: a micro control unit 40;
the micro control unit 40 is configured to receive the first classified data and the second classified data, and respectively screen the first classified data and the second classified data to obtain corresponding first screening data and second screening data.
It should be understood that the Micro Controller Unit (MCU) 40 receives the first classified data and the second classified data, sorts the first classified data according to importance degree to obtain a first sorted list, and sorts the second classified data according to importance degree to obtain a second sorted list. The target specification of the display screen 30 is acquired, a first number of displayable first sorted data and a second number of displayable second sorted data are calculated according to the target rule, the first sorted data of the first number arranged in the front are acquired from the first sorted list as the first screening data, and the second sorted data of the second number arranged in the front are acquired from the second sorted list as the second screening data.
The display screen 30 is further configured to perform regional display on the first screening data and the second screening data.
It can be understood that the display screen 30 displays the meter driving information and the entertainment information in different areas, that is, the meter information and the entertainment information are displayed in the display screen 30 at the same time. The first screening data are entertainment information with higher importance degree, the second screening data are meter information with higher importance degree, and the first screening data and the second screening data are displayed in the display screen 30 in a regional mode.
In this embodiment, the single central screen control domain control system further includes: an image processing chip 50;
the entertainment system-on-chip 10 is further configured to convert the first filtered data into first image data.
It should be noted that, if the display screen 30 displays a general image, the image processing chip 50 may convert the first screening data to obtain the first image data, where the first image data is entertainment information with a higher importance level. The image processing chip 50 has image detection and processing capabilities, can receive LVDS signals, and outputs corresponding driving signals according to the specifications of the display screen. The image processing chip 50 can implement the input graphics stream synchronization signal detection and the output graphics stream synchronization signal detection, and can give an alarm notification in time when the input graphics stream or the output graphics stream has an abnormal driving signal.
The meter system-on-chip 20 is further configured to convert the second screening data into second image data.
In a specific implementation, the image processing chip 50 converts the second screening data to obtain the second image data, where the second image data is meter information with a higher importance level. The image processing chip 50 has a Serial Peripheral Interface (SPI) Flash (Flash) on-screen display (OSD) display data consistency detection function, and an SPI Flash communication detection function, and can ensure consistency of SPI Flash OSD graphic display. The image processing chip 50 has an OSD display function at the same time, the OSD display has two functions of Internal OSD and SPI FLASH OSD, the Internal OSD is used for displaying character information, the SPI FLASH OSD is used for displaying some specific pictures, and TT pictures, display position coordinates, warning pictures and other information are prestored through the built-in SPI FLASH.
The image processing chip 50 is configured to receive the first image data and the second image data, obtain a target specification of the display screen, and perform image stitching for the first image data and the second image data in a partitioned manner according to the target specification to obtain a stitched image.
It should be understood that the image processing chip 50 integrates the driving display signal processed by the meter SOC and the entertainment display signal processed by the entertainment SOC, and according to a certain logic, the integrity, reliability and stability of the image on the display screen are ensured. Receiving the first image data and the second image data, obtaining a target specification of the display screen 30, and performing image stitching on the first image data and the second image data according to the target rule, so that the stitched image can completely display the first image data and the second image data.
The display screen 30 is further configured to display the stitched image.
It is understood that the stitched image includes the first image data and the second image data, the first image data is filtered entertainment information, and the second image data is filtered meter information. And displaying the spliced image in the display screen 30, thereby realizing the simultaneous display of the entertainment information and the instrument information.
In this embodiment, the image processing chip 50 is further configured to perform cyclic redundancy check code check on the first image data and the second image data.
It should be noted that the image processing chip 50 may perform Cyclic Redundancy Check (CRC) on the input graphic data stream, and may detect a dead screen, a patterned screen, and a black screen through CRC, so as to reduce an image failure rate of the display screen and improve user experience.
In this embodiment, the micro control unit receives the first classified data and the second classified data, and respectively filters the first classified data and the second classified data to obtain corresponding first filtered data and second filtered data, the display screen displays the first filtered data and the second filtered data in different regions, and displays the entertainment information and the meter information with higher importance degree in the display screen at the same time, so that the cost is low and the reliability is high; stiff screen, flower screen and black screen can be detected through cyclic redundancy check code check, the image failure rate of the display screen is reduced, and user experience is improved.
In addition, referring to fig. 3, fig. 3 is a schematic flow chart of a single central screen control domain control method according to a first embodiment of the present invention, and provides the first embodiment of the single central screen control domain control method according to the present invention.
In this embodiment, the single central screen control domain control method is based on the single central screen control domain control system, and the system includes: entertainment system level chip, instrument system level chip and display screen;
the single central control screen domain control method comprises the following steps:
step S10: the entertainment system-level chip acquires entertainment type data, and classifies the entertainment type data to acquire first classified data.
It should be understood that accuse screen domain control system in list still includes automobile body power supply system and host computer structure, by automobile body power supply system provides B + and GND for the display screen power supply, the host computer structure includes entertainment system level chip with instrument system level chip, the host computer structure output display screen LVDS drive signal, the host computer structure by automobile body power supply system provides ACC, B + and IGN + power, receives CAN signal, 360 all around video camera video signal, radio signal, GPS signal and 4G network signal etc. that other controllers of automobile body sent. The model of the entertainment System level Chip (SOC) 10 can be selected as a pizza M3 series, and the PIN2PIN replacement Chip is supported to improve the computing capability of the CPU without changing any hardware architecture. The entertainment system-level chip acquires entertainment type data, classifies the entertainment type data, can sort entertainment information according to importance degree and sends the sorted entertainment information to the display screen, the first classified data can be the entertainment information corresponding to various importance degree levels respectively, and the display screen preferentially displays the entertainment information with high importance degree.
Step S20: the instrument system-level chip acquires instrument type data, and classifies the instrument type data to acquire second classified data.
It can be understood that the model of the meter SOC can be selected from IMAX6 series, and PIN2PIN replacement chips are supported to improve the computing capability of a CPU without changing any hardware architecture. The information interaction part between the independent instrument and the entertainment system, such as the Low-Voltage Differential Signaling (LVDS) screen projection function or the information interaction of a Controller Area Network (CAN) is only transmitted inside the chip, no external connecting wire is needed, and the system cost is reduced. The Over-the-Air Technology (OTA) upgrading of the instrument function of the system is carried out by locally upgrading a USB interface externally connected with a host system, or is firstly downloaded into an Embedded Multi Media Card (EMMC) storage by the system in an OTA mode, and the upgrading of the self function is completed by the instrument SOC.
It should be noted that the instrument operating system of the system is QNX, which ensures fast start and safe and reliable function; the entertainment operating system can support abundant online ecological resources for android, entertainment experience is enhanced, compared with a hypervisor virtual dual system, the entertainment operating system is single, software development is simple, and meanwhile, the entertainment APP networking function is abundant. The instrument system level chip acquires instrument type data, and is right instrument type data carries out classification, obtains second classification data, second classification data can be the instrument information that various importance degree grades correspond respectively, can with instrument information sorts according to importance degree, sends to the display screen, the instrument information that the priority display importance degree of display screen is high.
Step S30: and the display screen displays the first classified data and the second classified data in a subarea mode.
In a specific implementation, the display screen displays the running information and the entertainment information of the instrument in different areas, namely, the running information and the entertainment information of the instrument are displayed in the display screen at the same time. The first classification data is entertainment information with higher importance degree, and the second classification data is meter information with higher importance degree. For example, the entertainment type data includes telephone information and radio voice information, the telephone information is higher in importance level than the radio voice information, the first classification data may be the telephone information, and the display screen may preferentially display the telephone information.
In this embodiment, the single central control screen domain control system includes: the entertainment system-level chip is used for acquiring entertainment type data and classifying the entertainment type data to acquire first classified data, the instrument system-level chip is used for acquiring instrument type data and classifying the instrument type data to acquire second classified data, and the two system-level chips are respectively used for instrument type data processing and entertainment type data processing to reduce the coupling between system data; the display screen is used for displaying the first classification data and the second classification data in a regional mode, processed instrument type data and entertainment type data are displayed on the display screen simultaneously in a regional mode, display and control of all important information on the vehicle are achieved, and the display screen is low in cost and high in reliability.
Referring to fig. 4, fig. 4 is a flowchart illustrating a single central screen control domain control method according to a second embodiment of the present invention, and the second embodiment of the single central screen control domain control method according to the present invention is provided based on the first embodiment illustrated in fig. 3.
In the second embodiment, before the step S10, the method further includes:
step S01: the entertainment system-level chip acquires a target vehicle type of a target vehicle, searches for a corresponding target requirement according to the target vehicle type, and performs module configuration according to the target requirement to obtain target configuration.
It should be understood that, the corresponding chips can be deleted according to different configuration requirements of the vehicle type without changing the hardware architecture, the corresponding relationship between various vehicle types and requirements can be established in advance, the target requirement corresponding to the target vehicle type can be searched from the corresponding relationship, and the module configuration is performed according to the target requirement, so as to obtain the target configuration. For example, if the target vehicle type of the target vehicle is not networked, the corresponding requirement is that the 4G module is not needed, the target configuration is cancelled by the 4G module, the entertainment SOC selects the M3 series low performance chip M3N, and the DDR4 and EMMC storage is reduced, so that the cost is reduced, and various requirements are flexibly compatible.
It can be understood that the system further comprises a surround-view camera processing chip, the type of the surround-view camera processing chip can select MAX9286, four-path high-definition camera video input is decoded into a mipi format and input into the entertainment SOC for processing, meanwhile, the surround-view camera processing chip can synchronize four paths of videos to identify which four frames of pictures are at the same time, and the surround-view camera processing chip integrates four and time division multiplexing to transmit the four paths of camera videos into the host structure.
The step S10 includes:
step S101: and the entertainment system-level chip classifies the entertainment type data according to the target configuration to obtain first classified data.
It should be noted that, the entertainment type data is classified according to the target configuration, the entertainment information can be sorted according to the importance degree, and sent to the display screen 30, the first classification data may be the entertainment information corresponding to each importance degree level, and the display screen preferentially displays the entertainment information with a high importance degree.
In this embodiment, the entertainment system-on-chip obtains a target vehicle type of a target vehicle, searches for a corresponding target requirement according to the target vehicle type, performs module configuration according to the target requirement to obtain target configuration, and performs classification processing on the entertainment type data according to the target configuration to obtain first classification data, thereby eliminating unnecessary modules, reducing cost, and being flexible and compatible with various requirements.
Referring to fig. 5, fig. 5 is a schematic flow chart of a single central screen control domain control method according to a third embodiment of the present invention, and the third embodiment of the single central screen control domain control method according to the present invention is provided based on the first embodiment shown in fig. 3 or based on the second embodiment shown in fig. 4. This embodiment is explained based on the first embodiment shown in fig. 3.
In this embodiment, the single central screen control domain control system further includes: a micro control unit;
before the step S30, the method further includes:
step S201: and the micro control unit receives the first classified data and the second classified data, and respectively screens the first classified data and the second classified data to obtain respectively corresponding first screening data and second screening data.
It should be understood that the micro control unit receives the first classified data and the second classified data, sorts the first classified data according to the degree of importance to obtain a first sorted list, and sorts the second classified data according to the degree of importance to obtain a second sorted list. The method comprises the steps of obtaining a target specification of the display screen, calculating a first quantity of displayable first classified data and a second quantity of displayable second classified data according to a target rule, obtaining the first classified data of the first quantity arranged in the front from the first sorted list as first screening data, and obtaining the second classified data of the second quantity arranged in the front from the second sorted list as second screening data.
The step S30 includes:
step S301: and the display screen displays the first screening data and the second screening data in a subarea manner.
It can be understood that the display screen displays the running information and the entertainment information of the instrument in different areas, namely the running information and the entertainment information of the instrument are displayed in the display screen at the same time. The first screening data are entertainment information with higher importance degree, the second screening data are meter information with higher importance degree, and the first screening data and the second screening data are displayed in the display screen in a regional and simultaneous mode.
Further, in this embodiment, the single central screen control domain control system further includes: an image processing chip;
before the step S301, the method further includes:
the entertainment system-on-chip converts the first screening data into first image data.
It should be noted that, if the image is usually displayed on the display screen, the first screening data may be converted by the image processing chip to obtain the first image data, where the first image data is entertainment information with a higher importance level. The image processing chip has image detection and processing capability, can receive LVDS signals and outputs corresponding driving signals according to the specification of the display screen. The image processing chip can implement input graphics stream synchronous signal detection and output graphics stream synchronous signal detection, and can give an alarm notice in time when the input graphics stream or the output graphics stream has abnormal driving signals.
The meter system-on-chip converts the second screening data into second image data.
In a specific implementation, the second screening data is converted by the image processing chip to obtain the second image data, where the second image data is meter information with a higher importance degree. The image processing chip has a Serial Peripheral Interface (SPI) Flash (Flash) on-screen menu type adjustment mode (OSD) display data consistency detection function, has an SPI FLASH communication detection function, and can ensure the consistency of the SPI FLASH OSD graphic display. The image processing chip has an OSD display function at the same time, the OSD display has two functions of Internal OSD and SPI FLASH OSD, the Internal OSD is used for displaying character information, the SPI FLASH OSD is used for displaying some specific pictures, and TT pictures, display position coordinates, warning pictures and other information are prestored through the built-in SPI FLASH.
The image processing chip receives the first image data and the second image data, acquires a target specification of the display screen, and performs regional image splicing on the first image data and the second image data according to the target specification to obtain a spliced image.
It should be understood that the image processing chip integrates the driving display signal processed by the instrument SOC and the entertainment display signal processed by the entertainment SOC, and the integrity, reliability and stability of the image on the display screen are ensured according to a certain logic. And receiving the first image data and the second image data, acquiring a target specification of the display screen, and performing image splicing on the first image data and the second image data according to the target rule so that the spliced image can completely display the first image data and the second image data.
The step S301 includes:
and the display screen displays the spliced image.
It is understood that the stitched image includes the first image data and the second image data, the first image data is filtered entertainment information, and the second image data is filtered meter information. And displaying the spliced image on the display screen, thereby realizing the simultaneous display of the entertainment information and the instrument information.
In this embodiment, the image processing chip performs image stitching for the first image data and the second image data according to the target specification in a partitioned area, and further includes:
and the image processing chip performs cyclic redundancy check code check on the first image data and the second image data.
It should be noted that the image processing chip may perform Cyclic Redundancy Check (CRC) on the input graphic data stream, and may detect a dead screen, a patterned screen, and a black screen through CRC, thereby reducing a display screen image failure rate and improving user experience.
In this embodiment, the micro control unit receives the first classified data and the second classified data, and respectively filters the first classified data and the second classified data to obtain corresponding first filtered data and second filtered data, the display screen displays the first filtered data and the second filtered data in different regions, and displays the entertainment information and the meter information with higher importance degree in the display screen at the same time, so that the cost is low and the reliability is high; stiff screen, flower screen and black screen can be detected through cyclic redundancy check code check, the image failure rate of the display screen is reduced, and user experience is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third and the like do not denote any order, but rather the words first, second and the like may be interpreted as indicating any order.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g., a Read Only Memory (ROM)/Random Access Memory (RAM), a magnetic disk, an optical disk), and includes several instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A single central screen control domain control system, comprising: entertainment system level chip, instrument system level chip and display screen;
the entertainment system-level chip is used for acquiring entertainment type data, classifying the entertainment type data and acquiring first classified data;
the instrument system-level chip is used for acquiring instrument type data, classifying the instrument type data and acquiring second classified data;
the display screen is used for displaying the first classified data and the second classified data in a regional mode;
the single central control screen domain control system comprises an instrument operating system and an entertainment operating system;
the single central control screen domain control system further comprises: the image processing chip and the micro control unit are connected;
the micro control unit is used for receiving the first classified data and the second classified data, respectively screening the first classified data and the second classified data, and obtaining corresponding first screening data and second screening data;
the entertainment system-on-chip is further configured to convert the first screening data into first image data;
the instrument system-on-chip is further used for converting the second screening data into second image data;
the image processing chip is used for receiving the first image data and the second image data, acquiring a target specification of the display screen, and performing regional image splicing on the first image data and the second image data according to the target specification to obtain a spliced image;
the display screen is also used for displaying the spliced image.
2. The single center control screen domain control system of claim 1, wherein the entertainment system-on-chip is further configured to obtain a target vehicle type of a target vehicle, search for a corresponding target requirement according to the target vehicle type, perform module configuration according to the target requirement, and obtain a target configuration;
the entertainment system-level chip is further configured to classify the entertainment type data according to the target configuration to obtain first classified data.
3. The single central screen control area control system according to claim 1, wherein the display screen is further configured to display the first screening data and the second screening data in a partitioned manner.
4. The single centralized control screen domain control system of claim 1, wherein the image processing chip is further configured to perform cyclic redundancy check (crc) checking on the first image data and the second image data.
5. A single central screen control domain control method is based on a single central screen control domain control system, and the system comprises: entertainment system level chip, instrument system level chip and display screen; the single central control screen domain control method comprises the following steps:
the entertainment system-level chip acquires entertainment type data, and classifies the entertainment type data to acquire first classified data;
the instrument system-level chip acquires instrument type data, and classifies the instrument type data to acquire second classified data;
the display screen displays the first classified data and the second classified data in a regional mode;
the single central control screen domain control system comprises an instrument operating system and an entertainment operating system;
the single central control screen domain control system further comprises: the image processing chip and the micro control unit are connected;
the micro control unit receives the first classified data and the second classified data, and respectively screens the first classified data and the second classified data to obtain respectively corresponding first screening data and second screening data;
the entertainment system-on-chip converts the first screening data into first image data;
the meter system-on-chip converts the second screening data into second image data;
the image processing chip receives the first image data and the second image data, acquires a target specification of the display screen, and performs regional image splicing on the first image data and the second image data according to the target specification to obtain a spliced image;
and the display screen displays the spliced image.
6. The single central screen domain control method of claim 5, wherein the entertainment system-on-chip obtains entertainment type data, classifies the entertainment type data, and before obtaining the first classified data, the single central screen domain control method further comprises:
the entertainment system-level chip acquires a target vehicle type of a target vehicle, searches for a corresponding target requirement according to the target vehicle type, and performs module configuration according to the target requirement to obtain target configuration;
the entertainment system-level chip carries out classification processing on the entertainment type data to obtain first classification data, and the classification processing comprises the following steps:
and the entertainment system-level chip classifies the entertainment type data according to the target configuration to obtain first classified data.
7. The single central screen control area control method of claim 5, wherein the displaying of the first classified data and the second classified data by the display screen in a divided area includes:
and the display screen displays the first screening data and the second screening data in a subarea manner.
8. The single central screen control area control method according to claim 5, wherein before the image processing chip performs the image split-area image split-joint on the first image data and the second image data according to the target specification to obtain the split-joint image, the single central screen control area control method further comprises:
and the image processing chip performs cyclic redundancy check code check on the first image data and the second image data.
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| CN111708587A (en) * | 2020-08-24 | 2020-09-25 | 广州汽车集团股份有限公司 | Device and method for realizing multimode application of vehicle-mounted air conditioner screen display |
| CN113872838B (en) * | 2021-08-24 | 2024-04-05 | 爱驰汽车有限公司 | Vehicle-mounted control system and method, video data and audio data processing method |
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