CN114780171A - Method for supporting vehicle-mounted function dynamic configuration of all links of research, production and marketing - Google Patents
Method for supporting vehicle-mounted function dynamic configuration of all links of research, production and marketing Download PDFInfo
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Abstract
The invention discloses a method for supporting vehicle-mounted function dynamic configuration in a full link of research, production and marketing, the function configuration tables corresponding to different vehicle types are summarized and stored, when research personnel designs and adjusts a certain vehicle type, the function configuration table corresponding to the vehicle type is obtained, so that research and development personnel can directly add, delete or modify the vehicle type, and then store the adjusted function configuration table, the research and development personnel can conveniently and timely adjust and debug each function without switching different design systems according to different vehicle types, the method can complete the function configuration of the vehicle-mounted terminal carrying systems of different vehicle types under different vehicle systems, greatly shortens the research, development and debugging time, improves the research and development efficiency, and aims to provide the differentiated configuration from research, development and production to the configuration of the vehicle-mounted function modules of the after-sale full link of the user.
Description
Technical Field
The invention relates to the field of automobile intelligent design, in particular to a method for supporting dynamic configuration of vehicle-mounted functions in a research, production and marketing full link.
Background
The existing automobile industry tends to be 'intelligent' increasingly, more and more vehicles are carried with intelligent vehicle-mounted machine systems, and the vehicle-using experience of users is greatly enriched. On one hand, with the more and more richness and diversity of the host factory to the vehicle-mounted functions, the vehicle type updating iteration of the whole vehicle is very quick; on the other hand, the demand of users for personalized satisfaction and customized functions is becoming stronger.
Therefore, the original single vehicle-mounted function, namely the set inherent function mode when leaving the factory, is difficult to meet various and personalized market requirements, namely different vehicle-mounted functions are switched on or off according to personal preference of a user; the requirement that the same vehicle system carries different configured vehicle types by using the same vehicle-mounted system is difficult to meet in a factory production line, and the production line needs to be frequently switched according to vehicle type selection and installation functions; meanwhile, the same car machine system is used in the research and development process, and inconvenience is brought to the function development and debugging of different car types.
Patent CN2021102012304 discloses a vehicle-mounted function configuration method, which focuses on the use of different users, and configures the function switch state according to different drivers of the same vehicle and independent account information differentiation, and only can adjust the function from the vehicle-mounted terminal, which cannot solve the difficulty encountered in the initial design stage of the vehicle.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, an object of the present invention is to provide a method for supporting dynamic configuration of vehicle functions in a research, production and marketing full link, so as to solve the problems in the prior art that the vehicle functions are fixed singly, development and debugging of functions of different vehicle models are inconvenient in the initial stage of vehicle design, and a factory production line is difficult to meet the requirement that different configured vehicle models of the same vehicle family are loaded with the same vehicle system.
In order to solve the technical problem, the invention adopts the following technical scheme:
a method for supporting vehicle-mounted function dynamic configuration in a research, production and marketing full link comprises the following steps:
s1: according to design requirements, a function configuration table is formulated for restraining and defining specific functions;
s2: setting corresponding configuration codes through a function configuration table established by S1, and storing the configuration codes into a storage space;
s3: switching different vehicle types, acquiring function configuration codes corresponding to the vehicle types, analyzing the functions of the configuration codes, adding, deleting or modifying the configuration codes, storing the configuration codes into the function configuration of the corresponding vehicle type in the storage space, and uploading the configuration codes to the cloud;
s4: writing the function configuration codes corresponding to all vehicle types in the storage space into the vehicle-mounted terminal;
s5: after the vehicle-mounted terminal is started, obtaining offline configuration service cache data and judging whether a local cache exists or not; if the local cache exists, analyzing the cached vehicle type configuration; if no local cache exists, the default vehicle model function configuration code is used.
Compared with the prior art, the invention has the following beneficial effects:
1. the method of the invention collects and stores the function configuration tables corresponding to different vehicle types at the beginning of vehicle design, and when a research and development personnel designs and adjusts a certain vehicle type, the function configuration table corresponding to the vehicle type is obtained, so that the research and development personnel can directly add, delete or modify the vehicle type, and then store the adjusted function configuration table, and the research and development personnel can conveniently and timely adjust and debug each function without switching different design systems according to different vehicle types.
2. By the method, a factory production line can directly complete writing of the function configuration codes, the requirement that different configured vehicle types of the same vehicle series are carried by the same vehicle-mounted system is met, and the production line does not need to be frequently switched according to vehicle type selection functions.
3. The method can also update the system function on the vehicle-mounted terminal in time according to the change of the function configuration code, and in the using process of a user, the function configuration code is requested to be updated to the background of the Internet of vehicles in a remote upgrading mode, or the vehicle background is appointed to remotely issue the function configuration code of a specific vehicle type, and the function configuration code is modified and updated to the storage space through the configuration service.
Drawings
FIG. 1 is a diagram illustrating an exemplary definition of one byte of function configuration code according to the present invention.
Fig. 2 is an overall framework diagram of the full link configuration of the function item configuration in the present invention.
Fig. 3 is a schematic diagram of the offline configuration service of the function dynamic configuration core of the present invention.
Fig. 4 is a flowchart illustrating the overall implementation of the offline configuration service according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, the described embodiments should not be considered as limiting the present invention, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.
The invention provides a method for supporting vehicle-mounted function dynamic configuration in a research, production and marketing full link, which is based on an Android system and comprises the following steps:
s1: according to design needs, a function configuration table is established for restricting and defining specific functions. The function configuration table comprises item types, vehicle type categories and all function item sets of all vehicle types.
S2: and setting corresponding configuration codes through the function configuration table established in the S1, and storing the configuration codes into the storage space. And generating a corresponding configuration code according to the function configuration table, wherein the configuration code is composed of bytes, and the number of bytes with different lengths is configured according to the number of functions.
As shown in fig. 1, the function difference flag is implemented by a function configuration code, the configuration code is composed of bytes, 1 byte =8 bits, and the presence or absence of one function can be specified by "0/1" in units of one Bit. In fig. 1, S101 is a serial number of one byte, and generally, the function of the same byte is a related direction function, and the number of bytes with different lengths may be configured according to the number of functions. S102 is a Bit serial number (the sequence starts from 0, and meets the programming language habit) in one byte. And S103, configuring a name for the function, wherein the research and development personnel can correspond to the actual development function according to the name. S104 is a detailed description of function assignment, and the combination of Bit bits can realize the description of multi-energy assignment (more than 2 assignments). Of course, the configuration code also needs to include an item code or code, and vehicle type category information for identifying the vehicle type category.
S3: switching different vehicle types, acquiring function configuration codes corresponding to the vehicle types, analyzing the functions of the configuration codes, adding, deleting or modifying the configuration codes, storing the configuration codes into the corresponding vehicle type function configuration in the storage space, and uploading the configuration codes to the cloud.
As shown in fig. 2, the MCU module in S210 is configured to store, update, and query the function configuration codes, and because the function configuration codes have a permanent storage space, the function configuration codes are not easily lost (including operations such as restoring the car system to factory settings), are connected to the car body controller and the car system, and are convenient for direct brushing-down configuration in factory production without starting the car system. This example includes, but is not limited to, this storage. S210 connects to the Car machine system through the serial SPI, and synchronizes the data to the offline configuration service through the Car module of the Car machine system (S222) (S223). Meanwhile, the MCU stores the change of the data in the area, and has the capability of providing notification or broadcast to the outside, namely the storage data is changed and the relevant parties such as S223 and the like need to be notified in time.
And S223, taking the offline configuration service as the core of the embodiment, mainly taking charge of acquiring the vehicle type function configuration code stored in the S210, analyzing the configuration code function, and uniformly providing the vehicle type function configuration code to an upper application layer for use. S233 serves a Framework layer of the Android car machine system and provides SDK interface query reading function configuration for external applications. Meanwhile, S223 also needs to satisfy the function of modifying the configuration code, acquire the new configuration code, and write the new configuration code to the configuration code storage area of S210 through the Car module. The data source is updated, the data source is from the background of the Internet of vehicles, the specified vehicle is informed through the 4G network to refresh and modify the function configuration code, and the Internet of vehicles configuration function adds and deletes the function configuration according to the user requirements, so that the differentiation requirements of the user are met.
S201, through application of an internal tool of an engineering mode APK (S221) integrated by a vehicle machine system, a research and development worker can freely switch function configuration codes of project vehicle types, the configuration code change is received through a Car module MCU, the configuration change stored by the MCU is notified to an offline configuration service through a Car module via an SPI, and the offline configuration service refreshes the configuration code change.
The method of the invention collects and stores the function configuration tables corresponding to different vehicle types at the beginning of vehicle design, and when a research and development personnel designs and adjusts a certain vehicle type, the function configuration table corresponding to the vehicle type is obtained, so that the research and development personnel can directly add, delete or modify the vehicle type, and then store the adjusted function configuration table, and the research and development personnel can conveniently and timely adjust and debug each function without switching different design systems according to different vehicle types.
S4: and writing the function configuration codes corresponding to the vehicle models in the storage space into the vehicle-mounted terminal. And directly writing the function configuration codes corresponding to the vehicle models into the corresponding vehicle-mounted terminals according to the flash agreed protocol by directly interacting with the MCU storage space. As shown in fig. 2, in S202, the factory production process is similar to the research and development process in that the flashing modification function configuration code is changed into a diagnostic instrument tool of the production line, the diagnostic instrument tool directly interacts with the MCU module, directly flashes data to the MCU storage area according to the flashing agreed protocol, and then notifies the offline configuration service.
By the method, the factory production line can directly complete the writing of the function configuration code, the requirement that different configured vehicle types of the same vehicle series are carried by the same vehicle-mounted system is met, and the production line does not need to be frequently switched according to the vehicle type selecting and loading functions.
S5: after the vehicle-mounted terminal is started, obtaining offline configuration service cache data and judging whether a local cache exists or not; if the local cache exists, analyzing the cached vehicle type configuration; if no local cache exists, the default vehicle model function configuration code is used. When the vehicle-mounted terminal receives the MCU configuration code monitoring and returning, the vehicle-mounted terminal judges whether the MCU configuration code monitoring and returning is consistent with the local cache configuration code, if the MCU configuration code monitoring and returning is different from the local cache configuration code monitoring and returning, the vehicle-mounted terminal updates and downloads a new configuration code and stores the new configuration code to the local, and meanwhile, the electric detection code is refreshed to each application on the vehicle-mounted terminal.
As shown in fig. 3 and 4, the offline configuration service is in the Android system Framework layer, and provides a service for querying a function configuration difference for each upper layer application. The car machine system is started, and the service is started automatically. And meanwhile, acquiring a local cache function configuration code of the offline configuration service, and performing change monitoring and registration on a far-end vehicle network background configuration task from the function configuration code of the MCU module through the Car module. Firstly, pulling off the offline configuration service cache data, judging whether a local cache exists, analyzing the cache vehicle type configuration if the local cache exists, and informing an application function configuration code of being ready to provide SDK calling if a default vehicle type function configuration code does not exist. And when the MCU function configuration code monitoring callback is received, judging whether the MCU function configuration code monitoring callback is consistent with the local cache configuration code, and if the MCU function configuration code monitoring callback is different from the local cache configuration code, updating the offline configuration service local cache data and refreshing the electric inspection code to each application. Meanwhile, if a background configuration task of the Internet of vehicles is received, the latest second configuration code of the background is pulled and written into the MCU. It should be noted that, in this embodiment, the priority of the car networking background function configuration code data is set to be the highest, and when other data updates exist at the same time, the car networking configuration code is taken as the standard. In addition, the configuration code is changed, and the vehicle machine is restarted once, so that the problem of cache of the application layer function is guaranteed to be solved.
The method can also update the system function on the vehicle-mounted terminal in time according to the change of the function configuration code, and in the using process of a user, the function configuration code is requested to be updated to the background of the Internet of vehicles in a remote upgrading mode, or the vehicle background is appointed to remotely issue the function configuration code of a specific vehicle type, and the function configuration code is modified and updated to the storage space through the configuration service.
As described above, the reminding system of the present invention is not limited to the configuration, and other systems capable of implementing the embodiments of the present invention may fall within the protection scope of the present invention.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.
Claims (7)
1. A method for supporting vehicle-mounted function dynamic configuration in a research, production and marketing full link is characterized by comprising the following steps:
s1: according to design requirements, a function configuration table is formulated for restraining and defining specific functions;
s2: setting corresponding configuration codes through a function configuration table established by S1, and storing the configuration codes into a storage space;
s3: switching different vehicle types, acquiring a function configuration code corresponding to each vehicle type, analyzing a configuration code function, adding, deleting or modifying the configuration code, storing the configuration code into the function configuration of the corresponding vehicle type in a storage space, and uploading the configuration code to a cloud end;
s4: writing the function configuration codes corresponding to all vehicle types in the storage space into the vehicle-mounted terminal;
s5: after the vehicle-mounted terminal is started, obtaining offline configuration service cache data and judging whether a local cache exists or not; if the local cache exists, analyzing the cached vehicle type configuration; if no local cache exists, the default vehicle model function configuration code is used.
2. The method of claim 1, wherein in S1, the function configuration table comprises item types, vehicle type categories, and all function item sets of each vehicle type.
3. The method of claim 1, wherein in step S2, corresponding configuration codes are generated according to the function configuration table, the configuration codes are composed of bytes, and bytes with different lengths are configured according to the number of functions.
4. The method for supporting dynamic configuration of vehicular functions in a full link of research, production and marketing according to claim 1, wherein in S2, the configuration code is stored in the storage area of the MCU, and notification prompt is enabled when the stored data changes.
5. The method according to claim 4, wherein in S3, the Car module adds, deletes or modifies the configuration code in the MCU storage space, the MCU storage space receives the configuration code change through the CAR module, and then notifies the offline configuration service through the SPI and the Car module, and the offline configuration service updates the changed configuration code.
6. The method for supporting dynamic configuration of vehicular functions in a research, production and marketing full link according to claim 4, wherein in S4, the method directly writes the function configuration code corresponding to each vehicle type into the corresponding vehicular terminal according to the write-through agreement by directly interacting with the MCU storage space.
7. The method according to claim 1, wherein in step S5, when the vehicle-mounted terminal receives the MCU configuration code monitoring response, the vehicle-mounted terminal determines whether it is consistent with the local cache configuration code, if there is a difference, the vehicle-mounted terminal updates and downloads the new configuration code and stores the new configuration code locally, and meanwhile, refreshes the electrical inspection code to each application on the vehicle-mounted terminal.
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| CN202210391152.3A CN114780171B (en) | 2022-04-14 | Method for supporting vehicle-mounted function dynamic configuration in full-link of research, production and sale |
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| CN202210391152.3A CN114780171B (en) | 2022-04-14 | Method for supporting vehicle-mounted function dynamic configuration in full-link of research, production and sale |
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