CN114924710A - Method for constructing MACL (MACL model Association) based on AUTOSAR (automotive open System architecture) - Google Patents
Method for constructing MACL (MACL model Association) based on AUTOSAR (automotive open System architecture) Download PDFInfo
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- CN114924710A CN114924710A CN202210240056.9A CN202210240056A CN114924710A CN 114924710 A CN114924710 A CN 114924710A CN 202210240056 A CN202210240056 A CN 202210240056A CN 114924710 A CN114924710 A CN 114924710A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a method for constructing MACL (machine learning language) based on AUTOSAR (automotive open system architecture). A standard layer matched with the AUTOSAR is arranged; setting a bottom driving layer containing a chip driving package; and setting a calling interface layer for realizing that the standard layer calls the data of the chip driving package of the bottom driving layer. According to the method for constructing the AUTOSAR-based MACL, the independent bottom driving layer capable of flexibly increasing and decreasing the chip driving package is arranged, and the calling interface layer suitable for calling the chip data package of the bottom driving layer by the standard layer is arranged, so that the problems that the universality of the MCAL of different manufacturers or the MCAL of different platforms of the same manufacturer is poor, and the personnel investment and the cost use of both the supplier and the supplier of the chip are high are solved.
Description
Technical Field
The invention relates to a method, in particular to a MACL construction method based on AUTOSAR.
Background
At present, the development of the vehicle-mounted domain controller is based on a software Architecture of Autosar (AUTomotive Open System Architecture).
Mcal (Microcontroller Abstraction Layer) is located at the bottom Layer of basic software in the Autosar software architecture, and is a bottom Layer driver capable of directly accessing MCU (Microcontroller Unit) registers and internal peripherals. The purpose of the division is to make upper layer software (such as an ECU abstraction layer, a system service layer and the like) independent of an MCU hardware platform, and ensure the standardization and the universality of the upper layer software.
However, in the actual development process, chips of different manufacturers may be used in different projects or different stages (e.g., development stage and mass production stage) of the same project, or chips of different platforms of the same manufacturer may be used for cost reduction. Basically, each manufacturer can have its own development style and mode, and even chips of different platforms of the same manufacturer can adopt independent MCAL driver packages.
Therefore, for a chip demand party, chips of different manufacturers or chips of different platforms of the same manufacturer need to be switched, corresponding driver packages need to be purchased, and code configuration and integration are carried out again, so that purchasing cost is increased. For the chip supplier, if each update of the AUTOSAR version requires updating the MCAL of each platform version, the maintenance cost is also high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a construction method of MACL based on AUTOSAR.
The construction method of the MACL based on AUTOSAR comprises the steps of setting a standard layer matched with the AUTOSAR;
setting a bottom driving layer containing a chip driving package;
and setting a calling interface layer for realizing that the standard layer calls the data of the chip driving package of the bottom driving layer.
In the method for constructing the AUTOSAR-based MACL, the bottom driving layer adds the corresponding chip driving packages according to the attribute information of the used chips.
In the method for constructing the AUTOSAR-based MACL, the calling interface layer correspondingly adds the corresponding calling interface according to the added chip drive package.
According to the method for constructing the MACL based on AUTOSAR, the problems of poor universality of MCAL of different manufacturers or MCAL of different platforms of the same manufacturer and high personnel investment and cost use of both supply and demand sides of the chip are solved by arranging the independent bottom driving layer capable of flexibly increasing and decreasing the chip driving packages and the calling interface layer suitable for calling the chip data packages of the bottom driving layer by the standard layer.
Drawings
FIG. 1 is a schematic diagram of a MACL in the method for constructing the AUTOSAR-based MACL according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in fig. 1, in order to solve the problem of poor versatility of MACLs of different manufacturers or MACLs of different platforms of the same manufacturer, the method for constructing a MACL based on an AUTOSAR according to the present invention sets a standard layer matched with the AUTOSAR, and can implement interfaces related to MACL and AUTOSAR specifications through the standard layer, thereby satisfying development of subsequent software functions; moreover, for both parties of the AUTOSAR supply and demand, the interface form of simplified data can be standardized, and the parties only need to maintain the same standard layer.
In addition, a bottom driving layer containing a chip driving package is also arranged. The bottom driving layer in the invention can correspondingly increase corresponding chip driving packages according to the type of the used chip, namely the attribute information of the chip. That is, when different chip manufacturers or different platform chips of the same chip manufacturer are adopted, since the bottom layer driving layer is independent of the standard layer, the chip driving packages corresponding to the chip types can be flexibly and simply increased or decreased.
Corresponding to the bottom driving layer, the invention also provides a calling interface layer for realizing that the standard layer calls the data of the chip driving package of the bottom driving layer. Through the calling interface layer, the data calling of the chip driving package of the bottom driving layer by the standard layer is realized, and particularly, when the adopted chip driving package is changed, the data calling of the chip driving package can be realized under the condition that the standard layer is not changed, so that the development and purchase cost can be saved.
It should be noted that the calling interface layer is to implement data calling of the chip drive package of the bottom drive layer by the standard layer even when the chip drive package changes, and then an interface function of the calling interface layer should be matched with the data type of the chip drive package of the bottom drive layer, that is, when the chip drive package of the bottom drive layer is increased or decreased, the calling interface layer should increase or decrease the corresponding calling interface according to the increase or decrease of the chip drive package.
According to the method for constructing the MACL based on AUTOSAR, the problems of poor universality of MCAL of different manufacturers or MCAL of different platforms of the same manufacturer and high personnel investment and cost use of both supply and demand sides of the chip are solved by arranging the independent bottom driving layer capable of flexibly increasing and decreasing the chip driving packages and the calling interface layer suitable for calling the chip data packages of the bottom driving layer by the standard layer.
While embodiments of the invention have been described above, it is not intended to be limited to the details shown, described and illustrated herein, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent that such modifications are readily available to those skilled in the art, and it is not intended to be limited to the details shown and described herein without departing from the general concept as defined by the appended claims and their equivalents.
Claims (3)
1. A MACL construction method based on AUTOSAR is characterized in that a standard layer matched with AUTOSAR is set;
setting a bottom driving layer containing a chip driving package;
and setting a calling interface layer for realizing that the standard layer calls the data of the chip drive package of the bottom drive layer.
2. The method for building the AUTOSAR-based MACL according to claim 1, wherein the bottom driver layer adds corresponding chip driver packages according to the attribute information of the chips used.
3. The AUTOSAR-based MACL construction method of claim 2, wherein the calling interface layer correspondingly adds a corresponding calling interface according to the added chip driver package.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210240056.9A CN114924710A (en) | 2022-03-12 | 2022-03-12 | Method for constructing MACL (MACL model Association) based on AUTOSAR (automotive open System architecture) |
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| CN202210240056.9A CN114924710A (en) | 2022-03-12 | 2022-03-12 | Method for constructing MACL (MACL model Association) based on AUTOSAR (automotive open System architecture) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116820798A (en) * | 2023-05-23 | 2023-09-29 | 广州汽车集团股份有限公司 | Data processing method and device and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116820798A (en) * | 2023-05-23 | 2023-09-29 | 广州汽车集团股份有限公司 | Data processing method and device and vehicle |
| CN116820798B (en) * | 2023-05-23 | 2024-06-11 | 广州汽车集团股份有限公司 | Data processing method and device and vehicle |
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