CN106855835B - XML technology-based power-on self-detection method for flight control system - Google Patents
XML technology-based power-on self-detection method for flight control system Download PDFInfo
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- CN106855835B CN106855835B CN201510894318.3A CN201510894318A CN106855835B CN 106855835 B CN106855835 B CN 106855835B CN 201510894318 A CN201510894318 A CN 201510894318A CN 106855835 B CN106855835 B CN 106855835B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2284—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing by power-on test, e.g. power-on self test [POST]
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Abstract
The invention relates to a method for automatically detecting the power-on starting of a flight control system, in particular to a method for automatically detecting the power-on starting of the flight control system based on an XML technology. The method mainly integrates detection item codes required by the PUBIT of the flight control system into a standard library, manages and calls the required PUBIT detection items through an XML technology, generates a target code XML control file according to the called PUBIT detection items, and generates a target code matched with the flight control system based on the target code XML control file. Compared with the prior manual coding mode, when the power-on starting self-detection function of the novel machine type is designed, the method manages and calls the code module through the XML technology, improves the software reusability, saves the software development time and the verification time, and improves the development efficiency.
Description
Technical Field
The invention relates to a method for automatically detecting the power-on starting of a flight control system, in particular to a method for automatically detecting the power-on starting of the flight control system based on an XML technology.
Background
The self-test in the power-on starter (PUBIT, hereinafter abbreviated to replace the self-test in the power-on starter) in the fly-by-wire flight control system is a self-test mode aiming at detecting the integrity of the hardware of a flight control computer in the power-on process, and plays an important role in the take-off safety of an airplane. In the past, PUBIT was developed and designed mainly around the demand function, and since the demand functions are not exactly the same for different airplane models, a new manual encoding is required for each model. Even for the same requirement, different designers have different software codes due to different code styles, and finally the test and verification cost is increased.
Disclosure of Invention
The technical problem solved by the invention is as follows: the method for automatically detecting the power-on starting of the flight control system based on the XML technology is efficient.
The technical scheme of the invention is as follows: the method mainly integrates detection item codes required by the PUBIT of the flight control system into a standard library, manages and calls the required PUBIT detection items through an XML technology, generates a target code XML control file according to the called PUBIT detection items, and generates a target code matched with the flight control system based on the target code XML control file.
As an improvement of the present technical solution, the method comprises the following steps:
step one, collecting detection item codes required by a flight control system PUBIT into a standard library, and establishing an XML file crosslinked with the standard library;
extracting corresponding detection item contents from the standard library according to the requirement of power-on self-detection of the flight control system to generate an object code XML control file;
and thirdly, generating a target code matched with the flight control system based on the target code XML control file.
As an improvement of the technical scheme, the XML file content crosslinked with the standard library file comprises a function name, a file storage path and a file name, a module calling mode, a module description, a test fault code and a macro definition of a related address and data.
As an improvement of the technical scheme, when corresponding detection item content is extracted from the standard library, the needed PUBIT test items are manually selected in an interface interaction mode, and the parameters of each test item can be configured and changed according to requirements.
As an improvement of the technical scheme, the content of the target code XML control file comprises a calling function body, a calling method, a function declaration method, a fault code and configuration information specific to the test item.
And step three, as an improvement of the technical scheme, the target code matched with the flight control system is obtained by mainly classifying and outputting the content of the XML control file to a header file and a c file.
The invention has the beneficial effects that: first, development efficiency is high. When the power-on starting self-detection function of a new machine type is designed, compared with the traditional manual coding mode, the method manages and calls the code module through the XML technology, improves the software reusability, saves the software development time and the verification time, and improves the development efficiency;
secondly, the applicability is strong. The standard library content involved in the method is mostly general test content, and the method can be widely applied to various types of unmanned aerial vehicles, manned machines and the like;
and finally, the expansibility is strong. By adopting the XML-based technology, the test module in the code base can be expanded at any time so as to be suitable for more requirement designs.
Drawings
FIG. 1 is a diagram: a flow chart of the detection method.
Detailed Description
The technical solution is further explained in detail with reference to the drawings.
The method mainly integrates detection item codes required by the PUBIT of the flight control system into a standard library, manages and calls the required PUBIT detection items through an XML technology, generates a target code XML control file according to the called PUBIT detection items, and generates a target code matched with the flight control system based on the target code XML control file.
The overall architecture of the present invention is shown in fig. 1, and the contents thereof mainly include: the method comprises the steps of a standard library of a PUBIT detection module, an XML file crosslinked with the library, selection and module configuration of a test module, generation of an XML control file of a target code and generation of the target code.
Establishing a standard library of a PUBIT detection module and an XML file crosslinked with the library:
selecting a universal module in a PUBIT design case, wherein the universal module comprises the following components: the system comprises a PUBIT initialization module, a fault declaring module and a PUBIT detection module (a CPU test, an RAM test, an NVRAM test, an ROM test, a power supply test, a CCDL test, a software version number test, a channel number test, a timer interrupt test and a watchdog test), wherein functions corresponding to the modules are respectively stored in a file c. For the convenience of reference, the file name is consistent with the function name of the module, and the module content saved by the file can be directly known through the file name (for example, the CPU detects that the function name is s _ bit _ CpuTst, and the file name saved by the function name is pubt _ cpu.c).
And after the corresponding detection module in the library file is determined, establishing an XML file corresponding to the library file. And storing a function declaration method, a corresponding function saving path, a function description, a fault code, a calling mode, a fault bit definition and other related contents in the XML file for each module.
Taking the RAM test as an example, the storage contents in the XML file are as follows:
2. test module selection and module configuration
In practical applications, different PUBIT design requirements may be required for different aircraft models. Aiming at conventional test contents, based on the established PUBIT standard library and a man-machine interaction tool, the selection of the required modules can be quickly completed, and related parameters (fault codes, test addresses and the like) in each module are configured.
In the PUBIT design case, the designed tool based on the human-computer interaction interface can read the XML file content corresponding to the PUBIT standard library. After the user selects the corresponding test content on the tool, the interface displays all the contents stored in the XML file by the corresponding test item, including function statement, function body, fault code, fault bit definition and other macro definitions. According to the actual requirements of airplane design, a designer can directly change and store the parameter configuration on the interface.
3. Object code XML control file generation
For each PUBIT test item selected by the user, after parameter configuration is changed, the tool writes the related content into an XML file corresponding to the target code. The XML file contains the test module function body, the function calling method, the function declaration, the fault code definition, the fault bit definition and other definitions of the test item (such as the related address, the global variable definition, etc.). The generated XML file is mainly used for final code generation.
The XML file format corresponding to the object code is as follows:
every time the user determines that the configuration completes one test content, the related content is automatically written into the XML file through the tool. After the module selection configuration is finished, the XML file is completely and automatically generated, and a user does not need to make other changes.
4. Object code generation
Analyzing the XML file corresponding to the target code, and outputting the contents of all the test items according to the categories: respectively clustering the contents of fault codes, address definitions, global variable statements, function statements and the like of all test items in the file and writing the contents into a header file; outputting the test module function body to a C file; and outputting the calling codes of the modules to a main scheduling function of the C file according to a certain sequence. And finally generating a header file and a C file to obtain a self-detection target code in the electric starter on the flight control system meeting the actual requirement, wherein the code can be directly used for testing and verifying the flight control system.
Claims (5)
1. A method for automatically detecting the power-on starting of a flight control system based on an XML technology is characterized by comprising the following steps: the method mainly integrates detection item codes required by the PUBIT of the flight control system into a standard library, manages and calls the required PUBIT detection items through an XML technology, generates a target code XML control file from the called PUBIT detection items, and generates a target code matched with the flight control system based on the control file, and the method comprises the following steps:
step one, collecting detection item codes required by a flight control system PUBIT into a standard library, and establishing an XML file crosslinked with the standard library;
extracting corresponding detection item contents from the standard library according to the requirement of power-on self-detection of the flight control system to generate an object code XML control file;
and thirdly, generating a target code matched with the flight control system based on the target code XML control file.
2. The power-on self-detection method for the flight control system based on the XML technology as claimed in claim 1, wherein the power-on self-detection method comprises the following steps: the XML file content cross-linked with the standard library comprises function names, file storage paths and file names, module calling modes, module descriptions, test fault codes and relevant addresses, and macro definitions of data.
3. The power-on self-detection method for the flight control system based on the XML technology as claimed in claim 1, wherein the power-on self-detection method comprises the following steps: when corresponding detection item contents are extracted from the standard library, the needed PUBIT test items are manually selected in an interface interaction mode, and the parameters of each test item can be configured and changed according to requirements.
4. The power-on self-detection method for the flight control system based on the XML technology as claimed in claim 1, wherein the power-on self-detection method comprises the following steps: the content of the target code XML control file comprises a calling function body, a calling method, a function declaration method, a fault code and configuration information specific to the test item of the test item.
5. The power-on self-detection method for the flight control system based on the XML technology as claimed in claim 1, wherein the power-on self-detection method comprises the following steps: and step three, the target code matched with the flight control system is obtained by classifying and outputting the content of the XML control file to a header file and a file c.
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| CN112363481B (en) * | 2020-10-26 | 2022-02-22 | 中国商用飞机有限责任公司 | Post-flight self-inspection control device and control method of fly-by-wire flight control system |
| CN113075492A (en) * | 2021-04-27 | 2021-07-06 | 亿航智能设备（广州）有限公司 | Power-on management system and power-on management method of aircraft |
| CN113759873B (en) * | 2021-09-01 | 2023-05-23 | 中国航空工业集团公司西安飞行自动控制研究所 | Method for handling self-detection faults in motor of flight control system |
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