CN117667714A - Antenna development environment integration real-time debugging method and system based on digital target machine - Google Patents
Antenna development environment integration real-time debugging method and system based on digital target machine Download PDFInfo
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Abstract
The invention relates to the technical field of development and debugging of airborne software, and provides a method and a system for integrating real-time debugging of a weather development environment based on a digital target machine. Wherein the method comprises the following steps: adding a flight simulation operation instruction transmitting and receiving interface in a weather operation system development environment; customizing an adaptive hardware virtual GMAC network card; configuring network settings of a digital target machine system; configuring digital target machine connection in a weather operating system development environment; directly compiling and running airborne software in a weather operating system development environment without real hardware; and directly debugging the airborne software in the development environment of the antenna operating system, and performing functional test on the airborne display software through the interaction instruction transmitting and receiving interface of the airborne software subsystem. The invention can dynamically customize the user test data and the corresponding interface, can complete the closed-loop verification of the function of the whole airborne software in the development environment of the antenna operating system, provides a visual data generation interface, and is convenient for generating data and checking test results.
Description
Technical Field
The invention relates to the field of development and debugging of airborne software, in particular to a method and a system for integrating real-time debugging of a weather development environment based on a digital target machine.
Background
With the rapid development of digital twin technology, the digital target machine becomes a feasible scheme for replacing a real target machine environment to finish the development and verification of the on-board software function.
The traditional on-board software development and debugging depend on real hardware, the hardware cost is high, the development and debugging efficiency is low due to limited hardware resources, and the cost and the development efficiency are greatly improved after the digital target machine is introduced. However, the current airborne software can only perform function verification on the digital target machine based on the compiled binary file, and once a problem occurs, the current airborne software needs to be modified, compiled and reloaded on the real hardware target machine for retesting, is troublesome to operate, needs to switch configuration back and forth among different software, and needs to perform different adaptation aiming at different hardware platforms, thereby being time-consuming and labor-consuming.
Disclosure of Invention
The invention solves the technical problems that:
the method solves the technical defects of scattered and complicated development and verification operations and low development and debugging efficiency of the current airborne software, and the problems of high hardware cost and labor cost.
The purpose of the invention is that:
the invention aims to provide a digital target machine-based integrated real-time debugging method and system for a weather development environment, which construct a weather operation system, an integrated middleware and a digital target machine closed-loop development and debugging digital system, solve the technical defects of scattered complexity of development and verification operation and low development and debugging efficiency of current airborne software, improve development and verification efficiency and reduce hardware cost and labor cost.
The technical scheme of the invention is as follows:
a novel digital target machine-based antenna operating system development environment integration real-time debugging technology comprises a dynamic instruction debugging interface plug-in and a general hardware virtual GMAC network card layer.
The dynamic instruction debugging interface plug-in is used for carrying out airborne software function test in the weather operating system development environment, dynamically loading the service data format to generate communication data of the interactive system, sending the communication data to the digital target machine, collecting data feedback of the digital target machine, analyzing the data feedback into service data for display, and conveniently confirming whether the airborne software function accords with design expectations.
The universal hardware virtual GMAC network card layer is adapted to various digital network cards to complete the control data interaction of the antenna operating system development environment and the digital target machine.
The dynamic instruction debugging interface plug-in completes the generation of customized test instruction data of different services of a user by dynamically loading corresponding configuration files.
The general hardware virtual GMAC network card layer automatically adapts to the corresponding digital network communication module according to the environment control command issued by the antenna operating system development environment and the digital target machine to finish data transmission from the antenna operating system development environment to the digital target machine.
The invention has the technical effects that:
1) User test data and corresponding interfaces may be dynamically customized.
2) The closed loop verification of the functions of the whole airborne software can be completed in the development environment of the antenna operating system.
3) And a visual data generation interface is provided, so that data can be conveniently generated and test results can be conveniently checked.
4) And opening the integrated flow of the on-board software based on the development, debugging and function verification of the digital target machine.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings required to be used in the embodiments of the present invention, and it is obvious that the drawings described below are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the system architecture of the present method;
FIG. 2 is a schematic diagram of a debug system of the present method;
fig. 3 is a schematic flow chart of the implementation of the method.
Wherein: a weather operating system development environment 1, an integrated middle layer 2 and a digital target machine 3,
the dynamic instruction debugging interface plug-in 11, the running debugging function module 12, the target machine connection setting 21, the general hardware virtual GMAC network card layer 22, the virtual bus 23, the internal bus 24, the virtual peripheral 31 and the virtual kernel 32.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without making any inventive effort are intended to fall within the scope of the present invention.
Features and exemplary embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention. The present invention is in no way limited to any particular arrangement and method set forth below, but rather covers any adaptations, alternatives, and modifications of structure, method, and device without departing from the spirit of the invention. In the drawings and the following description, well-known structures and techniques have not been shown in detail in order not to unnecessarily obscure the present invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other, and the embodiments may be referred to and cited with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The antenna embedded real-time operating system (hereinafter referred to as antenna operating system) is an operating system specially designed and developed for the embedded real-time system, and provides the programmer with the functions of efficient real-time multi-task and multi-process scheduling, interrupt/exception management, real-time inter-task communication and the like running on the multi-core processor platform.
The antenna operating system is used as an airborne multi-core embedded real-time operating system designed according to aviation application requirements, and can completely meet special requirements of strong real-time, high safety, high reliability, high certainty, tailorability, upgradeability and the like, which are provided by an airborne environment. By means of the capability support of the integrated development environment matched with the system, a user can rapidly complete the development, debugging and deployment of the embedded application based on the multiple cores.
Under the background, the real-time debugging is completed through integrating the development environment of the antenna operating system of the digital target machine, so that corresponding plug-in configuration is carried out in the development environment of the antenna operating system, and then the dynamic instruction debugging interface plug-in is utilized to flexibly generate relevant test instruction data, so that the data interaction from the development environment of the antenna operating system to the digital target machine is completed. The debugging method adopts the universal hardware virtual GMAC network card, can adapt to various real network card models, has higher compatibility and is more convenient to develop and debug.
Fig. 1 is a schematic diagram of the system architecture of the present method. As shown in fig. 1, the digital target machine-based antenna development environment integrated real-time debugging system comprises the following modules:
the antenna operating system development environment 1: the antenna operating system development environment is a plug-in development environment based on an Eclipse platform, and provides a series of plug-ins and tools to help a user to develop and debug on-board software more efficiently. Customizing a dynamic instruction debugging interface plug-in a development environment of a weather operating system to construct a management debugging command and an observation command execution result;
integration middle layer 2: the integrated middle layer opens configuration connection and data interaction between the context operating system development environment and the digital target machine. Constructing a target identification of a data transmission link and a packet sending, network transmission and analysis receiving protocol of different bus data;
digital target 3: the digital target machine uses a virtualization technology to package a chip, an SOC and external bus equipment, and adopts a building block type flexible construction mode to simulate the running environments of different airborne software.
Fig. 2 is a schematic diagram of a debugging system of the method. As shown in fig. 2, the system and the method for integrating real-time debugging of a weather development environment based on a digital target machine can comprise the following technical modules:
dynamic instruction debug interface plug-in 11: and the plug-in expansion interface is utilized to customize an interface and is used for carrying out airborne software function test in a weather operating system development environment, dynamically loading a service data format to generate communication data of the interactive system, sending the communication data to the digital target machine, collecting data feedback of the digital target machine, analyzing the data feedback into service data for display, and conveniently confirming whether the function accords with the expectation. The method comprises the steps of carrying out a first treatment on the surface of the
Running debugging function 12, integrating automation configuration and control script to implement one-key running, stopping, debugging, data sending and feedback collecting function buttons.
Target machine connection setting 21: configuring a corresponding network IP address and a port at a drive loading layer of the digital target machine to finish the connection setting of the target machine by referring to a real hardware using mode;
generic hardware virtual GMAC network card layer 22: the universal hardware virtual GMAC network card layer is adapted to various digital network cards, and is automatically adapted to a corresponding digital network communication module according to an environment control command issued by a vein operation system development environment and a digital target machine to complete data transmission from the vein operation system development environment to the digital target machine, and complete control data interaction of the vein operation system development environment and the digital target machine;
virtual bus 23: analyzing data transmitted by the digital target machine through a network or other transmission protocols, analyzing the data into different bus signals according to the virtual peripheral identification, and feeding the bus signals back to the debugging interface; grouping data according to the bus type setting of the debugging interface, and injecting the data into the digital target machine through a network or other transmission protocols;
internal bus 24: and finishing data exchange between the virtual network card and the digital target machine in a memory sharing mode.
Virtual peripheral 31: simulating peripheral bus function behaviors in a virtualization mode, including but not limited to serial ports, 1394, FC and the like, and constructing modularized digital peripheral construction primitives;
virtual kernel 32: and providing a configuration interface to load the tested software (executable code) to the onboard software digital target machine, and simulating an instruction analysis function to support the operation of the onboard software so as to complete the configuration of the debugging CPU environment.
Fig. 3 is a schematic flow chart of the implementation of the method. As shown in fig. 3, the system and method for integrating real-time debugging of a digital target machine-based antenna development environment may include the following steps:
s101, adding a flight simulation operation instruction (FC communication bus) transmitting and receiving interface in a weather operation system development environment;
a general dynamic library of configuration analysis architecture is provided, which can be used as an integrated plug-in of a development environment of a weather operating system to automatically identify the function menu to be loaded. And automatically analyzing the data format setting in the file according to the XML or EXCEL configuration file under the current directory to generate service data formats of different bus interfaces. The user can manually edit the generated data setting interface or automatically generate corresponding test instruction data through the generated data setting interface, and can select different transmission modes.
S102, customizing an adaptive hardware virtual GMAC network card;
the hardware virtual GMAC network card model device mainly comprises a GMAC register structure body, a GMAC register read-write function, a model device initialization function and a model communication interface function. The realization is realized by classes in Cpp files and h files with corresponding names.
The register structure is defined with reference to the GMAC manual and drivers, and its relative position and alignment is the same as that of real hardware. The structural storage of FC communication data frame descriptors of a transmit receive data buffer of a GMAC. The corresponding structures are also defined in advance according to manuals and drives.
The model initialization function initializes the GMAC register according to the reset value of the reference manual. The transmit receive FIFO is cleared.
Register read-write function registers to virtual target machine system service frame when initializing, when firmware read-write IO address locates in GMAC registered IO space, transfer relative offset address mode to call read-write function. The logic of reading and writing each address is realized by the function description in the manual, and other register value changes are processed together correspondingly. And the process for simulating DMA is realized by calling the read-write function of the system memory.
The communication interface function is registered to the system framework during initialization, and the network data is sent to the virtual network card through the interface. The data transmitted by the virtual network card also informs the GMAC model through the interface.
S103, configuring network settings of a digital target machine system;
and configuring corresponding network IP addresses and ports at a drive loading layer of the digital target machine according to the hardware configuration of the real target machine. And (5) completing compiling and loading of the corresponding hardware configuration layer.
S104, configuring digital target machine connection in a weather operating system development environment;
and newly establishing a target machine in the weather operating system development environment to connect and set corresponding network IP addresses and ports, wherein the target machine can be connected with real hardware or a digital target machine.
S105, directly compiling and running airborne software in a weather operating system development environment without real hardware;
and opening corresponding airborne software integration engineering in the weather operating system development environment to finish the compiling and loading of all the dependent hardware libraries and the operating system libraries of the airborne software development. And selecting a corresponding construction operation mode through a right key menu of the development environment of the antenna operating system, and separating from the real hardware to finish operation.
And S106, directly debugging the airborne software in the weather operating system development environment, and performing functional test on the airborne display software through an airborne software subsystem interaction instruction transmitting and receiving interface.
The setting of breakpoints and corresponding debugging operations can be directly completed through an intervention debugging function menu of the development environment of the antenna operating system. By referring to the design of the airborne software, corresponding test instructions are constructed, and other subsystems are simulated to complete the function test of the airborne software.
The invention can realize the separation from the real hardware environment, directly uses the digital target machine to develop the airborne software in the development environment of the antenna operating system, reduces the hardware cost and the uncertainty influence caused by the external environment of the hardware platform, realizes the closed-loop deterministic verification from the development to the function test, ensures the quality of the airborne software at the front end and improves the development efficiency of the airborne software.
It should be noted that, in the case of no conflict, those skilled in the art may flexibly adjust the order of the above-mentioned operation steps according to actual needs, or flexibly combine the above-mentioned steps. For brevity, various implementations are not repeated. In addition, the contents of the embodiments may be cited by reference to each other.
From the foregoing description of embodiments, those skilled in the art will clearly understand that each embodiment may be implemented by means of software plus necessary hardware platform, and may, of course, be implemented directly by means of hardware. Based on such understanding, the above technical solution may be embodied in software essentially or in part contributing to the prior art. The computer software may be stored in a computer readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc. The readable storage medium may store a program, instructions or the like that cause a computer device (e.g., a personal computer, a server, or a network device or the like) to perform the methods described in the various embodiments.
Those of skill in the art will appreciate that the individual program (functional) units and steps of execution described in connection with the embodiments disclosed herein can be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, whether the elements or steps of the above described aspects are implemented in hardware or software may depend on the particular application and design constraints of the technology. Those skilled in the art may implement the various embodiments using different methods for each particular application.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered in the scope of the present invention.
Claims (10)
1. The integrated real-time debugging method for the weather development environment based on the digital target machine is characterized by comprising the following steps of:
s101, adding a flight simulation operation instruction transmitting and receiving interface in a weather operation system development environment;
s102, customizing an adaptive hardware virtual GMAC network card;
s103, configuring network settings of a digital target machine system;
s104, configuring digital target machine connection in a weather operating system development environment;
s105, directly compiling and running airborne software in a weather operating system development environment without real hardware;
and S106, directly debugging the airborne software in the weather operating system development environment, and performing functional test on the airborne display software through an airborne software subsystem interaction instruction transmitting and receiving interface.
2. The method according to claim 1, characterized in that in step S101:
providing a general configuration analysis architecture dynamic library to be used as an integrated plug-in of a weather operating system development environment to automatically identify the function menu to be loaded;
according to the XML or EXCEL configuration file under the current directory, automatically analyzing the data format settings in the file to generate business data formats of different bus interfaces, manually editing and generating or automatically generating corresponding test instruction data through the data setting interface generated by loading, and selecting different transmission modes.
3. The method according to claim 1, characterized in that in step S102:
the hardware virtual GMAC network card model device comprises: the implementation of the GMAC register structure, the GMAC register read-write function, the model equipment initialization function and the model communication interface function is realized by classes in Cpp files and h files with corresponding names;
the register structure is defined with reference to the GMAC manual and drivers, and its relative position and alignment is the same as that of real hardware. The structural storage of FC communication data frame descriptors of a transmit receive data buffer of a GMAC. The corresponding structures are also defined in advance according to manuals and drives.
The model initialization function initializes the GMAC register according to the reset value of the reference manual. The transmit receive FIFO is cleared.
Register read-write function registers to virtual target machine system service frame when initializing, when firmware read-write IO address locates in GMAC registered IO space, transfer relative offset address mode to call read-write function. The logic of reading and writing each address is realized by the function description in the manual, and other register value changes are processed together correspondingly. And the process for simulating DMA is realized by calling the read-write function of the system memory.
The communication interface function is registered to the system framework during initialization, and the network data is sent to the virtual network card through the interface. The data transmitted by the virtual network card also informs the GMAC model through the interface.
4. The method according to claim 1, characterized in that in step S103:
and configuring corresponding network IP addresses and ports at a drive loading layer of the digital target machine according to hardware configuration of the real target machine, and completing compiling and loading of the corresponding hardware configuration layer.
5. The method according to claim 1, characterized in that in step S104:
and newly establishing a target machine connection in the development environment of the antenna operating system to set a corresponding network IP address and port so as to connect with real hardware or connect with a digital target machine.
6. The method according to any one of claims 1-5, characterized in that in step S105:
opening corresponding airborne software integration engineering in a weather operating system development environment to finish compiling and loading of all dependent hardware libraries and operating system libraries for the airborne software development;
and selecting a corresponding construction operation mode through a right key menu of the development environment of the antenna operating system, and separating from the real hardware to finish operation.
7. The integrated real-time debugging system of the weather development environment based on the digital target machine is characterized by comprising the following components:
the system comprises a weather operating system development environment (1), an integrated middle layer (2) and a digital target machine (3), wherein:
the antenna operating system development environment (1) is a plug-in type development environment based on an Eclipse platform, and is used for providing a series of plug-ins and tools to help a user to develop and debug airborne software more efficiently, and is also used for customizing a dynamic instruction debugging interface plug-in the antenna operating system development environment to construct a management debugging command and an observation command execution result;
the integrated middle layer (2) is used for connecting configuration connection and data interaction between a weather operating system development environment and a digital target machine in the integrated middle layer, and is also used for constructing target identification of a data transmission link and packet sending, network transmission and analysis receiving protocols of different bus data;
the digital target machine (3) is used for packaging a chip, an SOC and external bus equipment by using a virtualization technology, and simulating the running environments of different airborne software by adopting a building block type flexible construction mode.
8. The system of claim 7, wherein the antenna operating system development environment (1) comprises:
a dynamic instruction debugging interface plug-in (11) which utilizes a plug-in expansion interface custom interface to test the function of the airborne software in the environment of the antenna operating system development, dynamically loads the communication data of the service data format generation interaction system, sends the communication data to the digital target machine, collects the data feedback of the digital target machine, analyzes the data feedback into service data display, and conveniently confirms whether the function accords with the expectation;
and (3) operating the debugging functional module (12), and realizing one-key operation, stopping, debugging, data transmission and feedback acquisition functional buttons by utilizing the internal integrated automatic configuration and control script.
9. The system according to claim 7, wherein the integrated intermediate layer (2) comprises:
the target machine connection setting (21) is used for configuring corresponding network IP addresses and ports at a drive loading layer of the digital target machine by referring to a real hardware use mode to finish the target machine connection setting;
the universal hardware virtual GMAC network card layer (22) is used for adapting various digital network cards, automatically adapting corresponding digital network communication modules according to environment control commands issued by the antenna operating system development environment and the digital target machine to finish data transmission from the antenna operating system development environment to the digital target machine and finish control data interaction of the antenna operating system development environment and the digital target machine;
the virtual bus (23) is used for analyzing data transmitted by the digital target machine through a network or other transmission protocols, analyzing the data into different bus signals according to the virtual peripheral identification and feeding the different bus signals back to the debugging interface; grouping data according to the bus type setting of the debugging interface, and injecting the data into the digital target machine through a network or other transmission protocols;
and the internal bus (24) is used for completing data exchange between the virtual network card and the digital target machine in a memory sharing mode.
10. The system according to any of the claims 7-9, wherein the digital target (3) comprises:
the virtual peripheral (31) is used for simulating peripheral bus function behaviors in a virtualization mode and comprises a serial port, 1394 and FC, and a modularized digital peripheral building primitive is built;
and the virtual kernel (32) is used for providing a configuration interface to load the executable code of the tested software to the onboard software digital target machine, and simulating the operation of the onboard software supported by the instruction analysis function to complete the configuration of the CPU environment.
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