嵌入式軟件開放式開發(fā)技術(shù)研究
[Abstract]:With the rapid development of mobile Internet, the social life demands more and more functions of embedded system. The software scale of embedded system is expanding day by day, and the software complexity is increasing. The traditional embedded system software development mode can not keep up with the speed of the replacement of embedded devices. In order to meet the needs of embedded system software development, open software development environment has become an inevitable trend of embedded system software development. The open environment is conducive to rational division of labor, the division of labor and cooperation in the entire industrial chain, their respective focus on the areas of expertise, the completion of all aspects of product development and production, the reduction of unnecessary duplication of links and the consumption of resources, and the acceleration of the product R & D cycle. Improve system stability and ensure product quality. According to the open requirement of embedded system software development environment, a lightweight application development environment is proposed. The whole software system is divided into several separate modules according to its function, which is implemented in an independent process. Then the unified interface provided by message bus is used to communicate and cooperate to form an organic whole. Through the message bus as the intermediate layer, the internal modification of each functional module remains completely transparent, and the addition of the module does not affect the original system, so that each module in the system can be flexibly configured. The good expansibility of the system is ensured. A set of high-level graphics library is designed for embedded system. The basic part of graphic component realization, graphics drawing and message processing are abstracted and encapsulated in order to add advanced graphics control flexibly. Greatly simplifies the embedded system graphics application design. Then the main part of the embedded application program is sorted out by combining the two through the message, which simplifies the implementation of the embedded system application program and improves the development efficiency. Finally, the public key mechanism is used to sign the application software, verify the trusted source of the application software upgrade package, thus the whole application system has a certain degree of security protection, to prevent the outside world from malicious damage to the application system. Protect the private data of the user. In the actual product development process, the lightweight application development environment is used to develop the IPSTB system which was developed in the closed single-process mode. Through the development cycle, product stability and UI design effect diagram, the application development environment is evaluated, and the function test and performance analysis of the whole system are carried out.
【學(xué)位授予單位】:華中科技大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2012
【分類號】:TP311.52;TP368.1
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