QT Graphical Interface Development In Embedded Linux System

With the development of technology and the popularity of portable devices, people are getting more and more requests for these devices. Along with the electronic devices from the original bulky PC to the small and exquisite portable devices, the concerns of users of electronic equipment is from the basis functions into overall equipment operation experience.The embedded equipment has the characteristics of light and flexible,simple operation,simple interface. It is different from PC computer which is operated by mouse and keyboard. Simple operation can produce the effect of the corresponding response. These make the embedded equipment conforms to the market demand. Although power is short and the hardware resources is not enough, the embedded device has already attracted the eyes of the user.Electronic equipment with the embedded system can not work without the support of the mature and stable operating system. And the embedded Linux is a free open source system which can be customized. These features not only can reduce the manufacturer’s development cost, it also improves the compatibility of the system. This kind of system because of the characteristics of open source, optimization and improvement of various make the developers improve the stability of embedded Linux system. The advantages of embedded Linux have let it occupy an important position in the electronic equipment system.In a wide variety of graphical interfaces, Qt/Embedded is the best choice. With strong compatibility, low system cost, high scalability and applicability of the characteristics, it become the first choice for the major developers.This paper introduces the development environment of embedded Linux operating system. With matched the interface hardware, transplanted appropriate bootloader guidance, customed kernel and root file system, we built the relevant technology. In some specific project developments, we furtherly analysis and understand the QT/embedded development environment,and build the technology and related applications. In the process of introducing the development environment and the application of the technology, we choose the GUI application program based on QT, and focus on the technical application in the field of smart home industry and remote image monitoring system.The whole content of this paper is related to the relevant cases and technology to start. And on the basis of research related innovation content, we put forward the key technology point which is something about hardware driver technologies. With these work,the whole technology content is more comprehensive. Finally, to achieve the entire research task, we achieve the research objectives.