面向数字化仪器设备的嵌入式图形构件库设计

Design of Embedded Software Platform for Digital Intrument Device

面向数字化仪器设备的嵌入式软件平台对以嵌入式技术为核心的数字化仪器设备的发展具有显著意义。针对该软件平台的嵌入式图形构件库的设计和实现,概述了其系统体系结构,并对包括设备描述表、窗口管理和消息处理在内的主要模块进行了详细介绍。此外,对该构件库中的核心算法进行了详细的分析,如焦点窗口确定算法和消息队列处理算法。最后,给出了该构件库的具体应用实例。

Embedded Software Platform for digital instrument device plays important role in developing of digital instrument device which is based on Embedded Technology.The design and implementation of Embedded Graphic Widget Library,which is one of the components of the software platform,was introduced in this paper.The system architecture was illustrated at first, and then descriptions of device context,windows management and message processing were also discussed.In addition, some core algorithms were analyzed,including focused window determination and message queue processing.Finally,some applications of the library were provided.