基于Nios Ⅱ自助点菜系统的μC/GUI应用  

Application of C/GUI in self-service order system based on Nios Ⅱ

作　　者：何伟[1] 游婧[1] 张玲[1] 

机构地区：[1]重庆大学通信工程学院,重庆400030

出　　处：《电子技术应用》2011年第9期35-38,共4页Application of Electronic Technique

基　　金："211工程"三期建设(S-09102)

摘　　要：结合自助点菜系统,介绍了移植μC/GUI图形库到软核Nios Ⅱ平台的方法,研究了μC/GUI与输入外设的接口原理,实现触摸屏操作。采用消息响应机制,实现窗口、控件和对话框的触摸应用,并深入分析了μC/GUI基于嵌入式操作系统μC/OSⅡ的工作方式,将设计划分为多个任务操作运行,在触摸屏上完成JPEG图片显示、文字介绍、菜单浏览等功能。With self-service order system, this thesis introduces how to port μC/GUI to Nios Ⅱ system, and realizes the operation of touch screen based on the research about the interface between GUI and input devices. In general, all the touch screen operation about WM, control and dialog has been realized with the message callback method, and after analyzing the principle that how μC/GUI works in μC/OS II, system divides into the multitasking mode. At last, this system finishes a few functions such as displaying pictures of JPEG format, word description of every dishes, browsing menu and so on.

关 键 词：移植 IAC/GUI 触摸屏 控件μC/OS Ⅱ 

分 类 号：TP311.5[自动化与计算机技术—计算机软件与理论]