摘要
Linux操作系统具有开源、稳定且便于移植到嵌入式设备中的优点,因而为嵌有Linux系统的设备设计USB驱动,就成为实际工程需求。为解决支持arm的Linux USB驱动,对USB驱动的数据结构进行了分析,修改了USB驱动的框架程序,用编译模块方法实现了对FT245 USB芯片的驱动加载,完成了基于arm+Linux平台的USB驱动设计,并成功应用到专用测试系统中,通过实验,验证了设计的正确性。
The advantages of Linux operating system are open source,stabilization and easy to port in the emb edded devices,so the actual project needs to design USB driver for devices with the embedded Linux system.In ord er to solve Linux USB driver supporting arm,the data structure of USB driver is analyzed,and the frame programso f USB driver are modified.The driver loading to FT245 USB chip is realized by using compile module method,U SB driver design based on arm＋Linux platform is completed,and the design successfully applies in the specifict est system.Finally,the correctness of design is verified by experiments.
出处
《光电技术应用》
2011年第1期70-73,共4页
Electro-Optic Technology Application
基金
山西省自然科学基金(2009011023)
