LINUX内核空间USB运动控制卡驱动程序的开发,介绍一种基于ARM 体系结构的运动控制卡的设计方法，通过嵌入linux 操作系统实现多任务管理，USB 接口与上位机

通信，克服了采用传统并行总线结构的弊端。以一种USB 运动控制卡为实例来介绍利用dev 文件系统开发字符设备驱动程序的关键技术-The LINUX kernel space USB motion control card driver development, introduces one kind based on the ARM architecture motion control card design method, by embedding the Linux operating system to realize multiple task management, USB interface with the PCCommunication, which overcomes the disadvantages of traditional parallel bus architecture. In a USB motion control card as an example to introduce the use of dev file system development character device driver of the key technology