摘要
VxWorks是WindRiver公司开发的嵌入式实时操作系统,广泛地应用于航空航天、工业控制、通信等领域;分析了VxWorks下PCI设备驱动程序的实现方法;以PCI9054图像采集卡的驱动程序开发为例,介绍了PCI总线设备的配置空间结构及配置空间的访问方法,重点说明了在VxWorks下PCI设备驱动程序的开发步骤及编程要点,并给出了部分关键代码;在某视频图像采集系统中的运行结果表明该PCI设备驱动程序运行稳定、可靠。
VxWorks is a Embedded Real-Time Operation System developed by WindRiver company,and is very popular used in aeronautics and astronautics,industry control and communication domain.the method of develop PCI device driver in VxWorks is introduced.And according to a device driver example of PCI9054 Video Image acquisition card,Describes the PCI device configuration space structure and access method,especially the development Steps and Programming Points of PCI device driver based on VxWorks are presented,and some key programs are given.The driver has been used in a Video Image acquisition system,the result indicates that the pci device driver is stable and credible.
出处
《电脑开发与应用》
2010年第7期50-52,共3页
Computer Development & Applications
