Linux device driver design    Wednesday, April 12 2006 @ 02:30 PM EDT Contributed by: sde This tutorial presents the author’s practical experience with writing Linux device drivers to control custom-designed hardware. The tutorial starts by providing an overview of the driver writing process, and describes several example drivers provided with this tutorial [4]. The reader is encouraged to experiment with those example drivers on their own x86 system, as it provides the best learning experience. The ability of a user-space process to transfer data from multiple PCI boards is contingent on the implementation of both the hardware and driver. The requirements of both the hardware and software are presented. The Linux 2.6 kernel presents a number of generalized interfaces that the driver writer must rst understand, and then implement for their specic driver. The best way to un¬derstand the interfaces is to write simple drivers that exercise a subset of the kernel driver interfaces. The following sections describe the interfaces used to implement character device drivers. Read more   [ Views: 2145 ]

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