基于v4l2的摄像头抓图程序,简单的从yuv到bmp转化

pxa270下利用mmap函数实现LED控制的函数，直接在用户层操作具体的IO口来控制LED，推荐！-pxa270 next LED control function implementation using mmap functions operate directly on the user level of specific IO port to control the LED, recommended!

linux下PCI_CAN 的驱动程序，对挂载在PCI总线上的CAN总线的驱动的开发很有借鉴作用。可以看出它明显有别于其他总线下CAN的驱动开发。-PCI_CAN under linux drivers, to mount the PCI bus on the CAN bus driven by the development of a very useful reference. It can be seen clearly from other CAN Bus driver development.

solaris高级管理,详细的介绍了solaris的管理-senior management, detailed account of the management of solaris

一个在LINUX下写的用gcc编译的进程管理程序，可以监视系统进程和增加和删除进程-A LINUX written under the gcc compiler with the process of management procedures, the system can monitor and delete process and increase the process of

基于ARM2410嵌入式平台的GPRS测试程序-ARM2410-based embedded platform for GPRS testing procedures

fstat函数的系统调用，头文件，返回说明，文件和目录-fstat system call functions, header files, returns, documents and directories

unix 源码分析-unix-source analysis

linux下的E_MAIL客户端源码-the client source E_MAIL

spi硬件程序。实现sPI总线的传输，并且实现的功能齐全

在Linux系统的/etc目录下有这样一个文件passwd，该文件里包含系统中所有用户信息的记录，记录里包含每个用户的如下信息：用户名、密码、用户ID、组ID、用户全名、用户主目录和用户登录所用的shell。请设计一个脚本（shell）程序能实现增加、删除、查找和显示特定用户信息的功能。你们可以通过创建一些UNIX/LINUX shell 脚本文件来满足以上需求。-In the Linux system,/etc directory there is such a file passwd, this file contains all the user information system, records, record where each user that contains the following information: user name, password, user ID, group ID, user" s full name , the user" s home directory and the user logged in with the shell. Please design a script (shell) program enables to add, delete, search and display information on a specific user function. You can by creating a number of UNIX/LINUX shell script file to meet the above requirements.