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Sig_SW
- 本程序基于s3c2440的IO口电平状态检测驱动，适用于开关量信号检测电路。程序实现：检测当前IO口状态并通过串口打印。-This procedure applies to the switch signal detection circuit based on the the s3c2440 IO port level of state detection driver,. Program: detection of IO port status and print through the s
sig_AIN
- 本程序为基于s3c2440的两路模拟信号检测电路的裸机驱动。程序检测出A/D转换后的模拟量并进行了电压换算。-This program is based the s3c2440 two-channel analog signal detection circuit of the bare metal drive. Procedures to detect the A/D converter analog voltage conversion.
mutex_semphore
- Linux下操作系统的基本知识，在多线程处理中通过信号量进行互斥处理。-Basic knowledge of the Linux operating system under multithreading semaphore mutex.
mutex
- Linux中信号量、线程、同步及互斥等例子-Examples of Linux, semaphores, threads, synchronization and mutual exclusion
pthread.c.tar
- 共享锁和信号量的使用方法，多线程程序的设计原理！-Shared locks and semaphores to use, multi-threaded program design principles!
sem
- Linux IPC通信之信号量的PV操作，包含申请资源、唤醒等待资源的任务等-Linux IPC semaphore communications PV operation, including the application of resources, tasks waiting for resources wake
Linux-semaphore-mechanism
- 一个关于信号量机制使用的学习例子。具体要求和代码都在word里了。要求使用vi进行代码的编写，使用make工具建立工程。将实现不同类别功能的函数写到不同的.c文件中，并使用makefile链接编译。 -Use vi be writing code, use make tools to create projects. The function of different types of functions written to achieve different. C file and co
cfposix1
- 通过创建子进程，使得父子进程之间可以通信，使用了信号量，和共享内存变量。- A little program ,fork four subprocess that Communication with the parent process,used posix shared a database by shared memory method
03semaphore
- Linux 下 的信号量编程，保证的用户进程的正常调度-Semaphores under Linux programming, to guarantee the normal operation of a user process
chapter15
- 嵌入式Linux中信号量、消息队列、共享内存编程设计-Embedded Linux, semaphores, message queues, shared memory programming design
ch06
- 为了生成轻量级信号量，你可以声明一LWSEM_STRUCT类型的变量并调用_lwsem_create()函数进行初始化，该函数有一指针指向变量并设置了一个初始的信号量计数。该信号量计数表明了并发地访问信号量资源的请求数，并设置为初始值。-In order to generate a lightweight signal, you can initialization function statement LWSEM_STRUCT struct type variables, and call _