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华中科技大学嵌入式实验源码+报告

上传者： 39188039 | 上传时间： 2019-12-21 20:50:37 | 文件大小： 1.59MB | 文件类型： zip
包含代码和文档 实验一 实验内容 编写程序，演示多进程并发执行和进程软中断、管道通信。 父进程使用系统调用pipe( )建立一个管道,然后使用系统调用fork()创建两个子进程，子进程1和子进程2； 子进程1每隔1秒通过管道向子进程2发送数据: I send you x times. (x初值为1，每次发送后做加一操作） 子进程2从管道读出信息，并显示在屏幕上。 父进程用系统调用signal()捕捉来自键盘的中断信号（即按Ctrl+C键）；当捕捉到中断信号后，父进程用系统调用Kill()向两个子进程发出信号，子进程捕捉到信号后分别输出下列信息后终止： Child Process l is Killed by Parent! Child Process 2 is Killed by Parent! 父进程等待两个子进程终止后，释放管道并输出如下的信息后终止 Parent Process is Killed! 实验二 实验内容 过Linux多线程与信号灯机制，设计并实现计算机线程与I/O线程共享缓冲区的同步与通信。 程序要求:两个线程,共享公共变量a 线程1负责计算(1到100的累加，每次加一个数) 线程2负责打印（输出累加的中间结果) 实验三 实验内容 利用多个共享内存（有限空间）构成的环形缓冲，将源文件复制到目标文件，实现两个进程的誊抄。 实验四 实验内容 1、（1）Blink程序的编译和下载 （2）给Blink程序加入printf，在每次定时器事件触发点亮LED的同时通过串口显示信息 （3）修改BLink程序，只使用一个Timer，三个LED灯作为3位的二进制数表示（亮灯为1，不亮为0），按照0-7的顺序循环显示，同时将数值显示在终端上。

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评论信息

  • 0x001 :
    非常好，适合参考学习
    2019-11-28

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