PLC程序根据定义的通信协议(即 PLC接收信息 帧的格式和定义 )识别其信息 内容,通过PC 的 COM1与S7-200
The PLC program recognizes the information content according to the defined communication protocol (that is, the format and definition of the information frame received by PLC), and uses the COM1 and S7-200 of PC. (2018-09-17, Unix_Linux, 143KB, 下载0次)
介绍linux环境下的编程和linux一些函数和线程和进程间的通信等内容。
Introduction linux and linux programming environment communication functions and content of some threads and processes. (2016-09-20, Unix_Linux, 20488KB, 下载1次)
Go语言专门针对多处理器系统应用程序的编程进行了优化，使用Go编译的程序可以媲美C或C++代码的速度，而且更加安全、支持并行进程
Go language specifically for the application of multi processor system programming optimization, the use of Go compiler can be comparable to the speed of C or C++ code, but also more secure, to support the process of parallel (2016-07-14, Unix_Linux, 6262KB, 下载1次)
设有两个并发执行的父子进程,不断循环输出各自进程号、优先数和调度策
略。进程初始调度策略均为系统默认策略和默认优先级。当父进程收到 SIGINT 信
号时会自动将其优先数加 1,子进程收到 SIGTSTP 信号时会自动将其优先数减 1。
请编程实现以上功能。
linux thread (2012-12-11, Unix_Linux, 6KB, 下载4次)
sopc 中的cpu软核，可以配置成soc,成为片上可编程系统
sopc in soft-core cpu, can be configured into a soc, as a programmable system chip (2009-08-21, Unix_Linux, 196KB, 下载4次)
是一本关于实现操作系统的编程,自已如何通过编程对操作系统更深入的研究.
Is on the realization of an operating system programming, programming of their own operating system through a more in-depth research. (2009-06-14, Unix_Linux, 20421KB, 下载4次)
libpcap是一个系统独立的api函数接口，用于用户底层的数据包截获工作。它为底层网络监控编程提供了一个易于一直的应用框架。
libpcap is a system of independent api function interface for users to the bottom of the work of packets intercepted. It provides the underlying network monitoring program provides an easy to have the application framework. (2008-12-11, Unix_Linux, 601KB, 下载9次)
使用共享内存编程，使不同的进程可以通信完成任务
The use of shared memory programming, the process of bringing people of different communication tasks can be (2008-08-19, Unix_Linux, 1KB, 下载4次)
一个免费的简单的操作系统。专门安装在一张1.44寸软盘上的操作系统可以实现图形操作界面。这个用汇编语言写成的32位操作系统具有结构清晰、利于编程、快速、稳定的特点。MENUET现在还处于开发当中，只具备一些简单的，比如CD播放器这样的功能。概括起来，它的功能和特点包括：图形化界面，最高支持16位真彩，1280x1024的解析度，真正多任务、多线程，适用于单张1.44MB软盘·提供对C语言的编程支持，全功能窗口系统等，从内核支持中文显示
a simple operating system. Specialized installed in a 1.44-inch floppy disk operating system can be achieved graphical user interface. This compilation of language with the 32-bit operating system with a clear structure and programming to rapid and stable characteristics. MENUET now under development, with only a few simple, such as CD players such functions. To sum up, its functions and features include : graphical interface, the maximum 16-bit color support, the 1280x1024 resolution, true multi-tasking, multi-threaded, in leaflets 1.44MB floppy disk provided to the C programming language support, fully functional window system, kernel support from the Chinese show (2006-06-26, Unix_Linux, 601KB, 下载25次)
系统编程的示例使用
是用c 在redhat9下测试通过
system programming examples of the use of the c is the test under redhat9 (2006-06-22, Unix_Linux, 5KB, 下载2次)