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用VC6.0集成环境快速开发VxD
VxD (Virtual Device Driver), 即虚拟设备驱动程序, 是运行在处理器Ring0特权级别的驱动程序,可以执行任何处理器指令,访问机器中的任何数据寄存器。VxD被用作Windows 9x系统和物理设备之间的接口,扩展了WINDOWS 系统的核心服务,能够访问和控制实际的硬件环境。-Using VC6.0 integrated environment for rapid development of VxDVxD (Virtual
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A user-space device driver can do many of the things that kernel drivers can t, such as perform a long-running computation, block while waiting for an event, or read files from the file system. Unlike kernel drivers, a user-space device driver can us
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The WinIo library allows 32-bit Windows applications to directly access I/O ports and physical memory. It bypasses Windows protection mechanisms by using a combination of a kernel-mode device driver and several low-level programming techniques. -The
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This module implements a Linux character-mode device-driver
for the processor s installed physical memory. It utilizes
the kernel s kmap() function, as a uniform way to provide
access to all the memory-zones (including the "high memory"
on s
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如何加内存!一种User Mode下访问物理内存及Kernel Space的实现-How do I increase the memory! Of a User Mode to access physical memory, and the realization of Kernel Space
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The WinIo library allows 32-bit Windows applications to directly access I/O ports and physical memory. It bypasses Windows protection mechanisms by using a combination of a kernel-mode device driver and several low-level programming techniques.
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VB LPT The WinIo library allows 32-bit Windows applications to directly access I/O ports and physical memory. It bypasses Windows protection mechanisms by using a combination of a kernel-mode device driver and several low-level programming techniques
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用共阳极数码管实时显示ADc0809的值,(除去数码管‘位选’接法需要自己接驱动三极管外,其余电路部分均参照protuse图中接线)虽然protuse中没有效果,但程序经实物调试绝对可用-Real-time with a common anode LED display ADc0809 value, (excluding digital ' Choice' connection needs its own access driver transistor, the remainin
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作者:华清远见嵌入式学院。《Linux设备驱动开发详解》(08&09年度畅销榜TOP50)第11章、内存与I/O访问。由于Linux系统中提供了复杂的内存管理功能,所以内存的概念在Linux系统中变得相对复杂,出现了常规内存、高端内存、虚拟地址、逻辑地址、总线地址、物理地址、I/O内存、设备内存、预留内存等概念。本章将系统地讲解内存和I/O的访问编程,带您走出内存和I/O的概念迷宫。11.1节讲解内存和I/O的硬件机制,主要涉及内存空间、I/O空间和MMU。11.2节讲解Linux的内存管理、内
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通过底层各个设备的端口调用系统资源,并附有vc和vb的代码-The WinIo library allows 32-bit Windows applications to directly access I/O ports and physical memory. It bypasses Windows protection mechanisms by using a combination of a kernel-mode device driver and several low-level
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这个应用程序源码演示了怎样直接地访访问物理驱动driver
-The application source code demonstrates how to visit directly access the physical drive driver
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μ C/GUI 是一种用于嵌入式应用的图形支持软件。它被设计用于为任何使用一个图形 LCD
的应用提供一个有效的不依赖于处理器和 LCD 控制器的图形用户接口。它能工作于单任务或
多任务的系统环境下。μ C/GUI 适用于使用任何 LCD 控制和 CPU 的任何尺寸的物理和虚拟显示。
它的设计是模块化的,由在不同的模块中的不同的层组成。一个层,称作 LCD 驱动程序,包
含了对 LCD 的全部访问。μ C/GUI 适用于所有的 CPU,因为它 100 由的 ANSI 的 C 语言
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