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其他 Universal Serial Bus (USB) is a communications architecture that gives a personal computer (PC) th
Universal Serial Bus (USB) is a communications architecture that gives a personal
computer (PC) the ability to interconnect a variety of devices using a simple four-
wire cable. The USB is actually a two-wire serial communication link that runs at
either 1.5 or 12 megabits per second (mbs). USB pr ...
软件设计/软件工程 从结构上来说
从结构上来说,实时多任务操作系统包括两部分,一部分为操作系统内核(kernel),即实时执行程序(Real Time Executive:RTX),另一部分是输入输出部分(I/O)(注意开发系统不属于操作系统的范畴);嵌入式系统对I/O的需求通常比较小(无文件系统需求),因此很多实时多任务操作系统本质上就是一个实时执行程序,如AMX(Kadak),VRTX( ...
汇编语言 water temperature control system uses the Single Chip Microcomputer to carry on temperature real-tim
water temperature control system uses the Single Chip Microcomputer to carry on temperature real-time gathering and controling. DS18B20, digitized temperature sensor, provides the temperature signal by "a main line". In -10~+85℃ the scope, DS18B20’s inherent measuring accuracy is 0.5 ℃. The wate ...
软件设计/软件工程 In a preemptive priority based RTOS, priority inversion problem is among the major sources of deadl
In a preemptive priority based RTOS, priority inversion
problem is among the major sources of deadline
violations. Priority inheritance protocol is one of the
approaches to reduce priority inversion. Unfortunately,
RTOS like uC/OS can’t support priority inheritance
protocol since it does not allow ...
汇编语言 This application report describes the use of Timer_A3 to decode RC5 and SIRC TV IR remote control si
This application report describes the use of Timer_A3 to decode RC5 and SIRC TV IR remote control signals. The decoder described in this report is interrupt-driven and operates a background function using specific features the Timer_A3. Only a small portion of the MSP430 CPU?s nonreal-time resources ...
软件工程 C++, although a marvelous language, isn t perfect. Matthew Wilson has been working with it for over
C++, although a marvelous language, isn t perfect. Matthew Wilson has been working with it for over a decade, and during that time he has found inherent limitations that require skillful workarounds. In this book, he doesn t just tell you what s wrong with C++, but offers practical techniques and to ...
Delphi控件源码 LCDScreen is a couple of Delphi component which simulate a dot-LCD multilines screen. It is fully c
LCDScreen is a couple of Delphi component which simulate a dot-LCD multilines screen.
It is fully customizable and has animation and special effects capabilities for the displayed text.
TLCDScreen is the display component and TLCDAnimator the animation one.
Both have build-in Property editor making ...
其他 对于单个控件,COMPONET-->INSTALL COMPONENT..-->PAS或DCU文件-->INSTALL。 2.对于带*.DPK文件的控件包,FILE-->OP
对于单个控件,COMPONET-->INSTALL COMPONENT..-->PAS或DCU文件-->INSTALL。
2.对于带*.DPK文件的控件包,FILE-->OPEN(下拉列表框中选*.DPK)-->INSTALL即可。
3.对于带*.BPL文件的控件包,INSTALL PACKAGES-->ADD-->BPL文件名即可。
4.如果以上INSTALL按钮为失效的话,试试COMPILE按钮。
5.是RUN TIME LIB则在OPTION下的PACKAGE ...
其他书籍 With User Mode Linux you can create virtual Linux machines within a Linux computer and use them to s
With User Mode Linux you can create virtual Linux machines within a Linux computer and use them to safely test and debug applications, network services, and even kernels. You can try out new distributions, experiment with buggy software, and even test security. Now, for the first time, the creator a ...
Internet/网络编程 JK Proxy Project - Version 0.1 ------------------------------ This was going to be a proxy serve
JK Proxy Project - Version 0.1
------------------------------
This was going to be a proxy server bu I stopped developing this program
(maybe I will go on coding on this application again some time).
The email part with spam filtering already works.
Check out the numerous text files for additiona ...