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realize the system reset and repair and test functions. The PGM interface (online programming interface) can be programmed and debugged online using the icd2 adapter. System Structure 1. 3.2 system functions (1) The frequency of AT89S52 is 4 MHz. It provides online programming without the need for a programmer to directly burn and write data. It can be set to AT89S52 [int0], [int1], [ct0], [CT1] The
Function Description: Lcd1602 LCD display year, month, day, hour, minute, second, week, temperature, three buttons control time and date adjustment and alarm settings. Three buttons: 1. "school Hour" key, adjust the second, minute, hour, week,
# Include typedef unsigned char uchar; typedef unsigned int uint; # define rs_h PORTC | = 0x01 # define rs_l PORTC & = 0xfe # define rw_h PORTC | = 0x02 # define rw_l PORTC & = 0xfd # define en_h PORTC | = 0x04 # define en_l PORTC & = 0xfb # define
# Include # define uchar unsigned char uchar rtemp, sflag; void serialinit (void) {txsta = 0x24; // enable the transmitting enable and high baud rate, the initial value of trmt can be 0 to 1 rcsta = 0x90; // enable serial port, continuous receiving,
PHP programming development how to improve programming efficiency improve PHP programming technology, programming development programming technology. PHP programming development how to improve
PHP programming development How to improve the efficiency of programming PHP programming technology, programming development programming technology Using single quotes instead of double quotation marks to contain strings can be faster. Because PHP will search for variables
Web programming is functional programming Everyone who has long programmed for both worlds, that is he has developed local applications and programmed for web, will tell you that web programming is very different from classical application development. and it's not just the programming language. you can develop both lo
I have been engaged in pythonWeb development for a year. Now I am confused. I mainly work on curd, that is, how to obtain data, and then present it to the front-end page. The framework uses django, optimization means adding memecache. Pay attention to this when querying the database. Currently, there are a lot of tangled issues: 1: the programming of process threads, how to use it in practice 2: network programmin
Functional Programming (1) Understanding of the "Programming Paradigm" and "functions", and the Function Recognition Programming Paradigm Programming paradigm) The programming paradigm refers to the idea and perspective of programming
In the object-oriented programming of PHP, you will always encounter Class test{public static function test () { self::func (); Static::func (); } public static function Func () {}} But do you know the difference between self and static? In fact, the difference is very simple, just need to write a few demo can understand: Demo for self: Class car{public static function model () { self::getmodel ();} protected static function Getmodel () { echo
Programmatic programming, Declarative Programming and Generative programmingDevelopment programming, Declarative Programming, and Generative programming Author: Anders JamesSynchronized from: http://www.blogjava.net/AndersLin/archive/2006/08/31/66968.html Development
I've been using Scala for a year or two, and the language seems to have a magical power that people don't want to let go of when they use it. Scala has had a very profound impact on my entire program life, and I learned about functional programming, so I know that there is an elegant, efficient, powerful language in the world.Scala is very popular abroad, but somehow it's always tepid at home, and I want to do something about the development of the la
An analysis of MVC programming and mvc programming in PHP programming. Analysis of MVC programming ideas in PHP programming, mvc programming ideas php mvc programming ideas have been wi
As a kind of structured programming, functional programming is being paid more and more attention. Project is not just object-oriented programming, more people try to start using functional programming to solve problems encountered in software engineering. What is functional progra
Concurrent Programming (1) ---- Concurrent Programming basics, ---- programming Basics Multithreading is a basic knowledge that programmers must master. However, due to the encapsulation of various frameworks, we seldom access multithreading. Once a problem occurs in the project, you cannot start. Multi-threading not only helps you better handle project problems,
What do you mean?The C language does not have a specific string type, but it can also handle strings. This article does not discuss the use of strings, but rather discusses the relationship between C strings. Title, in c language code, if define # define STR = "Programming", and then use printf ("%s", "Programming"), what do these two "programming" have in common
Shell advanced programming video tutorial-follow the old boy step by step to learn Shell advanced programming practical video tutorial, advanced programming shell Shell advanced programming video tutorial-step-by-step learning of Shell Advanced Programming TutorialTutorial i
JAVA8 Series Tutorials: Getting Started with JAVA8 programming, object-oriented programming, advanced programming, core design patterns--dao Design Patterns01_ "Introduction to JAVA8 Programming"02001_java Development ProfileInstallation and configuration of 02002_JDK02003_ First Java program02004_classpath Environment
What is itBefore describing the difference and pros and cons, briefly introduce both.Functional programming, as the name suggests, this kind of programming is the function of thinking as the core, in this thinking angle to think about the problem. The most important foundation of this programming is the lambda calculus, which accepts functions as inputs and outpu
[Shell programming] 1. Introduction to shell programming and introduction to shell programming Shell itself is a program written in C language. It serves as a bridge for users to use Unix/Linux, and most of their work is done through Shell. Shell is both a command language and a programming language. As a command langu
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