Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group of 1000 people, note “public account” for faster approval Basic Structure A simple Makefile usually includes the following parts: Variable Definitions: You can define compilers, compilation options, source files, etc. Rules: Specify how to build targets. The … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇1000 people technical exchange QQ group, note 【public number】 for faster access 1. Basic Structure of Makefile The Makefile contains a series of “rules”, with the basic structure of each rule as follows: target…: prerequisites… <tab> command Target(target): usually the name of the file … Read more
Click the above“Mechanical and Electronic Engineering Technology” to follow us In Linux system programming, a Static Library is a compiled code library that contains a collection of multiple compilation units (such as functions and data) that can be shared by multiple programs. Static libraries typically have the file extension .a. Creating a Static Library Compile … Read more
Click the above“Mechanical and Electronic Engineering Technology” to follow us In Linux system programming, a dynamic library (Dynamic Library) is also known as a shared library (Shared Library), which is a library that is loaded only when the program runs. Dynamic libraries can be shared by multiple programs, saving memory and disk space, and making … Read more
The main differences between Clang and GCC are as follows: Clang compiles faster than GCC, including time for preprocessing, syntax analysis, parsing, semantic analysis, and abstract syntax tree generation. Clang uses less memory than GCC. The intermediate products generated by Clang are smaller than those generated by GCC. Clang provides more user-friendly error messages than … Read more
#include “stdafx.h” #include<stdio.h> #include<stdlib.h> #include<string.h> // Whether to enable DEBUG mode //#define _DEBUG_ 0 // Not enabled #define _DEBUG_ 1 // Enabled #if _DEBUG_ #define PRINTF(…) printf(__VA_ARGS__) #else #define PRINTF(…) #endif int main() { int a, b, c; b = 1; c = 2; a = b + c; PRINTF(“a = %d\n”, a); getchar(); return … Read more
The default integer constant operations in the C51 compiler may lead to overflow errors. To avoid potential calculation errors, the data type of large integers should be specified. Keil C51 is a compiler compatible with ANSI C. The ANSI C standard specifies that the default data types for decimal integer constants are one of int, … Read more
Click the above “Chuangxue Electronics” to follow and easily learn electronic knowledge. Chuangxue Electronics Subscription Daily updates of technical articles in the electronics industry and the latest news on microcontrollers, learn easily anytime, anywhere. Here are some issues encountered in mixed programming of C language and assembly language in Keil, written down for future reference. … Read more
As shown in the figure below: Experiencing this issue is undoubtedly very frustrating for those who write programs with Chinese comments. However, the solution to this problem is actually quite simple, as shown in the figure below. This is the configuration interface accessed from the last option in the view menu. Select GB2312 in the … Read more
When you enter the debugging interface, you will see the following image. The cursor has already run to the entry point of the main function, and the debugging toolbar is now displayed in front of you. Tools/Materials Ulink2 emulator Development board and Keil software Methods/Steps First, let’s introduce the relevant menus. The first one on … Read more