(Click the public account above to quickly follow) Source: ggjucheng Link: http://www.cnblogs.com/ggjucheng/archive/2011/12/14/2287738.html 1 Introduction The meaning of GCC is just GNU C Compiler. After so many years of development, GCC now supports not only C language; it also supports Ada, C++, Java, Objective C, Pascal, COBOL, and even functional and logic programming languages like Mercury, … Read more
Source: C Language Chinese Network Editor: strongerHuang As of September 2020, the GCC compiler has been updated to version 10.2, and its functionality has expanded from initially only compiling C language to now supporting multiple programming languages, including C++. In addition, the current GCC compiler also supports compiling programs in Go, Objective-C, Objective-C++, Fortran, Ada, … Read more
Click the blue "One Click Linux" in the upper left corner and select "Set as Star" Be the first to see valuable articles ☞【Valuable】Embedded Driver Engineer Learning Path ☞【Valuable】A Comprehensive Linux IoT Project for Your Resume ☞【Valuable】Linux Embedded Knowledge Points – Mind Map – Free Access ☞【Thanks】My new book “Learning ARM from Scratch” is officially … Read more
This article discusses Linux device drivers. In Linux, I/O devices can be divided into two categories: block devices and character devices. These two types of devices do not have any hardware differences; they are mainly classified based on different functionalities, and their main difference lies in whether they can randomly access and manipulate data on … Read more
Follow and star our public account to access exciting content Source: The Last Bug Some friends asked me how to write excellent C code. This cannot be explained in just a few sentences. Excellent code is bound to be the crystallization of various programming techniques and design philosophies, so it requires step-by-step accumulation of methods … Read more
I'm Lao Wen, an embedded engineer who loves learning. Follow me, and let's become better together! How to write excellent C code? Excellent code is a crystallization of various programming techniques and design ideas, so it requires step-by-step accumulation. I’m sharing this article on building the ‘library’ concept for everyone to experience. What if device … Read more
How to write excellent C code? Excellent code is undoubtedly the crystallization of various programming techniques and design philosophies, so it requires step-by-step accumulation. Here I share this article on building the ‘library’ concept, and everyone can experience it. What if device programs were perfectly library-based? 1. All engineers would spend minimal effort when porting … Read more
First, refer to the kernel code in z2ram.c Simulate a block device driver using memory The specific process of a block device driver: 1. Register the block device with the kernel int register_blkdev(unsigned int major, const char *name) Parameter 1: major write 0 to automatically get the major device number Parameter 2: The registered name … Read more
Welcome to subscribe to my paid column “Zhang Handong’s Rust Channel” on Mowen Dongxi, where I take you deep into understanding everything related to the Rust language, its ecosystem, and applications in the commercial field. This article is an excerpt from it. “ The purpose of this article is not to praise Rust, but to … Read more
Since March 2018, the development environment for the national Level 2 C and C++ language exams has changed from VC6.0 to VC++2010 Express. For users accustomed to VC6.0, it may take some time to adapt to VC++2010, but it offers more powerful features, and after a while, it feels quite good. Below, I will share … Read more