In a project, during the later stages of software development, the leadership proposed new requirements based on Client A’s requests to adjust some display information, while the overall logic remained largely unchanged. After accommodating these new requirements, Client B also raised new requests, requiring some customization of logic and display information. At this point, someone … Read more
Lost Little Scholar Reading takes 4 minutes Speed reading only takes 2 minutes 1 Introduction The following C language code is very simple #include <stdio.h> int main(){ printf("Hello World!. "); return 0;} In Linux, we can compile it using the following command gcc hello.c -o hello However, as the project grows, there will inevitably be … Read more
What is a Makefile? Why do we need a Makefile? To compile a C file normally, you can just type the command: gcc hello.c -o hello That’s it. If there are just a few more files, adding them in gcc isn’t a big deal. However, if you have a complete project that contains thousands or … Read more
Click the above “Baijun Technology“, select “Top Public Account” Embedded essentials, delivered promptly ARM bare-metal phase 1 enhanced video course accompanying WiKi lesson 9, section 5: Introduction and Rules of Makefile. Text cannot completely replace video, so if you find these articles hard to understand, it is recommended to purchase the video for further learning. … Read more
Click the above “Linux Community” to subscribe! 1. Introduction The make command requires a Makefile to tell it how to compile and link the program (simply put: it manages the project files and determines which files to compile first and in what order). 2. Writing Rules: Target1: Dependencies Then press Enter + Tab key Command; … Read more
1. C Language, Assembly Language, Machine Language 1.1 C Language Code The C language is a high-level language, which cannot be directly executed by the computer and needs to be translated into machine language to be recognized and run by the computer. However, machine language consists of binary numbers, and to facilitate reading, we use … Read more
Recently, I saw a question on a forum, and there was a reply like this: C++ indeed can create all kinds of peculiarities. I don’t know if this is its glory or its sorrow. This reply did not help the original poster’s question at all, as the issue was not about any specific language. So … Read more
Organizer | Zheng LiyuanProduced by | Programmer’s Life (ID: coder_life) According to the “2021-2022 China Developer Survey Report”,the historically significant Assembly language is the most disliked programming language among programmers (37%), followed by C++ (17%) and C (16%). As a machine-oriented programming language, Assembly language is indeed very detailed, but it is not very friendly … Read more
The first step is to view embedded issues from the perspective of PC programming; The second step is to learn to use embedded programming concepts; The third step is to combine PC and embedded concepts together and apply them in real projects. Many friends transition from PC programming to embedded programming. In China, very few … Read more
This article only describes the use of the AES algorithm without going into too much detail about its principles. Readers who want to understand its principles can search online. 1. Introduction to AES The Advanced Encryption Standard (AES) is the most common symmetric encryption algorithm. A symmetric encryption algorithm uses the same key for both … Read more