What is Linux? Linux is an operating system based on Unix. It was developed by Linus Torvalds and first released its kernel in 1991. Because Linux is open-source software, its distributions are released by different organizations, resulting in different styles, desktop environments, and integrated tools and features. Now, let me introduce 5 Linux versions suitable … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join our 1000-member tech exchange QQ group, note 【public account】 for faster approval 1. Classic Review of C File Interfaces When using C, we typically use functions like fopen, fwrite, fread, and fclose to access files. 1.2 fwrite For example, I need to … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the technical exchange QQ group with 1000 members, note 【Public Account】 for faster approval 1. Getting Input When building a simple Shell, the first step is to get input and obtain environment variables: it can run like a shell and retrieve some … Read more
Click on the [Full Stack Developer Community] above → Top right corner […] → [Add to Favorites ⭐ Click to receive full stack materials: Full Stack Materials This article will provide a detailed introduction to commonly used Linux commands, demonstrations, and some explanations of basic knowledge. Table of Contents ls command file command pwd command … Read more
There are indeed many commands in Linux, so I have summarized some of them for easier reference in the future. Without further ado, here are the Linux commands I use most often. 1. cd command This is a very basic command that everyone frequently needs to use. It is used to switch the current directory. … Read more
Source:www.cnblogs.com/chenliangchaoshuai/p/11827383.html,Author: Chen Liang, Thank you! Linux commands are used to manage the Linux system. In the Linux system, everything from the CPU, memory, disk drives, keyboard, mouse, to users is treated as files, and the commands for managing the Linux system are core to its normal operation. Online Query and Help Commands (2) man: View … Read more
Search WeChat Technical Training The Weilan touch screen supports downloading screens via serial port, network port, and USB. The method for downloading via the network port has been shared earlier, and the network port is the most commonly used. In case of emergencies where the network or serial port cannot be used, the USB function … Read more
Source: Semiconductor Industry Alliance MCU is the abbreviation for Microcontroller Unit, commonly known as a microcontroller. It reduces the frequency and specifications of the CPU appropriately and integrates memory, counters, USB, A/D converters, UART, PLC, DMA, and even LCD driver circuits onto a single chip, forming a chip-level computer for different application scenarios. MCU can … Read more
Parallel programming, the earliest programming method, is the most powerful, but requires connecting more pins, usually needing a high voltage of 12V~24V for distinction, referred to below as high voltage parallel programming. ISP (In System Programmability) is in-system programming, abbreviated as serial download. IAP (In Application Programming) refers to application programming, similar to BootLoader. 1 … Read more
Source: ICisC Nanjing Integrated Circuit Industry Service Center 1. Concept: SPI: Serial Peripheral Interface The SPI flash is a flash storage device that operates through a serial interface. Flash memory is categorized into two types based on its internal storage structure: NOR flash and NAND flash. Here, SPI flash belongs to NOR flash! SPI flash … Read more