Arch Linux ARM is a Linux distribution specifically designed for ARM computers, embodying the core philosophy of Arch Linux, aimed at providing users with a simple, flexible, and fully controllable experience. This article will delve into the features of Arch Linux ARM and its applicable scenarios. The Core Philosophy of Arch Linux ARM The design … Read more
Summary Introduction 1. Why introduce cache in CPU architecture? 2. The role of cache 3. Memory system of ARM Cortex-M4 / Cortex-M7 CPU architecture 4. Detailed explanation of basic concepts related to cache Conclusion Introduction For many years, most embedded MCUs based on RISC CPU (like 8051 core, PIC core, and ARM Cortex M0/M0+ and … Read more
Follow+Star public number, don’t miss the wonderful content Author | strongerHuang WeChat Public Account | Embedded Column All processors we use have a set of architectures, for example, the intel Core i5 belongs to the X86 architecture, and the STM32F0 is based on the Cortex-M0 core, which belongs to the ARMv6-M architecture. Today’s technology is … Read more
For a long time, embedded operating systems have been the foundational software for communication, automobiles, consumer electronics, and aerospace. With the rapid development of the Internet of Things and artificial intelligence, embedded operating systems are playing an increasingly significant role in intelligent systems. Amidst the turbulent international political and economic environment, domestic embedded operating systems … Read more
Follow+Star public number, don’t miss out on exciting content Author | strongerHuang WeChat public account | Embedded Column ARM processors are widely used – from sensors to servers. ARM is the industry’s leading microprocessor technology provider, offering the broadest range of microprocessor cores to meet performance, power, and cost requirements across nearly all application markets. … Read more
Follow+Star Public Account, don’t miss out on exciting content Source | Microtech Technology Transitioning from software development with a front-back architecture to using Real-Time Operating Systems (RTOS) can be a challenging task. However, there are many advantages to using RTOS, such as simplifying application integration and supporting task preemption scheduling. It becomes meaningful to use … Read more
Follow +Star Public Account Number, don’t miss the wonderful content Author | strongerHuang WeChat Public Account | Embedded Column In many operating systems, there is a type of API function interface: HOOK functions (also known as hook functions). For example: HOOK functions can be found in Windows desktop operating systems, µC/OS, FreeRTOS and other real-time … Read more
Source | Mculover666 To develop “advanced” applications based on RTOS, many principles of the kernel must be mastered. This article will explain how the RTOS kernel manages interrupts? How should users write interrupt handler functions? And how can users set critical sections? 1. Review of Knowledge — Interrupts 1.1. Interrupt Mechanism The interrupt mechanism is … Read more
Follow+Star Public Account Number, don’t miss exciting content Author | strongerHuang WeChat Public Account | strongerHuang I recently saw a discussion in a technical group about whether to read the RTOS kernel source code. From the perspective of someone who has been there, I would say: it is not necessary, I do not recommend reading … Read more
Follow our official account to never miss an update! Many friends who have been using bare-metal programming for a long time may have misunderstandings about many concepts when switching to learn RTOS. 1Introduction Most people do not understand some concepts in RTOS when they start learning real-time operating systems. They are often confronted with concepts … Read more