On February 26, 2024, MediaTek announced a new member of its 5G RedCap (5G lightweight) product lineup at the 2024 Mobile World Congress (MWC 2024) — the MediaTek T300 platform, designed for a wide range of low-power IoT devices. The MediaTek T300 supports RF functionality and is equipped with the MediaTek M60 modem, compliant with … Read more
1. Introduction The Inter-Integrated Circuit (I²C) is a widely used low-speed, two-wire communication protocol designed for communication between integrated circuits. In embedded systems, I²C is commonly used to connect sensors, EEPROMs, ADCs, and other peripherals. [VxWorks 7] introduces a modern, scalable, and modular driver framework built on VxBus, supporting dynamic driver registration, device tree integration, … Read more
0x00 Background Researchers at Armis have discovered 11 zero-day vulnerabilities in VxWorks, the most popular real-time operating system (RTOS), used by over 2 billion devices, including critical mission devices in industrial, medical, and enterprise settings. These vulnerabilities, referred to as ‘URGENT / 11′, exist in IPnet, VxWorks’ TCP/IP stack, affecting versions released over the past … Read more
With the widespread application of embedded systems in industries such as aerospace, automotive, and industrial automation, developers are increasingly demanding high-performance real-time operating systems (RTOS) and modern graphical user interfaces (GUIs). VxWorks, as a mature RTOS, is known for its high reliability, low latency, and high security, while Qt is favored by embedded developers for … Read more
Online resources suitable for beginners learning VxWorks.Click “Read the original text” to download. Chapter 1 Overview of Embedded Systems 1.1 Definition of Embedded Systems 1.2 Characteristics of Embedded Systems 1.3 Application Areas of Embedded Systems 1.4 Development Trends of Embedded Systems 1.5 Challenges in Embedded System Design – Optimizing Design Metrics 1.6 Three Key Technologies … Read more
Essential Tool for Kubernetes Operations: A Comprehensive Guide to Creating BusyBox Containers In daily operations and development work, we often need lightweight tools to quickly execute diagnostic commands, test network connections, or verify service statuses. <span>BusyBox</span> is such a powerful toolset with extremely low resource consumption, integrating various commonly used Unix tools like <span>sh</span>, <span>ls</span>, … Read more
Introduction I wrote this porting guide because a colleague from my WeChat public account asked me to write a tutorial on porting, so I wrote this article at their request. Preparation Before porting, we first need to obtain the official source package of FreeRTOS. Here are two download links: One is the official website: http://www.freertos.org/ … Read more
Description: 1. In recent years, IoT Studios have become popular, such as Mbed Studio, Zerynth Studio, DK IoT Studio, etc. 2. Amazon is not falling behind and has directly partnered with IAR to release a new version, IAR for AWS. This provides a comprehensive service for Amazon cloud development. 3. Currently, there is no download … Read more
The Core Role of the FreeRTOS Idle Task Maintaining Minimum System Operation Guarantee Automatically created after the scheduler starts, with the lowest priority (usually 0), ensuring that there is always a task for the system to execute. When all user tasks are blocked or suspended, the idle task takes over the CPU to avoid an … Read more
<span>FreeRTOS</span> configuration is implemented through macro definitions to control the behavior of the FreeRTOS kernel, with parameters designed in <span>FreeRTOSConfig.h</span>. Below is a detailed explanation of commonly used configurations. Scheduling Method Whether to enable preemptive scheduling <span>#define configUSE_PREEMPTION 1</span> : Enables preemptive scheduling (<span>preemptive scheduling</span>), allowing higher priority tasks to interrupt lower priority tasks. <span>#define … Read more