With the development of ICT technology, the computing power of a single SOC can undertake more services. The expansion of network bandwidth and characteristics such as low latency and differentiated services make the deployment of services and allocation of functions more flexible. For example: perception, fusion, planning, control, and execution can be decoupled. Automotive service … Read more
The Internet of Things (IoT) was still a very vague concept a decade ago. With the development of technology across various industries over the past ten years, and the deepening commercialization of 5G, the mainstream communication infrastructure representing the next decade, the initial slogan of “connecting everything” has gradually become clearer. The competition among IoT … Read more
For embedded systems, if there is no RTOS running, the main function main() in program development needs to use some mechanism to keep running happily forever; it has no endpoint. If you want to exit the main function, what happens specifically is determined by the C language compiler used. 1. The Question Raised Today, I … Read more
I get busy as soon as I arrive at the office every day. I need to wash my cup, choose the tea I brewed today, then go get hot water, tidy up my desk, charge my phone, turn on the computer, check today’s work tasks, browse the work group, and then I feel tired. I … Read more
Introduction: The tech industry has devoted a significant amount of time to the IoT craze. For-profit tech companies and members of the open-source community are promoting their respective operating systems, claiming to be the best fit for various IoT applications. However, not every operating system is suitable for all IoT purposes. As a result, there … Read more
Original from WeChat Official Account | Embedded Column “Circular queue” and “message queue” are widely used in the embedded field, and experienced embedded software engineers are likely familiar with them. However, beginners often have related questions. Today, I will share some content about “circular queues” and “message queues”. Circular Queue A circular queue is a … Read more
1. The Concepts of Synchronization and Mutual Exclusion To understand synchronization and mutual exclusion in one sentence: I wait for you to finish using the bathroom before I use it. What is synchronization? It is: Hey, I am using the bathroom, please wait. What is mutual exclusion? It is: Hey, I am using the bathroom, … Read more
In the previous article, we used FreeRTOS to light up an LED, which essentially got FreeRTOS running. To effectively use an RTOS, it is necessary to understand how the scheduler works from a black-box perspective. Of course, if you want to study its internal implementation, you can read the source code. However, I feel that … Read more
The systems we usually share, such as µC/OS, FreeRTOS, RT-Thread, ThreadX, are all real-time operating systems (RTOS). So some readers ask: What is a time-sharing operating system, and does Linux belong to real-time operating systems? Real-Time Operating System (RTOS) RTOS, the full English name is Real Time Operating System, which means real-time operating system. 1. … Read more
The article “Key Technologies and Development Trends of Industrial Real-Time Operating Systems” by Meng Yan, Li Mingshi, and Deng Changyi from the National Industrial Information Security Development Research Center was published in the 3rd issue of 2024 in “New Industrialization”. The full text is shared as follows: Key Technologies and Development Trends of Industrial Real-Time … Read more