Author: Zhao Xiaofei Internet of Things Think Tank Original Globally, there is a shift from traditional payment methods like cash and checks to digital payments. Digital payment terminals are widely used devices across various industries, especially in retail. In recent years, the number of payment terminals has rapidly increased, particularly due to the convenience of … Read more
Abstract: We come across many operating systems in our daily lives, such as Windows, Android, iOS, and Linux. Microcontrollers also have their own operating system, called Real-Time Operating System (RTOS). So, what are the differences between these real-time operating systems and the ones we commonly use? The operating systems we frequently use are actually non-real-time … Read more
1. Definition of Tasks In embedded development, we face situations with a single CPU, and during this development process, we may involve bare-metal development or development with an operating system. In bare-metal development, the entire system is viewed from a modular perspective, meaning that after the system finishes running one module, it then runs another … 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 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
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
Many beginners start learning from bare metal but often do not understand the difference between bare metal and operating systems. Some even believe that using interrupts can replace multitasking. Do you agree? Bare Metal Systems Bare metal systems are usually divided into polling systems and foreground-background systems. 1. Polling System A polling system is when … Read more
Follow+Star Public Account Number, don’t miss wonderful content Author | strongerHuang WeChat Public Account | strongerHuang Recently, some friends have been asking: When learning RTOS, should I choose µCOS or FreeRTOS? In fact, similar questions are often asked by colleagues, and there is no unified answer. Generally speaking, once you learn one RTOS, learning other … 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
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