Is your code still struggling with polling? Let system events come knocking on your door! Say goodbye to manual polling and let system events report to you proactively 🚀 As an embedded developer, do you often do this: while (1) { // Continuously check system status… check_battery_level(); // Check battery level check_system_temperature(); // Check temperature … Read more
Recently, I used FreeRTOS in a project and became curious about idle tasks and hook functions, so I wanted to understand what these two are used for. Here, I will share some of my insights.1. Idle TaskThe idle task is a task that is created by default after the FreeRTOS system starts, and it has … Read more
Recently, I used FreeRTOS in a project and became curious about idle tasks and hook functions, so I wanted to understand what these two are used for. Here, I will share some of my insights.1. Idle TaskThe idle task is a task that is created by default after the FreeRTOS system starts, and it has … Read more
(Click the public account above, follow quickly) Compiled by: Linux China / Lv Feng, English: Julia Evans https://linux.cn/article-9588-1.html This week, I discovered that I could call C functions from gdb. This seemed cool because I previously thought that gdb was just a read-only debugging tool at best. I was surprised that gdb could call functions. … Read more
In this world, almost every programmer’s first piece of code is Hello World. The reason is that Dennis Ritchie, the author of the C language, introduced it in his classic work, which has been passed down as a classic for future generations, and other languages have followed suit in homage. 1. Components of a C … Read more
1.String “\\“ABC\“\\“ has a length of . A. 11 B. 7 C. 5 D. 3 Answer Explanation: The string constant consists of several characters, and the string length does not count ‘\0’ (the null terminator character), so in this question, \\ is one byte, \” is one byte, A is one byte, B is one … Read more
The C language, as a widely used and highly influential programming language, has its core syntax that constitutes the foundation of program design. Mastering these core syntax elements is key to in-depth learning of C language, enabling the development of various efficient and stable programs. Variables and Data Types In C language, a variable is … Read more
Follow+Star Public Number, don’t miss the wonderful content Author | strongerHuang WeChat Public Account | strongerHuang Most operating systems on the market have a type of API function interface: HOOK functions (also known as hook functions). HOOK functions can be found in desktop operating systems like Windows, Linux, as well as real-time operating systems like … 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
In many operating systems, there exists a type of API function interface called: HOOK functions. For example, HOOK functions can be found in desktop operating systems like Windows, as well as in real-time operating systems such as µC/OS and FreeRTOS. Let’s discuss HOOK functions in the context of µC/OS, including what they are and their … Read more