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2025-01-16 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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Today, I will talk to you about what are the four steps of effectively learning RT-Thread, which may not be well understood by many people. in order to make you understand better, the editor has summarized the following contents for you. I hope you can get something according to this article.
RT-Thread is a real-time operating system (RTOS) kernel, middleware components and developer community in one technology platform, led by Mr. Xiong Puxiang and the open source community to develop, with a very small kernel, highly scalable, rich components and other features. After 11 years of cumulative development, RT-Thread has the largest embedded open source community in China, and has been widely used in energy, vehicle, medical, consumer electronics and other industries, with a cumulative installed capacity of tens of millions, making it the most mature, stable and largest open source RTOS independently developed by Chinese people.
RT-Thread has a good software ecology, supporting all the mainstream compilation tools on the market, such as GCC, Keil, IAR, etc., and the tool chain is perfect and friendly; it supports all kinds of standard interfaces, such as POSIX, CMSIS, C++ application environment, Javascript execution environment, etc., making it convenient for developers to migrate all kinds of applications. Commercially supports all major MCU architectures, such as ARM Cortex-M/R/A,MIPS,x86,Xtensa,C-Sky, and supports almost all mainstream MCU and WiFi chips on the market.
Let's get down to business and talk about how to learn RT-Thread effectively.
0. Please prepare the basic knowledge of C language; know how to write the basic C language code; write the code and know how to fix it when there is an error in compilation
1. Find a set of development boards to get started; for the sake of code debugging, it is recommended to choose the development board of stm32 or nxp lpc series processors. Take some time to get kernel + shell running without much code modification.
two。 To be able to run the basic kernel + shell has actually entered the threshold of RT-Thread. It should be no problem to add a small code and write a "Hello RT-thread\ n" print. On this basis, the next step is the scope of real-time operating system learning. The classic (real-time) operating system problem can be two: the producer-consumer problem and the philosopher problem. You can find the corresponding problem description and implement it all on the development board (preferably in a variety of ways). In this process, if you still don't understand some basic knowledge of the operating system, you can find some books to check it out. In 2017, there should also be one such book based on RT-Thread, which can be read by comparison.
3. To solve the problem of producer / consumer and philosopher, it should be said that RTOS has been introduced (not just RT-Thread here). Then you can browse familiar with and use some other parts of RT-Thread, such as timers, memory management, etc., of course, it is also necessary to understand the device framework of RT-Thread, the simplest: how to use a serial device, you can also see how to operate serial devices in shell. Here, the "RT-Thread programming Guide" is the most important reference, you can read it carefully, and most of the questions can be answered in it.
4. Learn about the components of RT-Thread. The core components of RT-Thread include: real-time kernel, command line shell; file system, TCP/IP network protocol stack and so on. Then it revolves around these standard interfaces that try to be compatible with POSIX. According to this principle, RT-Thread (attempts) provides standard interfaces for the file system and TCP/IP network protocol stack, hoping to get started and migrate quickly, so it is very helpful to look for some POSIX materials when using these components but do not know how to use them. At this stage, in fact, it should be closely related to practice, without practice, this part will be forgotten very quickly.
After reading the above, do you have any further understanding of the four steps of effectively learning RT-Thread? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.
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