Regarding how to learn the Embedded Linux kernel, I have some personal insights and understandings that I would like to share. Everyone has their own methods for learning the Linux kernel, and it varies from person to person. Generally, engineers engaged in embedded Linux driver and kernel development can be divided into two types: one … Read more
Follow+Star PublicAccount, don’t miss exciting content Author | strongerHuang WeChat Official Account | Embedded Column In MCU-based embedded software development, there may be situations where there is no extra storage space, thus failing to effectively save debug and log information locally. In this case, outputting debug (Debug) and log (Log) information through some means becomes … Read more
Follow+Star Public Account, don’t miss out on exciting content Source | Embedded Miscellaneous In our embedded development, printing logs is the most commonly used debugging method. Properly printing logs can help us quickly analyze problems. This article summarizes some rules for logging in embedded systems. 1. When to Add Logs? (1) Error Handling For unrecoverable … Read more
Follow+Star Public Account, don’t miss the wonderful content Author | strongerHuang WeChat Official Account | strongerHuang In a small company, one person might be responsible for the entire project, covering hardware, software, and testing. However, more formal companies tend to subdivide tasks, separating software development and testing.To avoid conflicts between software and testing, writing test … Read more
Why Is Outputting Debug Information Important in Embedded Development? Outputting debug information is a crucial practice in embedded development; it helps ensure software reliability, stability, and performance, and is one of the key tools for troubleshooting. The Main Functions of Outputting Debug Information in Embedded Development Are as Follows: 1. Error Troubleshooting and Problem Localization … Read more
Debugging Fire Alarm Controllers 4.3.1 Before debugging, all external control connections of the fire alarm controller should be disconnected. After connecting any fire detector from the bus loop and manual fire alarm buttons on that loop, the power can be turned on. Check quantity: All checks. Inspection method: Visual inspection.4.3.2 Perform the following functional checks … Read more
I often think back to that scene: late on a weekend night, under the dim light of a desk lamp, I stared at the faintly flickering LED on the experiment board, feeling both excited and anxious. Its blinking in the darkness seemed to give me immense encouragement and illuminated my path to exploring the embedded … Read more
I should have planned to write a series about Linux a couple of years ago, but I never had the determination. There are many reasons for my lack of resolve, the main one being that I feel I don’t have much time, and I tend to enjoy reading a wide variety of random topics. It’s … Read more
1. What Is Wing IDE Wing IDE is an integrated development environment specifically designed for the Python programming language. Since 1999, Wingware has focused on Python development and has become a renowned Python development framework. Wing IDE boasts numerous distinct features and powerful functionalities. Its interface resembles an enhanced IDE, using a “multi-window” layout similar … Read more
I believe this kind of bug can happen to anyone, even experts. Let’s take a look at the bug made by the author. First, the author wanted to write a program to create a file. If a filename is provided, it creates the actual file; if not, it calls tmpfile() to create a temporary file. … Read more