Follow+Star Public Account, don’t miss out on exciting content Source | Technology Makes Dreams Greater Recently, I encountered the issue of byte high-low bit conversion in a protocol, so I lazily searched online and found a similar problem, and learned a new term called butterfly swapping. The protocol requires that the low byte is on … Read more
Lifetime Technical Support:186 3636 9649 Author Introduction: Fan Shengmin (186 3636 9649), Member of the Science Writers Association of Yuncheng City, Member of the Science Writers Association of Shanxi Province. Author of maker education. Published “Playing with Electronics” in 2016, “Super Fun Electronic Production” in 2017, “Electrical Experiments in Life” in 2018, “Arduino Programming and … Read more
A few months ago, I had a pleasant lunch in Baltimore with two young entrepreneurs who had recently graduated from the Computer Science department at Johns Hopkins University and started a rapidly growing consulting company. Their company specializes in writing web-centric database software using a language known as Ruby on Rails (also referred to as … Read more
01Union In the previous article “Combining Enumerations and Structures”, it was mentioned that a structure is like a packaging encapsulation, encapsulating some variables with common characteristics inside. A structure is a constructed type or complex type that can contain multiple members of different types. In the C language, there is another syntax very similar to … Read more
Concept of union In Chinese, union is referred to as a union, joint, or collective. Its definition format is the same as that of a struct, but its meaning is entirely different. Below is the definition format of a union: union union_name { member_list } union_variable_name; Since its definition format is the same as that … Read more
I am Lao Wen, an embedded engineer who loves learning. Follow me, and let's become better together! The state machine pattern is a behavioral pattern that effectively implements state transitions through polymorphism. Unfortunately, in embedded environments, we often have to write pure C code, and we also need to consider reentrancy and multitasking requests, which … Read more
1 Object-Oriented C Object-oriented languages are closer to human thinking patterns, significantly reducing code complexity while enhancing code readability and maintainability. Traditional C code can also be designed to be readable, maintainable, and of lower complexity. This article will illustrate this through a practical example. 2 Basic Knowledge 2.1 Structures In addition to providing basic … Read more
The issue of endianness is not new in embedded development. As developers, we have a clear understanding of the endianness problem in embedded development, and here I will provide a simple summary of this issue. Endianness refers to the order of bytes in memory. There is a wealth of information available online regarding endianness, so … Read more
Follow and star our public account for exciting content ID: Technology Makes Dreams Greater Source: Online Materials For a beginner transitioning from novice to expert, a learning model like identifying problems → engaging in thought → proposing solutions is very effective. 1. Problems Encountered Through this period of coding practice, I have accumulated some coding … Read more
Follow+Star Public Account, don’t miss out on exciting content Author | Li Xiaoyao Source | Technology Makes Dreams Greater What is a Variable? Variables can generally be subdivided as shown in the figure below: The focus of this section is to help everyone understand the “stack” in the memory model, temporarily disregarding the case of … Read more