Introduction: How to excel in embedded systems? This question, when asked, will invariably lead to the answer:Master the C language! Today, I recommend a comprehensive summary of embedded C language knowledge points written by an expert, which is definitely worth reading.From a syntactical perspective, C language is not complex, but writing high-quality and reliable embedded … Read more
Introduction How can one excel in embedded development? Master the C language! Today, I would like to recommend a summary of embedded C language knowledge points written by an expert.Keywords in C Language The keywords in C language can be categorized by their functions: Data types (commonly used: char, short, int, long, unsigned, float, double) … Read more
01 Basic Information 02 Course Introduction “Introduction to Programming Fundamentals (C Language)” is an important foundational course for the Geographic Information Science major. This course focuses on the basic syntax of C language, principles of program compilation, and debugging methods, guiding students to become familiar with commonly used development tools. The specific course content is … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Pycopy: Run Python on Micro Devices! Python has become a favorite in the programming world, but on resource-constrained embedded devices, traditional CPython often falls short. Today, we will discuss this lightweight implementation of Python—Pycopy, which is like a small … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Python is the all-round warrior of the programming world, while MicroPython is like a lightweight version of this warrior. Imagine traditional Python as a heavy-duty truck, while MicroPython is a nimble motorcycle that can easily navigate various small hardware … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Pycopy: The Lightweight Python Revolution for Embedded Systems With the rapid development of the Internet of Things and embedded systems, developers have been eager to find a Python runtime environment that is both lightweight and powerful. Pycopy is an … Read more
Today, let’s talk about a relatively advanced concept in C language—double pointers. Double pointers are like the “key to deep control” in the programming world, helping us implement more complex logic in memory operations. As a seasoned engineer graduated from Peking University, I will guide you through the charm of double pointers in an easy-to-understand … Read more
Defining Struct Variables The following example illustrates how to define a struct variable. struct string { char name[8]; int age; char sex[2]; char depart[20]; float wage1, wage2, wage3, wage4, wage5; }person; This example defines a struct variable named person of type string. The variable name person can also be omitted, defined as follows: struct string … Read more
If your server’s memory usage is too high, causing slow performance or crashes, you can try the following Linux command to quickly free up cached memory: # This parameter can be used to instruct the kernel to actively free memory caches, but it will not affect running programs. sync; echo 3 > /proc/sys/vm/drop_caches Command Explanation … Read more
Today, let’s talk about the various application scenarios of pointers in the C language. Pointers play a crucial role in programming; they are like a “core tool” that helps us manipulate data precisely in the world of memory. As a seasoned technician, I will guide you through the powerful functions of pointers in an easy-to-understand … Read more