Click on the above “Baibai Technology” and select “Pin to Public Account” Embedded essentials delivered instantly Question 1: Briefly describe the differences between memcpy and strcpy? Question 2: What are the differences between semaphores and mutexes? Question 3: Briefly describe the process of program compilation? Answer to Question 1: (1) The content copied is different. … Read more
Low-Level Systems Application Development If you want to do application development, then you should learn C, data structures, JAVA, and so on. There is nothing particularly different about embedded application development compared to PC application development. You might say that optimization is necessary in embedded systems, and yes, optimization is required, but an unoptimized program … Read more
1. What is a Character Device? First, we need to understand what a character device is. A character device is, simply put, a device that reads and writes data byte by byte, like keyboards, mice, and serial ports. Unlike block devices (like hard drives), character devices do not support random access; data must be read … Read more
Embedded systems are the core of modern electronic devices, and their security is crucial. These systems often contain sensitive data and critical functions, and if attacked, could lead to data breaches, system failures, or even physical damage. Therefore, security must be fully considered during the embedded design process. This article will delve into the security … Read more
In the world of Python, asynchronous programming is an efficient way to handle high-concurrency tasks. This article will quickly guide you to understand and master the aiohttp library, a powerful asynchronous HTTP client and server framework. Whether you are a beginner or an experienced developer, you will be able to easily get started with aiohttp … Read more
Good evening everyone, and I wish you all a happy Dragon Boat Festival. Today, I would like to share with you the project management tool CMake. There is no prior introduction to the Makefile project management tool (to be honest, these two are quite similar; CMake ultimately generates a Makefile, but the syntax of CMake … Read more
Source: WeChat Official Account 【Fish Eagle Talks About Microcontrollers】 Author: Fish Eagle Osprey ID: emOsprey Hello everyone, I am Fish Eagle. Today I will share two editing techniques that I accidentally discovered, which can speed up your editing process. Regarding editing techniques, I previously introduced “Editing Techniques and Methods in KEIL” in my notes, and … Read more
Source: WeChat Official Account 【Osprey Talks Microcontrollers】 Author: Osprey ID: emOsprey This note introduces some commonly used KEIL editing methods and techniques by Osprey to speed up editing. Of course, many people now prefer using software like VSCode or SI for editing, but it cannot be denied that many practitioners still choose KEIL as their … Read more
Click on the above“Wheat Uncle”, select“Top/Star Official Account” Welfare dry goods delivered first-hand Hello everyone, I am Wheat. Today we will learn about what exactly a BSP engineer is. 1. Embedded Systems To understand what an embedded software engineer is, we first need to talk about embedded systems (embedded devices). According to Wikipedia, an embedded … Read more
Here is a summary of the 315M wireless module’s reception program. #include <AT89X52.H> #include "string.h" // LCD Block #define LCM_RW P3_6 // Define pin #define LCM_RS P3_5 #define LCM_E P3_7 #define LCM_Data P1 #define Busy 0x80 // Used to detect Busy flag in LCM status word typedef int byte; typedef unsigned int word; void Read_Temp(void); … Read more