Follow+Star Public Number, don’t miss the wonderful content Author | strongerHuang WeChat Public Account | strongerHuang Most operating systems on the market have a type of API function interface: HOOK functions (also known as hook functions). HOOK functions can be found in desktop operating systems like Windows, Linux, as well as real-time operating systems like … Read more
Author | strongerHuang WeChat Official Account | Embedded Column In RTOS multi-task programming, it is common for multiple tasks to access the same hardware (such as UART, I2C, etc.). If not handled properly, it can lead to a “chaotic” situation. There are many methods to handle the “chaotic” situation. Below, based on FreeRTOS, I will … Read more
Follow+Star Public Number, don’t miss wonderful content Source | McuLover666 1. Knowledge Point Consolidation 1.1. Knowledge Point Consolidation The three major elements of a task: task control block, task stack, task entry function, here you can refer to the article: How to write RTOS tasks? 1.2. Doubly Circular Linked List A doubly linked list is … Read more
Read the latest documentation,Participate in: 【Find Errors in Documentation and Win Prizes】 Activity The latest documentation content can be found at:https://docs.openluat.com/air780e/luatos/app/service/wdt 1. Introduction to Watchdog Circuit The Watchdog Timer (WDT) is a monitoring circuit primarily used in embedded systems to enhance the reliability and stability of the system. With the help of the watchdog circuit, … Read more
Originally, I planned to do something big over the weekend, like WIFI and web pages. However, after two days of work and discussions with foreign friends, I realized that there was a problem with the firmware. After communicating with a senior expert at night, I found out that the official firmware for the ESP32S has … Read more
If you are unfamiliar with NanoFramework, you can check out the following examples 
ESP32 Phase One Course is now live, here are some explanations and introductions to this course: 1. This tutorial is the first phase of the ESP32 course, covering mainly ESP32 introduction, environment installation, GPIO interface, external interrupts, UART communication, ADC, DAC, timers, IIC bus, SPI bus, and IIS bus. Since the core feature of the … Read more
Advantages of ESP32 Before discussing this issue, we first need to outline the advantages of ESP32 compared to STM32. The ESP32 features a dual-core 240MHz processor, built-in WiFi and Bluetooth including low power Bluetooth, while most STM32 chips lack built-in wireless capabilities and rely on external devices for wireless communication, which is the main advantage … Read more
Hello everyone, I am a basketball enthusiast who writes code. Recently, I came across a very interesting project online where an expert has successfully ported the Linux kernel to the ESP32 and got it running. On foreign websites, many people are discussing this matter. https://hackaday.com/2021/07/21/its-linux-but-on-an-esp32/ The ESP32 is a chip launched by Espressif for smart … Read more
LingShun Lab (lingshunlab.com) mainly introduces how to use multithreading with FreeRTOS on the ESP32. What is Multithreading? It refers to the technology of implementing multiple threads to execute concurrently from software or hardware. Computers with multithreading capabilities can execute more than one thread at the same time due to hardware support, thereby improving overall processing … Read more