Event-Driven Programming

C++ Project Recommendation – A KV Storage Project Comparable to Redis – Including Performance Optimization Techniques

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C++ Project Recommendation - A KV Storage Project Comparable to Redis - Including Performance Optimization Techniques

Overview This tutorial will guide you step by step to implement a high-performance Mini-Redis from scratch, covering core technologies such as RESP protocol parsing, event-driven network programming, data structure implementation, persistence, and master-slave replication. This KV storage project is a C++ project that can truly be added to your resume. Unlike other KV storage projects … Read more

Python Implementation of a Circular Seal Generator

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Python Implementation of a Circular Seal Generator

Effect Diagram – Please follow our official account!!! Hello everyone, today we will discuss a “Circular Seal Generator” written in Python. This program is developed using the tkinter GUI library, and its functionality is very intuitive: you can customize the top circular text, middle horizontal text, and bottom text of the seal through the controls … Read more

Embedded State Machine Programming – QP State Machine Framework

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Embedded State Machine Programming - QP State Machine Framework

Content Source: Sun Wukong Seeking Knowledge Basic Terminology of State Machines Current State: Refers to the state currently being occupied. Condition: Also known as “event”, when a condition is met, it will trigger an action or execute a state transition. Action: The action executed after the condition is met. After the action is completed, it … Read more

Event-Driven Programming for Fault Diagnosis in Smart Home PLC Systems

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Event-Driven Programming for Fault Diagnosis in Smart Home PLC Systems

Click the blue text for more exciting information Event-Driven Programming for Fault Diagnosis in Smart Home PLC Systems Over the years, I have worked on numerous smart home projects and discovered a common issue: when a fault occurs, everyone is completely at a loss! Homeowners call every day, and for a minor issue, I have … Read more

Various Techniques for State Machines in Embedded Systems

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Various Techniques for State Machines in Embedded Systems

State machines are ubiquitous in embedded software, and you might say, what is so difficult about state machines? Aren’t they just switches? Switch is merely the most basic point; there are many more operations regarding state machines that you may not have encountered. Below, I will share several implementation methods. 1. Basic Terminology of State … Read more

Cost-Reducing Techniques in Event-Driven Programming for PLC Industrial Automation Systems

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Cost-Reducing Techniques in Event-Driven Programming for PLC Industrial Automation Systems

Click the blue text to follow! Cost-Reducing Techniques in Event-Driven Programming for PLC Industrial Automation Systems Last month, the packaging production line that Xiao Li was responsible for encountered issues again; the equipment inexplicably stopped every three to four hours, almost delaying the delivery schedule. The factory manager was in a panic, and the maintenance … Read more

Research on Control Algorithms of PLC Event-Driven Programming in Building Automation Control

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Research on Control Algorithms of PLC Event-Driven Programming in Building Automation Control

Yesterday, I received a request for help from a colleague who said that the intelligent building automation system he was responsible for was always “misbehaving”—the corridor lights would turn on and off unpredictably, and the conference room air conditioning was fluctuating between hot and cold. I immediately recognized that this was the fault of the … Read more

Implementing IoT Application Simulation Technology through PLC Event-Driven Programming

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Implementing IoT Application Simulation Technology through PLC Event-Driven Programming

Implementing IoT Application Simulation Technology through PLC Event-Driven Programming Just returned from the factory, and the marks from the screwdriver on my hand haven’t faded yet. Today, I debugged a PLC-based IoT control system, and to be honest, it was incredibly smooth! I remember visiting a factory last month where their equipment was still using … Read more

Function Pointers and Callback Mechanism in C++: Write More Flexible Code

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Function Pointers and Callback Mechanism in C++: Write More Flexible Code

Hello everyone! Today we are going to talk about a particularly practical and interesting topic—function pointers and callback mechanisms. In C++, function pointers are a tool that makes your code more flexible, allowing you to dynamically choose which function to execute at runtime. The callback mechanism is a classic application of function pointers, widely used … Read more