1. Introduction: The Power of C++ Behind Network Chat Applications In today’s digital age, network chat applications have become an indispensable part of our lives. Whether chatting with friends and family or collaborating with colleagues at work, popular chat tools like WeChat, QQ, and DingTalk have broken the constraints of time and space, allowing instant … Read more
USB Development 1. Introduction This article demonstrates the process of using libusb for USB host application development on embedded platforms. Finally, a case study is shared, which involves real-time video stream collection through a custom protocol using bulk transfer. Refer to other articles on this development board https://mp.weixin.qq.com/s/5gDfX__U8-F4MVqn92KtLw Playing Board Series II: Setting Up Samba … Read more
Click the blue text above Follow Us! At 6:42 AM, the alarm clock went off. You look good, thanks to the sleep cycle monitor on your nightstand, which uses built-in edge Artificial Intelligence (AI) and radar technology to monitor your heart rate and breathing, helping you optimize the precise wake-up time. As you walk to … Read more
Recently, I’ve been quite busy, and focusing on the right direction is important. The VFP hardware development course has recently concluded, and I’m taking the opportunity to complete the MQTT client, which supports QOS0, QOS1, and LAST WILL MSG. Support for QOS2 will be considered if there is demand. Cat’s Heartfelt Words Garfield’s VFP | … Read more
Author: bobyzhang, Tencent IEG Operations Development Engineer There is a debug mode when compiling PHP, which disables memory optimization, alerts for memory leaks, and disables call stack optimization to allow us to see the complete PHP C-level call stack. Typically, I compile two versions of PHP (one normal and one with debug) in different directories, … Read more
Introduction to Mbed OS Mbed OS is a free and open-source IoT operating system designed based on the Arm® Cortex®-M architecture, developed collaboratively by Arm and its technology partners. It features connectivity, ease of use, security, modularity, support for device management, and machine learning, while providing software libraries, development hardware, tutorials, and code examples to … Read more
1. Introduction 1. Introduction to make make is a build automation tool that looks for Makefile or makefile files in the current directory. If the corresponding file exists, it will complete the build tasks according to the rules defined within. 2. Introduction to Makefile With Makefile, we no longer need to manually input compilation commands … Read more
When designing Internet of Things (IoT) devices, whether to use a wireless module or a System on Chip (SoC) can be a critical and challenging decision. Each option has its unique advantages and disadvantages, and choosing the right technology requires a balance of performance, functionality, and cost. In this article, we will eliminate some uncertainties … Read more
Follow the public account below: Power Talk Follow, share, like, and support quality content! Hello everyone, I am Power Talk, for battery charging circuits, the path management function is particularly important. This article illustrates this typical function through a simple block diagram. Figure 1 Typical block diagram of battery charging circuit with path management From … Read more
1. Introduction to CMake CMake is a cross-platform installation (compilation) tool that can describe the installation (compilation process) for all platforms using simple statements. It can output various makefiles or project files, and can test the C++ features supported by the compiler, similar to automake under UNIX. The configuration file for CMake is named CMakeLists.txt. … Read more