Click the aboveblue text to follow us This article will analyze the core concepts, technical details, and practical applications of the Modbus protocol from the interviewer’s perspective, providing a comprehensive interview preparation guide for technical personnel. 1 What are the differences between Modbus RTU, Modbus ASCII, and Modbus TCP? Interviewers often assess candidates’ technical depth … Read more
When it comes to learning embedded systems, there is undoubtedly a lot to learn and remember. Writing this down helps me reconstruct problems and receive guidance from peers. 1. What is GDB? During our programming journey, we inevitably encounter program crashes, variable anomalies, and logical errors. This can be particularly frustrating for technical support workers … Read more
As we all know, embedded development is a “cross-border battlefield” between software and hardware, and C/C++ serves as the main assembly language, requiring a balance between performance and hardware control. If you want to become an embedded engineer, what key points should you focus on learning in these two languages?! Interrupt Latency Optimization: Disable global … Read more
Modern CMake Reference to Teacher Xiao Peng’s Modern CMake course Modern CMake refers to CMake 3.X while ancient CMake refers to CMake 2.X Build Command Comparison # Ancient CMake The build command for ancient CMake: # First, create the build directory mkdir -p build # Switch to the build directory cd build # Run cmake … Read more
Hello everyone👋, today let’s talk about the GCC certification that is essential for selling upholstered furniture on Amazon! If you plan to sell cushioned stools, chairs, sofas, or outdoor upholstered furniture like folding beds and chairs on Amazon US, this article is packed with valuable information, so make sure to take note! What is GCC … Read more
丨Scan the QR code in the image above to join the community and download 5K+ resources 丨Knowledge, Q&A, and collaboration, essential tools for the AI industry Introduction: The report indicates that GCC has transformed from a transaction efficiency center to a strategic enabler, but only 8% of GCCs have reached maturity, excelling in the three … Read more
Many customers confuse the Gulf GCC certification with the US GCC certification in exports. The two are different certifications, and below we will discuss their differences in terms of definition, standards, and product scope. 1. Gulf GCC Certification: The GCC is the abbreviation for the Gulf Cooperation Council. The Gulf Cooperation Council was established on … Read more
Currently, the battle for the repair of key equipment in comprehensive workshops is in full swing! To strengthen the foundation of production and ensure efficient operation, since the campaign began on June 12, the Comprehensive Maintenance Center has responded swiftly, gathering elite forces, adhering to the philosophy of “standardization leads, striving for excellence,” and closely … Read more
Role Model Power Driving Equipment Operation and Maintenance Transformation through Technological Innovation At the plate energy management center, Han Bo is a leading talent who has continuously researched on the front line. At 40 years old, he is a dual-high talent with senior electrical engineer and senior technician qualifications in mechanical equipment inspection. He possesses … Read more
To add more functionality to the PCI device driver we wrote, we simulated a test PCIe device on QEMU, allowing us to implement features we wanted, such as DMA and interrupts. For the specific implementation of this PCIe test device, please refer to How to Implement a PCIe Device in QEMU. The Vendor ID and … Read more