Year: 2025

Enhancing Equipment Management Efficiency: Innovation Drives Development

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Enhancing Equipment Management Efficiency: Innovation Drives Development

Since July, the Thermal Power Division has closely followed the deployment of the “Equipment Month” initiative, focusing on refined management to continuously promote key tasks such as hazard management, planned maintenance, and technological innovation, thereby advancing the upgrade of equipment management. From Passive Repair to Proactive Management “Equipment management is not just about treating symptoms, … Read more

Profit-Driven Smelting Technology Guided by High-Profit Smelting Equipment

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Profit-Driven Smelting Technology Guided by High-Profit Smelting Equipment

In the footnote of Chapter 24 of Volume 1 of “Capital,” Marx quoted a passage from British critic T.J. Dunning’s “Trade Unions and Strikes” (1860), which states: “Once there is a proper profit, capital becomes bold… With a 10% profit, it is guaranteed to be used everywhere; with a 20% profit, it becomes active; with … Read more

Daily Lesson on Equipment Management: Composition of Belt Conveyor Drive Devices

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Daily Lesson on Equipment Management: Composition of Belt Conveyor Drive Devices

1. Types of Belt Conveyor Drive Devices:The composition forms of belt conveyor drive devices are as follows: 1. Drive device composed of motor and reducer This drive device mainly consists of a motor, hydraulic coupler, reducer, coupling, drive drum, brake, and one-way clutch. 2. Electric drum drive device The electric drum integrates the motor and … Read more

Remote Control Key Mapping for Android Devices: A Comprehensive Guide from Low-Level Drivers to Application Layer

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Remote Control Key Mapping for Android Devices: A Comprehensive Guide from Low-Level Drivers to Application Layer

🔍 Why is Remote Control Key Mapping Necessary? In scenarios such as smart TVs, set-top boxes, and in-vehicle devices, remote controls are core interaction tools. However, the differences in remote control protocols and key definitions among different manufacturers can be significant. Without proper mapping, key events may not be correctly transmitted to the application layer, … Read more

The Driving Logic Behind the Value Upgrade of Entertainment Devices: From Functional Supply to Lifestyle Scenarios

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The Driving Logic Behind the Value Upgrade of Entertainment Devices: From Functional Supply to Lifestyle Scenarios

The differentiation and reconstruction of contemporary lifestyles are profoundly driving the entertainment device industry to transition from “functional supply” to “scenario ecology.” As the “immersive experience” of home scenarios and the “mobile recording” of outdoor scenarios become new consumer favorites, devices such as projectors, speakers, and action cameras have transcended their tool attributes, becoming vivid … Read more

Introduction to Linux Character Device Drivers (Part 0) – Overview of Linux Drivers

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Introduction to Linux Character Device Drivers (Part 0) - Overview of Linux Drivers

Video Collection (Introduction to Linux Character Device Drivers) 1 Linux Kernel Source Website www.kernel.org 2 Types of Drivers a Character Drivers b Block Drivers c Network Drivers 3 System Boot Process 1 U-Boot Boot 2 Kernel Boot 3 File System Boot 4 Differences Between Static and Dynamic Driver Loading: 1 Different Compilation Options y Driver … Read more

Windows PCI Device Driver Development Guide: Using SGL DMA

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Windows PCI Device Driver Development Guide: Using SGL DMA

In the previous article (Implementing a PCIe Device in Qemu: Supporting SGL DMA), we added a Bit Flip functionality (bitwise negation) to the PCIe device simulated in Qemu. In this functionality, we implemented support for Scatter-Gather List DMA (SGL DMA), allowing the use of non-contiguous physical memory as a DMA buffer. This article will introduce … Read more

Windows PCI Device Driver Development Guide: Supporting Function Level Reset (FLR)

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Windows PCI Device Driver Development Guide: Supporting Function Level Reset (FLR)

In the previous article (Implementing a PCIe Device in Qemu: Implementing Function Level Reset (FLR)), we added the FLR functionality to the PCIe device simulated in Qemu and triggered the reset operation of the device by writing to the PCIe configuration space using windbg. However, the FLR triggered by manually writing to the configuration space … Read more

Analysis of Answer to Checkpoint 10.3 in Assembly Language

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Analysis of Answer to Checkpoint 10.3 in Assembly Language

“Assembly Language”, 3rd Edition by Wang Shuang Chapter 10: CALL and RET Instructions Checkpoint 10.3 (Page 193) What is the value in ax after executing the following program? Memory Address Machine Code Assembly Instruction 1000:0 b8 00 00 mov ax, 0 1000:3 9A 09 00 00 10 call far ptr s 1000:8 40 inc ax … Read more