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Coolpad Technology Team
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Coolpad Technology Team

Committed to advancing technology and supporting innovators. The Coolpad Technology Team regularly shares forward‑looking insights, product updates, and tech news. Tech experts are welcome to join; everyone is invited to follow us.

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Recent Articles

Latest from Coolpad Technology Team

32 recent articles
Coolpad Technology Team
Coolpad Technology Team
Jul 22, 2024 · Operations

Dual-Display Adaptation of a Financial Terminal Tablet on OpenHarmony with RK3588: Architecture, DTS Configuration, Driver Porting, and Hotplug Handling

This article details the successful adaptation of a financial terminal tablet to OpenHarmony on an RK3588 platform, covering the RK3588 display architecture, eDP + DP‑to‑HDMI dual‑screen configuration, DTS settings, Linux DRM driver porting, testing with hello_composer, and the challenges and solutions for DP hot‑plug support.

Display DriverHotplugLinux DRM
0 likes · 10 min read
Dual-Display Adaptation of a Financial Terminal Tablet on OpenHarmony with RK3588: Architecture, DTS Configuration, Driver Porting, and Hotplug Handling
Coolpad Technology Team
Coolpad Technology Team
Jan 4, 2024 · Fundamentals

Debugging OpenHarmony System Ability Management and Pasteboard Service Freeze on the T606 Platform

The article investigates a freeze occurring when dragging icons on an OpenHarmony 3.2.2 device after adapting the Spreadtrum T606 platform, analyzes related system‑ability (SA) logs, explains the SA and SAFWK frameworks, traces the PasteboardService failure to a missing serial‑number configuration, and proposes a practical fix.

DebuggingOpenHarmonyPasteboardService
0 likes · 14 min read
Debugging OpenHarmony System Ability Management and Pasteboard Service Freeze on the T606 Platform
Coolpad Technology Team
Coolpad Technology Team
Nov 10, 2023 · Mobile Development

Adapting Mesa GPU Driver for OpenHarmony on the Spreadtrum T606 Platform

This article details the process of integrating the open‑source Mesa 3D graphics stack and the Panfrost GPU driver into OpenHarmony 3.2.2 on a Spreadtrum T606 (Mali‑G57) platform, covering hardware setup, compilation options, code modifications, debugging steps, performance analysis, and lessons learned.

GPU DriverMesaOpenHarmony
0 likes · 15 min read
Adapting Mesa GPU Driver for OpenHarmony on the Spreadtrum T606 Platform
Coolpad Technology Team
Coolpad Technology Team
Apr 27, 2023 · Cloud Computing

EROFS Cluster Mode Analysis in Linux Kernel 6.x

This article analyzes the EROFS cluster modes (INFLIGHT, HOOKED, FOLLOWED, FOLLOWED_NOINPLACE) in Linux kernel 6.x, explaining how they determine whether in-place I/O can be used based on the current status of pclusters in the chain.

Cluster ModesEROFSIn-place I/O
0 likes · 6 min read
EROFS Cluster Mode Analysis in Linux Kernel 6.x
Coolpad Technology Team
Coolpad Technology Team
Dec 27, 2022 · Fundamentals

Fragment Deduplication Support in erofs-utils mkfs

This article explains the implementation of fragment deduplication in the erofs-utils mkfs tool, describing the hash‑based fragment lookup, the conditions for fixing fragments during compression, the generation of additional extents, and the integration of these steps into the existing packing workflow.

FilesystemKernelcompression
0 likes · 8 min read
Fragment Deduplication Support in erofs-utils mkfs
Coolpad Technology Team
Coolpad Technology Team
Nov 11, 2022 · Frontend Development

Quantitative Color Extraction and Optimization for UI Design

This article presents a scientific color adaptation solution that uses a quantization algorithm to extract dominant image colors, refines them via HSB adjustments, validates against WCAG contrast standards, and demonstrates practical deployment in app store and game center interfaces.

Android PaletteHSBUI design
0 likes · 8 min read
Quantitative Color Extraction and Optimization for UI Design
Coolpad Technology Team
Coolpad Technology Team
Oct 28, 2022 · Fundamentals

Understanding Linux Kernel Readahead: Concepts, Benefits, Drawbacks, and Code Analysis

This article explains the design background, performance benefits, potential drawbacks, synchronous and asynchronous mechanisms, key data structures, operational principles, illustrative examples, and critical code paths of Linux kernel file readahead, providing a comprehensive technical overview for developers and system engineers.

I/O performanceLinuxfile system
0 likes · 15 min read
Understanding Linux Kernel Readahead: Concepts, Benefits, Drawbacks, and Code Analysis
Coolpad Technology Team
Coolpad Technology Team
Sep 15, 2022 · Mobile Development

Implementing View‑Level Background Blur on Android: Open‑Source Solutions and Custom Approaches

This article examines the challenges of achieving view‑level background blur on Android, compares four implementation strategies—including open‑source libraries and custom AOSP modifications—analyzes their performance, compatibility, and visual quality, and provides code examples and practical recommendations for developers.

AndroidGraphicsSkia
0 likes · 19 min read
Implementing View‑Level Background Blur on Android: Open‑Source Solutions and Custom Approaches