Welcome to Vu Tang's Docs Site¶
Quote by Paulo Coelho, the author of "The Alchemist"
Personal technical notes on embedded Linux, Linux kernel, programming and FPGA, written in both Vietnamese and English.
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65 notes · 7 topics · since 2019 · last updated 2026-10-19 · built with Mkdocs
Latest articles¶
Sau ba năm "thử nghiệm", cuối 2025 Rust chính thức thành ngôn ngữ thứ hai của nhân Linux. Rust là gì, nó vào kernel bằng con đường nào, và vì sao hành trình ấy khiến vài…
Cơ chế console cũ của printk() gây trễ hệ thống, mất log khi sự cố và từng chặn PREEMPTRT vào mainline. Bài này phân tích sáu giới hạn đó và cách NBCON giải quyết.
6G đã chuyển từ tầm nhìn sang kỹ thuật: 3GPP sẽ hoàn tất release 6G đầu tiên (Rel-21) vào 3/2029, ITU-R mở nhận đề xuất IMT-2030 từ 2/2027, và mạng thương mại sớm dự…
Topics¶
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Notes
Mkdocs, Markdown, shell script, Python and handy bookmarks.
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Articles
Short research articles, one small topic per article.
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Book & Materials
Reading notes on C, Linux, kernel and algorithm books.
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Linux Embedded
Petalinux, Yocto, U-Boot, Docker, PTP, DPDK and board projects.
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Linux Kernel
Device drivers (I2C, SPI, GPIO, UART, ALSA) and kernel debugging.
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Programming
C, data structures, design patterns, perf and multi-threading.
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FPGA
Static timing analysis in Vivado and Xilinx IP cores.
Document Tree¶
Notes
- Bookmarks: Collection of useful Linux websites, blogs and tutorial series.
- Mkdocs Tool: User guide for Mkdocs and how to publish it with Github Page.
- Markdown Language: Markdown syntax used to write this documentation.
- Shell Script: Shell script syntax notes (e.g. arrays) with a tutorial reference.
- Python: Quick Python syntax notes such as print formatting and lists.
- Virtual Machine: WIP – no content yet.
- What's next: To-do list of topics to study and write about next.
Book & Materials
Notes when reading books or some materials.
- C Programing: List of C programming books, including Head First C.
- Linux Programing: Linux books such as Linux in a Nutshell and The Linux Programming Interface.
- Linux Device Driver: Entry for the book Linux Device Drivers, 3rd edition.
- Linux Kernel: Entry for the book Understanding the Linux Kernel.
- Linux Embedded: Free Electrons slides on Embedded Linux kernel and driver development.
- Data Structure & Algorithms: Algorithms books by Robert Sedgewick (Algorithms 4th, Algorithms in C).
- Others: Other books, currently The Art of Computer Programming.
Linux Embedded
- Overview: Overview of what an embedded Linux system engineer has to do.
- HW Platforms: List of hardware platforms used, such as Xilinx Zynq7000 and Zynq UltraScale+.
- Common Tools
- Makefile: Definition & syntax of Makefile and the make build tool.
- Version Control Concept: Introduction to version control and popular client-server and distributed systems.
- Git: Handy Git commands, e.g. merging repositories and linking a local repo to a remote.
- Xilinx Petalinux
- Overview: Overview of Xilinx Petalinux tooling for porting Linux to Zynq7000.
- Petalinux 2017: Technical notes and tips from working with Petalinux 2017.4.
- List of Petalinux Images: Table describing the image files Petalinux produces.
- Yocto
- Overview: Key Yocto terms and definitions (build directory, package, ...).
- Bootloader
- U-Boot on Zynq: WIP – no content yet.
- ES Devices
- EEPROM: Introduction to serial EEPROM devices and their characteristics.
- Docker: WIP – no content yet.
- Linux PTP: Network synchronization with IEEE 1588 PTP and ITU-T G.8260 on Linux.
- DPDK: WIP – no content yet.
- Network Block Device: Introduction to and usage of Network Block Device for remote block storage.
- Tips: Practical tips such as SSH options for remote control.
- Projects: projects are implemented in several platforms.
- Zynq: Projects on Zynq boards such as Zedboard and Picozed.
- IMX8: WIP – no content yet.
- Raspberrypi 3B: Raspberry Pi 3 Model B links and notes on porting Linux.
- Linux General
Linux Kernel
- Linux Device Driver
- Overview: Overview of general concepts of Linux Device Driver.
- Kernel Module: Kernel module basics and printing logs with printk and dev_* functions.
- Platform Device: WIP – no content yet.
- I2C Subsystem: I2C bus and the Linux I2C platform driver model.
- SPI Device: Developing SPI device drivers in the Linux kernel.
- SPI Device Advance: Advanced SPI topics: extending chip-select signals and SPI GPIO (outline only).
- GPIO: The Linux GPIO subsystem from the driver perspective.
- UART: Serial (UART) programming in userspace with reference materials.
- JESD: WIP – no content yet.
- Audio: Audio in Linux: ALSA architecture and concepts.
- PCIe: WIP – no content yet.
- Linux Kernel General
- Kernel Data Structure: Kernel data structures such as the list_head linked list.
- Kernel Space, User Space Interfaces: Reference link on kernel space and user space interfaces.
- FTrace: How to use ftrace to debug the kernel, from a real synchronization bug.
- Dynamic Debug: Enabling and disabling kernel debug messages at runtime with dynamic debug.
Programming
- C: History and standards of the C language.
- Data Structure & Algorithms
- Index: Table of contents of data structure and algorithm notes.
- Linked List: Doubly linked list implementation, using an example from CS144.
- Queue: Queue implemented with arrays and lists (outline only).
- SQL: MySQL notes, currently only installation heading.
- Linux Programming Interfaces: Points to the book The Linux Programming Interface.
- Design Patterns: Software design patterns, e.g. the Reactor event-handling pattern.
- Multi-threads: Link to Oracle's multi-threaded programming guide.
- Perf: Using perf to monitor and record system performance events.
FPGA
- Static Timing Analysis: Basic definitions of static timing analysis and STA in Xilinx Vivado.
- Xilinx IPCore: Xilinx IP core usage, e.g. configuring Clocking Wizard dynamically over AXI4-Lite.
Statistics¶
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Document Rules¶
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Suitable picture size is: 300x200.
Use GIMP for scaling figure (Folow instructions in Photos/ResizingPhotos from help.ubuntu.com). -
This document is writen in both Vietnamese and English.