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Step-by-Step Guide to Porting Linux Kernel to New Embedded Hardware
Porting the Linux kernel to new embedded hardware is a complex but rewarding task. It allows you … Read more
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Android audio_policy_configuration.xml Architecture & Setup
Learn how Android Audio HAL routes streams, maps mixPorts to devicePorts, and configures audio_policy_configuration.xml for custom BSP hardware.
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Introduction to Embedded Linux: A Comprehensive Guide for Beginners
Embedded Linux is a specialized version of the Linux operating system designed to run on embedded systems. … Read more
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Linux USB Composite Gadget Architecture: ConfigFS, Drivers, and Execution Flow
Explore Linux USB composite gadget architecture: ConfigFS setup scripts, struct usb_function kernel driver flows, UDC bindings, and endpoint allocation.
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Read Android API Level and Build Information Safely
Android’s `Build` and `Build.VERSION` APIs expose platform and firmware metadata, but those values serve different purposes. Use the numeric API level for compatibility checks, treat display strings as diagnostics, and avoid turning hardware fields into tracking identifiers.
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Step-by-Step Tutorial: Building Your First Embedded Linux System
Building an embedded Linux system from scratch is a rewarding experience that provides a deep understanding of … Read more
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Direct Screen Drawing in Linux: A Hands-on Guide to Framebuffer Programming in C
Program Linux framebuffer devices (/dev/fb0) in C: query screen resolution via ioctl, map video memory with mmap, and render raw RGB pixel buffers.
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Presentation – Hardware for Embedded System Development
Embedded-Hardware
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Fix Wi-Fi Not Detected on Ubuntu: A Diagnostic Guide
A missing Wi-Fi menu, a missing adapter, and one missing network are different failures. Follow this evidence-first Ubuntu workflow to locate the broken layer before restarting services or changing drivers.
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Building Custom Embedded Linux Kernels: From Defconfig to Production Deployment
Master custom embedded Linux kernel compilation: configure defconfig, strip bloated subsystems, tune menuconfig, compile DTBs, and boot on ARM hardware.
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Bitfields in C: Memory Packing & Hardware Register Control
Master C bitfields for memory-constrained embedded systems: learn bit packing syntax, struct alignment, volatile registers, and portability gotchas.
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The Best Embedded Linux Distributions for IoT Devices in 2024
As the Internet of Things (IoT) continues to grow, choosing the right operating system for your IoT … Read more
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Understanding the Architecture of Embedded Linux Systems
Embedded Linux systems play a crucial role in a wide array of applications, from consumer electronics to … Read more
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DTS (Device Tree) File Syntax
A Device Tree Source (DTS) file is used in the context of the Linux kernel to describe … Read more
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How Android System Properties Work Across Partitions
Android system properties are a system-wide string key/value mechanism, but they are not an unrestricted global preferences store. Reads use shared property areas; writes are validated by init’s property service and SELinux policy. Modern cross-partition contracts should use generated typed Sysprop APIs.
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Raspberry Pi Serial Console with a USB-TTL Cable
A serial console lets you watch boot messages and log in when networking or video is unavailable. The connection is simple only after voltage, crossed TX/RX wiring, model differences, and console configuration are correct.
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Inspecting Linux Network Interfaces, MACs, and IP Addresses in Go
Learn how to enumerate network interfaces, inspect MAC addresses, extract IPv4/IPv6 CIDR subnets, and check interface status flags using Go.
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Resolve: Media Player Stops / Hangs the Ubuntu Linux while Video Playing
Fix media player video playback freezes on Ubuntu Linux: configure VA-API / NVDEC hardware acceleration, switch Xorg vs Wayland, and update Mesa.
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Convert AVI to MP4 with HandBrake on Ubuntu
A practical Ubuntu workflow for turning AVI and other supported sources into broadly compatible MP4 video. Use HandBrake’s official Flatpak, choose a preset intentionally, protect the source, and verify video, audio, subtitles, and playback.
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Hear Your Microphone Through Speakers on Linux
Create a temporary audio loopback from a named microphone source to a named speaker or headphone sink using pactl. Start at a conservative volume and latency, save the returned module ID, unload that module to stop monitoring, and control acoustic feedback before turning anything up.