Embedded Prep

Tag: embedded linux drivers

  • Complete Linux Block Device Driver Project: Kernel Driver + Userspace Access Program

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    Raj Kumar
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    Complete Linux Block Device Driver Project tutorial covering kernel module development and userspace access program. Learn how to build, register, and test a block device driver in Linux with step-by-step code examples, real-world concepts, and performance insights for beginners and advanced developers. This is a complete, working project. By the end of this guide you…

  • Linux Character Driver from Scratch (Beginner to Pro)

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    Raj Kumar
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    Learn how to build a Linux Character Driver from scratch with this beginner-friendly guide. Step-by-step tutorial covering kernel modules, file operations, device files, and real-world driver examples. If you’ve ever wanted to understand how Linux actually talks to hardware, learning a Linux Character Driver is one of the best places to start. This guide is…

  • Platform Devices and Drivers on Linux

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    Raj Kumar
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    Learn Platform Devices and Drivers in Linux from scratch with clear explanations, device tree examples, driver code, testing steps, and real-world insights. If you are getting into Linux device drivers, especially embedded Linux, you will keep hearing one phrase again and again: Platform Devices and Drivers. At first, it sounds complicated. Platform bus, platform_device, platform_driver,…

  • Master Drivers in Linux | Ultimate Guide to I2C, SPI, and GPIO (2026)

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    Raj Kumar
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    Learn Drivers in Linux with a beginner-friendly guide covering device driver types, kernel interaction, hardware access, and real-world examples. If you’ve ever wondered how Linux communicates with the hardware inside your computer or embedded system, the answer lies in drivers in Linux. Drivers are the bridge between the operating system and the hardware, allowing your…

  • Master Char Driver Model in Linux (2026): Architecture, Flow & Real Examples

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    Raj Kumar
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    Learn the Char Driver Model in Linux with a clear, beginner-friendly explanation. Understand structure, flow, key APIs, and real interview-focused concepts step by step. The Char Driver Model is one of the most important building blocks in Linux device driver development. It defines how hardware devices that transfer data as a stream of bytes are…

  • Master Linux Driver Architecture (2026)

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    Raj Kumar
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    Linux Driver Architecture explained in a simple, beginner-friendly way. Learn how device drivers work in Linux, understand the Linux driver model, types of Linux drivers, and real-world driver stacks with clear examples. If you have ever wondered how Linux talks to hardware, this article is for you. Not in a dry textbook way. Not in…