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Section outline

    • Embedded System Components and Boot Process
    • BeagleBone Black Board Boot Stages
    • Buildroot Configuration and Image Building
    • Hands-on: Setting up the board and building rootfs, kernel, and U-Boot with Buildroot.
    • Bootloader Basics (U-Boot) and Custom Commands
    • Linux Kernel Components and Build Process
    • Configuring Kernel Parameters
    • Hands-on: Adding a custom command in U-Boot, compiling a ramdisk image, and booting a custom kernel.
    • Character Driver Basics
    • Major and Minor Numbers
    • Device Tree Integration (DTB)
    • Platform Drivers and Dynamic Device File Creation
    • Hands-on: Writing a character driver, implementing IOCTL, and integrating a platform driver with Device Tree.
    • Synchronization Mechanisms: Mutex, Semaphore, Spinlocks
    • Interrupt Handling: SoftIRQ, Tasklets, Work Queues
    • Threaded IRQ Handling and GPIO Drivers
    • Hands-on: Writing drivers using Spinlocks, Mutexes, and Semaphores.
    • Linux DMA Engine API and Types of DMA Transfers
    • Steps for Configuring DMA Transfers
    • Kernel Debugging Techniques: Debugfs, KGDB, Oops Analysis
    • Hands-on: Enhance a UART driver using DMA, use DebugFS for monitoring, and optimize boot time.