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The chapter covers the essential components of Linux-based embedded systems, detailing the layered architecture that includes the hardware layer, bootloader layer, kernel layer, middleware layer, and application layer. Each layer has distinct responsibilities that facilitate the overall functionality and communication within the embedded system stack, enabling efficient and real-time operations.
References
eeoe-el-2.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Hardware Layer
Definition: Physical components like processors, memory, and input/output devices necessary for the operation of embedded systems.
Term: Bootloader
Definition: A small program that initializes hardware and loads the operating system when the embedded system starts.
Term: Kernel
Definition: The core component of the operating system managing hardware resources and providing fundamental system services.
Term: Middleware
Definition: Software that provides additional services and functionality, acting as a bridge between the kernel and application layer.
Term: Application Layer
Definition: The top layer where user-specific applications run, interacting with the middleware and kernel.
Term: InterProcess Communication (IPC)
Definition: Mechanisms allowing processes to communicate and share data within the embedded system.