Preprocessor Commands

Interrupt Service Routines
Tasks 1....N

Kernel and Scheduler

Standard Library
Functions Including
Network Protocol
Functions for
Sending Stack and
Receiving Stack

Application Software - Different Program Layers

Program various layers
[| processor commands,

ட muin function,

| task functions and

[1 library functions,
interrupt service routines

and kernel (scheduler), Compiler

Generates an object file. Using linker and locator, the 51 e for ROM image is created
for

the targeted hardware. C++ and Java are other languages used for software coding
3. a) Hardware Design Process in Embedded System
_ JAbstraction

Each problem component first abstracted. For example, Robotic system problem abstraction
can be in terms of control of arms and motors.
OOHardware and Software architecture

Each architectural layer be well understood before a design
(Extra functional properties

Extra functionalities required in the system being developed be well understood from the

design.
OOSystem Related Family designs