CS 404 PRINCIPLES &
APPLICATIONS OF EMBEDDED SYSTEMS
STUDENT MANUAL-OSMANIA
UNIVERSITY
UNIT –1
Syllabus
Embedded Computing:
Introduction, Complex Systems and Microprocessor; Embedded
System Design Process,
Formalisms for System Design, Design Examples. Instruction Set: Preliminaries,
ARM Processor
Part-A(University
Questions)
1 What is embedded system ?What are the
various applications of ES?
2 What are the characteristics and
challenges of embedded applications?
3 What is the purpose and format of CPSR,
SPSR in ARM Processor
List
the flags of ARM Processor
4 Write a assembly code segment for ARM
Processor to find X=(a+b)-c
5 Compare and contrast top-down and bottom-up
design
6 Difference between Von Neuman and Harvard
Architecture
7 Compare and contrast RISC and CISC
8 Write the stages in ARM 7 Pipeline.
9Distinguish between Microprocessors and
Microcontrollers
10 Write the characteristics of Instruction
set.
11.What is Trap and common use of Trap.
12.What is Supervisor mode
13.What is Branch Penality
14.Write any three differences between
embedded system and a personal computer.
15.What is a Load Store Architecture .why
ARM processor follows this architecture.
Part-B(University
Questions)
1 Explain the process of Embedded system
design, with suitable example
2 What are the different data operations
and flow control operations of ARM Processor
3 Explain the design process of Elevator
controller
4 What are the characteristics of embedded
system applications? Explain
5 Explain the details for requirements and
specifications of model train controller
6 Explain Top-down and bottom up approach
of an embedded system design process with example
Unit 2
Syllabus
CPU's:Programming Input
and output.Supervisor mode, exceptions, traps,Co-processors, Memory system
Mechanisms, CPU Performance, CPU Power Consumption Computing Platforms:Basic
Computing Platforms,the CPU bus,memory device and system,consumer electronics architecture,platform
level performance analysis ,design example.
Text Book: Computers as Components Principles of Embedded
Computing System Design-Wayne Wolf
Part-A(University
Questions)
1 Define Busy wait-I/O with suitable
programming
2 What are the different categories of
programming Input and Output
3 Why do most computers use memory mapped
I/O
4 Define pipeline stalls how it affect the
CPU Performance
5 define Branch Penalty in ARM Processor
6 What is Super scalar Execution
7 What is instruction level parallelism
8 Name three mechanism by which a CMOS
microprocessor consumes power.
9 Write the steps in four cycle Hand shake
protocol used for Bus Organization
10 Define Co-processor, Unified Cache
Memory and its uses
11 Write the Hardware architecture of a
typical computing platform
12.Write the differences between maskable
and non maskable interrupt.Give example for each
Part-B(University
Questions)
1 Write a note on interrupts in ARM and how
ARM processor handles it
2 Write shot notes on
1.
Supervisor mode
2.
Exceptions
3.
Traps
4.
Co-processors
3 Explain cache mechanism and different
types of Cache Misses and cache memory organization
4 Explain Memory Management Units and
various address translation Mechanisms
5 Explain the three parameters influence
CPU Performance or processor performance
6 What is DMA how can the concurrency
achieved during DMA
7 Explain Memory organization in ARM and
SHARC Processor
8 Write short notes on Multiple Interrupts
9 Explain the advantages of interrupts
driven I/O over busy wait I/O with suitable I/O program
10.Explain an I/O interface for copying the
characters from input to output with interrupts and buffers
Unit 3
Syllabus
Introduction to
Real-Time Operating Systems:Tasks and Task States, Tasks and Data, Semaphores,
Shared Data, Message Queues, Mailboxes and Pipes, Timer Functions, Events,
Memory Management, InterruptRoutines in an RTOS Environment.
Basic Design Using a
Real-Time Operating System: Principles, Semaphores and
Queues, Hard Real-Time
Scheduling Considerations, Saving Memory and Power, An
example RTOS like
UC-OS(Open Source).
Text Book:
An
Embedded Software Primer, David E.Simor,Pearson Education Chapter:6,7,8
Part-A(University
Questions)
1 Difference between RTOS and normal OS
2 What is the Gray area of re-entrant? Give
suitable example?
3 What is a)Priority inversion write the
uses of it
b)Deadly embrace
c)Priority inheritance
4 Why pipes are called byte oriented task
communication? Give one example
5 List the difference between the
a)
task scheduler and dispatcher
b)
task scheduling and Resource
Monitoring
6.What are the different types of
semaphores
Part-B(University
Questions)
1 Consider task A and B is an interrupt
sequence routine (ISR) sharing the variable X, Explain the problems related to
sharing the data and its solution?
2 Explain about the rules to be followed by
Interrupt routines in an RTOS environment?
3 Explain various methods used for inter
task communication
4 Write parameters of CPU usage metric?
Write the relation between them and impact of each?
5 Explain RTOS design principles
6 What are the problems arising due to
shared data and how can a semaphore be used to solve this problem explain with
a program.
7 What is ISR .explain various rules of ISR
with example.? (Or) Explain about the rules to be followed by Interrupt
routines in an RTOS Enviorment
8 explain various real-time scheduling
considerations for saving memory with example
9.explain the advantages and disadvantages
of having more number of task in the system.
Unit 4
Syllabus
Multirate
systems:priority based scheduling,evaluvating operating system performance
Network and
multiprocessor:Network and multiprocessor categories,Distributed embedded
processors,MPSoCs and shared memory multiprocessors,Design example.
Text Book: Computers as Components Principles of Embedded
Computing System Design-Wayne Wolf
Part-A(University
Questions)
1 what is SOC, MPSOCS? Give examples
2 Draw a bus with DMA controller and explain
briefly?
3 List the difference between task
scheduler and dispatcher
4 define Multi-rate embedded computing
system? Give example?
5 Difference between shared memory and
message passing multiprocessor architectures?
6 What are the advantages of rate monotonic
scheduling?
7 Explain the process of BUS read write by
DMA with timing diagram
8 Write uses of grid based distributed
embedded system
9 Write the parameters of CPU metric
techniques write the relation between them and impact of each
10. Explain the Bus Bridge operation with a
UML State diagram
11.what are the merits and demerits of
multiprocessor systems
Part-B(University
Questions)
1 Write short notes on I2C Bus
protocol
2 What is the specification of CAN Bus?
Explain this protocol in detail?
3 write short notes on hard real time
scheduling with an example?
4 Explain the following scheduling
algorithms with example
a) priority based task scheduling
b) EDF scheduling
c)RMS scheduling
c)EDF Vs RMS
5 explain the architecture of shared memory
multiprocessor with example
6What hardware and software factor might be
considered when choosing a computing platform
7 Explain the process of scheduling and
allocation of on a distributed embedded system with examples
8.Explain about distributed embedded system.
And its advantages
9.Explain the use of data structures
,queue, stack and tree in embedded systems
Unit 5
Syllabus
Embedded Software
Development Tools:Host and Target machines, Linker/Locators for Embedded
Software, Getting Embedded. Software into the Target System,Debugging
Techniques: Testing on Host Machine, Using Laboratory Tools, An Example System
Text
Book: An Embedded Software Primer, David E.Simor,Pearson
Education Chapter:9,10
Part-A(University
Questions)
1 Define a)cross-compiler, give one by
listing its uses
b)cross-assembler
c)assert macro
2 What is locator map? What are the uses of
it?
3 List basic techniques for testing and
debugging of embedded software
4.What is meant by scaffold code, write its
advantages
5.What is the difference between native
linker and locator
6.Write the goals of a typical embedded
software testing process on the host system
Part-B(University
Questions)
1 Explain Debugging techniques?
2 What are the goals of testing process? Explain
test system process?
3 Explain about instruction set simulator?
Which is the software that runs on host?
4 Explain about logic analyser?
5 Explain various ways of getting embedded
software in to target system? With examples and suggest the best method for
this
6 Explain the tool chain of embedded
software system development.
