Embedded Systems — Summer 2019

Enlist the criteria for choosing CPU for any embedded application.

What is RTOS ? Describe types of RTOS with two examples.

Describe I2C and CAN bus protocol.

Describe advantage and disadvantage of serial and parallel communication protocol.

Describe Watchdog timer and RTC needed for embedded application.

Describe Wi-Fi and Zigbee protocols. Discuss the application areas for both the protocols.

Explain classification of embedded system with examples.

Describe concept of interrupt service thread.

Describe interrupt latency and deadline with example.

Describe dead-lock condition. Write pseudo code for deadlock utilizing mutex M1 and M2 shared between two processes P1 and P2.

Describe why atomic operation is needed in some of coding part of

Describe priority inversion with example. How to deal with such condition.

Describe counting and binary semaphore as a resource key.

Differentiate : Function and ISR

Describe co-operative and pre-emptive scheduling.

Why Inter Process Communication is needed in multi-process system ? Describe mailbox, lock and spin-lock methods for IPC.

What is Process Control Block? What are the fields included in PCB ?

Describe task/services to be performed by OS.

Describe memory and file management in RTOS.

Describe low power modes of MSP430.

Describe MSP430 GPIO registers associated with I/Oport.

Describe MSP430 USCI module with different registers and operation.

Describe POR, PUC and BOR for MSP430.

Describe clocking system of MSP430.

Sketch interfacing diagram to interface common anode seven-segment display with Port 1 and 8 push button switches with Port 2 with MSP430. When SW1(P2.0) pressed and it should display “1”. Write Clanguage program to display pressed switch number on seven segment display.