Embedded System & Real Time Programming - Dec 2013

Electronics Engineering (Semester 8)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1 (a) Differentiate between RISC and CISC processors. (5 marks) 1 (a) Differentiate between RISC and CISC processors.(5 marks) 1 (b) Draw and Explain CAN bus frame format.(5 marks) 1 (b) Draw and Explain CAN bus frame format.(5 marks) 1 (c) Explain status register of MSP430.(5 marks) 1 (c) Explain status register of MSP430.(5 marks) 1 (d) Differentiate between procedure and object oriented language.(5 marks) 1 (d) Differentiate between procedure and object oriented language.(5 marks) 2 (a) Explain operating modes of ARM 7 and also explain registers available in each mode.(10 marks) 2 (a) Explain operating modes of ARM 7 and also explain registers available in each mode.(10 marks) 2 (b) Explain clock circuit and registers used to control function of clock module of MSP 430.(10 marks) 2 (b) Explain clock circuit and registers used to control function of clock module of MSP 430.(10 marks) 3 (a) Compare and explain ARM7 with ARM7TDMI.(10 marks) 3 (a) Compare and explain ARM7 with ARM7TDMI.(10 marks) 3 (b) Describe with suitable diagrams SPI interface.(5 marks) 3 (b) Describe with suitable diagrams SPI interface.(5 marks) 3 (c) Explain interrupt latency with example and what are the factors responsible for interrupt latency?(5 marks) 3 (c) Explain interrupt latency with example and what are the factors responsible for interrupt latency?(5 marks) 4 (a) Explain various techniques used for interprocess communication in an Embedded system.(10 marks) 4 (a) Explain various techniques used for interprocess communication in an Embedded system.(10 marks) 4 (b) Explain data structure queue, circular queue, link list and array w.r.t. embedded C programming.(10 marks) 4 (b) Explain data structure queue, circular queue, link list and array w.r.t. embedded C programming.(10 marks) 5 (a) What is bounded and unbounded priority inversion? Also explain how it is solved using priority inheritance and priority ceiling.(10 marks) 5 (a) What is bounded and unbounded priority inversion? Also explain how it is solved using priority inheritance and priority ceiling.(10 marks) 5 (b) Explain the different pre-emptive scheduling policies with suitable examples.(10 marks) 5 (b) Explain the different pre-emptive scheduling policies with suitable examples.(10 marks) 6 (a) For an embedded system, prepaid electricity meter, whose units (readings) are downloaded wirelessly. Also a parallel LCD of a meter is installed in the house. Discuss the necessary hardware required with justification. Support your answer with suitable block diagram of the embedded electricity meter. (12 marks) 6 (a) For an embedded system, prepaid electricity meter, whose units (readings) are downloaded wirelessly. Also a parallel LCD of a meter is installed in the house. Discuss the necessary hardware required with justification. Support your answer with suitable block diagram of the embedded electricity meter.(12 marks) 6 (b) Design an automatic tea and coffee vending machine based on FSM model for the following requirement. The tea/coffee vending is initiated by user inserting a 5 rupee coin. After inserting the coin the user can either select coffee or tea or press cancel to cancel the order and take back the coin.(8 marks) 6 (b) Design an automatic tea and coffee vending machine based on FSM model for the following requirement. The tea/coffee vending is initiated by user inserting a 5 rupee coin. After inserting the coin the user can either select coffee or tea or press cancel to cancel the order and take back the coin.(8 marks)

Write short notes on:-

7 (a) Explain spiral model used in EDLC.(7 marks)

Write short notes on:-

7 (a) Explain spiral model used in EDLC.(7 marks) 7 (b) What is H/W and S/W co-design?(7 marks) 7 (b) What is H/W and S/W co-design?(7 marks) 7 (c) Black box and White box testing.(7 marks) 7 (c) Black box and White box testing.(7 marks)