A program will be written in assembly language for a fan. The desired features of the fan are as follows: • The fan should be able to turn on and off at any time according to the information coming from the serial port. For example; When the 'A' character is received, the fan can be turned on and when 'K' is received, it can be turned off. The fan should be set to default values when a shutdown request is made. (Note: Use interrupt for serial port.) When the fan operates, the fan should rotate at a default speced, and the speed of the fan should be adjusted with a button that can change the speed in 3 stages (For example: Ist stage can be adjusted at 30% speed, 2nd stage at 60% speed, and 3rd stage at 90% speed.) • Timer setting is also provided by a button and each press of the button must start the countdown timer in 30 minute increments and the fan must be turned off when the timer resets. (It can be set to a maximum of 120 minutes and if the button is pressed again while the time-set is at 120 minutes, the timer should be cancelled.)

A program will be written in assembly language for a fan. The desired features of the fan are as follows: • The fan should be able to turn on and off at any time according to the information coming from the serial port. For example; When the 'A' character is received, the fan can be turned on and when 'K' is received, it can be turned off. The fan should be set to default values when a shutdown request is made. (Note: Use interrupt for serial port.) When the fan operates, the fan should rotate at a default speced, and the speed of the fan should be adjusted with a button that can change the speed in 3 stages (For example: Ist stage can be adjusted at 30% speed, 2nd stage at 60% speed, and 3rd stage at 90% speed.) • Timer setting is also provided by a button and each press of the button must start the countdown timer in 30 minute increments and the fan must be turned off when the timer resets. (It can be set to a maximum of 120 minutes and if the button is pressed again while the time-set is at 120 minutes, the timer should be cancelled.)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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