Write a C program that performs a loop over and over to turn the LED on iff (if and only if) the engine is running (RPM >= 1000), and the seatbelt is not fastened. In all other cases, the LED should be off. Do not modify unrelated bits of ports.

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
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Please give me correct solution.
You are asked to develop a software
module to control the seatbelt warning
lamp as part of a car dashboard. For the
part of the system that you are responsible
for, the following inputs and outputs are
relevant: Ports PB5...PB2 are connected
to a RPM sensor that reports the current
engine speed as a scaled (in
units/increments of 500 RPM) unsigned 4-
bit integer value, i.e. if the sensor reports a
value of 2 on PB5...PB2, the engine speed
is 1000 RPM. ● Port PBO is connected to
the seatbelt switch that indicates whether
the seatbelt is fastened. ● Port PB7 is
connected to the safety warning indicator
LED. Your subsystem is supposed to turn on
the LED if the engine is running (RPM >=
1000) and the seatbelt is not fastened.
Write a C program that performs a loop
over and over to turn the LED on iff (if and
only if) the engine is running (RPM >=
1000), and the seatbelt is not fastened. In
all other cases, the LED should be off. Do
not modify unrelated bits of ports.
Transcribed Image Text:You are asked to develop a software module to control the seatbelt warning lamp as part of a car dashboard. For the part of the system that you are responsible for, the following inputs and outputs are relevant: Ports PB5...PB2 are connected to a RPM sensor that reports the current engine speed as a scaled (in units/increments of 500 RPM) unsigned 4- bit integer value, i.e. if the sensor reports a value of 2 on PB5...PB2, the engine speed is 1000 RPM. ● Port PBO is connected to the seatbelt switch that indicates whether the seatbelt is fastened. ● Port PB7 is connected to the safety warning indicator LED. Your subsystem is supposed to turn on the LED if the engine is running (RPM >= 1000) and the seatbelt is not fastened. Write a C program that performs a loop over and over to turn the LED on iff (if and only if) the engine is running (RPM >= 1000), and the seatbelt is not fastened. In all other cases, the LED should be off. Do not modify unrelated bits of ports.
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