4) Write an assembly program that turns on the LED as soon as BTNO is pressed and turns it off as soon as it is released. The program must also use TIMERO timer to measure the duration of pressing the button and print this duration in milliseconds in the terminal window upon the button release. The program must be capable to measure the duration up to 100 seconds. Make sure to process GPIO and TIMERO hardware interrupts by using interrupt handlers and NVIC, so no flags polling.

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
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4)
Write an assembly program that turns on the LED as soon as BTNO is pressed and turns it off as soon
as it is released. The program must also use TIMERO timer to measure the duration of pressing the button and print
this duration in milliseconds in the terminal window upon the button release. The program must be capable to
measure the duration up to 100 seconds. Make sure to process GPIO and TIMERO hardware interrupts by using
interrupt handlers and NVIC, so no flags polling.
Transcribed Image Text:4) Write an assembly program that turns on the LED as soon as BTNO is pressed and turns it off as soon as it is released. The program must also use TIMERO timer to measure the duration of pressing the button and print this duration in milliseconds in the terminal window upon the button release. The program must be capable to measure the duration up to 100 seconds. Make sure to process GPIO and TIMERO hardware interrupts by using interrupt handlers and NVIC, so no flags polling.
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