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Instructions Write a program to capture a key press from the keyboard. Only accept letters upper and lower case and numbers; allow user to retry indefinitely. Change the state of the built-in LED depending on the following. ● Any upper-case letter should turn on the LED. Any lower-case letter should turn off the LED • Any number will cause the LED to flash that number of times at 2Hz. Entering the number 4 should flash the LED on/off 4 times over 2 seconds. • Any other character should be rejected and cause no change in the LED. You must use a single IF-ELSE statement to sort the incoming key press. Recall the use of else if to create addi- tional conditions in the IF-ELSE statement. Your code to flash the LED should occur in a function; this will require the key press to be passed to the function. The program should always return to asking for a number after setting the LEDs as required. The program will not terminate and will present instructions for the user.

Instructions Write a program to capture a key press from the keyboard. Only accept letters upper and lower case and numbers; allow user to retry indefinitely. Change the state of the built-in LED depending on the following. ● Any upper-case letter should turn on the LED. Any lower-case letter should turn off the LED • Any number will cause the LED to flash that number of times at 2Hz. Entering the number 4 should flash the LED on/off 4 times over 2 seconds. • Any other character should be rejected and cause no change in the LED. You must use a single IF-ELSE statement to sort the incoming key press. Recall the use of else if to create addi- tional conditions in the IF-ELSE statement. Your code to flash the LED should occur in a function; this will require the key press to be passed to the function. The program should always return to asking for a number after setting the LEDs as required. The program will not terminate and will present instructions for the user.

Database System Concepts
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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Using geany, write a simplified C program:

Instructions Write a program to capture a key press from the keyboard. Only accept letters upper and lower case and numbers; allow user to retry indefinitely. Change the state of the built-in LED depending on the following. • Any upper-case letter should turn on the LED. • Any lower-case letter should turn off the LED Any number will cause the LED to flash that number of times at 2Hz. Entering the number 4 should flash the LED on/off 4 times over 2 seconds. • Any other character should be rejected and cause no change in the LED. You must use a single IF-ELSE statement to sort the incoming key press. Recall the use of else if to create addi- tional conditions in the IF-ELSE statement. Your code to flash the LED should occur in a function; this will require the key press to be passed to the function. The program should always return to asking for a number after setting the LEDs as required. The program will not terminate and will present instructions for the user.
Transcribed Image Text:Instructions Write a program to capture a key press from the keyboard. Only accept letters upper and lower case and numbers; allow user to retry indefinitely. Change the state of the built-in LED depending on the following. • Any upper-case letter should turn on the LED. • Any lower-case letter should turn off the LED Any number will cause the LED to flash that number of times at 2Hz. Entering the number 4 should flash the LED on/off 4 times over 2 seconds. • Any other character should be rejected and cause no change in the LED. You must use a single IF-ELSE statement to sort the incoming key press. Recall the use of else if to create addi- tional conditions in the IF-ELSE statement. Your code to flash the LED should occur in a function; this will require the key press to be passed to the function. The program should always return to asking for a number after setting the LEDs as required. The program will not terminate and will present instructions for the user.
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