Code

/*
 * BasicIO1.c
 *
 * Created: 9/11/2016 11:54:18 AM
 * Author : Alin
 */



 #define F_CPU 16000000UL

 #include <stdio.h>
 #include <avr/io.h>
 #include <util/delay.h>
 #include "usart.h"

 int main(void) {

	 uart_init(); // open the communication to the microcontroller
	 io_redirect(); // redirect input and output to the uart

	 int input = 0;
	 int max = -INFINITY;
	 int min = INFINITY;

	 while(1) {

		 printf("Input Temperature\n");
		 scanf("%d", &input);
		 if (input > max)
		 max = input;
		 if (input < min)
		 min = input;
		 printf ("Max = %d", max);
		 printf("	Min = %d", min);
		 printf("	Current = %d\n", input);
		 printf("\n");
	 }

	 return 0;
 }