/*------------------------------------------------------------------------------
 * File:        problem2.c
 * Function:    Change lowercase letters to uppercase letters
 * Description: This C program changes the message “Welcome to CPE 325 in Fall 2021!” to
 *              "WELCOME TO CPE 325 IN FALL 2021!"
 * Input:       None
 * Output:      "WELCOME TO CPE 325 IN FALL 2021!"
 * Author(s):   Noah Woodlee
 * Lab Section: 09
 * Date:        Aug 20, 2021
 *----------------------------------------------------------------------------*/
#include <msp430.h>
#include <stdio.h>
#include <ctype.h>



int main(){
    int i;
    char msg[] ="Welcome to CPE 325 in Fall 2021!";
    size_t size = sizeof(msg)/sizeof(msg[0]); // size of msg[]
    for (i=0; i < size;i++){ // loop over the array
        char str = msg[i]; // store the character in msg[i] as a char in str
        int str_as_int=(int)str; // covert string to an integer
        // check if str is lower-case
        if (islower(str)){
            msg[i]=str_as_int-32; // if it is, subtract 32 from the character value
            }
        else msg[i]=str_as_int; //else keep the string the same
    }
    printf("%s\n",msg);  // print output
}