///////////////////////////////
//
// prog_practice_4 project
//
//  9/15/22
//
// functions example for class
//
//////////////////////////////
#include "mbed.h"
#include <stdio.h>

// function prototypes
void my_splash(void);
int get_cnt(void);
int calc_sum(int count);
void print_results(int count_val, int sum_val);

int main(void){
    setbuf(stdout, NULL);

    int cnt;
    int sum;

    // splash
    my_splash();

    // get count value
    cnt = get_cnt();

    // calculate sum up to cnt
    sum = calc_sum(cnt);

    // print results
    print_results(cnt, sum);

    return 0;
}// end main

void my_splash(void){
    // function to print splash
    printf("\n\nWelcome to w2_c3 function program\n\n");

    return;
}// end my_splash

int get_cnt(void){
    // ask user for count value and return it
    int val;

    printf("please enter a value to count to: ");
    scanf("%i", &val);

    return val;
}// end get_cnt

int calc_sum(int count){
    // sum numbers up to count
    int i;
    int total;
    total = 0;

    for(i = 0; i <= count; i++){
        total = total + i;
    }

    return total;
}// end calc_sum

void print_results(int count_val, int sum_val){
    // print count and sum
    printf(" YOUR RESULTS \n");
    printf("The sum of 0 to %i = %i\n", count_val, sum_val);

    return;
}// end print_results