/*
 * circle_msp.c
 *
 *  Created on: Dec 4, 2019
 *      Author: johnsontimoj
 */

////////////////////////////
//
// MSP Program
// Be sure to use a CCS Project
//
/////////////////////////////

///////////////////////////////
//
// This program prompts the user for
// a radius (float) and prints the
// circumference and area of the
// corresponding circle
//
// inputs: radius
// outputs: prints circumference and area
//
///////////////////////////////////

// Preprocessor Directives
#include <stdio.h>
#include "msp.h"
#define PI 3.14159

// Global Declarations

// Main
int main(void){
   //  Local variables
   float radius;
   float circumference;
   float area;

   while(1){    // infinite loop
       //   Get input for radius
       printf("Please enter a value for radius: ");
       scanf("%f", &radius);

       //   Calculate circumference and area
       circumference = 2*PI*radius;
       area = PI*radius*radius;

       // Output results
       printf("Circumference = %f\n", circumference);
       printf("Area = %f\n", area);

       // Delay for 1 sec
       // Default clock frequency for the MSP is 3MHz
       // __delay_cycles() delays for the number of clocks inside the ()
       // delay for 3,000,000 clocks -> 1 sec
       __delay_cycles(3000000);

       // Print a blank line between loops
       printf("\n");

   } // end while

   return 0;    // required return
} // end main