//******************************************************************************
//	Lab4_ArrayFill.c
//
//	Description; Initialize and fill a 16 element array
//
//	Assembly version by:
//	D. Phillips, 365_20053; RIT ; 25Mar06 ; Built with CCE for MSP430 V.1.00
//	Updated for CCS v4 by Dorin Patru 03/20/11
//
//	C version by: Dorin Patru for the EE365 MSP430 Kit - March 2011
//	C version updated by: Dorin Patru for the LaunchPad Kit - September 2013
//******************************************************************************

#include "msp430g2553.h"

int main(void)
{
  WDTCTL = WDTPW + WDTHOLD;		// Stop watchdog timer
//------------------------------------------------------------------------------
//char type is one byte; int type is two bytes; volatile to prevent optimization
//------------------------------------------------------------------------------

    volatile unsigned int i=0, j=0, sum=0;	// sum is the sum of the indices
    volatile unsigned int ArrayFill [4][4];

//------------------------------------------------------------------------------
//	Initialize ArrayFill to 0xff
//------------------------------------------------------------------------------
    {
	for (i=0; i<=3; i++)
		for (j=0; j<=3; j++)
			ArrayFill[i][j] = 0xff;
    }
//------------------------------------------------------------------------------
//	Fill ArrayFill with the indices values and calculate the sum of the indices
//------------------------------------------------------------------------------
    {
	for (i=0; i<=3; i++)
		{
		for (j=0; j<=3; j++)
			{
			ArrayFill[i][j] = (4 * i) + j ;
			sum = sum + ((4 * i) + j) ;
			}
		}
	}
sum = sum;
}