MSP430F5529 LunchPad(1)

#include <msp430.h>				


void main(void)
{
	WDTCTL = WDTPW | WDTHOLD;		// stop watchdog timer
	P1DIR |= 0x01;					// configure P1.0 as output
	P4DIR |= 0x80;                  // configure P4.7 as output

	P2DIR &= ~(0x01 << 1);
	P2OUT = 0x02;
	P2REN |= 0x01 << 1;

	while(1)
	{
	    if(P2IN & 0x02)             // P2.1
	    {
	        P1OUT &= 0xFE;			// P1.0
	        P4OUT |= 0x80;          // P4.7
	    }
	    else
	    {
	        P1OUT |= 0x01;          //
	        P4OUT &= 0x7F;          //
	    }
	}
}