#include <msp430.h> 

unsigned long int new_cap = 0,Over_cap = 0;

int main(void)
{
    WDTCTL = WDTPW | WDTHOLD;	// Stop watchdog timer

    if(CALBC1_8MHZ == 0xFF ||CALDCO_8MHZ == 0xFF)
    {
    	while(1);
    }
    BCSCTL1 = CALBC1_8MHZ;
    DCOCTL = CALDCO_8MHZ;

    P1DIR &= ~BIT1;
    P1SEL |= BIT1;

    TACTL |= TASSEL_2 + MC_2 + TACLR + TAIE;

    CCTL0 = CM_1 + SCS + CAP + CCIE + CCIS_0;

    __bis_SR_register(LPM0_bits + GIE);
    __no_operation();

    return 0;
}

#pragma vector = TIMER0_A0_VECTOR
__interrupt void TIMER0_A0_ISR (void)
{
	switch(__even_in_range(TAIV,0x0E))
	{
	case TA0IV_NONE:
		break;
	case TA0IV_TACCR1:
		new_cap = TAR;
		break;
	case TA0IV_TAIFG:
		Over_cap ++;
		break;
	}
}