2010.11.20（基本定时器实验）

//------------------------------------------------------------
//基本定时器控制LED亮灭
//------------------------------------------------------------
#include "msp430x44x.h"

void main( void )
{
  // Stop watchdog timer to prevent time out reset
  WDTCTL = WDTPW + WDTHOLD;
  IE2|=BTIE;
  BTCTL =~BTHOLD ;

//BTCTL |= ~BTHOLD;错误
  FLL_CTL0 |= XCAP14PF;
   //BTIFG |= 0;   //标志位？
  
  P5SEL |= ~BIT1;
  P5DIR |= BIT1;
 // P5OUT = 0x02;
  _EINT();
  for(;;)
  {
    _BIS_SR(LPM3_bits);
    _NOP();
  }
}

#pragma vector=BASICTIMER_VECTOR
__interrupt void TB_LED(void)
{
  P5OUT ^= 0x02;
}