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#include<msp430g2553.h>
#define delay_us(x) __delay_cycles((long)(CPU_F*(double)x/1000000.0))
char sintable[10]={100,78,70,78,100,
126,148,156,148,126};
char y=0;
unsigned int i;
char flag=0;
void main()
{
  WDTCTL=WDTPW+WDTHOLD;
  BCSCTL1=CALBC1_16MHZ;
  DCOCTL=CALDCO_16MHZ;
  P1IE|=BIT4;        //P1.4触发  
  P1IES&=~0x10;     //上升沿触发
  P1IFG&=~0x10;
  P1DIR=0x04;   // P1.2输出  
  P1SEL=0x04;
  P1OUT=0;     //先输出低
  //ta1 congigure
  //ta0configure
  TACTL=TASSEL1+TACLR;
  CCR0=157;
  CCR1=sintable[y];
  CCTL1=OUTMOD_3;      //CCTL1|=CCIE;
  CCTL0=CCIE;
  TACTL|=MC_1;
  _EINT();
  while(1)
  {
    if(flag==1)
    {
      flag=0;
      TACTL|=MC_1;
    }
  }
}
#pragma vector=TIMER0_A0_VECTOR
__interrupt void Timer_A1(void)
{
   y=y+1;
   if(y<10)
   {
    CCR1=sintable[y];
   }
   else
   {
     y=0;
     CCR1=sintable[y];
   }
}
#pragma vector=PORT1_VECTOR
__interrupt void PORT1(void)
{
  y=3;
  //for(i=100;i>0;i--);
  CCR1=sintable[y];
  P1IFG&=~0x10;
}