430控制舵机

#include<msp430x14x.h>

#define uint unsigned int 
void init_clk(void)
{
   unsigned int i;
   BCSCTL1&=~XT2OFF;
   do
   {
      IFG1&=~OFIFG;   
      for(i=0xff;i>0;i--);
   }
   while((IFG1&OFIFG));
   BCSCTL2=0X00;
   BCSCTL2=SELS+SELM_3;
}

void init_pwm(void)
{
    
    P1SEL |= BIT2 + BIT3 ;     //选择 p1.2-TA1  ,P1.3-TA2  作为PWM输出　第二功能
    P1DIR |= BIT2 + BIT3 ;
    TACCR0 = 20000;    //PWM信号频率10KHZ
    TACCTL1 = OUTMOD_7;
    TACCR1 =1000;    // 占空比１：１
    TACCTL2 = OUTMOD_7;
    TACCR2 = 1000;  
    TACTL=TASSEL_1 +MC_1+DIVS_3;                
    _BIS_SR(CPUOFF+GIE);
}