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[求助] 代码求助

求MSP430生成SPWM波代码,那位朋友有的话希望共享一下,十分感谢
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【答案】应助回帖

★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
xiegangmai: 金币+2, 谢谢应助 2012-11-07 20:27:04
清风~: 金币+5, ★★★很有帮助, 十分感谢 2012-11-07 20:56:42
#include
#include  "msp430x26x.h"
#define uint unsigned int
#define pi 3.1415926
void TBINIT();
uint mark[45];
uint mark2[45];
uint k=0,j=0;
void main( void )
{  
  WDTCTL = WDTPW + WDTHOLD;    //关狗
  
BCSCTL1 |= 0X08;
  DCOCTL  |= 0X40;  
  uint i=0;
  BCSCTL1&=~XT2OFF;
  do
   {IFG1&=~OFIFG;
     for(i=0;i<0xff;i--);
   }
  while((IFG1&OFIFG)!=0);
   BCSCTL2 |=SELM_0+SELS+DIVS_0;
  P5SEL|=BIT4;
  P5DIR|=BIT4;
  P4SEL|=BIT1+BIT0+BIT2;
  P4DIR|=BIT1+BIT0+BIT2;
   _EINT();
  TBINIT();

uint t0=0;

for(i=0;i<45;i++)
   {t0=i*2;
   mark=1778-889*(1+0.8*sin(pi/45*t0));
   mark2=mark-8;
   }
TBCCTL0|=CCIE;
LPM0;
}

void TBINIT()
{TBCTL|=TBSSEL_2+TBCLR;

  TBCTL|=MC_3;
   TBCCR0=1778;
TBCCTL1=OUTMOD_2;
TBCCTL2=OUTMOD_6;

}
#pragma vector=TIMERB0_VECTOR
__interrupt void Time_B(void)
{
TBCCR1=mark[j];
TBCCR2=mark2[j];
j+=1;
if(j==45)
j=0;
}
2楼2012-11-07 17:33:51
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