舵机老是向一边偏，那个可以把我的程序找一下原因！！！

嵌入式系统设计 · 发表于 2012-5-11 20:11:17

我用的是12g芯片       模拟舵机
  #include <hidef.h>    /* common defines and macros */
#include "derivative.h"    /* derivative-specific definitions */
//////////////////////////////////////////////////////////////////////////////////////////////////////
void SetBusCLK_32M(void)
{ CPMUCLKS_PLLSEL =1;
CPMUSYNR= 31;
CPMUREFDIV= 0;
CPMUPOSTDIV=0x00;
CPMUCLKS_PLLSEL =0;
   _asm(nop);
   _asm(nop);
while(!CPMUFLG_LOCK);
CPMUCLKS_PLLSEL =1;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
void PWM_Init(void)
{

PWME=0X00;

PWMPRCLK =0x11;
PWMSCLA = 0x08;
PWMSCLB = 0x08;
PWMCTL_CON01= 1;
PWMCLKAB_PCLKAB1 = 0;
PWMCLK_PCLK1= 1;
PWMCAE_CAE1= 0;
PWMPOL_PPOL1 = 1;
PWMPER01= 20000;
PWMDTY01 =1500;
  PWME_PWME1=1;
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////

void main(void) {
  /* put your own code here */

SetBusCLK_32M();
   PWM_Init();


EnableInterrupts;

  for(;;) {
_FEED_COP(); /* feeds the dog */
  } /* loop forever */
  /* please make sure that you never leave main */
}