那位大蝦幫忙看看這程序出什麽問題了！舵機沒反應啊！

ywtao · 发表于 2011-9-30 14:16:47

#include <hidef.h>    /* common defines and macros */
#include "derivative.h"    /* derivative-specific definitions */

void PLL_init(){
  REFDV=1;                //ËøÏà»·Ê±ÖÓ=2*16*£¨SYNR+1)/(REFDV+1)=48M
  SYNR=2;                //×ÜÏßÊ±ÖÓ=48/2=24
  while(!(CRGFLG&0X08))
  CLKSEL=0x80;
}
void PWM_dj_init() {
  PWME_PWME1=0x00;
  PWMCTL_CON01=1;    //0ºÍ1¼¶Áª
  PWMPRCLK=0x33;    //¶ÔCLKA½øÐÐ8·ÖÆµ A=3M£¬¶ÔCLKB½øÐÐ8·ÖÆµ A=3M
  PWMSCLA=150;       //CLKSA=A/2/PWMSCLA=3M/2/15=10KHz
  PWMCLK_PCLK1=1;    //Ñ¡ÔñCLKSA×÷ÎªÊ±ÖÓÔ´
  PWMPOL=0xff;    //ÏÈÊä³ö¸ßµçÆ½£¬¼ÆÊýµ½DTYÊ±£¬·×ªµçÑ¹
  PWMCAE_CAE1=0;    //Ïò×ó¶ÔÆëµÄÊä³öÄ£Ê½
  PWMPER1=200;       //ÖÜÆÚÎª20ms£¬ÆµÂÊÎª50Hz
  PWMDTY1=15;    //Êä³ö¸ßµçÆ½Ê±¼äÎª1.5ms
  PWMCNT01=0;       //¼ÆÊýÆ÷ÇåÁã
  PWME_PWME1=1;
}

void main(void) {

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