interrput.c

DDS产生程序

#define __INTERRPUT_C__
#include "DF1404.h"

#pragma vector = INT2_vect
__interrupt void EnCoderISR(void)
{
      if (GetEC())
      {
           RountData = 0x0f;
      }
      else
      {
           RountData = 0x00;
      }
      Delay_nus(10);
      if (GetEC())
      {
            if (RountData == 0xf0)
            {
                 RountData = ANTICLOCKWISE;
            }
      }
      else
      {
            if (RountData == 0x00)
            {
                 RountData = CLOCKWISE;
            }
      }
}