misc.c

mcu for gm5621带遥控,键盘输入的单片机代码.供学习参考使用.谢谢.

#include <intrins.h>
//#include "types.h"
#include "board.h"




#define DelayPeriod	((WORD)CPU_CLOCK_MHZ*78/12)		//when use W78E516,maybe debug 


void Delay4us(void)
{
#if CPU_CLOCK_MHZ>=20
  _nop_();
  _nop_();
  _nop_();
  _nop_();
  _nop_();
  _nop_();
#endif
}

void ForceDelay1ms(WORD msNums)
{ WORD t;
  if (msNums>0)
    { while (msNums--)
        { t=DelayPeriod;
          while (t--);
        }
    }
}