delay.h~

CH372下位机

/*#ifndef __delay_H__
#define __delay_H__
#include <intrinsics.h>
#define CPU_F 7372800 
extern void delay_ms(unsigned int mmss);
extern void delay_us(unsigned int uuss);
void delay_ms(unsigned int mmss)
{
  while(mmss>0)
  {
    __delay_cycles((unsigned long)CPU_F/1000);
    mmss--;
  }
}
void delay_us(unsigned int uuss)
{
  while(uuss>0)
  {
    __delay_cycles((unsigned long)CPU_F);
    uuss--;
  }
}
#endif*/ 

/***************************************************************************
延时 M32 7.3728M 粗略计算
*/
void Delay1us(int y)
{
	
}

void Delay100us(int x)
{
	int i;          //4clock                   
	for(i=147;x!=0;x--) 
	while(--i);      //5 * i clock
}
void Delay1ms(unsigned int n)
{        
	for (;n!=0;n--)
	{
		Delay100us(10);
 	}
}

/***************************************************************************/