delay.c

来自「nordic semiconductor」· C语言 代码 · 共 36 行

/*= delay.c =====================================================================
 *
 * Written by  Greg Hunter, University of Technology, Sydney, 2007 for sdcc compiler
 * See delay.h for details
 *
 *==============================================================================
*/

#include "regs24e1.h"
#include "delay.h"

//********************************************************
// Delay100us
//  delay by multiples of 100us up to 255 times
// Usage:
//  Delay100us(n);
// Where n, an unsigned char, is delay time
//********************************************************
void Delay100us(volatile unsigned char n)
{
  unsigned char i;
  while(n--)
    for (i=0;i<129;i++) ;
}

//********************************************************
// Delay5us
//  delay by 5us
//********************************************************
void Delay5us(void)
{
  unsigned char i;
  for (i=0;i<7;i++) ;
}